Last Frost Day

Frost history / Blair, NE

Blair, NE: frost dates by year

Last spring and first fall frost at NOAA station USC00250930, 1951 to 2001, measured from daily minimum temperatures.

Elevation 1,090 ft, 41.554, -96.141. Download the data (JSON) · NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianApr 26Oct 9
EarliestApr 5 (1998)Sep 16 (1984)
LatestJun 3 (1990)Nov 5 (1998)
Trendlittle change (less than half a day per decade)little change (less than half a day per decade)
Years with data4850

At 28°F (hard freeze) the median last spring date is Apr 10 and the median first fall date is Oct 21.

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 14196019701980199020001951: Apr 231952: Apr 151953: Apr 201954: May 51955: Apr 71956: Apr 301957: Apr 141958: Apr 291959: May 151960: May 11961: May 21962: Apr 171963: Apr 231964: Apr 81965: Apr 281966: May 91967: May 31968: May 51969: Apr 291970: May 21971: May 31972: Apr 251973: Apr 271974: Apr 231975: Apr 201976: May 41977: Apr 61979: May 41980: May 81981: May 111983: May 151984: Apr 191985: Apr 91986: Apr 221987: Apr 121988: Apr 271989: May 81990: Jun 31991: Apr 101993: Apr 201994: May 21995: Apr 141996: Apr 241997: May 131998: Apr 51999: Apr 182000: Apr 122001: Apr 18

First fall frost (32°F)

Aug 28Sep 12Sep 27Oct 12Oct 27Nov 11196019701980199020001951: Sep 281952: Oct 61953: Oct 261954: Oct 181955: Oct 151956: Sep 301957: Oct 181958: Oct 111959: Oct 91960: Oct 191961: Sep 281962: Oct 241963: Oct 291964: Oct 91965: Sep 241966: Oct 11967: Sep 281968: Oct 41969: Oct 81970: Oct 91971: Oct 311972: Oct 71973: Oct 291974: Sep 221975: Sep 251976: Oct 61977: Oct 91978: Oct 71979: Oct 131980: Oct 41981: Oct 221982: Oct 201983: Oct 141984: Sep 161985: Oct 11986: Oct 131987: Oct 31988: Oct 41989: Sep 231990: Oct 101991: Sep 191992: Oct 151993: Oct 91994: Oct 251995: Sep 221996: Oct 231997: Oct 141998: Nov 51999: Oct 202000: Oct 6

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
2001Apr 18no dataApr 18no data
2000Apr 12Oct 6Apr 9Oct 6
1999Apr 18Oct 20Mar 26Oct 20
1998Apr 5Nov 5Apr 3Nov 6
1997May 13Oct 14Apr 18Oct 27
1996Apr 24Oct 23Apr 10Oct 30
1995Apr 14Sep 22Apr 5Nov 2
1994May 2Oct 25Apr 8Oct 26
1993Apr 20Oct 9Apr 6Oct 28
1992no dataOct 15no dataOct 18
1991Apr 10Sep 19Mar 31Oct 19
1990Jun 3Oct 10Apr 17Oct 10
1989May 8Sep 23Apr 12Oct 19
1988Apr 27Oct 4Apr 27Oct 5
1987Apr 12Oct 3Apr 6Oct 11
1986Apr 22Oct 13Apr 22Nov 5
1985Apr 9Oct 1Apr 9Nov 2
1984Apr 19Sep 16Apr 6Sep 26
1983May 15Oct 14Apr 18Oct 14
1982no dataOct 20no dataOct 21
1981May 11Oct 22Mar 23Oct 22
1980May 8Oct 4Mar 25Oct 12
1979May 4Oct 13Apr 7Oct 13
1978no dataOct 7no dataOct 7
1977Apr 6Oct 9Apr 6Nov 10
1976May 4Oct 6May 3Oct 16
1975Apr 20Sep 25Apr 11Oct 29
1974Apr 23Sep 22Apr 8Oct 1
1973Apr 27Oct 29Apr 11Oct 29
1972Apr 25Oct 7Apr 9Oct 18
1971May 3Oct 31Apr 14Oct 31
1970May 2Oct 9Apr 4Oct 15
1969Apr 29Oct 8Mar 31Oct 14
1968May 5Oct 4Apr 5Nov 8
1967May 3Sep 28May 2Sep 28
1966May 9Oct 1May 1Oct 16
1965Apr 28Sep 24Mar 30Oct 22
1964Apr 8Oct 9Apr 8Oct 9
1963Apr 23Oct 29Apr 4Oct 29
1962Apr 17Oct 24Apr 15Oct 25
1961May 2Sep 28May 2Oct 20
1960May 1Oct 19Apr 10Oct 19
1959May 15Oct 9Apr 13Nov 5
1958Apr 29Oct 11Apr 29Oct 30
1957Apr 14Oct 18Apr 14Oct 24
1956Apr 30Sep 30Apr 30Nov 8
1955Apr 7Oct 15Mar 29Oct 31
1954May 5Oct 18Apr 4Oct 31
1953Apr 20Oct 26Apr 20Oct 27
1952Apr 15Oct 6Apr 10Oct 6
1951Apr 23Sep 28Apr 19Oct 31

"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 1991–2020 frost probabilities.