Last Frost Day

Frost history / Gordon 6N, NE

Gordon 6N, NE: frost dates by year

Last spring and first fall frost at NOAA station USC00253355, 1951 to 2023, measured from daily minimum temperatures.

Elevation 3,748 ft, 42.897, -102.203. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianMay 15Sep 23
EarliestApr 27 (2007)Sep 2 (1952)
LatestJun 14 (1969)Oct 28 (1963)
Trend1.1 days earlier per decade2.8 days later per decade
Years with data6059

At 28°F (hard freeze) the median last spring date is May 6 and the median first fall date is Oct 7.

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)

Apr 15Apr 30May 15May 30Jun 14Jun 2919601970198019902000201020201951: Jun 31952: May 281953: May 151954: May 51955: May 101956: May 141957: May 231958: May 61959: May 231960: May 211961: May 261962: May 21963: May 221964: Jun 21965: May 91966: May 241967: May 191968: May 201969: Jun 141970: May 41971: May 191972: May 71973: May 221974: May 311981: May 191982: May 71984: May 281988: May 41989: May 261990: May 101991: May 61992: May 261993: May 21994: May 11995: May 181996: May 121997: May 101998: May 81999: May 122000: May 132001: May 72002: May 252003: May 202004: May 142005: May 162006: May 102007: Apr 272008: May 152009: May 172010: May 142011: May 262012: May 132013: May 52014: May 152015: May 222016: May 152017: May 252018: Apr 292019: May 222020: May 11

First fall frost (32°F)

Aug 28Sep 12Sep 27Oct 12Oct 27Nov 1119601970198019902000201020201952: Sep 21953: Sep 51954: Sep 181955: Sep 111956: Sep 61957: Sep 101958: Sep 271959: Sep 31960: Sep 301961: Sep 141963: Oct 281964: Sep 201965: Sep 161966: Oct 11969: Oct 61970: Sep 131971: Sep 171972: Sep 211973: Sep 151974: Sep 31980: Sep 221981: Sep 161982: Sep 201983: Sep 191988: Oct 41989: Sep 111990: Sep 231991: Sep 181992: Sep 281993: Sep 131994: Oct 91995: Sep 191996: Sep 261997: Oct 91998: Oct 51999: Sep 272000: Sep 232001: Oct 52002: Oct 52003: Sep 182004: Oct 22005: Oct 52006: Sep 192007: Sep 142008: Oct 132009: Oct 32010: Oct 172011: Oct 152012: Oct 42013: Oct 52014: Sep 122015: Oct 162016: Oct 52017: Oct 32018: Sep 282019: Oct 32020: Sep 72022: Oct 72023: 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
2023no dataOct 6no dataOct 25
2022no dataOct 7no dataOct 24
2020May 11Sep 7May 10Oct 15
2019May 22Oct 3May 2Oct 9
2018Apr 29Sep 28Apr 18Oct 4
2017May 25Oct 3Apr 28Oct 9
2016May 15Oct 5Apr 20Oct 7
2015May 22Oct 16May 12Oct 29
2014May 15Sep 12May 11Oct 3
2013May 5Oct 5May 3Oct 5
2012May 13Oct 4Apr 12Oct 4
2011May 26Oct 15May 2Oct 19
2010May 14Oct 17May 9Nov 5
2009May 17Oct 3Apr 29Oct 3
2008May 15Oct 13May 12Oct 14
2007Apr 27Sep 14Apr 15Oct 28
2006May 10Sep 19Apr 26Oct 11
2005May 16Oct 5May 4Oct 7
2004May 14Oct 2May 14Oct 14
2003May 20Sep 18May 20Oct 26
2002May 25Oct 5May 24Oct 13
2001May 7Oct 5Apr 24Oct 6
2000May 13Sep 23May 13Oct 5
1999May 12Sep 27Apr 19Sep 29
1998May 8Oct 5May 2Oct 21
1997May 10Oct 9Apr 17Oct 13
1996May 12Sep 26May 12Oct 18
1995May 18Sep 19May 4Sep 20
1994May 1Oct 9Apr 30Oct 24
1993May 2Sep 13May 2Sep 13
1992May 26Sep 28May 26Oct 8
1991May 6Sep 18May 6Sep 18
1990May 10Sep 23May 10Oct 7
1989May 26Sep 11May 7Oct 17
1988May 4Oct 4Apr 28Oct 28
1984May 28no dataMay 7no data
1983no dataSep 19no dataSep 20
1982May 7Sep 20May 7Oct 11
1981May 19Sep 16Apr 14Sep 17
1980no dataSep 22no dataOct 11
1974May 31Sep 3May 14Sep 22
1973May 22Sep 15May 14Sep 17
1972May 7Sep 21Apr 24Sep 21
1971May 19Sep 17Apr 28Oct 9
1970May 4Sep 13May 2Sep 26
1969Jun 14Oct 6May 17Oct 8
1968May 20no dataMay 19no data
1967May 19no dataMay 11no data
1966May 24Oct 1May 19Oct 1
1965May 9Sep 16Apr 27Sep 16
1964Jun 2Sep 20May 31Sep 27
1963May 22Oct 28May 22Oct 28
1962May 2no dataMay 2no data
1961May 26Sep 14Apr 28Sep 14
1960May 21Sep 30May 11Sep 30
1959May 23Sep 3May 23Sep 29
1958May 6Sep 27May 1Sep 27
1957May 23Sep 10Apr 14Oct 17
1956May 14Sep 6May 6Sep 6
1955May 10Sep 11May 5Oct 7
1954May 5Sep 18May 3Sep 21
1953May 15Sep 5May 15Sep 21
1952May 28Sep 2May 11Sep 22
1951Jun 3no dataMay 7no data

"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.