Last Frost Day

Frost history / Hershey 5 Sse, NE

Hershey 5 Sse, NE: frost dates by year

Last spring and first fall frost at NOAA station USC00253810, 1967 to 2025, measured from daily minimum temperatures.

Elevation 2,952 ft, 41.106, -100.978. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianMay 7Oct 6
EarliestApr 17 (1974)Sep 12 (2014)
LatestJun 3 (1998)Oct 25 (1994)
Trendlittle change (less than half a day per decade)2.4 days later per decade
Years with data4750

At 28°F (hard freeze) the median last spring date is Apr 24 and the median first fall date is Oct 15.

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 141970198019902000201020201967: May 151968: May 201969: Apr 281970: May 21971: May 121972: May 71973: May 141974: Apr 171975: May 11976: May 71977: Apr 251978: May 41979: May 111981: May 191986: Apr 281987: Apr 221988: May 41989: May 71990: May 111991: May 71992: May 261993: May 21994: Apr 301995: May 181996: Apr 301997: May 101998: Jun 32000: May 142002: May 102003: May 212006: Apr 272010: May 142011: May 42012: Apr 182013: May 62014: May 142015: May 122016: May 32017: May 22018: Apr 262019: May 112020: May 122021: Apr 292022: May 232023: May 32024: May 52025: May 3

First fall frost (32°F)

Aug 28Sep 12Sep 27Oct 12Oct 27Nov 111970198019902000201020201967: Sep 271968: Oct 61969: Oct 51970: Sep 261971: Sep 191972: Sep 261974: Sep 131975: Sep 251976: Sep 281977: Oct 91978: Oct 61979: Oct 211981: Sep 171983: Sep 201984: Sep 251985: Sep 241986: Oct 121987: Oct 101988: Oct 81989: Sep 131991: Sep 191992: Oct 151993: Oct 91994: Oct 251995: Sep 211996: Oct 31998: Oct 211999: Sep 292000: Sep 242001: Oct 72002: Oct 132007: Oct 222008: Oct 142009: Oct 32010: Oct 142011: Oct 12012: Oct 52013: Oct 162014: Sep 122015: Oct 172016: Oct 72017: Oct 102018: Oct 52019: Oct 82020: Oct 22021: Oct 152022: Oct 92023: 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
2025May 3Oct 19Apr 20Oct 29
2024May 5Oct 14Apr 22Oct 27
2023May 3Oct 7Apr 25Oct 27
2022May 23Oct 9May 22Oct 18
2021Apr 29Oct 15Apr 24Oct 22
2020May 12Oct 2May 11Oct 19
2019May 11Oct 8May 3Oct 11
2018Apr 26Oct 5Apr 20Oct 11
2017May 2Oct 10Apr 11Oct 11
2016May 3Oct 7Apr 10Nov 12
2015May 12Oct 17Apr 5Oct 29
2014May 14Sep 12Apr 18Oct 28
2013May 6Oct 16May 6Oct 31
2012Apr 18Oct 5Mar 22Oct 7
2011May 4Oct 1Apr 21Oct 20
2010May 14Oct 14May 8Oct 29
2009no dataOct 3no dataOct 9
2008no dataOct 14no dataOct 27
2007no dataOct 22no dataNov 3
2006Apr 27no dataApr 27no data
2003May 21no dataApr 10no data
2002May 10Oct 13May 3Oct 13
2001no dataOct 7no dataOct 16
2000May 14Sep 24Apr 21Oct 6
1999no dataSep 29no dataOct 3
1998Jun 3Oct 21Jun 3Nov 10
1997May 10no dataApr 15no data
1996Apr 30Oct 3Apr 23Oct 18
1995May 18Sep 21Apr 28Sep 22
1994Apr 30Oct 25Apr 30Oct 25
1993May 2Oct 9May 2Oct 9
1992May 26Oct 15Apr 27Oct 15
1991May 7Sep 19Apr 14Sep 19
1990May 11no dataApr 12no data
1989May 7Sep 13May 7Oct 17
1988May 4Oct 8Apr 24Oct 28
1987Apr 22Oct 10Apr 22Oct 10
1986Apr 28Oct 12Apr 17Oct 12
1985no dataSep 24no dataSep 30
1984no dataSep 25no dataSep 28
1983no dataSep 20no dataSep 20
1981May 19Sep 17May 10Oct 19
1979May 11Oct 21May 11Oct 23
1978May 4Oct 6Apr 25Oct 6
1977Apr 25Oct 9Apr 22Oct 11
1976May 7Sep 28May 6Sep 28
1975May 1Sep 25Apr 12Oct 1
1974Apr 17Sep 13Apr 16Oct 15
1973May 14no dataApr 16no data
1972May 7Sep 26May 7Oct 18
1971May 12Sep 19Apr 28Oct 28
1970May 2Sep 26May 1Oct 8
1969Apr 28Oct 5Apr 18Oct 12
1968May 20Oct 6Apr 24Oct 19
1967May 15Sep 27May 4Sep 27

"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.