Last Frost Day

Frost history / Harlan Co Lake, NE

Harlan Co Lake, NE: frost dates by year

Last spring and first fall frost at NOAA station USC00253595, 1953 to 2025, measured from daily minimum temperatures.

Elevation 2,010 ft, 40.089, -99.213. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianApr 28Oct 10
EarliestApr 5 (1977)Sep 19 (1971)
LatestMay 22 (1963)Nov 1 (1963)
Trendlittle change (less than half a day per decade)0.6 days later per decade
Years with data5655

At 28°F (hard freeze) the median last spring date is Apr 17 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 31Apr 15Apr 30May 15May 3019601970198019902000201020201953: May 141954: May 41955: Apr 71956: Apr 301957: Apr 141958: Apr 291959: Apr 141960: May 11961: May 21962: Apr 281963: May 221964: Apr 141965: Apr 281966: May 131967: May 51968: May 201969: Apr 191970: May 31971: Apr 71972: Apr 251973: May 151974: Apr 171975: Apr 201976: May 41977: Apr 51978: Apr 231979: May 111980: May 81981: May 101982: Apr 221983: May 151984: May 11985: Apr 111986: Apr 281987: Apr 231988: Apr 281989: May 71990: May 101992: Apr 281993: Apr 171994: May 11995: Apr 291996: Apr 222013: May 42014: May 152015: May 122016: Apr 102017: Apr 272018: Apr 202019: May 102020: May 102021: Apr 222022: Apr 262023: May 22024: Apr 222025: Apr 21

First fall frost (32°F)

Sep 12Sep 27Oct 12Oct 27Nov 1119601970198019902000201020201953: Oct 51954: Oct 151955: Oct 171956: Oct 211957: Oct 251958: Oct 11959: Oct 91960: Oct 191961: Oct 191962: Oct 251963: Nov 11964: Oct 51965: Sep 241966: Oct 11967: Sep 281968: Oct 61969: Oct 121970: Oct 81971: Sep 191972: Oct 71973: Oct 121974: Oct 21975: Sep 221976: Sep 281977: Oct 111978: Oct 61979: Oct 231980: Oct 31981: Oct 191982: Oct 111983: Sep 211984: Sep 261985: Sep 291986: Oct 121987: Oct 71988: Oct 281989: Sep 231991: Sep 191992: Oct 91993: Oct 101994: Oct 91995: Sep 221996: Oct 182013: Oct 162014: Oct 42015: Oct 292016: Oct 72017: Oct 112018: Oct 112019: Oct 112021: Oct 162022: Oct 172023: Oct 162024: Oct 152025: Oct 30

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 21Oct 30Apr 7Nov 1
2024Apr 22Oct 15Apr 21Oct 16
2023May 2Oct 16Apr 24Oct 28
2022Apr 26Oct 17Apr 17Oct 18
2021Apr 22Oct 16Apr 21Nov 13
2020May 10no dataApr 18no data
2019May 10Oct 11Apr 14Oct 11
2018Apr 20Oct 11Apr 20Oct 11
2017Apr 27Oct 11Apr 27Oct 27
2016Apr 10Oct 7Apr 10Nov 9
2015May 12Oct 29Apr 11Oct 29
2014May 15Oct 4Apr 16Oct 29
2013May 4Oct 16May 3Nov 6
1996Apr 22Oct 18Apr 13Oct 18
1995Apr 29Sep 22Apr 29Sep 22
1994May 1Oct 9Apr 30Oct 25
1993Apr 17Oct 10Apr 3Oct 27
1992Apr 28Oct 9Apr 23Oct 17
1991no dataSep 19no dataOct 5
1990May 10no dataApr 28no data
1989May 7Sep 23May 6Sep 23
1988Apr 28Oct 28Apr 19Oct 28
1987Apr 23Oct 7Apr 7Oct 11
1986Apr 28Oct 12Apr 16Oct 14
1985Apr 11Sep 29Apr 8Sep 30
1984May 1Sep 26Apr 5Sep 29
1983May 15Sep 21Apr 24Sep 21
1982Apr 22Oct 11Apr 22Oct 20
1981May 10Oct 19Mar 23Oct 22
1980May 8Oct 3Apr 14Oct 24
1979May 11Oct 23Apr 9Oct 23
1978Apr 23Oct 6Apr 21Oct 14
1977Apr 5Oct 11Apr 5Oct 12
1976May 4Sep 28May 4Oct 16
1975Apr 20Sep 22Apr 13Oct 25
1974Apr 17Oct 2Apr 17Oct 15
1973May 15Oct 12Apr 16Oct 29
1972Apr 25Oct 7Apr 9Oct 19
1971Apr 7Sep 19Apr 7Oct 29
1970May 3Oct 8Apr 21Oct 15
1969Apr 19Oct 12Apr 5Oct 14
1968May 20Oct 6Apr 23Oct 28
1967May 5Sep 28May 4Oct 10
1966May 13Oct 1May 13Oct 16
1965Apr 28Sep 24Apr 28Nov 4
1964Apr 14Oct 5Apr 9Oct 5
1963May 22Nov 1Apr 23Nov 1
1962Apr 28Oct 25Apr 13Oct 25
1961May 2Oct 19Apr 18Oct 19
1960May 1Oct 19Apr 10Oct 19
1959Apr 14Oct 9Apr 13Oct 17
1958Apr 29Oct 1Mar 30Oct 30
1957Apr 14Oct 25Apr 13Oct 25
1956Apr 30Oct 21Apr 29Oct 31
1955Apr 7Oct 17Apr 7Oct 24
1954May 4Oct 15May 3Oct 26
1953May 14Oct 5May 14Nov 6

"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.