Last Frost Day

Frost history / Ashland #2, NE

Ashland #2, NE: frost dates by year

Last spring and first fall frost at NOAA station USC00250375, 1951 to 2017, measured from daily minimum temperatures.

Elevation 1,118 ft, 41.041, -96.381. Download the data (JSON) · NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianApr 27Oct 7
EarliestMar 31 (1991)Sep 19 (1991)
LatestMay 22 (1963)Nov 6 (1998)
Trend0.9 days earlier per decade1.1 days later per decade
Years with data5963

At 28°F (hard freeze) the median last spring date is Apr 13 and the median first fall date is Oct 22.

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: May 121953: May 141955: Apr 81957: May 51958: Apr 291959: Apr 221960: Apr 301961: May 21962: Apr 191963: May 221964: Apr 91965: Apr 281967: May 41969: Apr 291970: May 21971: May 31972: Apr 241973: Apr 271974: Apr 171975: Apr 211976: May 71977: Apr 61978: May 31979: May 51981: May 111982: Apr 221983: Apr 241984: May 11985: Apr 91986: Apr 221987: Apr 121988: Apr 271989: May 71990: May 21991: Mar 311992: May 61993: Apr 61994: May 11995: Apr 281996: Apr 301997: May 141998: Apr 181999: Apr 182000: Apr 212001: Apr 192002: Apr 252003: Apr 102004: May 42005: May 42006: Apr 82007: Apr 162008: Apr 292009: May 52011: Apr 252012: Apr 232014: May 172015: Apr 232016: Apr 13

First fall frost (32°F)

Sep 12Sep 27Oct 12Oct 27Nov 111960197019801990200020101951: Sep 281952: Oct 61955: Oct 151956: Sep 301957: Oct 181958: Oct 11959: Oct 91960: Oct 191961: Sep 281962: Oct 241963: Oct 291964: Oct 51965: Sep 241966: Oct 51968: Oct 41969: Oct 141970: Oct 101971: Sep 231972: Oct 71973: Oct 291974: Oct 11975: Sep 251976: Oct 61977: Oct 91978: Oct 71979: Oct 51980: Oct 31981: Oct 191982: Oct 201983: Sep 231984: Sep 261985: Oct 11986: Oct 131987: Oct 31988: Oct 41989: Sep 231990: Oct 101991: Sep 191992: Oct 161993: Oct 101994: Oct 251995: Sep 221996: Oct 111997: Oct 221998: Nov 61999: Oct 42000: Oct 62001: Oct 162002: Oct 132003: Sep 292004: Oct 22005: Oct 72006: Oct 122007: Oct 282008: Oct 162009: Oct 42011: Oct 192012: Oct 62013: Oct 192014: Oct 112015: Oct 292016: Oct 132017: Oct 12

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
2017no dataOct 12no dataOct 28
2016Apr 13Oct 13Apr 13Nov 12
2015Apr 23Oct 29Apr 23Oct 31
2014May 17Oct 11Apr 16Nov 1
2013no dataOct 19no dataOct 24
2012Apr 23Oct 6Apr 23Oct 7
2011Apr 25Oct 19Apr 5Oct 20
2009May 5Oct 4May 3Oct 10
2008Apr 29Oct 16Apr 19Oct 28
2007Apr 16Oct 28Apr 10Nov 6
2006Apr 8Oct 12Apr 8Oct 12
2005May 4Oct 7Apr 2Oct 7
2004May 4Oct 2May 3Nov 3
2003Apr 10Sep 29Apr 10Nov 5
2002Apr 25Oct 13Apr 5Oct 24
2001Apr 19Oct 16Apr 18Oct 27
2000Apr 21Oct 6Apr 9Oct 6
1999Apr 18Oct 4Mar 27Oct 20
1998Apr 18Nov 6Apr 3Nov 6
1997May 14Oct 22May 13Oct 27
1996Apr 30Oct 11Apr 10Nov 1
1995Apr 28Sep 22Apr 5Sep 22
1994May 1Oct 25Apr 7Oct 26
1993Apr 6Oct 10Apr 6Oct 27
1992May 6Oct 16Apr 22Oct 17
1991Mar 31Sep 19Mar 31Sep 19
1990May 2Oct 10Apr 18Oct 10
1989May 7Sep 23Apr 19Oct 19
1988Apr 27Oct 4Apr 20Oct 24
1987Apr 12Oct 3Apr 5Oct 11
1986Apr 22Oct 13Apr 22Nov 5
1985Apr 9Oct 1Apr 8Nov 2
1984May 1Sep 26Apr 1Sep 29
1983Apr 24Sep 23Apr 18Nov 11
1982Apr 22Oct 20Apr 22Oct 21
1981May 11Oct 19Mar 24Oct 22
1980no dataOct 3no dataOct 12
1979May 5Oct 5Apr 7Oct 13
1978May 3Oct 7Apr 21Oct 16
1977Apr 6Oct 9Apr 6Nov 10
1976May 7Oct 6May 3Oct 16
1975Apr 21Sep 25Apr 21Oct 25
1974Apr 17Oct 1Apr 9Oct 15
1973Apr 27Oct 29Apr 10Oct 29
1972Apr 24Oct 7Apr 9Oct 19
1971May 3Sep 23Apr 6Oct 31
1970May 2Oct 10Apr 16Oct 15
1969Apr 29Oct 14Apr 6Oct 14
1968no dataOct 4no dataNov 3
1967May 4no dataMay 2no data
1966no dataOct 5no dataOct 16
1965Apr 28Sep 24Apr 28Sep 24
1964Apr 9Oct 5Apr 5Oct 9
1963May 22Oct 29Apr 23Oct 29
1962Apr 19Oct 24Apr 15Oct 25
1961May 2Sep 28May 2Oct 20
1960Apr 30Oct 19Apr 3Oct 20
1959Apr 22Oct 9Apr 13Oct 17
1958Apr 29Oct 1Apr 29Oct 26
1957May 5Oct 18Apr 14Oct 25
1956no dataSep 30no dataNov 8
1955Apr 8Oct 15Apr 7Oct 24
1953May 14no dataApr 27no data
1952May 12Oct 6Apr 15Oct 6
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 1991–2020 frost probabilities.