Last Frost Day

Frost history / Hebron, NE

Hebron, NE: frost dates by year

Last spring and first fall frost at NOAA station USC00253735, 1951 to 2025, measured from daily minimum temperatures.

Elevation 1,480 ft, 40.175, -97.590. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianApr 27Oct 11
EarliestMar 11 (2012)Sep 19 (1991)
LatestMay 22 (1963)Oct 29 (2015)
Trend1.1 days earlier per decade0.9 days later per decade
Years with data7475

At 28°F (hard freeze) the median last spring date is Apr 13 and the median first fall date is Oct 24.

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 1Mar 16Mar 31Apr 15Apr 30May 15May 3019601970198019902000201020201951: Apr 221952: May 121953: May 141954: May 31955: Apr 81956: Apr 301957: Apr 141958: Apr 291959: May 151960: May 121961: May 21962: Apr 161963: May 221964: Apr 91965: Apr 281966: May 131967: May 41968: Apr 261969: Apr 191970: May 21971: Apr 71972: Apr 91973: May 151974: Apr 161975: Apr 201976: May 71977: Apr 51978: Apr 211979: May 111980: May 81981: May 111982: Apr 221983: Apr 241984: Apr 191985: Apr 91986: Apr 221987: Apr 71988: Apr 281989: May 21990: Apr 291991: May 71992: May 71993: Apr 61994: May 21995: May 21996: Apr 301998: Apr 171999: Apr 132000: Apr 222001: Apr 182002: Apr 262003: Apr 102004: May 42005: May 42006: Apr 272007: Apr 152008: Apr 292009: Apr 292010: Apr 92011: Apr 162012: Mar 112013: May 42014: May 162015: Apr 222016: Apr 132017: Apr 282018: Apr 272019: Apr 152020: May 112021: Apr 222022: Apr 272023: May 42024: Apr 222025: Apr 12

First fall frost (32°F)

Sep 12Sep 27Oct 12Oct 27Nov 1119601970198019902000201020201951: Sep 281952: Oct 61953: Oct 61954: Oct 161955: Oct 151956: Oct 71957: Oct 251958: Oct 11959: Oct 91960: Oct 191961: Sep 281962: Oct 251963: Oct 291964: Oct 61965: Sep 241966: Oct 161967: Oct 251968: Oct 41969: Oct 141970: Oct 91971: Sep 231972: Oct 71973: Oct 291974: Oct 21975: Oct 11976: Oct 161977: Oct 121978: Oct 71979: Oct 131980: Oct 31981: Oct 191982: Oct 121983: Oct 131984: Sep 291985: Sep 301986: Oct 121987: Oct 31988: Oct 241989: Oct 81990: Oct 101991: Sep 191992: Oct 81993: Oct 101994: Oct 251995: Sep 221996: Oct 181997: Oct 251998: Oct 231999: Oct 42000: Oct 62001: Oct 162002: Oct 132003: Oct 172004: Oct 22005: Oct 72006: Oct 122007: Oct 262008: Oct 172009: Oct 102010: Oct 282011: Oct 192012: Oct 72013: Oct 192014: Oct 112015: Oct 292016: Oct 132017: Oct 112018: Oct 112019: Oct 112020: Oct 22021: Oct 162022: Oct 82023: Oct 272024: Oct 142025: Oct 23

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 12Oct 23Apr 9Oct 30
2024Apr 22Oct 14Apr 5Oct 16
2023May 4Oct 27Apr 24Oct 28
2022Apr 27Oct 8Apr 27Oct 8
2021Apr 22Oct 16Apr 22Nov 13
2020May 11Oct 2Apr 18Oct 24
2019Apr 15Oct 11Apr 15Oct 12
2018Apr 27Oct 11Apr 20Oct 15
2017Apr 28Oct 11Apr 27Oct 28
2016Apr 13Oct 13Apr 13Oct 13
2015Apr 22Oct 29Mar 28Oct 30
2014May 16Oct 11Apr 17Oct 29
2013May 4Oct 19Apr 25Nov 12
2012Mar 11Oct 7Mar 10Oct 7
2011Apr 16Oct 19Mar 29Oct 20
2010Apr 9Oct 28Apr 9Nov 2
2009Apr 29Oct 10Apr 14Oct 10
2008Apr 29Oct 17Apr 15Oct 27
2007Apr 15Oct 26Apr 9Nov 1
2006Apr 27Oct 12Mar 29Oct 12
2005May 4Oct 7Apr 30Oct 24
2004May 4Oct 2Apr 11Nov 3
2003Apr 10Oct 17Apr 10Oct 26
2002Apr 26Oct 13Apr 22Oct 13
2001Apr 18Oct 16Apr 18Oct 27
2000Apr 22Oct 6Apr 8Oct 6
1999Apr 13Oct 4Apr 4Oct 24
1998Apr 17Oct 23Apr 15Nov 11
1997no dataOct 25no dataOct 25
1996Apr 30Oct 18Apr 14Oct 31
1995May 2Sep 22Apr 5Sep 22
1994May 2Oct 25Apr 7Oct 25
1993Apr 6Oct 10Apr 6Oct 10
1992May 7Oct 8Apr 23Oct 17
1991May 7Sep 19Mar 31Oct 6
1990Apr 29Oct 10Apr 15Oct 10
1989May 2Oct 8Apr 20Oct 19
1988Apr 28Oct 24Apr 28Oct 28
1987Apr 7Oct 3Apr 6Oct 21
1986Apr 22Oct 12Apr 16Nov 5
1985Apr 9Sep 30Apr 8Oct 1
1984Apr 19Sep 29Apr 1Sep 29
1983Apr 24Oct 13Apr 15Nov 10
1982Apr 22Oct 12Apr 22Oct 20
1981May 11Oct 19Mar 23Oct 22
1980May 8Oct 3Apr 14Oct 25
1979May 11Oct 13Apr 9Oct 13
1978Apr 21Oct 7Apr 21Nov 14
1977Apr 5Oct 12Apr 5Oct 12
1976May 7Oct 16May 3Oct 16
1975Apr 20Oct 1Apr 12Oct 18
1974Apr 16Oct 2Apr 8Oct 15
1973May 15Oct 29Apr 10Oct 29
1972Apr 9Oct 7Apr 8Oct 19
1971Apr 7Sep 23Apr 6Oct 31
1970May 2Oct 9Apr 4Oct 29
1969Apr 19Oct 14Mar 31Oct 14
1968Apr 26Oct 4Apr 9Nov 3
1967May 4Oct 25Apr 27Oct 28
1966May 13Oct 16Apr 28Oct 16
1965Apr 28Sep 24Apr 28Oct 24
1964Apr 9Oct 6Apr 8Oct 9
1963May 22Oct 29Apr 4Nov 1
1962Apr 16Oct 25Apr 13Oct 25
1961May 2Sep 28May 2Nov 3
1960May 12Oct 19Apr 3Oct 20
1959May 15Oct 9Apr 13Oct 27
1958Apr 29Oct 1Apr 29Oct 1
1957Apr 14Oct 25Apr 13Oct 25
1956Apr 30Oct 7Apr 24Oct 26
1955Apr 8Oct 15Apr 7Oct 24
1954May 3Oct 16Apr 8Oct 30
1953May 14Oct 6May 14Oct 27
1952May 12Oct 6May 12Oct 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 to 2020 frost probabilities.