Last Frost Day

Frost history / Cedar Pt, UT

Cedar Pt, UT: frost dates by year

Last spring and first fall frost at NOAA station USC00421308, 1957 to 2017, measured from daily minimum temperatures.

Elevation 6,760 ft, 37.716, -109.083. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianMay 21Oct 7
EarliestApr 28 (1969)Sep 3 (1959)
LatestJun 12 (1975)Oct 29 (2014)
Trendlittle change (less than half a day per decade)1.0 days later per decade
Years with data5556

At 28°F (hard freeze) the median last spring date is May 7 and the median first fall date is Oct 17.

The trend is a straight-line fit through the years with a freeze. A positive spring trend means the last frost now comes later. Short or patchy records give noisy trends.

Chart

Last spring frost (32°F)

Apr 15Apr 30May 15May 30Jun 14Jun 291960197019801990200020101957: May 251958: Jun 31959: May 271960: May 251961: May 141964: May 91966: May 141967: May 151968: May 251969: Apr 281970: May 31971: May 231972: May 221973: May 271974: Jun 91975: Jun 121976: May 31977: May 191978: May 181979: May 121980: May 271981: May 241982: May 121983: May 211984: May 91985: May 151986: May 121987: May 291988: Jun 11989: Jun 11990: Jun 31991: Jun 11992: May 111993: May 91994: May 211996: May 271997: May 271998: May 151999: Jun 62000: May 182001: May 52002: May 232003: May 112004: May 142005: May 132007: Jun 82008: May 242009: Apr 282010: May 252012: May 282013: May 202014: May 152015: May 162016: May 82017: May 21

First fall frost (32°F)

Aug 28Sep 12Sep 27Oct 12Oct 27Nov 111960197019801990200020101957: Oct 131958: Sep 181959: Sep 31960: Oct 71964: Oct 221965: Sep 201966: Oct 131967: Oct 161968: Sep 171969: Oct 31970: Oct 71971: Sep 181972: Oct 211973: Oct 91974: Oct 281975: Oct 91976: Oct 71977: Oct 91978: Sep 201979: Oct 211980: Oct 161981: Oct 161982: Oct 61983: Oct 141984: Sep 301985: Sep 291986: Sep 301987: Oct 171988: Oct 271989: Oct 61990: Oct 91991: Oct 261992: Oct 81994: Oct 91995: Sep 221996: Sep 191997: Oct 91998: Oct 51999: Sep 292000: Sep 242001: Oct 112002: Oct 42003: Oct 142005: Oct 62006: Sep 162007: Sep 302008: Oct 122009: Oct 12010: Oct 262011: Oct 72012: Oct 72013: Oct 42014: Oct 292015: Oct 262016: Oct 52017: Oct 4

Dots are single years. The gray line is the median, the green line the fitted trend.

Year by year

YearLast spring 32°FFirst fall 32°FLast spring 28°FFirst fall 28°F
2017May 21Oct 4May 20Oct 10
2016May 8Oct 5Apr 27Nov 18
2015May 16Oct 26Apr 19Nov 5
2014May 15Oct 29May 15Nov 5
2013May 20Oct 4May 3Oct 4
2012May 28Oct 7Apr 17Oct 25
2011no dataOct 7no dataOct 7
2010May 25Oct 26May 13Oct 26
2009Apr 28Oct 1Apr 28Oct 1
2008May 24Oct 12May 5Oct 12
2007Jun 8Sep 30Apr 23Sep 30
2006no dataSep 16no dataOct 19
2005May 13Oct 6May 11Nov 6
2004May 14no dataApr 23no data
2003May 11Oct 14May 11Oct 26
2002May 23Oct 4May 23Oct 4
2001May 5Oct 11May 4Oct 11
2000May 18Sep 24Apr 20Oct 16
1999Jun 6Sep 29Jun 5Oct 16
1998May 15Oct 5May 15Oct 6
1997May 27Oct 9May 4Oct 13
1996May 27Sep 19Apr 30Sep 19
1995no dataSep 22no dataOct 6
1994May 21Oct 9Apr 30Oct 16
1993May 9no dataMay 6no data
1992May 11Oct 8Apr 21Oct 8
1991Jun 1Oct 26Jun 1Oct 28
1990Jun 3Oct 9May 9Oct 9
1989Jun 1Oct 6May 12Oct 18
1988Jun 1Oct 27May 31Nov 5
1987May 29Oct 17Apr 21Oct 21
1986May 12Sep 30May 10Oct 12
1985May 15Sep 29May 14Nov 2
1984May 9Sep 30May 8Oct 15
1983May 21Oct 14May 17Nov 9
1982May 12Oct 6Apr 22Oct 6
1981May 24Oct 16May 24Oct 26
1980May 27Oct 16May 26Oct 17
1979May 12Oct 21May 12Oct 22
1978May 18Sep 20May 8Oct 26
1977May 19Oct 9May 19Nov 1
1976May 3Oct 7May 1Oct 19
1975Jun 12Oct 9May 7Oct 9
1974Jun 9Oct 28May 21Oct 29
1973May 27Oct 9May 2Oct 11
1972May 22Oct 21May 11Oct 29
1971May 23Sep 18Apr 28Sep 18
1970May 3Oct 7May 1Oct 8
1969Apr 28Oct 3Apr 27Oct 5
1968May 25Sep 17May 7Oct 17
1967May 15Oct 16May 6Oct 29
1966May 14Oct 13May 11Oct 14
1965no dataSep 20no dataSep 21
1964May 9Oct 22May 5Oct 24
1961May 14no dataApr 26no data
1960May 25Oct 7May 25Oct 12
1959May 27Sep 3May 22Nov 5
1958Jun 3Sep 18Apr 29Oct 22
1957May 25Oct 13May 22Oct 23

"none" means the station recorded no freeze at that threshold in that half of the year. "no data" means more than 10% of the season's daily readings were missing. Years with no usable data are left out. See the methodology for the rules, and the ZIP lookup for 1991 to 2020 frost probabilities.