Last Frost Day

Frost history / Anselmo 2 Wsw, NE

Anselmo 2 Wsw, NE: frost dates by year

Last spring and first fall frost at NOAA station USC00250245, 1962 to 2024, measured from daily minimum temperatures.

Elevation 2,733 ft, 41.611, -99.904. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianMay 12Sep 27
EarliestApr 14 (1985)Sep 3 (1974)
LatestJun 2 (1984)Oct 22 (2007)
Trendlittle change (less than half a day per decade)2.8 days later per decade
Years with data5660

At 28°F (hard freeze) the median last spring date is May 2 and the median first fall date is Oct 9.

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 141970198019902000201020201963: May 221966: May 251970: May 161971: May 121972: May 71973: May 251974: May 121975: May 31976: May 171977: Apr 261978: May 31979: May 241980: May 81981: May 191982: May 71983: May 161984: Jun 21985: Apr 141986: May 11987: Apr 231988: May 51989: May 61990: May 101991: May 61992: May 301993: May 31994: May 11995: May 121996: Apr 301997: May 151998: May 91999: May 122000: May 132001: Apr 242002: May 252003: May 212004: May 152005: May 282006: May 132007: Apr 152008: May 142009: May 162010: May 92011: May 172012: May 102013: May 62014: May 192015: May 232016: May 172017: May 212018: Apr 292019: May 112020: May 112022: May 222023: May 32024: Apr 22

First fall frost (32°F)

Aug 28Sep 12Sep 27Oct 12Oct 271970198019902000201020201962: Sep 51963: Sep 291965: Sep 241966: Oct 11967: Sep 271969: Oct 81970: Sep 231971: Sep 191972: Sep 211973: Sep 171974: Sep 31975: Sep 121976: Sep 281977: Oct 91978: Sep 211979: Oct 41980: Oct 31981: Sep 161982: Sep 181983: Sep 201984: Sep 151985: Sep 241986: Oct 111987: Sep 211988: Oct 41989: Sep 131990: Sep 231991: Sep 181992: Sep 281993: Sep 271994: Sep 231995: Sep 211996: Sep 271997: Oct 141998: Oct 71999: Sep 292000: Sep 252001: Sep 242002: Sep 222003: Sep 192004: Oct 22005: Sep 292006: Sep 192007: Oct 222008: Oct 12009: Sep 292010: Oct 22011: Sep 222012: Sep 232013: Oct 162014: Sep 132015: Oct 162016: Sep 292017: Oct 102019: Oct 72020: Oct 32021: Oct 142022: Oct 172023: 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 22Oct 14Apr 22Nov 5
2023May 3Oct 7May 3Oct 27
2022May 22Oct 17Apr 19Oct 17
2021no dataOct 14no dataOct 21
2020May 11Oct 3May 11Oct 16
2019May 11Oct 7May 11Oct 11
2018Apr 29no dataApr 20no data
2017May 21Oct 10Apr 28Oct 15
2016May 17Sep 29Apr 12Oct 7
2015May 23Oct 16Apr 28Oct 16
2014May 19Sep 13May 19Oct 18
2013May 6Oct 16May 6Oct 18
2012May 10Sep 23Apr 11Oct 2
2011May 17Sep 22May 17Sep 30
2010May 9Oct 2May 9Oct 17
2009May 16Sep 29Apr 28Oct 9
2008May 14Oct 1May 11Oct 14
2007Apr 15Oct 22Apr 9Oct 22
2006May 13Sep 19Apr 27Oct 12
2005May 28Sep 29May 15Oct 7
2004May 15Oct 2May 15Oct 14
2003May 21Sep 19May 20Oct 26
2002May 25Sep 22May 3Sep 27
2001Apr 24Sep 24Apr 23Oct 16
2000May 13Sep 25Apr 22Sep 25
1999May 12Sep 29Apr 19Sep 29
1998May 9Oct 7Apr 30Oct 12
1997May 15Oct 14May 10Oct 25
1996Apr 30Sep 27Apr 23Oct 10
1995May 12Sep 21Apr 27Sep 22
1994May 1Sep 23May 1Oct 9
1993May 3Sep 27Apr 21Oct 9
1992May 30Sep 28Apr 27Oct 9
1991May 6Sep 18May 6Sep 19
1990May 10Sep 23May 1Sep 23
1989May 6Sep 13May 6Sep 13
1988May 5Oct 4Apr 28Oct 4
1987Apr 23Sep 21Apr 22Oct 6
1986May 1Oct 11Apr 21Oct 12
1985Apr 14Sep 24Apr 14Sep 24
1984Jun 2Sep 15May 9Sep 28
1983May 16Sep 20May 15Oct 13
1982May 7Sep 18Apr 30Oct 11
1981May 19Sep 16May 10Sep 17
1980May 8Oct 3May 8Oct 3
1979May 24Oct 4May 11Oct 4
1978May 3Sep 21May 2Oct 6
1977Apr 26Oct 9Apr 25Oct 12
1976May 17Sep 28May 7Sep 28
1975May 3Sep 12Apr 20Sep 24
1974May 12Sep 3Apr 16Sep 13
1973May 25Sep 17May 17Oct 27
1972May 7Sep 21May 7Oct 18
1971May 12Sep 19May 12Sep 19
1970May 16Sep 23May 2Sep 26
1969no dataOct 8no dataOct 8
1967no dataSep 27no dataSep 27
1966May 25Oct 1May 13Oct 1
1965no dataSep 24no dataSep 24
1963May 22Sep 29May 22Oct 28
1962no dataSep 5no dataOct 18

"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.