Last Frost Day

Frost history / N Loup, NE

N Loup, NE: frost dates by year

Last spring and first fall frost at NOAA station USC00256040, 1951 to 2025, measured from daily minimum temperatures.

Elevation 1,961 ft, 41.497, -98.771. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianMay 4Oct 1
EarliestApr 12 (1987)Sep 3 (1974)
LatestJun 2 (1964)Oct 28 (1963)
Trend1.3 days earlier per decade1.5 days later per decade
Years with data6260

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

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 1419601970198019902000201020201951: May 71952: May 121953: May 141954: May 81955: May 81956: May 21957: May 51958: Apr 291959: May 151960: May 81961: May 21962: May 11963: May 221964: Jun 21965: Apr 281966: May 131967: May 41969: May 121970: May 21971: May 121972: May 71973: May 171974: Apr 301975: May 11976: May 61977: Apr 251978: May 31979: May 111980: May 81981: May 111982: Apr 221983: Apr 241984: May 91985: Apr 141986: Apr 221987: Apr 121988: Apr 281989: May 61990: May 61991: May 61992: Apr 271993: May 31994: Apr 301995: May 61996: Apr 301997: May 131998: Apr 221999: Apr 182000: Apr 212001: Apr 232002: May 182003: Apr 212004: May 142005: May 152006: Apr 262007: Apr 152008: May 142009: Apr 292022: May 222023: May 42024: Apr 222025: May 3

First fall frost (32°F)

Aug 28Sep 12Sep 27Oct 12Oct 27Nov 1119601970198019902000201020201951: Sep 281953: Sep 271954: Oct 161955: Oct 151956: Sep 61957: Oct 171958: Sep 271959: Oct 31960: Oct 161961: Sep 251962: Sep 51963: Oct 281964: Sep 271965: Sep 241966: Oct 11967: Sep 271969: Oct 81970: Sep 261971: Sep 191972: Sep 301973: Oct 271974: Sep 31975: Sep 251976: Sep 281977: Oct 91978: Oct 61979: Oct 41980: Oct 31981: Sep 171982: Sep 211983: Sep 211984: Sep 261985: Sep 241986: Oct 111987: Oct 31988: Oct 41989: Sep 231990: Sep 231991: Sep 191992: Oct 91993: Sep 271994: Oct 91995: Sep 221996: Oct 101997: Oct 251998: Oct 71999: Sep 212000: Sep 252001: Oct 62002: Sep 272003: Oct 252004: Oct 22005: Sep 292006: Oct 122007: Oct 232008: Oct 142022: Oct 82023: 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 21Oct 23
2024Apr 22Oct 14Apr 22Oct 14
2023May 4Oct 7May 4Oct 17
2022May 22Oct 8Apr 27Oct 8
2009Apr 29no dataApr 28no data
2008May 14Oct 14May 4Oct 25
2007Apr 15Oct 23Apr 8Oct 28
2006Apr 26Oct 12Apr 26Oct 12
2005May 15Sep 29May 3Oct 7
2004May 14Oct 2Apr 13Oct 4
2003Apr 21Oct 25Apr 9Oct 25
2002May 18Sep 27Apr 25Oct 13
2001Apr 23Oct 6Apr 17Oct 6
2000Apr 21Sep 25Apr 21Oct 6
1999Apr 18Sep 21Apr 18Oct 2
1998Apr 22Oct 7Apr 17Nov 10
1997May 13Oct 25Apr 17Oct 25
1996Apr 30Oct 10Apr 16Oct 18
1995May 6Sep 22Apr 27Sep 22
1994Apr 30Oct 9Apr 13Oct 25
1993May 3Sep 27Apr 16Oct 9
1992Apr 27Oct 9Apr 27Oct 17
1991May 6Sep 19Mar 31Sep 19
1990May 6Sep 23May 1Oct 12
1989May 6Sep 23May 6Sep 23
1988Apr 28Oct 4Apr 27Oct 4
1987Apr 12Oct 3Apr 10Oct 7
1986Apr 22Oct 11Apr 16Oct 13
1985Apr 14Sep 24Apr 14Oct 1
1984May 9Sep 26Apr 19Sep 26
1983Apr 24Sep 21Apr 24Sep 23
1982Apr 22Sep 21Apr 22Oct 21
1981May 11Sep 17May 10Oct 19
1980May 8Oct 3May 8Oct 25
1979May 11Oct 4May 11Oct 13
1978May 3Oct 6Apr 21Oct 6
1977Apr 25Oct 9Apr 5Oct 12
1976May 6Sep 28May 6Sep 28
1975May 1Sep 25Apr 20Oct 25
1974Apr 30Sep 3Apr 16Oct 2
1973May 17Oct 27May 15Oct 29
1972May 7Sep 30Apr 25Oct 18
1971May 12Sep 19Apr 14Sep 19
1970May 2Sep 26May 2Oct 12
1969May 12Oct 8Apr 19Oct 16
1967May 4Sep 27May 3Oct 16
1966May 13Oct 1May 13Oct 16
1965Apr 28Sep 24Apr 28Sep 24
1964Jun 2Sep 27May 13Oct 5
1963May 22Oct 28Apr 23Nov 1
1962May 1Sep 5Apr 15Oct 25
1961May 2Sep 25May 2Oct 23
1960May 8Oct 16May 1Oct 16
1959May 15Oct 3May 15Oct 9
1958Apr 29Sep 27Apr 29Oct 1
1957May 5Oct 17Apr 14Oct 25
1956May 2Sep 6Apr 29Oct 21
1955May 8Oct 15Apr 7Oct 24
1954May 8Oct 16May 3Oct 16
1953May 14Sep 27May 14Oct 4
1952May 12no dataApr 15no data
1951May 7Sep 28May 7Sep 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.