Last Frost Day

Frost history / Fairmont, NE

Fairmont, NE: frost dates by year

Last spring and first fall frost at NOAA station USC00252840, 1951 to 2011, measured from daily minimum temperatures.

Elevation 1,640 ft, 40.642, -97.593. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianApr 26Oct 13
EarliestMar 30 (1991)Sep 18 (1991)
LatestMay 22 (1963)Nov 3 (1998)
Trend1.0 days earlier per decadelittle change (less than half a day per decade)
Years with data5754

At 28°F (hard freeze) the median last spring date is Apr 13 and the median first fall date is Oct 20.

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)

Mar 16Mar 31Apr 15Apr 30May 15May 301960197019801990200020101951: Apr 221952: Apr 151953: May 141954: May 91956: May 21957: Apr 141958: Apr 291959: Apr 221960: Apr 301961: May 91962: Apr 151963: May 221964: Apr 91965: Apr 281966: May 131967: May 41968: Apr 241969: Apr 61970: Apr 231971: May 21972: Apr 241973: Apr 161975: Apr 191976: May 31977: Apr 51978: Apr 211979: May 111980: May 81981: May 101982: Apr 221983: Apr 181984: Apr 61985: Apr 91987: Apr 51988: Apr 271989: May 51990: Apr 271991: Mar 301992: Apr 261993: Apr 51994: Apr 301995: Apr 271996: Apr 301997: May 121998: Apr 182000: Apr 222001: Apr 192002: Apr 262003: Apr 102004: Apr 142005: May 42006: Apr 262007: Apr 162008: Apr 292009: Apr 292010: Apr 172011: May 3

First fall frost (32°F)

Sep 12Sep 27Oct 12Oct 27Nov 111960197019801990200020101951: Sep 281953: Oct 241954: Oct 161956: Oct 231957: Oct 251958: Oct 11961: Oct 191962: Oct 251963: Oct 291964: Oct 51965: Sep 241966: Oct 11967: Oct 251968: Oct 211969: Oct 141971: Oct 291972: Oct 181973: Oct 281974: Oct 71975: Oct 181976: Oct 81977: Oct 121978: Oct 61979: Oct 131980: Oct 31981: Oct 191982: Oct 201983: Oct 131984: Sep 291986: Oct 111987: Oct 101988: Oct 31989: Sep 221990: Oct 91991: Sep 181992: Oct 81993: Oct 81994: Oct 241995: Sep 211996: Oct 171997: Oct 251998: Nov 31999: Oct 22000: Oct 62001: Oct 162002: Oct 132003: Oct 162004: Oct 22005: Oct 72006: Oct 122007: Oct 262008: Oct 272009: Oct 92010: Oct 28

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
2011May 3no dataMay 3no data
2010Apr 17Oct 28Mar 26Oct 28
2009Apr 29Oct 9Apr 8Oct 10
2008Apr 29Oct 27Apr 15Oct 27
2007Apr 16Oct 26Apr 14Nov 2
2006Apr 26Oct 12Mar 28Oct 12
2005May 4Oct 7May 4Oct 7
2004Apr 14Oct 2Apr 14Oct 14
2003Apr 10Oct 16Apr 10Oct 26
2002Apr 26Oct 13Apr 5Oct 23
2001Apr 19Oct 16Apr 17Oct 17
2000Apr 22Oct 6Apr 21Oct 6
1999no dataOct 2no dataOct 18
1998Apr 18Nov 3Mar 21Nov 10
1997May 12Oct 25Apr 13Oct 25
1996Apr 30Oct 17Apr 12Oct 29
1995Apr 27Sep 21Apr 4Sep 21
1994Apr 30Oct 24Apr 6Oct 24
1993Apr 5Oct 8Apr 5Oct 9
1992Apr 26Oct 8Apr 22Oct 16
1991Mar 30Sep 18Mar 30Oct 5
1990Apr 27Oct 9Apr 17Oct 17
1989May 5Sep 22Apr 15Oct 17
1988Apr 27Oct 3Apr 18Oct 27
1987Apr 5Oct 10Apr 3Oct 10
1986no dataOct 11no dataOct 12
1985Apr 9no dataApr 9no data
1984Apr 6Sep 29Apr 1Sep 29
1983Apr 18Oct 13Apr 15Nov 10
1982Apr 22Oct 20Apr 22Oct 21
1981May 10Oct 19Mar 20Oct 22
1980May 8Oct 3Apr 14Oct 25
1979May 11Oct 13Apr 9Oct 13
1978Apr 21Oct 6Apr 21Oct 16
1977Apr 5Oct 12Apr 5Oct 12
1976May 3Oct 8May 3Oct 16
1975Apr 19Oct 18Apr 3Oct 25
1974no dataOct 7no dataOct 15
1973Apr 16Oct 28Apr 10Oct 29
1972Apr 24Oct 18Apr 9Oct 19
1971May 2Oct 29Apr 9Nov 6
1970Apr 23no dataApr 14no data
1969Apr 6Oct 14Mar 31Oct 14
1968Apr 24Oct 21Apr 5Oct 28
1967May 4Oct 25May 4Oct 25
1966May 13Oct 1May 13Oct 16
1965Apr 28Sep 24Apr 28Oct 22
1964Apr 9Oct 5Apr 9Oct 9
1963May 22Oct 29Apr 23Nov 1
1962Apr 15Oct 25Apr 13Oct 25
1961May 9Oct 19Apr 28Oct 19
1960Apr 30no dataApr 10no data
1959Apr 22no dataApr 14no data
1958Apr 29Oct 1Apr 29Oct 26
1957Apr 14Oct 25Apr 13Oct 25
1956May 2Oct 23Apr 24Oct 26
1954May 9Oct 16May 3Nov 22
1953May 14Oct 24May 14Oct 27
1952Apr 15no dataApr 10no data
1951Apr 22Sep 28Apr 16Sep 28

"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.