Last Frost Day

Frost history / Chambers, NE

Chambers, NE: frost dates by year

Last spring and first fall frost at NOAA station USC00251590, 1951 to 2016, measured from daily minimum temperatures.

Elevation 2,129 ft, 42.203, -98.747. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianMay 2Oct 1
EarliestApr 6 (1977)Sep 6 (1956)
LatestMay 28 (1965)Oct 28 (1963)
Trend0.6 days earlier per decade1.2 days later per decade
Years with data4746

At 28°F (hard freeze) the median last spring date is Apr 27 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 141960197019801990200020101951: May 71952: Apr 151953: May 141954: May 91955: May 101956: Apr 301957: Apr 141958: Apr 291959: May 151960: Apr 301961: May 91962: Apr 171963: May 221964: May 131965: May 281966: May 131967: May 41969: May 111977: Apr 61978: May 21979: May 121980: May 91981: May 111983: Apr 181984: May 11985: Apr 151987: Apr 121989: May 61990: May 11992: Apr 281993: Apr 221994: Apr 301995: Apr 281996: Apr 301997: May 131998: Apr 191999: Apr 192000: May 132001: Apr 232002: May 192006: Apr 262007: Apr 142012: Apr 122013: May 62014: May 172015: May 192016: May 14

First fall frost (32°F)

Aug 28Sep 12Sep 27Oct 12Oct 27Nov 111960197019801990200020101951: Sep 281952: Oct 21953: Sep 211954: Sep 221955: Oct 151956: Sep 61957: Oct 171958: Oct 11959: Sep 301960: Sep 301963: Oct 281964: Sep 271965: Sep 241966: Oct 11969: Oct 81977: Oct 91978: Oct 61979: Oct 41980: Oct 31981: Sep 171982: Sep 251983: Sep 201984: Sep 251985: Sep 241986: Oct 121991: Sep 191992: Sep 291993: Oct 91994: Oct 91995: Sep 221996: Oct 101997: Oct 131999: Sep 292000: Sep 252002: Sep 272003: Sep 252004: Oct 22005: Sep 292007: Oct 222008: Oct 142009: Sep 292011: Oct 192012: Oct 22013: Oct 182014: Oct 42015: Oct 16

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
2016May 14no dataApr 12no data
2015May 19Oct 16Apr 23Oct 29
2014May 17Oct 4May 16Oct 29
2013May 6Oct 18May 3Oct 18
2012Apr 12Oct 2Apr 12Oct 10
2011no dataOct 19no dataOct 20
2009no dataSep 29no dataOct 9
2008no dataOct 14no dataOct 27
2007Apr 14Oct 22Apr 13Nov 3
2006Apr 26no dataApr 26no data
2005no dataSep 29no dataOct 7
2004no dataOct 2no dataOct 14
2003no dataSep 25no dataOct 26
2002May 19Sep 27May 3Oct 13
2001Apr 23no dataApr 18no data
2000May 13Sep 25Apr 16Oct 6
1999Apr 19Sep 29Apr 17Oct 2
1998Apr 19no dataApr 19no data
1997May 13Oct 13Apr 17Oct 25
1996Apr 30Oct 10Apr 22Oct 10
1995Apr 28Sep 22Apr 27Sep 22
1994Apr 30Oct 9Apr 30Oct 24
1993Apr 22Oct 9Apr 16Oct 9
1992Apr 28Sep 29Apr 27Oct 9
1991no dataSep 19no dataSep 19
1990May 1no dataMay 1no data
1989May 6no dataMay 2no data
1987Apr 12no dataApr 5no data
1986no dataOct 12no dataOct 13
1985Apr 15Sep 24Apr 10Oct 1
1984May 1Sep 25May 1Sep 26
1983Apr 18Sep 20Apr 16Oct 13
1982no dataSep 25no dataNov 3
1981May 11Sep 17May 10Oct 22
1980May 9Oct 3May 8Oct 24
1979May 12Oct 4May 11Oct 4
1978May 2Oct 6Apr 22Oct 16
1977Apr 6Oct 9Apr 6Oct 12
1969May 11Oct 8Mar 31Oct 14
1967May 4no dataMay 2no data
1966May 13Oct 1May 13Oct 16
1965May 28Sep 24Apr 28Sep 24
1964May 13Sep 27May 13Sep 27
1963May 22Oct 28May 22Oct 28
1962Apr 17no dataApr 17no data
1961May 9no dataMay 2no data
1960Apr 30Sep 30Apr 30Oct 19
1959May 15Sep 30May 15Oct 9
1958Apr 29Oct 1Apr 29Oct 1
1957Apr 14Oct 17Apr 14Oct 24
1956Apr 30Sep 6Apr 29Oct 4
1955May 10Oct 15Apr 7Oct 21
1954May 9Sep 22May 8Oct 16
1953May 14Sep 21May 14Oct 4
1952Apr 15Oct 2Apr 10Oct 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.