Last Frost Day

Frost history / Grand Island Ap, NE

Grand Island Ap, NE: frost dates by year

Last spring and first fall frost at NOAA station USW00014935, 1951 to 2024, measured from daily minimum temperatures.

Elevation 1,840 ft, 40.961, -98.314. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianApr 28Oct 9
EarliestApr 5 (1969)Sep 19 (1991)
LatestMay 22 (1963)Oct 28 (1971)
Trend0.6 days earlier per decade0.5 days later per decade
Years with data7474

At 28°F (hard freeze) the median last spring date is Apr 15 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 3019601970198019902000201020201951: May 71952: May 121953: May 141954: May 51955: Apr 71956: Apr 301957: Apr 141958: Apr 291959: May 151960: Apr 301961: May 21962: Apr 151963: May 221964: Apr 91965: Apr 281966: May 131967: May 41968: Apr 241969: Apr 51970: May 21971: Apr 91972: Apr 251973: May 151974: Apr 161975: Apr 201976: May 71977: Apr 51978: May 21979: May 111980: May 81981: May 101982: Apr 221983: Apr 241984: Apr 51985: Apr 141986: Apr 221987: Apr 121988: Apr 271989: May 61990: May 11991: May 61992: Apr 271993: Apr 161994: Apr 301995: May 21996: Apr 261997: May 131998: Apr 181999: Apr 182000: Apr 212001: Apr 172002: May 22003: Apr 92004: Apr 132005: May 32006: Apr 262007: Apr 122008: Apr 282009: Apr 282010: May 82011: Apr 202012: Apr 112013: May 32014: May 172015: Apr 222016: Apr 112017: May 12018: Apr 282019: May 22020: May 102021: Apr 222022: Apr 252023: May 32024: Apr 21

First fall frost (32°F)

Sep 12Sep 27Oct 12Oct 27Nov 1119601970198019902000201020201951: Sep 281952: Oct 51953: Oct 61954: Oct 151955: Oct 171956: Oct 211957: Oct 171958: Sep 301959: Oct 81960: Oct 191961: Sep 281962: Oct 241963: Oct 281964: Sep 271965: Sep 241966: Oct 11967: Sep 281968: Oct 41969: Oct 131970: Oct 91971: Oct 281972: Oct 181973: Oct 271974: Sep 301975: Oct 11976: Sep 281977: Oct 91978: Oct 61979: Oct 41980: Oct 31981: Oct 181982: Oct 201983: Oct 131984: Sep 251985: Sep 241986: Oct 121987: Oct 71988: Oct 41989: Sep 231990: Oct 91991: Sep 191992: Oct 91993: Oct 91994: Oct 231995: Sep 201996: Oct 101997: Oct 251998: Oct 211999: Oct 22000: Sep 252001: Oct 62002: Oct 122003: Oct 252004: Oct 22005: Sep 292006: Oct 122007: Oct 262008: Oct 162009: Sep 292010: Oct 192011: Oct 192012: Oct 52013: Oct 172014: Oct 182015: Oct 162016: Oct 72017: Oct 112018: Oct 112019: Oct 112020: Oct 162021: Oct 162022: Oct 82023: Oct 72024: Oct 14

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
2024Apr 21Oct 14Apr 20Nov 17
2023May 3Oct 7Apr 23Oct 27
2022Apr 25Oct 8Apr 16Oct 17
2021Apr 22Oct 16Apr 21Nov 12
2020May 10Oct 16Apr 17Oct 25
2019May 2Oct 11Apr 14Oct 12
2018Apr 28Oct 11Apr 19Oct 11
2017May 1Oct 11Apr 27Oct 27
2016Apr 11Oct 7Apr 9Nov 18
2015Apr 22Oct 16Apr 22Oct 29
2014May 17Oct 18Apr 15Oct 29
2013May 3Oct 17Apr 24Nov 11
2012Apr 11Oct 5Mar 9Oct 6
2011Apr 20Oct 19Mar 28Oct 19
2010May 8Oct 19Apr 8Oct 28
2009Apr 28Sep 29Apr 7Oct 9
2008Apr 28Oct 16Apr 14Oct 26
2007Apr 12Oct 26Apr 8Nov 3
2006Apr 26Oct 12Mar 28Oct 12
2005May 3Sep 29May 3Oct 7
2004Apr 13Oct 2Apr 13Oct 14
2003Apr 9Oct 25Apr 9Oct 25
2002May 2Oct 12Apr 25Oct 23
2001Apr 17Oct 6Apr 17Oct 16
2000Apr 21Sep 25Apr 15Oct 5
1999Apr 18Oct 2Apr 18Oct 17
1998Apr 18Oct 21Apr 17Nov 11
1997May 13Oct 25Apr 14Oct 25
1996Apr 26Oct 10Apr 15Oct 18
1995May 2Sep 20Apr 27Sep 21
1994Apr 30Oct 23Apr 13Oct 24
1993Apr 16Oct 9Apr 4Oct 10
1992Apr 27Oct 9Apr 22Oct 16
1991May 6Sep 19Mar 30Sep 19
1990May 1Oct 9Apr 17Oct 10
1989May 6Sep 23May 6Oct 18
1988Apr 27Oct 4Apr 18Oct 27
1987Apr 12Oct 7Apr 5Oct 10
1986Apr 22Oct 12Apr 16Oct 13
1985Apr 14Sep 24Apr 8Oct 1
1984Apr 5Sep 25Mar 23Sep 28
1983Apr 24Oct 13Apr 15Oct 13
1982Apr 22Oct 20Apr 22Oct 21
1981May 10Oct 18Mar 20Oct 22
1980May 8Oct 3May 8Oct 25
1979May 11Oct 4Apr 9Oct 13
1978May 2Oct 6Apr 21Oct 16
1977Apr 5Oct 9Apr 4Oct 11
1976May 7Sep 28May 3Oct 16
1975Apr 20Oct 1Apr 3Oct 24
1974Apr 16Sep 30Apr 16Oct 15
1973May 15Oct 27Apr 10Oct 28
1972Apr 25Oct 18Apr 8Oct 18
1971Apr 9Oct 28Apr 6Oct 31
1970May 2Oct 9Apr 9Oct 15
1969Apr 5Oct 13Mar 31Oct 13
1968Apr 24Oct 4Apr 5Nov 7
1967May 4Sep 28May 4Oct 27
1966May 13Oct 1May 13Oct 19
1965Apr 28Sep 24Apr 28Sep 24
1964Apr 9Sep 27Apr 8Oct 5
1963May 22Oct 28Apr 23Oct 31
1962Apr 15Oct 24Apr 15Oct 25
1961May 2Sep 28May 2Oct 23
1960Apr 30Oct 19Apr 5Oct 19
1959May 15Oct 8Apr 13Oct 17
1958Apr 29Sep 30Apr 29Oct 24
1957Apr 14Oct 17Apr 13Oct 24
1956Apr 30Oct 21Apr 29Nov 6
1955Apr 7Oct 17Apr 7Oct 24
1954May 5Oct 15May 3Oct 27
1953May 14Oct 6May 14Oct 26
1952May 12Oct 5Apr 10Oct 5
1951May 7Sep 28Apr 22Sep 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.