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    United States Freeze Dates

    The freezing temperature table which follows gives dates for the last spring and first fall freezes (0°C or lower) at each station with sufficient minimum temperature data for calculations to be performed.
    For more details click on station name. For help, select freeze dates on the help page.
    Station Name Last spring freeze First fall freeze Freeze-free Period Years
    Early Avg Median Late Early Avg Median Late Short Avg Median Long
    A S R RSCH LAB 12-Apr 20-May 16-May 21-Jun 09-Sep 26-Sep 28-Sep 14-Oct 94 133.8 132.0 185 1950-1966 8
    AGUA CANYON 27-Apr 01-Jun 01-Jun 18-Jun 08-Aug 25-Sep 30-Sep 12-Oct 86 120.7 121.5 156 1995-2015 18
    ALLENS RCH 01-May 26-May 25-May 29-Jun 25-Aug 17-Sep 18-Sep 10-Oct 76 114.3 115.0 148 1963-2001 29
    ALPINE 15-Apr 15-May 13-May 17-Jun 31-Aug 01-Oct 30-Sep 29-Oct 109 138.8 135.5 183 1900-2015 36
    ALTA 23-May 15-Jun 14-Jun 06-Jul 20-Aug 13-Sep 15-Sep 16-Oct 61 91.3 91.5 124 1905-2015 38
    ALTAMONT 04-May 01-Jun 31-May 30-Jun 17-Aug 21-Sep 20-Sep 26-Oct 57 113.0 116.0 154 1953-2015 57
    ALTON 07-May 06-Jun 06-Jun 03-Jul 23-Aug 24-Sep 25-Sep 21-Oct 64 111.5 114.0 151 1915-2015 97
    ALUNITE 02-May 31-May 31-May 28-Jun 09-Sep 29-Sep 27-Sep 26-Oct 78 121.6 123.0 160 1917-1953 33
    AMALGA 08-Jun 08-Jun 08-Jun 08-Jun 12-Sep 23-Sep 24-Sep 05-Oct 96 96.0 96.0 96 1951-1953 1
    ANETH PLT 22-Mar 25-Apr 23-Apr 16-May 16-Sep 19-Oct 18-Oct 15-Nov 139 178.5 178.0 221 1900-2008 25
    ANGLE 21-May 17-Jun 14-Jun 17-Jul 14-Aug 11-Sep 13-Sep 02-Oct 29 86.9 88.0 117 1981-2015 28
    ANNABELLA NEAR 31-Aug 31-Aug 31-Aug 31-Aug 1906-1910 0*
    ANTELOPE ISLAND 04-Apr 05-May 04-May 21-May 03-Sep 04-Oct 08-Oct 24-Oct 130 153.8 153.5 191 1953-1972 16
    ANTELOPE ISLAND NORTH 10-Oct 10-Oct 10-Oct 10-Oct 1982-1983 0*
    ANTIMONY 02-Jun 28-Jun 26-Jun 24-Jul 25-Jul 25-Aug 29-Aug 22-Sep 1 62.1 73.0 103 1901-1975 11
    AQUA CANYON - BRYCE CANYON NP. 28-Apr 01-Jun 03-Jun 18-Jun 14-Sep 29-Sep 01-Oct 12-Oct 99 121.1 120.0 155 1990-2015 19
    ARAGONITE UTAH 14-Apr 01-May 01-May 29-May 24-Sep 20-Oct 10-Oct 08-Feb 129 164.7 162.0 188 1997-2015 15
    ARCHES NP HQS 12-Mar 14-Apr 15-Apr 09-May 17-Sep 23-Oct 26-Oct 11-Nov 141 193.2 199.0 237 1980-2015 30
    ASSAY - HATCH 10SW 18-May 05-Jun 05-Jun 26-Jun 02-Sep 27-Sep 29-Sep 23-Oct 78 114.7 115.0 145 1983-2015 27
    BADGER SPRING - IVINS 14W UTAH 12-Jan 12-Mar 17-Mar 22-Apr 28-Oct 22-Nov 23-Nov 21-Dec 207 256.4 251.0 319 1991-2015 21
    BALKNAP RANGER STATION 16-Jul 16-Jul 16-Jul 16-Jul 18-Aug 18-Aug 18-Aug 18-Aug 33 33.0 33.0 33 1914-1916 1
    BAUER 16-Apr 12-May 12-May 09-Jun 09-Sep 22-Sep 23-Sep 07-Oct 111 135.6 140.0 155 1941-1959 11
    BEAR LAKE SP 09-May 31-May 01-Jun 30-Jun 24-Aug 18-Sep 14-Sep 14-Oct 82 115.0 110.5 158 1989-2015 6
    BEAR RIVER BAY 12-Feb 18-Apr 21-Apr 19-Jun 01-Oct 30-Oct 29-Oct 19-Nov 125 192.1 198.5 240 1969-1996 20
    BEAR RIVER REFUGE 22-Mar 24-Apr 25-Apr 25-May 18-Sep 13-Oct 15-Oct 14-Nov 132 172.7 171.0 228 1938-1984 41
    BEAR RIVER UTAH 23-Jun 07-Jul 06-Jul 18-Jul 25-Jul 20-Aug 24-Aug 18-Sep 8 43.3 48.0 73 1999-2015 15
    BEAVER 28-Apr 06-Jun 06-Jun 03-Jul 29-Jul 15-Sep 17-Sep 14-Oct 48 102.2 103.0 154 1904-1990 74
    BEAVER 15 E 29-May 04-Jun 04-Jun 10-Jun 23-Sep 23-Sep 24-Sep 24-Sep 106 111.5 111.5 117 2012-2014 2
    BEAVER CANYON PH 14-May 03-Jun 05-Jun 17-Jun 04-Sep 23-Sep 24-Sep 08-Oct 86 111.6 116.0 136 1940-2015 15
    *Stations with 0 years include at least one good spring or fall season
    †Freeze-Free seasons with 1 day could be frozen all year; 729 or 730 days represent years that could have been "Freeze-Free" all year (730 would indicate a leap year)

    Station Name Last spring freeze First fall freeze Freeze-free Period Years
    Early Avg Median Late Early Avg Median Late Short Avg Median Long
    BEAVER CREEK NURSERY 01-Jul 02-Jul 02-Jul 03-Jul 19-Aug 01-Sep 01-Sep 14-Sep 47 61.0 61.0 75 1914-1917 2
    BEAVER DAMS 14-May 14-Jun 11-Jun 23-Jul 21-Aug 17-Sep 20-Sep 06-Oct 41 95.7 101.5 140 1981-2015 26
    BEAVER DIVIDE 16-May 16-Jun 16-Jun 13-Jul 27-Jul 06-Sep 11-Sep 04-Oct 22 82.0 85.0 111 1979-2015 24
    BEN LOMOND PEAK 13-May 11-Jun 10-Jun 24-Jul 01-Sep 22-Sep 20-Sep 24-Oct 39 104.3 109.0 140 1979-2015 21
    BEN LOMOND TRAIL 02-May 07-Jun 11-Jun 02-Jul 07-Aug 09-Sep 13-Sep 03-Oct 48 95.2 94.5 134 1981-2015 22
    BIG FLAT 30-May 19-Jun 16-Jun 24-Jul 25-Jul 09-Sep 11-Sep 05-Oct 1 84.7 90.0 112 1980-2015 23
    BIG INDIAN VALLEY - LASAL 6S U 16-Apr 05-May 04-May 05-Jun 18-Sep 13-Oct 11-Oct 11-Nov 134 162.5 162.0 194 1988-2015 25
    BIG WATER 16-Mar 10-Apr 13-Apr 02-May 12-Oct 01-Nov 02-Nov 20-Nov 183 207.2 205.0 233 1986-2015 20
    BINGHAM CANYON 15-Apr 14-May 14-May 04-Jun 18-Sep 12-Oct 14-Oct 08-Nov 124 152.0 149.0 202 1941-1974 28
    BINGHAM CANYON 2 NE 17-Apr 13-May 11-May 14-Jun 18-Sep 12-Oct 15-Oct 08-Nov 122 152.0 147.5 181 1975-1985 10
    BIRDSEYE 26-May 27-Jun 29-Jun 22-Jul 25-Jul 21-Aug 18-Aug 24-Sep 4 55.8 60.0 108 1934-1992 21
    BIRDSEYE NEBO CREEK 10-Jun 22-Jun 17-Jun 11-Jul 20-Aug 04-Sep 05-Sep 20-Sep 65 68.0 68.0 71 1980-1983 2
    BLACK CEDAR - FILMORE 5E UTAH 23-Apr 23-May 24-May 16-Jun 04-Sep 05-Oct 05-Oct 08-Nov 97 133.7 128.0 190 1987-2015 27
    BLACK FLAT-U.M. CK 01-Jun 24-Jun 23-Jun 20-Jul 07-Aug 05-Sep 08-Sep 28-Sep 25 72.4 73.0 107 1982-2015 27
    BLACK ROCK 27-Apr 31-May 30-May 09-Jul 20-Aug 18-Sep 17-Sep 13-Oct 59 111.4 111.0 164 1901-2015 79
    BLACKS FK RS 08-Jul 16-Jul 17-Jul 21-Jul 25-Jul 01-Aug 31-Jul 13-Aug 4 16.8 16.5 30 1918-1921 4
    BLACKTAIL UTAH 27-Apr 17-May 18-May 30-May 16-Sep 02-Oct 03-Oct 25-Oct 110 138.0 140.0 156 2002-2015 13
    BLANDING 25-Mar 13-May 10-May 17-Jul 06-Sep 12-Oct 12-Oct 15-Nov 84 152.7 155.0 221 1905-2015 104
    BLANDING 26 SSW 17-Apr 28-Apr 03-May 04-May 05-Oct 19-Oct 25-Oct 27-Oct 154 174.0 177.0 191 2011-2014 3
    BLOWHARD MTN RADAR 21-May 18-Jun 17-Jun 20-Jul 18-Aug 12-Sep 12-Sep 07-Oct 53 86.8 87.0 116 1965-2006 34
    BLUE CREEK 09-Nov 09-Nov 09-Nov 09-Nov 1899-1952 0*
    BLUFF 16-Mar 25-Apr 25-Apr 26-May 18-Sep 11-Oct 10-Oct 11-Nov 120 168.1 165.5 230 1911-2015 80
    BLUFF 32 NW 24-Jan 24-Jan 24-Jan 24-Jan 25-Jan 25-Jan 25-Jan 25-Jan 1 1.0 1.0 1 2011-2014 4
    BONANZA 08-Apr 10-May 09-May 15-Jun 22-Aug 02-Oct 06-Oct 01-Nov 94 146.8 148.0 186 1938-1993 33
    BONANZA PUMPING STN 26-Apr 08-May 09-May 19-May 16-Sep 13-Oct 17-Oct 07-Nov 130 158.8 156.0 188 1960-1966 6
    BOULDER 27-Apr 19-May 18-May 04-Jul 09-Sep 04-Oct 04-Oct 06-Nov 79 138.6 141.0 175 1954-2015 58
    BOUNTIFUL-VAL VERDA 11-Mar 19-Apr 20-Apr 09-May 23-Sep 22-Oct 24-Oct 15-Nov 156 186.8 180.0 234 1913-2014 33
    BOX CREEK 24-May 17-Jun 16-Jun 24-Jul 23-Aug 13-Sep 14-Sep 05-Oct 51 89.0 91.0 124 1981-2015 21
    BRIAN HEAD 04-Jun 23-Jun 23-Jun 06-Jul 05-Aug 05-Sep 08-Sep 21-Sep 50 74.8 77.0 98 1992-2009 15
    BRIGHAM CITY 09-Apr 04-May 02-May 02-Jun 09-Sep 11-Oct 12-Oct 13-Nov 111 160.0 161.0 206 1899-1974 54
    *Stations with 0 years include at least one good spring or fall season
    †Freeze-Free seasons with 1 day could be frozen all year; 729 or 730 days represent years that could have been "Freeze-Free" all year (730 would indicate a leap year)

    Station Name Last spring freeze First fall freeze Freeze-free Period Years
    Early Avg Median Late Early Avg Median Late Short Avg Median Long
    BRIGHAM CITY 28 WNW 17-Apr 28-May 01-Jun 17-Jun 06-Sep 01-Oct 02-Oct 18-Oct 81 121.1 123.0 142 2008-2015 7
    BRIGHAM CITY WASTE PLT 12-Apr 10-May 09-May 10-Jun 01-Sep 01-Oct 04-Oct 22-Oct 108 143.6 142.0 173 1974-2015 33
    BRIGHTON 16-May 16-Jun 15-Jun 07-Jul 31-Jul 12-Sep 15-Sep 05-Oct 38 88.5 90.0 128 1987-2015 25
    BRIMSTONE RES. - MILFORD 20WSW 19-Apr 14-May 12-May 13-Jun 17-Sep 11-Oct 10-Oct 11-Nov 119 150.6 149.0 195 1988-2015 27
    BROWN DUCK 30-May 26-Jun 22-Jun 24-Jul 25-Jul 25-Aug 28-Aug 18-Sep 1 59.8 65.0 105 1979-2015 28
    BRUIN POINT - SUNNYSIDE 6NNE U 29-May 16-Jun 16-Jun 07-Jul 26-Aug 15-Sep 15-Sep 05-Oct 55 90.1 92.0 110 1991-2015 21
    BRYCE CANYON AP 26-May 25-Jun 25-Jun 17-Jul 05-Aug 30-Aug 02-Sep 28-Sep 30 66.3 68.0 109 1949-2015 45
    BRYCE CANYON NATL PRK 20-Jun 06-Jul 03-Jul 22-Jul 01-Aug 19-Aug 15-Aug 17-Sep 31 44.4 34.0 89 1972-1978 7
    BRYCE CANYON NP HQRS 22-May 16-Jun 16-Jun 06-Jul 02-Aug 08-Sep 12-Sep 07-Oct 33 85.2 85.0 132 1959-2015 52
    BRYCE CANYON UTAH 04-Jun 20-Jun 20-Jun 10-Jul 16-Aug 07-Sep 07-Sep 30-Sep 52 78.3 78.0 102 2003-2015 12
    BRYCE CNYN NATL PRK 05-Jun 23-Jun 23-Jun 08-Jul 03-Aug 02-Sep 11-Sep 23-Sep 36 72.5 77.0 105 1933-1959 16
    BRYSON CANYON UTAH 25-Mar 24-Apr 24-Apr 12-May 27-Sep 19-Oct 21-Oct 14-Nov 151 177.9 174.0 216 1988-2015 25
    BUCK FLAT 16-May 15-Jun 13-Jun 19-Jul 25-Aug 12-Sep 14-Sep 05-Oct 37 88.7 87.0 129 1980-2015 27
    BUCK FLAT - ESCALANTE 10NW UTA 03-May 01-Jun 31-May 18-Jun 10-Sep 29-Sep 01-Oct 24-Oct 96 121.2 116.0 158 1990-2015 25
    BUES CANYON UTAH 16-Apr 08-May 05-May 13-Jun 16-Sep 09-Oct 08-Oct 07-Nov 119 151.9 150.0 189 1986-2015 21
    BUG LAKE 16-May 17-Jun 16-Jun 23-Jul 19-Aug 11-Sep 11-Sep 07-Oct 27 85.6 85.0 128 1979-2015 25
    BULLFROG 8 N 11-Apr 11-Apr 11-Apr 11-Apr 2001-2001 0*
    BULLFROG BASIN 23-Feb 02-Apr 02-Apr 29-Apr 22-Oct 09-Nov 10-Nov 24-Nov 184 222.4 222.0 268 1967-2015 30
    BURRVILLE 31-May 17-Jun 13-Jun 05-Jul 05-Sep 14-Sep 16-Sep 24-Sep 62 92.8 94.0 116 1911-1919 5
    CALLAO 22-Apr 17-May 14-May 30-Jun 22-Aug 25-Sep 25-Sep 21-Oct 57 132.2 133.0 172 1903-2015 54
    CALLISTER RCH 01-May 23-May 20-May 30-Jun 15-Sep 29-Sep 01-Oct 21-Oct 83 127.2 127.0 162 1967-1984 15
    CAMP JACKSON 25-Apr 26-May 25-May 18-Jun 10-Sep 01-Oct 03-Oct 26-Oct 96 130.5 131.0 168 1986-2015 26
    CANYON BREEZE RANCH 16-Apr 07-May 07-May 25-May 25-Sep 09-Oct 09-Oct 26-Oct 141 155.8 154.0 185 2007-2013 5
    CANYONLANDS-THE NECK 10-Apr 03-May 01-May 14-Jun 18-Sep 17-Oct 18-Oct 15-Nov 133 169.9 170.5 219 1965-2015 46
    CANYONLANDS-THE NEEDLE 30-Mar 05-May 04-May 02-Jun 12-Sep 09-Oct 10-Oct 01-Nov 111 157.8 159.5 194 1965-2015 44
    CAPITOL REEF NP 16-Mar 23-Apr 22-Apr 26-May 21-Sep 25-Oct 26-Oct 20-Nov 137 185.3 185.5 228 1967-2015 48
    CART CREEK UTAH 08-May 01-Jun 31-May 24-Jun 24-Aug 22-Sep 21-Sep 13-Oct 61 112.7 114.5 140 1985-2015 26
    CASCADE MOUNTAIN 13-May 31-May 30-May 18-Jun 15-Sep 30-Sep 01-Oct 25-Oct 106 123.2 119.0 154 2003-2015 11
    CASTLE DALE 27-Apr 25-May 23-May 06-Jul 21-Aug 23-Sep 23-Sep 21-Oct 54 121.3 125.0 161 1899-2015 91
    CASTLE GATE 06-May 05-Jun 20-May 20-Jul 25-Jul 28-Aug 29-Aug 02-Oct 5 70.0 70.0 135 1893-1897 2
    *Stations with 0 years include at least one good spring or fall season
    †Freeze-Free seasons with 1 day could be frozen all year; 729 or 730 days represent years that could have been "Freeze-Free" all year (730 would indicate a leap year)

    Station Name Last spring freeze First fall freeze Freeze-free Period Years
    Early Avg Median Late Early Avg Median Late Short Avg Median Long
    CASTLE ROCK 16-Jun 21-Jun 21-Jun 26-Jun 15-Aug 16-Aug 17-Aug 18-Aug 50 56.5 56.5 63 1904-1961 2
    CASTLE VALLEY 01-Jun 21-Jun 20-Jun 18-Jul 01-Aug 05-Sep 09-Sep 27-Sep 39 77.1 78.5 107 1981-2015 22
    CASTLE VALLEY 20-Mar 13-Apr 13-Apr 06-May 21-Sep 18-Oct 18-Oct 12-Nov 157 190.0 191.0 215 1979-2009 17
    CASTLE VALLEY 1NE 07-Apr 25-Apr 30-Apr 07-May 05-Oct 06-Oct 06-Oct 07-Oct 160 160.0 160.0 160 2010-2014 1
    CASTLETON 20-Apr 05-May 02-May 17-May 13-Sep 04-Oct 05-Oct 30-Oct 121 154.2 155.0 186 1964-1978 9
    CEDAR BREAKS STORAGE 01-Jun 21-Jun 23-Jun 01-Jul 14-Aug 11-Sep 12-Sep 30-Sep 45 81.5 83.0 107 1948-1970 15
    CEDAR CITY 24-Apr 13-May 11-May 05-Jun 22-Sep 05-Oct 04-Oct 26-Oct 124 146.7 147.0 171 2000-2015 11
    CEDAR CITY 18 SSE 16-Apr 27-Apr 02-May 02-May 28-Sep 10-Oct 07-Oct 25-Oct 149 166.3 158.0 192 2011-2014 3
    CEDAR CITY 5E 09-May 26-May 25-May 07-Jun 14-Sep 01-Oct 29-Sep 08-Nov 100 128.6 129.0 166 1983-2015 18
    CEDAR CITY MUNI AP 28-Apr 22-May 19-May 30-Jun 02-Sep 30-Sep 30-Sep 31-Oct 75 132.1 129.5 173 1948-2015 66
    CEDAR CITY POWERHOUSE 05-Apr 17-May 19-May 13-Jun 03-Sep 01-Oct 03-Oct 31-Oct 109 138.3 139.5 178 1906-1961 42
    CEDAR CITY STEAM PLT 24-Apr 12-May 12-May 14-Jun 17-Sep 07-Oct 08-Oct 31-Oct 123 149.4 148.0 187 1962-1983 21
    CEDAR MOUNTAINS - STOCKTON 24W 16-Apr 16-May 14-May 10-Jun 04-Oct 07-Oct 07-Oct 13-Oct 118 137.5 139.0 154 2011-2015 4
    CEDAR POINT 28-Apr 22-May 22-May 12-Jun 03-Sep 05-Oct 07-Oct 29-Oct 99 137.9 141.0 167 1957-2015 53
    CHALK CREEK #1 16-May 19-Jun 17-Jun 19-Jul 26-Jul 09-Sep 11-Sep 05-Oct 7 82.2 84.0 128 1979-2015 26
    CHALK CREEK #2 16-May 12-Jun 14-Jun 24-Jun 31-Jul 10-Sep 14-Sep 04-Oct 39 91.1 91.0 128 1979-2015 23
    CHEPETA 08-Jun 29-Jun 27-Jun 24-Jul 25-Jul 23-Aug 30-Aug 18-Sep 1 54.9 58.0 93 1982-2015 25
    CHEPETA UTAH 13-Jun 22-Jun 20-Jun 10-Jul 01-Aug 28-Aug 31-Aug 18-Sep 45 71.1 73.0 90 1999-2015 13
    CHURCH WELLS 02-Mar 21-Apr 27-Apr 18-May 20-Sep 20-Oct 22-Oct 09-Nov 135 177.4 166.0 252 1976-1986 7
    CIRCLEVILLE 30-Apr 08-Jun 09-Jun 06-Jul 17-Aug 14-Sep 15-Sep 13-Oct 52 99.2 103.0 145 1942-2010 49
    CISCO 10-Apr 06-May 08-May 08-Jun 21-Sep 09-Oct 10-Oct 02-Nov 116 156.9 153.0 199 1893-1967 22
    CITY CREEK WTP 17-Apr 18-May 20-May 14-Jun 18-Sep 03-Oct 05-Oct 22-Oct 117 137.3 141.5 162 1956-2015 14
    CLAYTON SPRINGS 08-Jun 20-Jun 20-Jun 05-Jul 09-Aug 02-Sep 08-Sep 18-Sep 48 74.0 75.0 92 2002-2015 13
    CLEAR CREEK 03-Jun 01-Jul 01-Jul 24-Jul 27-Jul 24-Aug 26-Aug 19-Sep 8 54.4 59.0 90 1936-1967 32
    CLEAR CREEK #1 16-May 14-Jun 13-Jun 13-Jul 31-Jul 12-Sep 15-Sep 06-Oct 33 90.6 97.0 128 1980-2015 25
    CLEAR CREEK #2 20-May 14-Jun 13-Jun 19-Jul 31-Jul 09-Sep 10-Sep 06-Oct 38 87.1 85.0 118 1980-2015 25
    CLEAR LAKE REFUGE 11-May 30-May 25-May 30-Jun 02-Sep 21-Sep 19-Sep 21-Oct 75 116.1 119.5 142 1964-1984 16
    CLG WARD UTAH ST UNIV 08-May 08-May 08-May 08-May 22-Sep 22-Sep 22-Sep 22-Sep 137 137.0 137.0 137 1968-1969 1
    COALVILLE 17-May 18-Jun 17-Jun 22-Jul 31-Jul 31-Aug 02-Sep 28-Sep 17 75.4 77.0 117 1894-2012 71
    COALVILLE 13 E 31-May 21-Jun 20-Jun 19-Jul 01-Aug 31-Aug 04-Sep 26-Sep 26 71.8 78.0 102 1975-2015 26
    *Stations with 0 years include at least one good spring or fall season
    †Freeze-Free seasons with 1 day could be frozen all year; 729 or 730 days represent years that could have been "Freeze-Free" all year (730 would indicate a leap year)

    Station Name Last spring freeze First fall freeze Freeze-free Period Years
    Early Avg Median Late Early Avg Median Late Short Avg Median Long
    COON PEAK KSL TV 08-Jun 08-Jun 08-Jun 08-Jun 1953-1953 0*
    CORINNE 08-Apr 14-May 12-May 24-Jun 22-Aug 29-Sep 29-Sep 01-Nov 76 139.4 138.0 182 1896-2006 83
    CORNISH SUGAR FACTORY 09-May 16-May 09-May 30-May 21-Sep 25-Sep 26-Sep 30-Sep 135 139.5 139.5 144 1925-1927 2
    COTTONWOOD NURSERY 12-Jun 29-Jun 30-Jun 16-Jul 11-Aug 03-Sep 12-Sep 21-Sep 26 60.8 47.0 92 1894-1920 5
    COTTONWOOD WEIR 09-Mar 30-Apr 30-Apr 30-May 17-Sep 18-Oct 19-Oct 14-Nov 123 172.7 169.0 239 1917-2015 66
    COVE FT 30-Apr 06-Jun 04-Jun 30-Jun 21-Aug 15-Sep 14-Sep 13-Oct 71 102.2 104.0 145 1942-1980 25
    CROYDEN 23-Jun 09-Jul 08-Jul 24-Jul 16-Aug 16-Aug 16-Aug 16-Aug 54 54.0 54.0 54 1897-1900 1
    CURRANT CREEK 17-Jun 04-Jul 02-Jul 24-Jul 26-Jul 21-Aug 23-Aug 18-Sep 2 50.4 55.0 87 1979-2015 26
    CURRANT CREEK JUNCTION 24-Apr 29-May 01-Jun 24-Jun 13-Sep 18-Sep 19-Sep 26-Sep 82 118.5 118.5 155 1985-1996 2
    CUTLER DAM UP&L 08-Apr 03-May 02-May 27-May 24-Sep 16-Oct 15-Oct 09-Nov 128 167.1 168.0 203 1980-2015 32
    DANIELS-STRAWBERRY 13-May 18-Jun 17-Jun 22-Jul 27-Jul 04-Sep 06-Sep 06-Oct 5 79.0 81.0 115 1979-2015 23
    DEER CREEK DAM 08-May 09-Jun 09-Jun 19-Jul 25-Jul 11-Sep 13-Sep 14-Oct 6 94.2 94.5 143 1939-2015 72
    DELLE 01-May 19-May 15-May 15-Jun 22-Aug 16-Sep 20-Sep 07-Oct 79 117.7 133.0 141 1919-1952 3
    DELTA 15-Apr 19-May 16-May 19-Jun 02-Sep 27-Sep 26-Sep 28-Oct 75 132.6 133.0 183 1938-2015 67
    DELTA 32 SSW 22-May 22-May 22-May 22-May 1985-1987 0*
    DELTA 4 NE 03-May 26-May 03-Jun 10-Jun 04-Oct 06-Oct 07-Oct 07-Oct 119 133.0 126.0 154 2011-2014 3
    DESERET 21-Apr 25-May 22-May 06-Jul 27-Aug 20-Sep 20-Sep 19-Oct 56 118.7 119.0 166 1893-2015 111
    DESERT EXP RANGE 30-Apr 25-May 24-May 19-Jun 02-Sep 23-Sep 22-Sep 21-Oct 93 121.2 119.0 153 1950-1984 35
    DEWEY 12-Apr 04-May 04-May 25-May 24-Aug 03-Oct 05-Oct 29-Oct 114 152.6 153.0 184 1968-2004 29
    DIAMOND RIM 30-Apr 30-May 05-Jun 18-Jun 07-Sep 26-Sep 24-Sep 25-Oct 85 118.7 115.0 170 1984-2015 30
    DILLS CAMP 09-May 11-Jun 11-Jun 03-Jul 19-Aug 15-Sep 16-Sep 08-Oct 56 95.7 96.0 136 1979-2015 28
    DINOSAUR NM 06-Oct 06-Oct 06-Oct 06-Oct 1941-1958 0*
    DINOSAUR QUARRY AREA 23-Apr 15-May 11-May 15-Jul 18-Aug 27-Sep 27-Sep 20-Oct 34 135.6 140.0 174 1916-2015 50
    DONKEY RESERVOIR 01-Jun 24-Jun 20-Jun 21-Jul 05-Aug 01-Sep 01-Sep 21-Sep 44 68.6 69.0 110 1986-2015 29
    DRAPER 14-May 06-Jun 05-Jun 30-Jun 13-Sep 22-Sep 21-Sep 04-Oct 83 108.7 121.0 122 1966-1968 3
    DRAPER-POINT OF MTN 08-Apr 28-Apr 22-Apr 10-Jun 29-Sep 17-Oct 16-Oct 07-Nov 156 178.5 178.0 208 1986-2008 10
    DRY BREAD POND 13-May 16-Jun 17-Jun 07-Jul 23-Aug 12-Sep 12-Sep 05-Oct 53 88.0 84.5 131 1979-2015 24
    DRY FORK 13-May 05-Jun 07-Jun 18-Jun 06-Sep 24-Sep 25-Sep 09-Oct 81 111.2 113.0 140 1995-2015 17
    DUCHESNE 21-Apr 22-May 20-May 25-Jun 09-Aug 22-Sep 22-Sep 21-Oct 67 123.9 124.5 171 1906-2015 100
    DUCHESNE AP 01-May 20-May 20-May 09-Jun 13-Sep 24-Sep 22-Sep 07-Oct 115 132.2 133.0 159 1974-1980 5
    *Stations with 0 years include at least one good spring or fall season
    †Freeze-Free seasons with 1 day could be frozen all year; 729 or 730 days represent years that could have been "Freeze-Free" all year (730 would indicate a leap year)

    Station Name Last spring freeze First fall freeze Freeze-free Period Years
    Early Avg Median Late Early Avg Median Late Short Avg Median Long
    DUGWAY 08-Apr 13-May 13-May 15-Jun 11-Sep 29-Sep 28-Sep 29-Oct 112 140.3 134.5 187 1951-2013 56
    DUGWAY 7 N ORR RCH 05-Jun 18-Jun 17-Jun 30-Jun 10-Sep 10-Sep 10-Sep 10-Sep 72 72.0 72.0 72 1969-1970 1
    DUGWAY PROVING GROUNDS 08-Apr 06-May 06-May 02-Jun 18-Sep 04-Oct 04-Oct 29-Oct 120 153.0 146.0 187 1950-1970 16
    EAST PORTAL 16-Jun 07-Jul 04-Jul 24-Jul 29-Jul 20-Aug 22-Aug 09-Sep 9 43.3 46.5 77 1905-1955 22
    EAST WILLOW CREEK 21-May 12-Jun 10-Jun 13-Jul 26-Aug 19-Sep 20-Sep 07-Oct 55 98.3 103.5 127 1987-2015 26
    ECHO DAM 05-May 06-Jun 04-Jun 01-Jul 29-Jul 11-Sep 13-Sep 04-Oct 49 97.7 101.0 134 1940-2015 71
    EDEN 2N 10-Jun 14-Jun 13-Jun 17-Jun 04-Oct 06-Oct 07-Oct 09-Oct 114 115.0 115.0 116 2011-2013 2
    ELBERTA 16-Apr 18-May 17-May 04-Jul 24-Aug 29-Sep 28-Sep 29-Oct 75 135.5 132.0 190 1902-1992 82
    ELECTRIC LAKE 30-May 25-Jun 26-Jun 13-Jul 25-Jul 26-Aug 25-Aug 25-Sep 21 63.4 62.0 101 1980-2009 26
    EMERY 17-Apr 27-May 28-May 06-Jul 23-Aug 25-Sep 25-Sep 22-Oct 49 121.2 121.0 164 1901-1978 69
    EMERY 15 SW 08-Jun 20-Jun 15-Jun 07-Jul 20-Aug 14-Sep 14-Sep 26-Sep 67 86.7 86.5 105 1979-1986 6
    ENTERPRISE 14-May 30-May 30-May 11-Jun 13-Sep 29-Sep 29-Sep 13-Oct 109 124.7 126.0 136 1905-2015 9
    ENTERPRISE BERYL JCT 03-May 11-Jun 11-Jun 19-Jul 13-Aug 13-Sep 15-Sep 12-Oct 50 94.5 95.0 150 1941-2008 52
    ENTERPRISE UTAH 27-Apr 24-May 25-May 10-Jun 09-Sep 28-Sep 01-Oct 13-Oct 110 127.2 131.0 145 2001-2015 13
    EPHRAIM 17-Apr 27-May 26-May 30-Jun 27-Aug 23-Sep 23-Sep 20-Oct 79 121.1 122.5 173 1950-2015 62
    EPHRAIM ALPINE MEADOW 01-Jun 21-Jun 20-Jun 08-Jul 20-Aug 06-Sep 07-Sep 21-Sep 54 77.2 77.0 107 1912-1934 18
    EPHRAIM HQ GBRC 11-Jun 11-Jun 11-Jun 11-Jun 01-Sep 13-Sep 12-Sep 24-Sep 92 92.0 92.0 92 1951-1955 1
    EPHRAIM HQ GBRC 30-May 18-Jun 18-Jun 07-Jul 29-Jul 08-Sep 09-Sep 05-Oct 36 83.3 81.0 114 1918-1950 29
    EPHRAIM OAKS 30-May 17-Jun 14-Jun 09-Jul 27-Aug 13-Sep 13-Sep 06-Oct 53 88.1 87.5 121 1918-1934 16
    ESCALANTE 02-Apr 16-May 15-May 30-Jun 10-Aug 02-Oct 04-Oct 01-Nov 80 142.0 144.0 192 1902-2015 91
    ESCALANTE RIVER MOUTH 02-Nov 02-Nov 02-Nov 02-Nov 1951-1953 0*
    ESKDALE 28-Apr 23-May 20-May 01-Jul 02-Sep 25-Sep 24-Sep 21-Oct 74 124.6 127.0 158 1966-2015 45
    EUREKA 30-Apr 01-Jun 25-May 30-Jun 23-Aug 22-Sep 21-Sep 20-Oct 54 114.6 118.5 156 1930-1984 16
    FAIRFIELD 11-May 07-Jun 08-Jun 19-Jul 07-Aug 10-Sep 12-Sep 03-Oct 60 95.2 98.0 125 1911-2015 52
    FAIRFIELD CAA AP 20-May 07-Jun 07-Jun 25-Jun 18-Sep 22-Sep 23-Sep 27-Sep 121 121.0 121.0 121 1948-1950 1
    FAIRVIEW 8N 31-May 08-Jun 08-Jun 17-Jun 02-Sep 16-Sep 16-Sep 06-Oct 79 100.3 106.0 126 1975-2012 7
    FARMINGTON 22-Mar 05-May 05-May 16-Jun 08-Sep 09-Oct 12-Oct 08-Nov 96 157.9 161.0 201 1893-1965 57
    FARMINGTON 11-May 12-Jun 13-Jun 18-Jul 04-Aug 15-Sep 17-Sep 24-Oct 17 93.7 93.5 131 1979-2015 22
    FARMINGTON 3 NW 22-Mar 29-Apr 30-Apr 13-Jun 18-Sep 13-Oct 12-Oct 15-Nov 127 165.6 163.0 220 1948-2015 40
    FARMINGTON LOWER 11-May 04-Jun 04-Jun 17-Jun 01-Sep 16-Sep 16-Sep 04-Oct 80 104.4 108.5 130 2004-2015 10
    *Stations with 0 years include at least one good spring or fall season
    †Freeze-Free seasons with 1 day could be frozen all year; 729 or 730 days represent years that could have been "Freeze-Free" all year (730 would indicate a leap year)

    Station Name Last spring freeze First fall freeze Freeze-free Period Years
    Early Avg Median Late Early Avg Median Late Short Avg Median Long
    FARNSWORTH LAKE 19-May 13-Jun 11-Jun 23-Jul 25-Jul 17-Sep 21-Sep 06-Oct 2 99.4 107.0 126 1981-2015 19
    FERRON 11-Apr 17-May 14-May 30-Jun 02-Sep 03-Oct 05-Oct 26-Oct 75 139.0 141.0 185 1897-2015 64
    FILLMORE 06-Apr 16-May 16-May 02-Jul 23-Aug 03-Oct 03-Oct 03-Nov 63 140.0 140.0 193 1893-2015 109
    FISH LAKE RS 12-Jun 12-Jun 12-Jun 12-Jun 12-Sep 12-Sep 12-Sep 12-Sep 92 92.0 92.0 92 1916-1951 1
    FISH SPRINGS NWR 08-Apr 03-May 02-May 14-Jun 18-Sep 10-Oct 11-Oct 05-Nov 119 159.8 154.5 205 1960-2015 38
    FIVE MILE - DUCHESNE 18SSE UTA 23-Apr 21-May 23-May 18-Jun 17-Sep 03-Oct 04-Oct 27-Oct 104 134.9 132.5 168 1991-2015 22
    FIVE POINTS LAKE 08-Jun 29-Jun 28-Jun 24-Jul 25-Jul 23-Aug 26-Aug 18-Sep 1 54.3 59.5 93 1982-2015 28
    FLAMING GORGE 05-May 06-Jun 06-Jun 13-Jul 16-Aug 14-Sep 15-Sep 14-Oct 60 100.9 103.0 162 1958-2015 55
    FLATTOP MOUNTAIN - CLEVELAND 1 24-Mar 29-Apr 01-May 24-May 01-Oct 19-Oct 17-Oct 11-Nov 143 172.7 171.0 223 1988-2015 27
    FREMONT INDIAN SP 10-May 08-Jun 11-Jun 28-Jun 27-Aug 18-Sep 17-Sep 07-Oct 79 101.4 105.0 138 1988-2015 23
    FRISCO 02-May 25-May 24-May 13-Jun 06-Sep 03-Oct 02-Oct 30-Oct 96 131.9 134.0 167 1897-1912 13
    FRUITA 10-Apr 28-Apr 26-Apr 16-May 18-Sep 24-Oct 25-Oct 08-Nov 132 178.6 180.0 208 1939-1967 19
    FRUITLAND 14-May 13-Jun 18-Jun 05-Jul 29-Jul 10-Sep 10-Sep 14-Oct 37 88.7 87.0 126 1910-1966 13
    FRUITLAND 1 ENE 01-Jun 12-Jun 11-Jun 22-Jun 11-Sep 11-Sep 12-Sep 12-Sep 81 92.0 92.0 103 1988-1990 2
    FT DUCHESNE 17-Apr 26-May 22-May 11-Jul 07-Aug 21-Sep 21-Sep 24-Oct 39 119.9 121.0 178 1888-2015 92
    GARDNER PEAK 27-Apr 25-May 29-May 07-Jun 16-Sep 06-Oct 05-Oct 27-Oct 109 133.3 128.0 167 2005-2015 10
    GARFIELD 07-Mar 16-Apr 19-Apr 29-May 18-Sep 29-Oct 31-Oct 24-Nov 134 198.0 197.0 235 1925-2014 47
    GARLAND 1 NE 16-Apr 17-May 13-May 03-Jul 09-Sep 29-Sep 25-Sep 26-Oct 74 136.2 135.0 175 1909-1979 37
    GARRISON 30-Apr 30-May 30-May 30-Jun 03-Sep 24-Sep 23-Sep 14-Oct 78 118.1 118.0 156 1903-1990 32
    GENEVA STEEL 31-Mar 26-Apr 25-Apr 16-May 05-Oct 27-Oct 27-Oct 16-Nov 142 184.2 181.5 230 1953-1960 6
    GENEVA STEEL 2 04-Apr 03-May 02-May 07-Jun 09-Sep 13-Oct 17-Oct 01-Nov 94 163.5 169.0 211 1960-1982 22
    GILES 24-Apr 12-May 12-May 08-Jun 11-Sep 27-Sep 25-Sep 18-Oct 117 142.6 141.0 176 1895-1906 10
    GLEN CANYON CITY 14-Apr 28-Apr 27-Apr 09-May 13-Oct 28-Oct 30-Oct 26-Nov 171 185.3 183.0 201 1963-1974 7
    GOBLIN VALLEY SP 17-Apr 01-May 01-May 11-May 02-Oct 12-Oct 07-Oct 26-Oct 146 166.8 165.0 191 2006-2015 4
    GOLD HILL 22-Apr 13-May 10-May 14-Jun 18-Sep 09-Oct 11-Oct 07-Nov 123 149.6 146.0 185 1966-1990 21
    GOOSEBERRY R.S. 01-Jun 22-Jun 17-Jun 24-Jul 27-Jul 08-Sep 11-Sep 06-Oct 5 78.0 80.0 125 1980-2014 27
    GOVERNMENT CREEK 04-May 31-May 01-Jun 03-Jul 08-Sep 25-Sep 23-Sep 24-Oct 75 118.3 117.5 155 1901-1950 48
    GRANITE PEAK DUGWAY PG 07-Apr 26-Apr 30-Apr 05-May 25-Sep 04-Oct 07-Oct 10-Oct 159 171.5 171.5 184 2007-2015 2
    GRANTSVILLE 12 WNW 13-Apr 23-Apr 22-Apr 02-May 24-Oct 27-Oct 27-Oct 30-Oct 181 187.5 187.5 194 2012-2014 2
    GRANTSVILLE 2W 17-Apr 02-May 04-May 14-May 24-Sep 14-Oct 12-Oct 31-Oct 151 165.1 164.0 180 1906-2015 15
    *Stations with 0 years include at least one good spring or fall season
    †Freeze-Free seasons with 1 day could be frozen all year; 729 or 730 days represent years that could have been "Freeze-Free" all year (730 would indicate a leap year)

    Station Name Last spring freeze First fall freeze Freeze-free Period Years
    Early Avg Median Late Early Avg Median Late Short Avg Median Long
    GREEN RIVER AVIATION 25-Mar 04-May 03-May 28-May 10-Sep 05-Oct 05-Oct 30-Oct 115 156.2 158.0 197 1948-2008 36
    GREEN RIVER RNG GWC 16-Apr 25-Apr 24-Apr 03-May 02-Oct 05-Oct 06-Oct 07-Oct 156 156.0 156.0 156 1948-2009 1
    GROUSE CREEK 20-May 13-Jun 19-Jun 30-Jun 03-Aug 31-Aug 05-Sep 25-Sep 87 97.5 97.5 108 1893-1939 2
    GROUSE CREEK 15-May 12-Jun 15-Jun 05-Jul 31-Jul 07-Sep 06-Sep 14-Oct 45 89.3 81.0 152 1959-2011 37
    GROUSE CREEK 4 NE 10-Jun 10-Jun 10-Jun 10-Jun 1982-1982 0*
    GUNNISON 29-Apr 03-Jun 01-Jun 30-Jun 17-Aug 15-Sep 17-Sep 14-Oct 49 105.4 109.5 154 1956-1990 32
    GUTZ PEAK 27-Apr 18-May 17-May 02-Jun 21-Sep 09-Oct 05-Oct 02-Nov 115 145.3 147.0 175 2005-2015 9
    HANKSVILLE 31-Mar 05-May 03-May 14-Jun 08-Sep 05-Oct 05-Oct 05-Nov 112 154.9 157.0 197 1910-2015 92
    HANNA 15-May 12-Jun 13-Jun 30-Jun 15-Aug 07-Sep 06-Sep 14-Oct 48 87.5 85.0 124 1952-2015 31
    HANS FLAT RS 16-Apr 06-May 02-May 07-Jun 23-Sep 16-Oct 16-Oct 12-Nov 115 163.4 163.0 201 1981-2015 33
    HARDSCRABBLE 10-May 05-Jun 08-Jun 24-Jun 04-Sep 24-Sep 23-Sep 25-Oct 81 110.6 114.0 140 1994-2015 18
    HARDWARE RCH 11-Jun 09-Jul 09-Jul 24-Jul 25-Jul 10-Aug 08-Aug 05-Sep 1 32.1 31.5 61 1956-1991 28
    HARLEY DOME 10-May 15-May 16-May 19-May 30-Sep 18-Oct 26-Oct 29-Oct 143 156.3 163.0 163 1960-1963 3
    HARRIS FLAT 04-Jun 01-Jul 29-Jun 23-Jul 26-Jul 29-Aug 04-Sep 28-Sep 15 58.8 59.0 97 1980-2015 25
    HAYDEN FORK 29-May 26-Jun 22-Jun 22-Jul 26-Jul 30-Aug 03-Sep 21-Sep 4 65.1 71.0 92 1979-2015 25
    HEBER 17-Apr 11-Jun 12-Jun 20-Jul 29-Jul 08-Sep 10-Sep 13-Oct 27 89.4 89.5 174 1893-2013 116
    HENEFER 07-Jun 28-Jun 27-Jun 20-Jul 30-Jul 25-Aug 25-Aug 16-Sep 10 58.4 55.0 97 1900-1920 19
    HENRIEVILLE 11-May 30-May 25-May 30-Jun 12-Sep 24-Sep 18-Sep 19-Oct 79 121.6 123.0 160 1963-1979 10
    HERRIMAN 11-May 11-May 11-May 11-May 17-Sep 17-Sep 17-Sep 17-Sep 129 129.0 129.0 129 1965-1965 1
    HEWINTA 07-Jun 08-Jul 07-Jul 24-Jul 25-Jul 11-Aug 07-Aug 18-Sep 1 33.3 29.5 87 1986-2015 28
    HEWINTA UTAH 23-Jun 11-Jul 13-Jul 24-Jul 25-Jul 10-Aug 08-Aug 02-Sep 1 32.4 34.0 63 1984-2015 25
    HIAWATHA 26-Apr 27-May 27-May 29-Jun 08-Sep 01-Oct 03-Oct 01-Nov 78 129.2 130.0 176 1917-1992 52
    HICKERSON PARK 08-Jun 05-Jul 05-Jul 23-Jul 26-Jul 19-Aug 23-Aug 18-Sep 5 44.1 47.5 87 1986-2015 28
    HITE 28-Feb 24-Mar 24-Mar 24-Apr 19-Oct 05-Nov 03-Nov 23-Nov 204 229.7 228.5 259 1900-1962 20
    HITE MARINA 26-Feb 30-Mar 03-Apr 30-Apr 31-Oct 16-Nov 17-Nov 01-Dec 219 239.8 231.0 278 1969-1978 4
    HITE RANGER STATION 07-Feb 15-Mar 20-Mar 20-Apr 22-Oct 15-Nov 15-Nov 29-Nov 199 247.3 241.5 290 1978-2015 10
    HOLE-IN-ROCK 03-Jun 04-Jul 03-Jul 24-Jul 25-Jul 17-Aug 12-Aug 18-Sep 1 43.4 39.5 90 1986-2015 28
    HOLSTEIN RS 15-Jun 15-Jun 15-Jun 15-Jun 19-Aug 01-Sep 01-Sep 14-Sep 91 91.0 91.0 91 1916-1917 1
    HORSE HOLLOW - COVE FORT 5W UT 24-Apr 21-May 22-May 16-Jun 14-Sep 05-Oct 04-Oct 27-Oct 108 136.8 136.5 167 1991-2015 24
    HORSE RIDGE 13-May 14-Jun 15-Jun 01-Jul 09-Aug 14-Sep 15-Sep 07-Oct 46 92.8 89.0 131 1979-2015 24
    *Stations with 0 years include at least one good spring or fall season
    †Freeze-Free seasons with 1 day could be frozen all year; 729 or 730 days represent years that could have been "Freeze-Free" all year (730 would indicate a leap year)

    Station Name Last spring freeze First fall freeze Freeze-free Period Years
    Early Avg Median Late Early Avg Median Late Short Avg Median Long
    HORSE RIDGE UTAH 12-May 05-Jun 07-Jun 22-Jun 01-Sep 21-Sep 22-Sep 06-Oct 85 107.9 110.5 128 1992-2015 16
    HOVENWEEP NM 21-Apr 14-May 13-May 13-Jun 16-Sep 07-Oct 07-Oct 30-Oct 105 146.7 150.0 178 1957-2015 51
    HUNTSVILLE 13-Jun 13-Jun 13-Jun 13-Jun 1899-1932 0*
    HUNTSVILLE MONASTERY 13-May 12-Jun 14-Jun 09-Jul 04-Aug 08-Sep 10-Sep 09-Oct 37 89.8 89.0 125 1977-2013 35
    HURRICANE 29-Oct 29-Oct 29-Oct 29-Oct 1912-1941 0*
    HYRUM 11-May 11-May 11-May 11-May 04-Oct 04-Oct 04-Oct 04-Oct 146 146.0 146.0 146 2012-2012 1
    IBAPAH 15-May 21-Jun 20-Jun 23-Jul 27-Jul 30-Aug 02-Sep 26-Sep 28 70.3 73.0 103 1903-2015 85
    IBAPAH NEAR 23-Jun 26-Jun 25-Jun 30-Jun 25-Aug 03-Sep 30-Aug 17-Sep 68 76.0 76.0 84 1907-1911 2
    INDIAN CANYON 13-May 12-Jun 11-Jun 13-Jul 25-Aug 17-Sep 19-Sep 13-Oct 55 97.6 97.0 140 1980-2015 27
    INTERNATIONAL 21-Apr 04-May 26-Apr 29-May 01-Oct 12-Oct 11-Oct 29-Oct 125 162.0 173.0 177 1910-1929 5
    IOSEPA SOUTH RCH 04-May 23-May 15-May 25-Jun 07-Sep 20-Sep 21-Sep 03-Oct 87 120.7 123.0 142 1911-1958 11
    JARVIE RCH 29-Apr 20-May 23-May 30-May 07-Sep 24-Sep 26-Sep 10-Oct 105 125.7 129.0 148 2002-2015 7
    JENSEN 22-Apr 19-May 16-May 26-Jun 25-Aug 20-Sep 19-Sep 14-Oct 60 124.6 125.5 159 1925-2015 74
    JENSEN SPRING - BERYL 12NNE 16-Apr 10-May 08-May 17-Jun 19-Sep 12-Oct 11-Oct 09-Nov 109 156.7 157.5 203 1983-2015 28
    JOES VALLEY UTAH 04-May 03-Jun 08-Jun 17-Jun 08-Sep 25-Sep 29-Sep 10-Oct 85 114.8 119.0 149 1999-2015 13
    JOHNSON PASS 23-Apr 25-May 24-May 23-Jun 08-Sep 01-Oct 30-Sep 08-Nov 87 130.9 126.0 189 1973-2013 35
    JOY 05-May 05-May 05-May 05-May 18-Sep 18-Sep 18-Sep 18-Sep 1911-1913 0*
    KAMAS 21-May 16-Jun 16-Jun 21-Jul 30-Jul 08-Sep 12-Sep 06-Oct 35 84.0 85.0 115 1949-2015 50
    KANAB 19-Mar 09-May 08-May 26-Jun 30-Jul 17-Oct 20-Oct 12-Nov 95 165.8 166.0 227 1903-2015 82
    KANE GULCH - BLANDING 23WSW 21-Apr 21-May 22-May 18-Jun 14-Sep 29-Sep 03-Oct 12-Oct 96 131.7 131.0 169 1991-2015 23
    KANOSH 19-Apr 14-May 12-May 15-Jun 16-Sep 10-Oct 10-Oct 09-Nov 114 149.5 149.0 198 1907-2013 44
    KEARNS 17-Apr 02-May 02-May 17-May 29-Sep 18-Oct 16-Oct 13-Nov 156 169.5 164.0 194 1943-1946 4
    KELTON 30-Apr 30-May 01-Jun 22-Jun 25-Aug 16-Sep 16-Sep 07-Oct 81 111.1 113.0 140 1899-1929 19
    KIMBERLY 22-May 11-Jun 10-Jun 29-Jun 08-Sep 21-Sep 20-Sep 08-Oct 88 109.0 105.0 139 1936-1942 5
    KIMBERLY MINE 16-May 14-Jun 13-Jun 05-Jul 26-Aug 17-Sep 18-Sep 06-Oct 55 96.3 99.0 128 1981-2015 23
    KINGS CABIN 30-May 27-Jun 25-Jun 22-Jul 25-Jul 27-Aug 31-Aug 19-Sep 7 61.8 64.0 97 1980-2015 28
    KINGS POINT - DUTCH JOHN 16ESE 22-Apr 12-May 08-May 13-Jun 09-Sep 29-Sep 28-Sep 22-Oct 88 140.6 143.0 171 1986-2015 29
    KNOLLS 10 NE 11-Apr 10-May 09-May 03-Jul 19-Sep 03-Oct 07-Oct 19-Oct 132 150.9 152.0 173 1986-2004 13
    KODACHROME BASIN PARK 21-Apr 27-May 23-May 26-Jun 31-Aug 27-Sep 28-Sep 21-Oct 78 124.5 126.0 171 1979-2015 33
    KOLOB 19-May 08-Jun 08-Jun 27-Jun 12-Aug 23-Sep 25-Sep 12-Oct 46 108.0 109.5 130 1980-2015 20
    *Stations with 0 years include at least one good spring or fall season
    †Freeze-Free seasons with 1 day could be frozen all year; 729 or 730 days represent years that could have been "Freeze-Free" all year (730 would indicate a leap year)

    Station Name Last spring freeze First fall freeze Freeze-free Period Years
    Early Avg Median Late Early Avg Median Late Short Avg Median Long
    KOOSHAREM 24-May 18-Jun 17-Jun 12-Jul 12-Aug 07-Sep 11-Sep 02-Oct 43 81.7 84.5 122 1893-2009 52
    LA SAL 29-Apr 31-May 30-May 30-Jun 10-Sep 28-Sep 27-Sep 24-Oct 79 121.0 122.0 162 1901-1978 41
    LA SAL 1SW 27-Apr 27-May 27-May 25-Jun 08-Sep 26-Sep 25-Sep 20-Oct 81 122.5 124.0 148 1978-2015 30
    LA VERKIN 12-Feb 09-Apr 11-Apr 24-May 05-Oct 29-Oct 30-Oct 23-Nov 158 205.7 209.5 262 1950-2015 50
    LAKEFORK #1 19-Jun 11-Jul 15-Jul 24-Jul 25-Jul 08-Aug 04-Aug 18-Sep 1 28.5 31.0 85 1980-2015 28
    LAKEFORK BASIN 08-Jun 24-Jun 23-Jun 15-Jul 30-Jul 25-Aug 26-Aug 18-Sep 16 61.0 62.0 93 1981-2015 23
    LAKEPOINT 02-Apr 03-May 05-May 29-May 21-Sep 30-Sep 30-Sep 11-Oct 130 151.0 149.0 176 1924-1929 4
    LAKESIDE 31-Mar 17-Apr 18-Apr 30-Apr 22-Oct 26-Oct 24-Oct 03-Nov 175 190.8 189.0 210 1952-1968 4
    LAKETOWN 10-May 14-Jun 14-Jun 22-Jul 03-Aug 10-Sep 11-Sep 06-Oct 27 87.6 84.0 133 1900-2015 112
    LASAL MOUNTAIN 09-May 08-Jun 04-Jun 24-Jul 04-Sep 22-Sep 23-Sep 08-Oct 51 106.3 110.0 144 1982-2015 23
    LAVA POINT UTAH 11-May 06-Jun 09-Jun 22-Jun 30-Aug 19-Sep 22-Sep 12-Oct 70 105.6 106.0 133 1995-2015 18
    LAYTON 28-Apr 14-May 14-May 30-May 25-Oct 26-Oct 26-Oct 27-Oct 150 165.0 165.0 180 2011-2013 2
    LEEDS NEAR 28-Mar 17-Apr 19-Apr 13-May 11-Oct 06-Nov 12-Nov 28-Nov 175 204.2 196.0 239 1912-1939 13
    LEHI 01-May 04-Jun 13-Jun 23-Jun 14-Sep 14-Sep 14-Sep 16-Sep 93 108.0 95.0 136 1914-1923 3
    LEMAY 10-Mar 28-Apr 24-Apr 05-Jun 10-Sep 06-Oct 09-Oct 27-Oct 102 163.9 168.0 229 1911-1931 16
    LEVAN 09-Apr 23-May 21-May 30-Jun 29-Aug 29-Sep 28-Sep 25-Oct 79 129.4 128.0 181 1893-2015 115
    LEWISTON 16-Apr 26-May 24-May 30-Jun 08-Aug 15-Sep 15-Sep 13-Oct 50 112.9 114.0 150 1925-1976 50
    LIGHTNING RIDGE 13-May 08-Jun 10-Jun 18-Jun 05-Sep 22-Sep 23-Sep 09-Oct 80 108.0 116.5 131 2004-2015 6
    LILY LAKE 29-May 28-Jun 26-Jun 24-Jul 25-Jul 25-Aug 28-Aug 18-Sep 1 57.6 60.0 92 1982-2015 26
    LINWOOD 28-Jun 28-Jun 28-Jun 28-Jun 13-Sep 13-Sep 14-Sep 14-Sep 77 77.0 77.0 77 1941-1943 1
    LITTLE BEAR 27-Apr 30-May 30-May 17-Jun 26-Aug 22-Sep 23-Sep 25-Oct 72 114.4 116.0 154 1979-2015 21
    LITTLE GRASSY 16-Apr 17-May 18-May 17-Jun 12-Sep 08-Oct 08-Oct 03-Nov 104 143.7 146.0 183 1986-2015 26
    LITTLE SAHARA REC AREA 13-May 01-Jun 26-May 06-Jul 12-Aug 17-Sep 18-Sep 09-Oct 67 111.0 114.0 140 1979-2015 24
    LOA 20-May 14-Jun 14-Jun 18-Jul 31-Jul 06-Sep 09-Sep 06-Oct 37 84.2 83.0 130 1893-2015 88
    LOGAN 5 SW EXP FARM 22-Apr 21-May 19-May 21-Jun 03-Sep 21-Sep 22-Sep 22-Oct 82 124.1 127.0 162 1969-2015 39
    LOGAN CACHE AP 03-May 23-May 20-May 10-Jun 07-Sep 20-Sep 24-Sep 09-Oct 95 120.3 117.0 157 1999-2015 16
    LOGAN RADIO KVNU 17-Apr 15-May 11-May 23-Jun 08-Sep 27-Sep 26-Sep 24-Oct 94 135.6 134.5 171 1957-2015 52
    LOGAN SUGAR FACTORY 05-May 24-May 20-May 19-Jun 09-Sep 16-Sep 15-Sep 28-Sep 88 116.5 115.0 137 1925-1941 13
    LOGAN USU EXP STN 25-Apr 15-May 13-May 21-Jun 30-Aug 25-Sep 24-Sep 24-Oct 94 135.0 135.0 182 1951-1978 26
    LOGAN UTAH ST UNIV 05-Apr 07-May 06-May 17-Jun 12-Sep 11-Oct 13-Oct 09-Nov 95 158.7 160.5 203 1893-2015 110
    *Stations with 0 years include at least one good spring or fall season
    †Freeze-Free seasons with 1 day could be frozen all year; 729 or 730 days represent years that could have been "Freeze-Free" all year (730 would indicate a leap year)

    Station Name Last spring freeze First fall freeze Freeze-free Period Years
    Early Avg Median Late Early Avg Median Late Short Avg Median Long
    LONG FLAT 09-May 06-Jun 08-Jun 21-Jun 04-Sep 25-Sep 27-Sep 20-Oct 85 111.7 112.5 144 1981-2015 22
    LONG VALLEY JCT 29-Apr 04-Jun 02-Jun 28-Jun 12-Aug 23-Sep 24-Sep 18-Oct 66 112.2 111.0 154 1986-2015 27
    LOOKOUT PEAK 13-May 14-Jun 13-Jun 05-Jul 24-Aug 14-Sep 14-Sep 05-Oct 56 91.8 91.0 131 1988-2015 25
    LOST CREEK - SALINA 12S UTAH 02-May 29-May 29-May 17-Jun 14-Sep 02-Oct 04-Oct 27-Oct 100 126.6 126.0 166 1991-2015 24
    LOUIS MEADOW 13-May 02-Jun 31-May 18-Jun 06-Sep 24-Sep 25-Sep 11-Oct 81 112.1 115.5 140 2000-2015 12
    LOW 29-Apr 03-May 02-May 05-May 29-Aug 01-Oct 04-Oct 19-Oct 133 146.5 148.5 156 1911-1919 4
    LOWER AMERI FORK PWHS 02-Apr 02-May 01-May 11-Jun 23-Sep 19-Oct 20-Oct 14-Nov 120 170.7 172.5 207 1914-1957 40
    LOWER MILL CREEK 31-Mar 01-May 01-May 07-Jun 15-Sep 17-Oct 19-Oct 13-Nov 127 171.2 171.0 208 1914-1953 35
    LUCIN 18-Apr 24-May 23-May 22-Jul 28-Jul 20-Sep 22-Sep 02-Nov 6 119.8 127.0 195 1905-1990 39
    LUND 03-May 30-May 31-May 03-Jul 01-Sep 18-Sep 18-Sep 13-Oct 62 112.0 114.0 145 1901-1967 27
    LYTLE RCH 29-Jan 12-Apr 17-Apr 01-Jun 21-Sep 25-Oct 26-Oct 21-Nov 149 197.5 197.0 297 1988-2015 13
    MAESER 9NW 24-Apr 27-May 30-May 17-Jun 12-Sep 25-Sep 23-Sep 15-Oct 99 121.8 120.0 166 1983-2009 25
    MAGNA ASARCO FARM 16-May 22-May 22-May 28-May 20-Oct 21-Oct 21-Oct 22-Oct 1951-1957 0*
    MAMMOTH RS 19-May 19-May 19-May 19-May 27-Oct 27-Oct 27-Oct 27-Oct 161 161.0 161.0 161 1896-1940 1
    MAMMOTH-COTTONWOOD 24-May 22-Jun 20-Jun 19-Jul 27-Jul 05-Sep 06-Sep 06-Oct 21 74.1 75.5 118 1980-2015 28
    MANILA 22-Apr 03-Jun 02-Jun 10-Jul 15-Aug 16-Sep 16-Sep 10-Oct 62 106.9 108.0 149 1910-2015 51
    MANILA 18 ESE 03-May 06-May 05-May 08-May 26-Sep 30-Sep 30-Sep 04-Oct 146 147.5 147.5 149 2012-2014 2
    MANTI 07-Apr 24-May 23-May 03-Jul 02-Sep 26-Sep 25-Sep 26-Oct 79 125.0 127.0 175 1894-2015 111
    MARYSVALE 29-Apr 02-Jun 01-Jun 26-Jun 24-Aug 18-Sep 17-Sep 09-Oct 68 109.0 110.5 147 1913-2014 52
    MARYSVALE 3 21-May 10-Jun 10-Jun 06-Jul 31-Aug 15-Sep 15-Sep 03-Oct 73 98.3 92.0 134 1901-1913 12
    MCCOOK RIDGE 02-May 21-May 15-May 17-Jun 02-Sep 25-Sep 24-Sep 25-Oct 107 128.1 129.0 151 1983-2015 28
    MERCHANT VALLEY 22-May 23-Jun 20-Jun 17-Jul 20-Aug 10-Sep 13-Sep 05-Oct 44 79.4 80.5 107 1981-2015 24
    MEXICAN HAT 19-Mar 20-Apr 19-Apr 31-May 21-Sep 24-Oct 23-Oct 15-Nov 143 187.8 188.0 233 1940-2015 57
    MEXICAN HAT 10 NW 15-Apr 22-Apr 19-Apr 02-May 05-Oct 19-Oct 25-Oct 27-Oct 169 180.0 178.0 193 2011-2014 3
    MIDLAKE 11-Mar 10-Apr 09-Apr 07-May 18-Sep 08-Nov 10-Nov 12-Dec 150 210.7 207.5 254 1911-1981 18
    MIDVALE 06-Apr 13-May 13-May 14-Jun 04-Sep 30-Sep 28-Sep 07-Nov 94 140.4 140.0 188 1912-1971 47
    MIDWAY 3 NE 01-Jun 07-Jun 10-Jun 10-Jun 07-Sep 26-Sep 01-Oct 07-Oct 116 117.7 118.0 119 2010-2014 3
    MIDWAY VALLEY 29-May 17-Jun 15-Jun 03-Jul 03-Aug 09-Sep 13-Sep 28-Sep 55 86.5 84.0 120 1982-2015 23
    MILFORD 23-Apr 25-May 23-May 21-Jun 02-Sep 23-Sep 22-Sep 21-Oct 75 122.1 124.0 158 1928-2015 69
    MILFORD 42 WNW 03-May 09-May 05-May 19-May 27-Sep 03-Oct 06-Oct 07-Oct 141 147.3 147.0 154 2011-2014 3
    *Stations with 0 years include at least one good spring or fall season
    †Freeze-Free seasons with 1 day could be frozen all year; 729 or 730 days represent years that could have been "Freeze-Free" all year (730 would indicate a leap year)

    Station Name Last spring freeze First fall freeze Freeze-free Period Years
    Early Avg Median Late Early Avg Median Late Short Avg Median Long
    MILFORD MUNI AP 23-Apr 24-May 23-May 21-Jun 02-Sep 24-Sep 23-Sep 21-Oct 75 122.7 124.5 158 1928-2015 78
    MILL-D NORTH 13-May 12-Jun 11-Jun 19-Jul 24-Aug 17-Sep 19-Sep 05-Oct 55 95.5 96.5 140 1989-2015 24
    MILLS 01-Jun 04-Jun 01-Jun 12-Jun 13-Sep 17-Sep 18-Sep 22-Sep 93 104.7 109.0 112 1912-1920 3
    MINERSVILLE 02-Apr 10-May 15-May 04-Jun 24-Sep 02-Oct 02-Oct 15-Oct 120 138.0 135.0 159 1897-2013 3
    MINING FORK 13-May 07-Jun 08-Jun 03-Jul 24-Aug 21-Sep 22-Sep 24-Oct 59 106.8 109.0 140 1989-2015 23
    MOAB 08-Mar 18-Apr 17-Apr 18-May 16-Sep 16-Oct 18-Oct 09-Nov 136 182.5 182.0 239 1893-2015 107
    MOAB CANYONLAND AP 09-Apr 28-Apr 29-Apr 29-May 02-Oct 12-Oct 13-Oct 28-Oct 143 167.6 167.0 188 1998-2015 16
    MODENA 30-Apr 31-May 31-May 30-Jun 23-Aug 22-Sep 22-Sep 12-Oct 54 115.3 116.0 144 1948-2004 47
    MONTE CRISTO 13-May 19-Jun 18-Jun 19-Jul 25-Jul 07-Sep 11-Sep 03-Oct 27 81.2 82.5 131 1979-2015 26
    MONTEZUMA CREEK 15-May 27-May 29-May 07-Jun 13-Sep 04-Oct 10-Oct 21-Oct 112 131.2 130.0 151 1946-1956 6
    MONTICELLO 24 NW 29-Apr 02-May 02-May 03-May 05-Oct 06-Oct 07-Oct 07-Oct 155 158.0 158.0 161 2011-2014 3
    MONTICELLO 2E 25-Apr 28-May 29-May 27-Jun 08-Aug 29-Sep 02-Oct 01-Nov 83 124.9 125.0 175 1902-2011 89
    MONTICELLO NO. 2 04-May 16-May 15-May 29-May 28-Sep 10-Oct 07-Oct 28-Oct 131 148.0 147.0 166 2011-2015 3
    MONUMENT VLY GOULDINGS 23-Apr 23-Apr 23-Apr 23-Apr 24-Oct 30-Oct 31-Oct 06-Nov 197 197.0 197.0 197 1956-1960 1
    MONUMENT VLY MISSION 17-Mar 18-Apr 21-Apr 07-May 10-Oct 02-Nov 05-Nov 19-Nov 172 203.3 201.0 229 1962-1989 10
    MOON LAKE 30-May 23-Jun 24-Jun 05-Jul 27-Jul 05-Sep 08-Sep 01-Oct 22 75.0 76.0 113 1935-2015 22
    MORGAN POWER & LIGHT 27-Apr 06-Jun 03-Jun 24-Jul 29-Jul 11-Sep 12-Sep 14-Oct 23 97.2 101.0 160 1903-2012 95
    MORONI 01-May 02-Jun 01-Jun 03-Jul 07-Aug 18-Sep 19-Sep 18-Oct 47 109.2 109.0 156 1908-2015 83
    MOSBY MTN. 01-Jun 23-Jun 21-Jun 24-Jul 25-Jul 31-Aug 06-Sep 19-Sep 1 68.7 74.0 102 1979-2015 25
    MOSIDA 05-May 27-May 29-May 12-Jun 11-Sep 23-Sep 21-Sep 09-Oct 99 118.0 108.0 157 1911-1924 4
    MOUNTAIN HOME 14-Jun 14-Jun 14-Jun 14-Jun 15-Sep 15-Sep 15-Sep 15-Sep 93 93.0 93.0 93 1912-1918 1
    MT EMMONS 01-May 25-May 04-Jun 08-Jun 14-Sep 21-Sep 21-Sep 28-Sep 109 119.0 112.0 136 1949-1953 3
    MT. PLEASANT 08-May 28-May 29-May 14-Jun 11-Sep 29-Sep 01-Oct 15-Oct 102 125.3 123.0 160 1894-1910 7
    MTN DELL DAM 16-Apr 29-May 26-May 30-Jun 20-Aug 20-Sep 20-Sep 16-Oct 65 115.5 119.0 161 1920-2015 66
    MUD SPRING - EUREKA 13SW UTAH 18-Apr 23-May 20-May 17-Jun 09-Sep 30-Sep 01-Oct 25-Oct 87 129.9 130.0 166 1991-2015 24
    MURRAY 27-Apr 08-May 04-May 30-May 24-Sep 05-Oct 08-Oct 14-Oct 129 148.8 150.5 165 1924-1929 4
    MYTON 23-Apr 23-May 22-May 05-Jul 09-Sep 29-Sep 28-Sep 28-Oct 79 133.4 132.0 179 1916-2015 60
    NATURAL BRIDGES NM 17-Apr 16-May 14-May 18-Jun 13-Sep 09-Oct 07-Oct 11-Nov 106 147.2 148.0 200 1965-2015 45
    NAVAJO MTN 03-May 18-May 14-May 13-Jun 04-Sep 05-Oct 06-Oct 07-Nov 111 137.3 135.0 174 1957-1975 7
    NEOLA 29-Apr 25-May 24-May 30-Jun 23-Aug 26-Sep 24-Sep 21-Oct 54 123.7 126.0 162 1956-2015 45
    *Stations with 0 years include at least one good spring or fall season
    †Freeze-Free seasons with 1 day could be frozen all year; 729 or 730 days represent years that could have been "Freeze-Free" all year (730 would indicate a leap year)

    Station Name Last spring freeze First fall freeze Freeze-free Period Years
    Early Avg Median Late Early Avg Median Late Short Avg Median Long
    NEPHI 11-Apr 15-May 15-May 14-Jun 09-Sep 02-Oct 04-Oct 01-Nov 94 140.9 136.0 204 1904-2015 67
    NEPHI 5 SSW 10-May 08-Jun 03-Jun 03-Jul 31-Aug 21-Sep 22-Sep 15-Oct 79 107.3 112.0 140 1906-1941 18
    NEW HARMONY 14-Apr 13-May 10-May 06-Jun 13-Sep 10-Oct 13-Oct 07-Nov 117 150.6 149.0 186 1911-2015 53
    NEWCASTLE 27-Apr 27-Apr 27-Apr 27-Apr 29-Sep 29-Sep 29-Sep 29-Sep 1911-1926 0*
    NORTH LONG POINT UTAH 27-Apr 28-May 29-May 18-Jun 04-Sep 28-Sep 02-Oct 09-Oct 97 121.9 122.0 148 1998-2015 14
    NORWAY - KAMAS 10 W UTAH 02-Jun 19-Jun 19-Jun 05-Jul 27-Jul 05-Sep 10-Sep 02-Oct 46 77.8 80.0 105 1984-2015 19
    NUTTERS RCH 29-Apr 22-May 17-May 18-Jun 02-Sep 24-Sep 23-Sep 23-Oct 76 125.1 123.0 164 1964-2015 20
    OAK CITY 14-Apr 14-May 13-May 19-Jun 04-Sep 08-Oct 06-Oct 08-Nov 94 148.1 148.0 203 1905-2015 93
    OGDEN 2 18-Apr 12-May 09-May 16-Jun 10-Sep 05-Oct 06-Oct 26-Oct 92 147.0 151.0 182 1893-1940 23
    OGDEN HILL AFB 02-Apr 30-Apr 30-Apr 23-May 17-Sep 19-Oct 21-Oct 08-Nov 132 172.2 171.0 209 1948-1970 22
    OGDEN HINKLEY AP 01-Apr 28-Apr 30-Apr 19-May 28-Sep 21-Oct 22-Oct 13-Nov 151 175.5 175.0 214 1948-2015 20
    OGDEN NE BENCH 17-Apr 04-May 30-Apr 30-May 16-Oct 24-Oct 26-Oct 28-Oct 150 169.8 174.0 181 2011-2015 4
    OGDEN PIONEER PH 22-Mar 30-Apr 01-May 25-May 17-Sep 16-Oct 17-Oct 13-Nov 133 170.7 168.0 221 1902-2011 68
    OGDEN SUGAR FACTORY 02-Apr 05-May 05-May 02-Jun 17-Sep 10-Oct 12-Oct 09-Nov 121 159.9 160.5 204 1925-2009 76
    OLMSTEAD PH 08-Apr 03-May 07-May 19-May 18-Sep 13-Oct 12-Oct 12-Nov 134 164.8 166.0 205 1977-2003 26
    ORDERVILLE 21-Apr 21-May 19-May 29-Jun 01-Sep 04-Oct 05-Oct 26-Oct 79 136.5 137.0 177 1910-2014 61
    OREM TRTMT PLT 20-Mar 22-Apr 21-Apr 11-May 28-Sep 20-Oct 16-Oct 15-Nov 140 181.6 180.0 217 1983-2010 22
    ORRS RCH 21-May 09-Jun 08-Jun 30-Jun 29-Jul 09-Sep 10-Sep 04-Oct 73 95.3 92.5 118 1925-1949 18
    OTTER CREEK DAM 21-May 07-Jun 13-Jun 18-Jun 13-Sep 16-Sep 16-Sep 19-Sep 87 92.5 92.5 98 1977-1981 2
    OTTER CREEK UTAH 13-May 03-Jun 07-Jun 18-Jun 01-Sep 19-Sep 18-Sep 06-Oct 81 107.3 110.0 140 2003-2015 12
    OURAY 4NE 15-Apr 11-May 10-May 14-Jun 17-Aug 25-Sep 27-Sep 14-Oct 89 138.7 139.0 164 1941-2015 47
    PAHREAH 31-Mar 17-Apr 08-Apr 20-May 21-Sep 06-Oct 10-Oct 16-Oct 147 173.3 176.5 193 1895-1900 4
    PANGUITCH 19-May 21-Jun 21-Jun 23-Jul 25-Jul 03-Sep 05-Sep 05-Oct 26 75.3 73.5 128 1904-2015 82
    PARIA RS 16-Apr 06-May 01-May 09-Jun 03-Oct 23-Oct 25-Oct 07-Nov 134 172.8 176.0 193 1999-2015 10
    PARK CITY 26-May 13-Jun 14-Jun 28-Jun 27-Aug 06-Sep 07-Sep 16-Sep 78 84.7 84.0 98 1993-2007 7
    PARK CITY G.C. 03-May 12-Jun 08-Jun 20-Jul 01-Aug 13-Sep 15-Sep 17-Oct 14 95.1 103.0 141 1896-1991 43
    PARK CITY MEADOWS 07-Jul 07-Jul 07-Jul 07-Jul 05-Sep 05-Sep 05-Sep 05-Sep 60 60.0 60.0 60 1979-1980 1
    PARK CITY NORANDA MINE 15-Jun 15-Jun 15-Jun 15-Jun 26-Sep 26-Sep 26-Sep 26-Sep 103 103.0 103.0 103 1981-1982 1
    PARK CITY SUMMIT HOUSE 23-May 18-Jun 26-Jun 30-Jun 20-Aug 09-Sep 05-Sep 03-Oct 67 84.3 85.0 120 1969-1977 9
    PARK VALLEY 26-Apr 26-May 23-May 30-Jun 23-Aug 25-Sep 24-Sep 05-Nov 82 124.8 125.5 181 1911-1990 48
    *Stations with 0 years include at least one good spring or fall season
    †Freeze-Free seasons with 1 day could be frozen all year; 729 or 730 days represent years that could have been "Freeze-Free" all year (730 would indicate a leap year)

    Station Name Last spring freeze First fall freeze Freeze-free Period Years
    Early Avg Median Late Early Avg Median Late Short Avg Median Long
    PARK VALLEY MUDDY RCH 10-May 27-May 21-May 19-Jun 03-Sep 24-Sep 22-Sep 21-Oct 76 118.6 121.0 164 1970-1982 9
    PARLEYS SUMMIT 11-May 09-Jun 09-Jun 22-Jul 25-Jul 19-Sep 22-Sep 25-Oct 3 102.7 105.5 140 1979-2015 22
    PAROWAN 17-Apr 24-May 22-May 03-Jul 02-Sep 28-Sep 26-Sep 31-Oct 83 128.3 127.0 180 1893-2010 95
    PARRISH CREEK 10-May 03-Jun 07-Jun 18-Jun 06-Sep 23-Sep 24-Sep 09-Oct 81 111.1 110.0 140 2000-2015 13
    PARTOUN 21-Apr 24-May 21-May 30-Jun 26-Aug 21-Sep 22-Sep 31-Oct 75 121.8 123.0 193 1905-2015 63
    PAYSON R.S. 13-May 08-Jun 09-Jun 19-Jul 31-Aug 19-Sep 22-Sep 06-Oct 43 104.9 108.0 140 1981-2015 19
    PICKLE KEG 04-May 08-Jun 10-Jun 01-Jul 04-Sep 21-Sep 21-Sep 06-Oct 80 105.1 105.0 149 1979-2015 21
    PINE CREEK 13-May 10-Jun 10-Jun 04-Jul 25-Jul 19-Sep 21-Sep 14-Oct 21 101.4 105.0 140 1986-2015 28
    PINE VIEW DAM 14-Apr 24-May 22-May 29-Jun 25-Aug 24-Sep 21-Sep 05-Nov 79 123.8 121.0 205 1935-2015 69
    PINEVIEW 14-Jun 30-Jun 02-Jul 08-Jul 26-Jul 18-Aug 30-Aug 05-Sep 46 57.8 61.0 63 1911-1923 4
    PINTO 07-Jun 23-Jun 24-Jun 06-Jul 26-Jul 06-Sep 10-Sep 27-Sep 27 73.4 78.0 90 1897-1940 19
    PIUTE DAM 04-May 27-May 28-May 30-Jun 04-Sep 25-Sep 24-Sep 14-Oct 101 122.1 119.0 154 1912-1971 40
    PLATEAU 24-Jun 05-Jul 30-Jun 19-Jul 01-Aug 23-Aug 24-Aug 18-Sep 28 50.0 51.5 64 1902-1907 6
    PLEASANT CK POWERHOUSE 05-Jun 15-Jun 18-Jun 22-Jun 20-Aug 04-Sep 09-Sep 15-Sep 59 81.3 83.0 102 1956-1967 3
    PLEASANT GROVE 20-Mar 07-May 08-May 14-Jun 13-Sep 11-Oct 12-Oct 12-Nov 110 158.1 158.0 228 1947-2015 64
    PLEASANT GROVE UTAH 31-Mar 30-Apr 01-May 24-May 01-Oct 27-Oct 28-Oct 22-Nov 155 176.4 178.5 193 1997-2015 14
    PLYMOUTH 24-Apr 19-May 30-May 02-Jun 30-Aug 09-Sep 10-Sep 19-Sep 89 113.3 112.0 139 1940-2015 3
    PRICE 3 E 29-Apr 01-May 01-May 03-May 28-Sep 11-Oct 11-Oct 24-Oct 148 163.0 163.0 178 2012-2014 2
    PRICE BLM 21-Apr 14-May 15-May 14-Jun 16-Sep 06-Oct 09-Oct 05-Nov 118 146.2 144.0 188 1969-2015 18
    PRICE CARBON CO AP 16-Apr 10-May 07-May 13-Jun 23-Sep 08-Oct 09-Oct 28-Oct 117 150.3 152.0 178 1999-2015 16
    PRICE GAME FARM 08-Apr 12-May 12-May 03-Jul 17-Aug 02-Oct 05-Oct 24-Oct 80 143.3 145.5 190 1889-1968 40
    PROVO 22 E 02-Jul 12-Jul 10-Jul 23-Jul 03-Aug 04-Aug 03-Aug 06-Aug 14 23.3 24.0 32 2011-2014 3
    PROVO AP 04-Apr 28-Apr 10-May 13-May 01-Oct 11-Oct 12-Oct 22-Oct 144 167.4 164.0 190 1948-1953 5
    PROVO BYU 20-Mar 01-May 30-Apr 11-Jun 19-Sep 12-Oct 12-Oct 12-Nov 116 166.4 165.0 228 1917-2015 47
    PROVO RADIO KAYK 20-Apr 20-May 17-May 30-Jun 17-Aug 19-Sep 19-Sep 15-Oct 57 125.9 127.0 178 1952-1977 18
    RANCH 03-Jun 26-Jun 27-Jun 18-Jul 29-Jul 01-Sep 05-Sep 03-Oct 22 69.3 76.0 95 1902-1914 12
    RANDOLPH 21-May 27-Jun 26-Jun 22-Jul 25-Jul 21-Aug 24-Aug 19-Sep 3 54.5 57.0 88 1893-2015 30
    RAYS VALLEY UTAH 13-May 05-Jun 06-Jun 18-Jun 06-Sep 24-Sep 25-Sep 12-Oct 81 112.9 114.0 134 1996-2015 17
    RED BUTTE 1 04-Apr 16-Apr 16-Apr 28-Apr 17-Oct 21-Oct 22-Oct 26-Oct 172 188.5 188.5 205 1931-1933 2
    RED PINE RIDGE 29-May 25-Jun 23-Jun 20-Jul 27-Jul 25-Aug 29-Aug 19-Sep 20 60.7 59.0 93 1980-2015 21
    *Stations with 0 years include at least one good spring or fall season
    †Freeze-Free seasons with 1 day could be frozen all year; 729 or 730 days represent years that could have been "Freeze-Free" all year (730 would indicate a leap year)

    Station Name Last spring freeze First fall freeze Freeze-free Period Years
    Early Avg Median Late Early Avg Median Late Short Avg Median Long
    RICHFIELD RADIO KSVC 18-Apr 28-May 24-May 20-Jul 22-Aug 19-Sep 19-Sep 16-Oct 49 116.3 119.0 164 1893-2015 95
    RICHMOND 17-Apr 22-May 20-May 30-Jun 23-Aug 25-Sep 24-Sep 24-Oct 63 127.3 128.0 168 1912-2015 63
    RIVERDALE 02-Apr 10-May 10-May 25-Jun 10-Sep 08-Oct 10-Oct 08-Nov 82 150.9 151.5 203 1914-1991 68
    RIVERTON 14-May 22-May 23-May 27-May 13-Sep 23-Sep 23-Sep 04-Oct 119 125.0 122.0 134 1966-1968 3
    ROCK CREEK 16-May 14-Jun 11-Jun 19-Jul 27-Jul 11-Sep 14-Sep 06-Oct 20 89.0 94.0 118 1981-2015 28
    ROCKY BASIN-SETTLEME 15-May 15-Jun 17-Jun 05-Jul 24-Aug 15-Sep 16-Sep 05-Oct 53 93.1 94.0 129 1982-2015 26
    ROOSEVELT RADIO 24-Apr 18-May 15-May 14-Jun 26-Aug 25-Sep 25-Sep 28-Oct 84 129.7 130.0 169 1948-2015 63
    ROSEBUD UTAH 25-Apr 13-May 11-May 03-Jun 28-Sep 07-Oct 03-Oct 26-Oct 127 143.5 145.5 156 2011-2015 4
    ROSETTE 27-Apr 27-May 28-May 20-Jun 26-Aug 27-Sep 27-Sep 12-Oct 74 124.3 121.0 157 1990-2015 19
    SAHARA 02-May 20-May 15-May 12-Jun 12-Sep 17-Sep 18-Sep 23-Sep 131 132.0 132.0 133 1913-1915 2
    SALDURO 15-Mar 14-Apr 20-Apr 27-Apr 10-Oct 28-Oct 02-Nov 06-Nov 166 196.4 194.0 236 1921-1926 5
    SALINA 28-Apr 29-May 26-May 30-Jun 17-Aug 18-Sep 17-Sep 14-Oct 54 112.0 115.0 156 1924-2011 46
    SALINA 24 E 08-May 01-Jun 29-May 22-Jul 02-Sep 24-Sep 24-Sep 15-Oct 48 117.3 116.0 142 1986-2015 24
    SALINE 05-May 11-May 10-May 16-May 14-Oct 15-Oct 16-Oct 17-Oct 154 154.0 154.0 154 1966-1968 1
    SALT LAKE CITY 19-Mar 13-Apr 13-Apr 02-May 11-Oct 31-Oct 31-Oct 21-Nov 175 202.7 204.5 233 1928-1954 26
    SALT LAKE CITY E BENCH 31-Mar 27-Apr 29-Apr 13-May 18-Sep 18-Oct 22-Oct 03-Nov 139 173.6 173.5 216 1990-2005 10
    SALT LAKE CITY INTL AP 11-Mar 25-Apr 26-Apr 28-May 17-Sep 19-Oct 20-Oct 14-Nov 125 178.0 181.0 237 1948-2015 67
    SALT LAKE CITY SUB SEW 20-Apr 05-May 04-May 18-May 15-Sep 04-Oct 06-Oct 25-Oct 127 151.3 155.0 176 1967-1978 9
    SALT LAKE TRIAD CTR 16-Feb 08-Apr 19-Apr 01-May 27-Oct 07-Nov 05-Nov 21-Nov 182 212.0 204.0 261 1985-2015 8
    SALTAIR 17-Mar 15-Apr 14-Apr 02-Jun 20-Sep 24-Oct 24-Oct 17-Nov 137 190.5 188.0 238 1903-1942 21
    SALTAIR SALT PLT 06-Mar 30-Apr 30-Apr 01-Jun 17-Sep 15-Oct 14-Oct 17-Nov 130 168.9 166.0 237 1956-1991 19
    SANDY RCH 21-Apr 11-May 10-May 20-Jun 03-Sep 24-Sep 25-Sep 14-Oct 75 134.8 136.0 166 1964-1988 9
    SANTAQUIN CHLORINATOR 06-Apr 16-May 15-May 17-Jun 09-Sep 04-Oct 05-Oct 05-Nov 96 142.9 141.5 183 1914-2015 86
    SCIPIO 05-May 08-Jun 07-Jun 20-Jul 13-Aug 14-Sep 15-Sep 14-Oct 24 99.1 98.0 140 1895-2015 103
    SCOFIELD 18-Jun 09-Jul 10-Jul 24-Jul 27-Jul 11-Aug 09-Aug 11-Sep 7 34.0 30.5 71 1893-1984 24
    SCOFIELD DAM 24-May 22-Jun 22-Jun 23-Jul 06-Aug 04-Sep 10-Sep 04-Oct 29 74.5 80.0 109 1948-2015 41
    SCOFIELD-SKYLINE MINE 07-Jun 22-Jun 18-Jun 23-Jul 08-Aug 09-Sep 11-Sep 05-Oct 38 79.8 83.0 117 1984-2015 28
    SEELEY CREEK 24-May 18-Jun 17-Jun 22-Jul 24-Aug 12-Sep 12-Sep 06-Oct 49 86.7 86.0 117 1981-2015 26
    SEVERE RCH 26-Jun 26-Jun 26-Jun 26-Jun 31-Jul 31-Jul 31-Jul 31-Jul 35 35.0 35.0 35 1950-1951 1
    SEVIER BRIDGE DAM 05-May 28-May 30-May 20-Jun 31-Aug 15-Sep 15-Sep 05-Oct 85 108.9 112.0 131 1922-1932 7
    *Stations with 0 years include at least one good spring or fall season
    †Freeze-Free seasons with 1 day could be frozen all year; 729 or 730 days represent years that could have been "Freeze-Free" all year (730 would indicate a leap year)

    Station Name Last spring freeze First fall freeze Freeze-free Period Years
    Early Avg Median Late Early Avg Median Late Short Avg Median Long
    SEVIER DRY LAKE 26-May 03-Jun 01-Jun 13-Jun 14-Aug 09-Sep 09-Sep 05-Oct 62 97.0 97.0 132 1988-1993 2
    SEVIER RESERVOIR - SCIPIO 9NNE 17-Apr 09-May 07-May 01-Jun 17-Sep 07-Oct 07-Oct 30-Oct 111 151.7 154.0 184 1988-2015 25
    SHIFTING SANDS RCH 19-Mar 13-Apr 11-Apr 12-May 08-Oct 18-Oct 18-Oct 28-Oct 169 181.3 172.0 203 1989-1992 3
    SIGNAL PEAK - MONROE 5E UTAH 27-Apr 01-Jun 31-May 25-Jun 04-Sep 26-Sep 28-Sep 25-Oct 86 118.0 114.0 156 1983-2015 31
    SIGURD U P & L 03-May 17-May 13-May 08-Jun 12-Sep 26-Sep 26-Sep 15-Oct 96 132.3 133.0 165 1980-1995 13
    SILVER LAKE BRIGHTON 30-May 30-Jun 28-Jun 24-Jul 26-Jul 27-Aug 28-Aug 23-Sep 9 59.1 61.0 98 1915-2015 74
    SINGLETREE 04-Jun 06-Jun 06-Jun 08-Jun 08-Sep 19-Sep 20-Sep 01-Oct 92 105.5 105.5 119 1893-1894 2
    SMITH & MOREHOUSE 16-May 15-Jun 16-Jun 05-Jul 27-Jul 08-Sep 14-Sep 04-Oct 22 85.2 88.5 128 1979-2015 24
    SMITHFIELD 03-May 17-May 09-May 03-Jun 12-Sep 19-Sep 22-Sep 29-Sep 107 126.0 132.0 137 1925-1930 5
    SNAKE CREEK POWERHOUSE 14-May 14-Jun 14-Jun 07-Jul 29-Jul 09-Sep 11-Sep 14-Oct 35 87.0 86.0 140 1914-2015 89
    SNOWBIRD 13-May 11-Jun 10-Jun 07-Jul 01-Sep 20-Sep 21-Sep 07-Oct 81 102.6 103.0 140 1990-2015 24
    SNOWBIRD 15-Aug 15-Aug 15-Aug 15-Aug 1977-1979 0*
    SNOWVILLE 26-Apr 10-Jun 11-Jun 10-Jul 28-Jul 11-Sep 12-Sep 03-Nov 22 94.3 96.0 145 1893-1991 67
    SNYDERVILLE 22-Jun 04-Jul 07-Jul 13-Jul 30-Jul 17-Aug 17-Aug 04-Sep 38 46.5 44.5 59 1993-2015 4
    SOLDIER CREEK 09-Jul 17-Jul 16-Jul 24-Jul 28-Jul 31-Jul 30-Jul 09-Aug 9 15.3 16.5 19 1969-1973 4
    SOLDIER SUMMIT 27-May 03-Jul 03-Jul 23-Jul 26-Jul 24-Aug 27-Aug 09-Oct 9 53.5 54.0 97 1893-2002 56
    SPANISH FORK 1 S 15-Apr 07-May 11-May 20-May 21-Sep 02-Oct 01-Oct 22-Oct 125 148.7 146.0 183 1950-1959 9
    SPANISH FORK PWR HOUSE 25-Mar 02-May 02-May 14-Jun 05-Sep 13-Oct 15-Oct 13-Nov 116 165.7 164.0 223 1909-2015 100
    SPANISH VALLEY 25 SW 15-Apr 17-Apr 17-Apr 19-Apr 25-Oct 29-Oct 30-Oct 03-Nov 193 195.5 195.5 198 2012-2014 2
    ST GEORGE 12-Feb 03-Apr 30-Mar 20-May 21-Sep 28-Oct 31-Oct 25-Nov 135 206.9 211.0 268 1893-2015 93
    ST GEORGE CAA AP 16-Mar 27-Mar 25-Mar 12-Apr 21-Oct 04-Nov 05-Nov 18-Nov 205 222.7 224.0 239 1948-1954 6
    ST. GEORGE 15 NE 23-Feb 01-Mar 01-Mar 07-Mar 03-Dec 03-Dec 03-Dec 03-Dec 283 283.0 283.0 283 2011-2012 1
    ST. JOHN 27-Apr 13-Jun 15-Jun 19-Jul 22-Aug 08-Sep 09-Sep 20-Sep 42 88.3 88.0 136 1911-1929 13
    STANDROD 15-May 06-Jun 05-Jun 22-Jun 05-Sep 23-Sep 22-Sep 19-Oct 81 107.2 112.0 144 1910-1942 9
    STEEL CREEK PARK 29-May 30-Jun 27-Jun 24-Jul 25-Jul 21-Aug 23-Aug 19-Sep 1 49.9 51.0 90 1979-2015 24
    STRAWBERRY DIVIDE 13-May 10-Jun 11-Jun 14-Jul 25-Aug 18-Sep 16-Sep 07-Oct 61 100.3 102.0 140 1979-2015 22
    STRAWBERRY HWY STN 17-Jul 17-Jul 17-Jul 17-Jul 02-Aug 17-Aug 18-Aug 02-Sep 47 47.0 47.0 47 1954-1984 1
    STRAWBERRY HWY STN 27-Jun 13-Jul 16-Jul 20-Jul 25-Jul 07-Aug 07-Aug 21-Aug 10 25.8 19.0 55 1962-1968 4
    STRAWBERRY RSVR EAST P 31-May 04-Jul 04-Jul 23-Jul 25-Jul 18-Aug 24-Aug 13-Sep 8 46.0 51.0 105 1956-1977 19
    STRAWBERRY TUNNEL WEST 09-Jun 24-Jun 23-Jun 09-Jul 25-Aug 06-Sep 06-Sep 20-Sep 59 74.8 78.5 83 1909-1913 4
    *Stations with 0 years include at least one good spring or fall season
    †Freeze-Free seasons with 1 day could be frozen all year; 729 or 730 days represent years that could have been "Freeze-Free" all year (730 would indicate a leap year)

    Station Name Last spring freeze First fall freeze Freeze-free Period Years
    Early Avg Median Late Early Avg Median Late Short Avg Median Long
    SUNDANCE 13-May 31-May 26-May 22-Jun 13-Sep 26-Sep 27-Sep 10-Oct 104 119.6 117.5 135 1996-2008 10
    SUNNYSIDE 22-Apr 25-May 25-May 03-Jul 03-Sep 03-Oct 03-Oct 30-Oct 77 132.8 134.0 176 1905-1988 28
    SUNNYSIDE CITY 13-Apr 29-Apr 02-May 07-May 01-Oct 14-Oct 16-Oct 26-Oct 157 170.5 165.0 195 2009-2013 4
    SUNNYSIDE CITY CTR 30-Apr 22-May 23-May 14-Jun 13-Sep 02-Oct 04-Oct 24-Oct 104 133.6 133.0 168 1989-2008 17
    TABIONA 1 SE 12-Jun 28-Jun 04-Jul 06-Jul 12-Sep 12-Sep 12-Sep 12-Sep 68 68.0 68.0 68 1982-1985 1
    TEASDALE 27-Apr 27-May 27-May 15-Jun 05-Sep 19-Sep 19-Sep 19-Oct 92 115.3 112.5 151 1895-1920 12
    TELEGRAPH FLAT - KANAB 17E UTA 11-Apr 15-May 16-May 18-Jun 17-Sep 11-Oct 09-Oct 01-Nov 105 148.3 149.0 194 1988-2015 25
    TEMPLE FORK 13-May 04-Jun 08-Jun 18-Jun 06-Sep 24-Sep 25-Sep 09-Oct 81 110.6 113.0 140 2003-2015 11
    TERRACE 11-May 24-May 25-May 03-Jun 10-Sep 13-Sep 14-Sep 17-Sep 106 107.0 107.0 108 1899-1904 2
    THAYNES CANYON 13-May 12-Jun 12-Jun 02-Jul 22-Aug 15-Sep 16-Sep 05-Oct 55 96.4 98.5 131 1988-2015 24
    THIOKOL PROPULSION F S 01-May 26-May 20-May 30-Jun 26-Aug 21-Sep 20-Sep 19-Oct 72 120.4 120.5 158 1962-2009 42
    THISTLE 01-Apr 07-Jun 14-Jun 10-Jul 13-Aug 07-Sep 02-Sep 24-Oct 36 95.8 88.0 202 1894-1913 13
    THISTLE 2 SW 16-Jun 03-Jul 02-Jul 21-Jul 29-Jul 04-Aug 02-Aug 15-Aug 22 32.4 31.0 45 1975-1979 5
    THISTLE 3 N 24-May 18-Jun 19-Jun 21-Jul 30-Jul 01-Sep 05-Sep 04-Oct 32 74.5 76.0 116 1915-1947 22
    THOMPSON 01-Apr 27-Apr 28-Apr 25-May 15-Sep 19-Oct 20-Oct 15-Nov 135 175.8 176.0 208 1911-1994 50
    TIMPANOGOS CAVE 03-Apr 13-May 11-May 03-Jul 25-Aug 09-Oct 08-Oct 12-Nov 53 150.3 150.0 205 1947-2014 54
    TIMPANOGOS DIVIDE 13-May 08-Jun 09-Jun 22-Jul 27-Aug 19-Sep 20-Sep 07-Oct 40 104.0 106.5 140 1979-2015 24
    TOM BEST SPRING UTAH 19-May 12-Jun 11-Jun 26-Jun 31-Aug 14-Sep 16-Sep 02-Oct 66 93.1 90.0 127 1998-2015 16
    TONY GROVE LAKE 14-May 15-Jun 17-Jun 24-Jul 25-Jul 14-Sep 18-Sep 03-Oct 1 90.9 90.0 130 1979-2015 19
    TOOELE 15-Mar 07-May 06-May 03-Jul 13-Sep 15-Oct 17-Oct 08-Nov 106 161.7 163.0 234 1896-2015 117
    TOPAZ 04-May 12-May 11-May 19-May 03-Oct 08-Oct 08-Oct 13-Oct 147 149.5 149.5 152 1943-1944 2
    TOQUERVILLE 12-Apr 12-Apr 12-Apr 12-Apr 31-Oct 31-Oct 31-Oct 31-Oct 202 202.0 202.0 202 1941-1942 1
    TORREY 7 E 13-Apr 27-Apr 29-Apr 07-May 06-Oct 19-Oct 25-Oct 30-Oct 158 173.9 172.0 195 2008-2015 7
    TREMONTON 20-Mar 05-May 04-May 11-Jun 10-Sep 07-Oct 07-Oct 31-Oct 108 156.8 154.0 209 1914-2010 39
    TRENTON 27-Apr 28-May 31-May 19-Jul 30-Jul 19-Sep 19-Sep 28-Oct 54 115.6 114.0 176 1944-2015 29
    TRIAL LAKE 30-May 25-Jun 21-Jun 22-Jul 26-Jul 30-Aug 01-Sep 04-Oct 4 67.7 69.0 106 1979-2015 25
    TROPIC 27-Apr 02-Jun 31-May 24-Jul 25-Jul 23-Sep 24-Sep 22-Oct 1 114.0 117.0 172 1893-1999 77
    TROPIC 9 SE 04-May 23-May 27-May 03-Jun 28-Sep 14-Oct 16-Oct 26-Oct 126 144.0 148.0 154 2009-2014 4
    TROUT CREEK 30-May 29-Jun 27-Jun 24-Jul 25-Jul 23-Aug 24-Aug 19-Sep 1 55.0 57.0 106 1980-2015 26
    TULE VALLEY - DELTA 49W UTAH 18-Mar 23-Apr 19-Apr 01-Jun 01-Oct 24-Oct 26-Oct 14-Nov 128 184.2 188.0 230 1988-2015 25
    *Stations with 0 years include at least one good spring or fall season
    †Freeze-Free seasons with 1 day could be frozen all year; 729 or 730 days represent years that could have been "Freeze-Free" all year (730 would indicate a leap year)

    Station Name Last spring freeze First fall freeze Freeze-free Period Years
    Early Avg Median Late Early Avg Median Late Short Avg Median Long
    UINTALANDS 19-Jun 04-Jul 05-Jul 19-Jul 27-Jul 25-Aug 01-Sep 21-Sep 20 53.5 54.0 90 1978-1989 11
    UINTALANDS JACKSON 25-Jun 27-Jun 27-Jun 29-Jun 25-Aug 25-Aug 25-Aug 25-Aug 61 61.0 61.0 61 1989-1991 1
    UNIV OF UTAH 03-Apr 03-May 30-Apr 06-Jun 13-Sep 21-Oct 23-Oct 19-Nov 136 173.0 173.0 208 1914-1990 28
    UPPER P.R. CANYON UTAH 09-May 30-May 30-May 26-Jun 26-Aug 22-Sep 22-Sep 25-Oct 85 115.9 114.0 148 1983-2015 31
    UPPER SAND WASH UTAH 30-Apr 22-May 24-May 17-Jun 08-Sep 26-Sep 25-Sep 25-Oct 86 127.1 127.0 166 1984-2015 28
    UTAH LAKE LEHI 13-Apr 16-May 14-May 30-Jun 08-Sep 28-Sep 28-Sep 28-Oct 82 136.8 135.5 185 1904-2015 80
    UTAH TEST RANGE 20-Apr 18-May 21-May 29-May 14-Sep 02-Oct 05-Oct 24-Oct 119 133.6 131.0 164 1991-2015 8
    VERNAL 1S 29-Apr 01-May 01-May 03-May 28-Sep 03-Oct 05-Oct 07-Oct 148 154.5 154.5 161 2011-2015 2
    VERNAL 23 SSE 28-Apr 01-May 30-Apr 03-May 28-Sep 01-Oct 01-Oct 04-Oct 148 153.5 153.5 159 2012-2014 2
    VERNAL MUNICIPAL AP 16-Apr 26-May 23-May 07-Jul 27-Aug 22-Sep 22-Sep 25-Oct 62 120.0 118.5 160 1895-2015 98
    VERNON 11-May 02-Jun 01-Jun 30-Jun 20-Aug 19-Sep 21-Sep 09-Oct 75 109.3 112.0 140 1954-2015 40
    VERNON - VERNON 10N UTAH 02-May 29-May 30-May 18-Jun 16-Aug 22-Sep 24-Sep 11-Oct 81 115.7 116.0 155 1991-2015 24
    VERNON CREEK 21-Apr 03-Jun 01-Jun 02-Jul 12-Aug 23-Sep 25-Sep 10-Nov 41 111.8 113.5 203 1979-2015 30
    VEYO PWR HOUSE 03-Mar 28-Apr 27-Apr 14-Jun 14-Sep 21-Oct 23-Oct 21-Nov 106 176.4 181.0 242 1958-2015 41
    WAH WAH RCH 05-May 29-May 26-May 01-Jul 03-Aug 24-Sep 24-Sep 21-Oct 74 118.5 121.0 153 1956-2008 45
    WANSHIP DAM 14-May 16-Jun 18-Jun 08-Jul 26-Jul 03-Sep 07-Sep 29-Sep 28 78.9 80.0 130 1956-2015 58
    WATSON NEAR 04-May 26-May 28-May 03-Jul 30-Aug 24-Sep 25-Sep 14-Oct 89 121.3 118.0 163 1911-1928 17
    WEBER BSN PUMP PLT 3 02-May 21-May 21-May 06-Jun 28-Sep 08-Oct 07-Oct 23-Oct 124 141.5 139.5 163 1962-2015 4
    WEBSTER FLAT 29-Apr 05-Jun 05-Jun 02-Jul 25-Jul 24-Sep 28-Sep 21-Oct 39 111.8 112.5 154 1981-2015 24
    WELLINGTON 14-May 06-Jun 06-Jun 06-Jul 20-Aug 08-Sep 12-Sep 22-Sep 74 97.9 97.0 127 1900-1942 7
    WELLINGTON 3 E 18-May 03-Jun 02-Jun 13-Jun 07-Sep 22-Sep 22-Sep 03-Oct 99 113.1 109.0 137 1980-2015 8
    WENDOVER 1SSW 14-Apr 14-Apr 14-Apr 14-Apr 28-Oct 28-Oct 28-Oct 28-Oct 197 197.0 197.0 197 2014-2015 1
    WENDOVER AP AWOS 13-Mar 19-Apr 20-Apr 09-Jun 11-Sep 21-Oct 23-Oct 11-Nov 127 186.0 187.5 237 1911-2015 88
    WENDOVER DARBY AFB 27-Mar 29-Mar 28-Mar 30-Mar 19-Oct 19-Oct 19-Oct 19-Oct 203 203.0 203.0 203 1949-1957 1
    WEST DESERT PUMP STN 29-May 29-May 29-May 29-May 04-Nov 04-Nov 04-Nov 04-Nov 159 159.0 159.0 159 1988-1989 1
    WHEELER FARM 27-Apr 17-May 20-May 30-May 27-Sep 29-Sep 27-Sep 05-Oct 126 140.0 133.0 161 1996-2000 3
    WHITE RIVER #1 20-May 16-Jun 15-Jun 22-Jul 24-Aug 15-Sep 16-Sep 06-Oct 53 91.4 91.0 117 1979-2015 25
    WIDSTOE #3 21-May 09-Jun 10-Jun 25-Jun 04-Sep 20-Sep 20-Sep 07-Oct 78 103.6 106.5 124 1979-2015 26
    WIDTSOE 3 NNE 27-May 09-Jun 06-Jun 03-Jul 30-Aug 16-Sep 13-Sep 16-Oct 75 100.4 95.0 132 1912-2005 14
    WILLIAMS RCH 31-May 17-Jun 17-Jun 03-Jul 11-Aug 21-Aug 19-Aug 04-Sep 39 65.0 62.5 96 1960-1968 4
    *Stations with 0 years include at least one good spring or fall season
    †Freeze-Free seasons with 1 day could be frozen all year; 729 or 730 days represent years that could have been "Freeze-Free" all year (730 would indicate a leap year)

    Station Name Last spring freeze First fall freeze Freeze-free Period Years
    Early Avg Median Late Early Avg Median Late Short Avg Median Long
    WOODRUFF 19-May 27-Jun 27-Jun 24-Jul 25-Jul 20-Aug 22-Aug 22-Sep 1 54.9 57.5 107 1897-2015 104
    WOODSIDE 16-Apr 11-May 14-May 29-May 14-Sep 27-Sep 28-Sep 14-Oct 123 140.2 128.0 181 1911-1958 5
    YELLOW PINE 16-Jun 16-Jun 16-Jun 16-Jun 09-Sep 13-Sep 14-Sep 18-Sep 94 94.0 94.0 94 1917-1919 1
    ZION NP 05-Mar 16-Apr 17-Apr 14-May 03-Oct 30-Oct 30-Oct 24-Nov 160 198.7 197.0 242 1904-2015 94
    ZION PARK LODGE 22-May 22-May 22-May 22-May 14-Nov 14-Nov 14-Nov 14-Nov 1928-1930 0*
    *Stations with 0 years include at least one good spring or fall season
    †Freeze-Free seasons with 1 day could be frozen all year; 729 or 730 days represent years that could have been "Freeze-Free" all year (730 would indicate a leap year)