Last Frost Day

Frost history / Osmond, NE

Osmond, NE: frost dates by year

Last spring and first fall frost at NOAA station USC00256395, 1951 to 2007, measured from daily minimum temperatures.

Elevation 1,650 ft, 42.357, -97.597. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianMay 4Sep 28
EarliestApr 14 (1957)Aug 31 (1987)
LatestMay 22 (1963)Oct 29 (1973)
Trend2.1 days earlier per decade0.6 days later per decade
Years with data4846

At 28°F (hard freeze) the median last spring date is Apr 29 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 30196019701980199020001951: May 71953: May 141954: May 91955: May 81956: May 41957: Apr 141958: May 81959: May 151960: May 121961: May 91962: Apr 171963: May 221964: Apr 221966: May 91967: May 151968: May 211969: May 121970: May 31971: May 121972: Apr 241973: May 141974: May 31975: Apr 201976: May 71977: Apr 251978: May 31979: May 111980: May 81983: May 161984: May 91985: Apr 141986: Apr 221987: Apr 231988: Apr 281989: May 71990: May 11991: Apr 231992: Apr 271993: Apr 211994: Apr 301995: May 21996: Apr 301997: May 131998: Apr 172004: May 142005: May 42006: Apr 262007: Apr 15

First fall frost (32°F)

Aug 13Aug 28Sep 12Sep 27Oct 12Oct 27Nov 11196019701980199020001951: Sep 281953: Oct 41954: Oct 161955: Oct 141956: Sep 61957: Oct 171958: Sep 271959: Sep 301960: Sep 301961: Sep 251962: Sep 201963: Oct 281964: Sep 271965: Sep 241966: Sep 151968: Oct 31969: Oct 81970: Sep 261971: Sep 191972: Oct 71973: Oct 291974: Sep 31975: Sep 121976: Sep 281978: Oct 61979: Oct 41982: Sep 211983: Sep 211984: Sep 271985: Sep 241986: Oct 121987: Aug 311988: Oct 41989: Sep 231990: Sep 221991: Sep 191992: Sep 281993: Oct 91994: Oct 91995: Sep 221996: Oct 101997: Oct 132000: Sep 252005: Oct 72006: Oct 122007: Oct 24

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
2007Apr 15Oct 24Apr 15Nov 1
2006Apr 26Oct 12Apr 9Oct 12
2005May 4Oct 7May 3Oct 7
2004May 14no dataMay 3no data
2000no dataSep 25no dataSep 25
1998Apr 17no dataApr 17no data
1997May 13Oct 13May 13Oct 14
1996Apr 30Oct 10Apr 30Oct 10
1995May 2Sep 22Apr 27Sep 22
1994Apr 30Oct 9Apr 29Oct 25
1993Apr 21Oct 9Apr 4Oct 9
1992Apr 27Sep 28Apr 27Oct 16
1991Apr 23Sep 19Mar 30Sep 19
1990May 1Sep 22May 1Oct 10
1989May 7Sep 23Apr 15Sep 23
1988Apr 28Oct 4Apr 19Oct 5
1987Apr 23Aug 31Apr 12Oct 7
1986Apr 22Oct 12Apr 22Oct 12
1985Apr 14Sep 24Apr 7Oct 1
1984May 9Sep 27Apr 30Sep 28
1983May 16Sep 21Apr 27Oct 13
1982no dataSep 21no dataOct 21
1980May 8no dataMay 8no data
1979May 11Oct 4Apr 30Oct 13
1978May 3Oct 6May 2Oct 7
1977Apr 25no dataApr 6no data
1976May 7Sep 28May 3Sep 28
1975Apr 20Sep 12Apr 12Sep 25
1974May 3Sep 3Apr 16Sep 30
1973May 14Oct 29May 3Oct 29
1972Apr 24Oct 7Apr 24Oct 18
1971May 12Sep 19May 2Sep 19
1970May 3Sep 26May 2Oct 10
1969May 12Oct 8Apr 2Oct 8
1968May 21Oct 3May 21Oct 4
1967May 15no dataMay 3no data
1966May 9Sep 15May 9Oct 5
1965no dataSep 24no dataSep 24
1964Apr 22Sep 27Apr 8Oct 9
1963May 22Oct 28May 22Oct 29
1962Apr 17Sep 20Apr 15Oct 23
1961May 9Sep 25May 2Oct 2
1960May 12Sep 30May 12Oct 19
1959May 15Sep 30May 15Oct 9
1958May 8Sep 27Apr 29Oct 1
1957Apr 14Oct 17Apr 14Oct 18
1956May 4Sep 6Apr 30Oct 22
1955May 8Oct 14Apr 7Oct 21
1954May 9Oct 16May 5Oct 16
1953May 14Oct 4May 14Oct 4
1951May 7Sep 28Apr 22Sep 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.