Last Frost Day

Frost history / Canaday Steam Plt, NE

Canaday Steam Plt, NE: frost dates by year

Last spring and first fall frost at NOAA station USC00251450, 1962 to 2025, measured from daily minimum temperatures.

Elevation 2,362 ft, 40.694, -99.701. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianMay 2Oct 9
EarliestApr 6 (1977)Sep 3 (1974)
LatestMay 29 (1992)Nov 2 (1998)
Trend1.0 days earlier per decade0.7 days later per decade
Years with data5962

At 28°F (hard freeze) the median last spring date is Apr 18 and the median first fall date is Oct 19.

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 31Apr 15Apr 30May 15May 30Jun 141970198019902000201020201962: Apr 281963: May 221964: May 131965: Apr 281966: May 241968: May 211969: Apr 181970: May 21971: Apr 281972: May 71973: May 31974: Apr 171975: May 11976: May 71977: Apr 61978: May 61979: May 111980: May 81981: May 111982: Apr 221983: May 151984: May 81985: Apr 141986: Apr 211988: Apr 271989: May 61990: May 21991: May 61992: May 291993: Apr 211994: May 11995: Apr 281996: Apr 221997: May 111998: Apr 171999: Apr 222000: Apr 212001: Apr 232002: May 22003: Apr 102004: May 142005: May 32006: Apr 282008: May 112009: Apr 282010: Apr 182011: May 32012: Apr 112013: May 52014: May 152015: May 212016: Apr 102017: May 12018: Apr 272019: May 112020: May 102021: May 112024: Apr 222025: Apr 20

First fall frost (32°F)

Aug 28Sep 12Sep 27Oct 12Oct 27Nov 111970198019902000201020201962: Oct 251963: Oct 281964: Sep 271965: Sep 241966: Oct 11967: Sep 271968: Oct 251969: Oct 81970: Oct 71971: Oct 131972: Oct 181973: Oct 281974: Sep 31975: Oct 11976: Sep 281977: Oct 111978: Oct 61979: Oct 231980: Oct 31981: Oct 231982: Oct 111983: Sep 211984: Sep 281985: Sep 241987: Oct 101988: Oct 41989: Sep 231990: Oct 91991: Sep 191992: Oct 91993: Oct 91994: Oct 91995: Sep 201996: Oct 171997: Oct 241998: Nov 21999: Oct 12000: Sep 252001: Oct 62002: Oct 132003: Oct 172004: Oct 142005: Sep 292006: Oct 122007: Oct 232008: Oct 232009: Oct 92010: Oct 172011: Sep 302012: Oct 32013: Oct 162014: Sep 132015: Oct 162016: Oct 72017: Oct 112018: Oct 112019: Oct 112020: Oct 192021: Oct 142023: Oct 72024: Oct 142025: Oct 19

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
2025Apr 20Oct 19Apr 19Oct 24
2024Apr 22Oct 14Apr 13Nov 14
2023no dataOct 7no dataOct 27
2021May 11Oct 14Apr 22Nov 5
2020May 10Oct 19Apr 18Oct 23
2019May 11Oct 11Apr 14Oct 11
2018Apr 27Oct 11Apr 20Oct 11
2017May 1Oct 11Apr 27Oct 27
2016Apr 10Oct 7Apr 10Nov 12
2015May 21Oct 16Apr 22Oct 29
2014May 15Sep 13May 2Oct 28
2013May 5Oct 16May 4Oct 31
2012Apr 11Oct 3Mar 10Oct 7
2011May 3Sep 30Mar 29Oct 20
2010Apr 18Oct 17Apr 3Nov 1
2009Apr 28Oct 9Apr 8Oct 9
2008May 11Oct 23Apr 13Oct 27
2007no dataOct 23no dataNov 1
2006Apr 28Oct 12Apr 9Oct 12
2005May 3Sep 29May 3Oct 6
2004May 14Oct 14Apr 14Oct 14
2003Apr 10Oct 17Apr 9Oct 26
2002May 2Oct 13Apr 25Oct 23
2001Apr 23Oct 6Apr 17Oct 26
2000Apr 21Sep 25Apr 21Oct 6
1999Apr 22Oct 1Apr 17Oct 1
1998Apr 17Nov 2Apr 16Nov 9
1997May 11Oct 24Apr 13Oct 24
1996Apr 22Oct 17Apr 21Oct 17
1995Apr 28Sep 20Apr 27Sep 21
1994May 1Oct 9Apr 29Oct 25
1993Apr 21Oct 9Apr 16Oct 10
1992May 29Oct 9Apr 23Oct 9
1991May 6Sep 19Mar 31Oct 6
1990May 2Oct 9May 1Oct 18
1989May 6Sep 23May 3Oct 19
1988Apr 27Oct 4Apr 18Oct 28
1987no dataOct 10no dataOct 10
1986Apr 21no dataApr 16no data
1985Apr 14Sep 24Apr 9Oct 1
1984May 8Sep 28Apr 5Sep 29
1983May 15Sep 21Apr 15Sep 21
1982Apr 22Oct 11Apr 22Oct 20
1981May 11Oct 23May 10Oct 23
1980May 8Oct 3May 8Oct 24
1979May 11Oct 23Apr 9Oct 23
1978May 6Oct 6Apr 21Oct 6
1977Apr 6Oct 11Apr 5Oct 12
1976May 7Sep 28May 3Sep 28
1975May 1Oct 1Apr 12Oct 25
1974Apr 17Sep 3Apr 17Oct 15
1973May 3Oct 28Apr 16Oct 28
1972May 7Oct 18Apr 24Oct 18
1971Apr 28Oct 13Apr 10Oct 28
1970May 2Oct 7Apr 21Oct 8
1969Apr 18Oct 8Apr 18Oct 14
1968May 21Oct 25Apr 24Nov 7
1967no dataSep 27no dataOct 10
1966May 24Oct 1May 13Oct 14
1965Apr 28Sep 24Apr 28Sep 24
1964May 13Sep 27Apr 7Oct 6
1963May 22Oct 28Apr 23Nov 1
1962Apr 28Oct 25Apr 13Oct 25

"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.