Last Frost Day

Frost history / Bridgeport, NE

Bridgeport, NE: frost dates by year

Last spring and first fall frost at NOAA station USC00251145, 1951 to 2021, measured from daily minimum temperatures.

Elevation 3,666 ft, 41.668, -103.104. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianMay 13Sep 26
EarliestApr 14 (2012)Sep 2 (1952)
LatestJun 14 (1969)Oct 18 (1963)
Trend1.5 days earlier per decade1.2 days later per decade
Years with data6866

At 28°F (hard freeze) the median last spring date is Apr 28 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)

Mar 31Apr 15Apr 30May 15May 30Jun 14Jun 2919601970198019902000201020201951: Jun 21952: May 111953: May 151954: Jun 31955: Apr 281956: May 141957: May 161958: May 11959: May 141960: May 201961: May 151962: May 151963: May 201964: Jun 21965: May 271966: May 241967: May 151968: May 191969: Jun 141970: May 151971: May 121972: May 31973: May 141974: May 221975: May 71976: May 171977: Apr 211978: May 131979: May 111980: May 131981: May 191982: May 71983: May 141984: May 81985: Apr 271986: Apr 281987: Apr 221988: May 41989: May 61990: May 101991: May 61992: May 261993: May 21994: Apr 301995: May 51996: Apr 291997: May 121998: Apr 291999: May 112000: May 132001: Apr 232002: May 122003: May 202004: May 132005: May 282006: May 102010: May 122011: May 32012: Apr 142013: May 52014: May 142015: May 212016: May 182017: May 212018: Apr 292019: May 222020: May 82021: May 13

First fall frost (32°F)

Aug 28Sep 12Sep 27Oct 12Oct 2719601970198019902000201020201951: Sep 221952: Sep 21953: Sep 211954: Sep 211955: Oct 71956: Sep 231957: Sep 221958: Sep 251960: Oct 41961: Sep 251962: Sep 91963: Oct 181964: Sep 271965: Sep 161966: Oct 11967: Sep 271968: Oct 61969: Oct 61970: Sep 261971: Sep 191972: Sep 211973: Oct 111974: Sep 121975: Sep 201976: Sep 91977: Oct 91978: Sep 211979: Oct 41980: Oct 31981: Oct 11982: Sep 201983: Sep 201984: Sep 241985: Sep 231986: Sep 271987: Sep 211988: Sep 301989: Sep 131990: Oct 71991: Sep 191992: Sep 281993: Sep 131994: Sep 241995: Sep 211996: Sep 261997: Oct 91998: Oct 71999: Sep 292000: Sep 242002: Sep 222003: Oct 12004: Oct 142006: Sep 252007: Oct 162010: Oct 132011: Sep 222012: Oct 42013: Sep 282014: Oct 32015: Oct 162016: Oct 72017: Oct 102018: Sep 262019: Oct 32020: Sep 92021: Sep 17

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
2021May 13Sep 17Apr 24Oct 11
2020May 8Sep 9Apr 21Oct 11
2019May 22Oct 3May 10Oct 3
2018Apr 29Sep 26Apr 25Oct 7
2017May 21Oct 10Apr 5Oct 10
2016May 18Oct 7Apr 28Oct 7
2015May 21Oct 16May 11Oct 24
2014May 14Oct 3May 2Oct 28
2013May 5Sep 28May 5Oct 16
2012Apr 14Oct 4Apr 9Oct 7
2011May 3Sep 22May 1Oct 19
2010May 12Oct 13May 10Oct 20
2007no dataOct 16no dataOct 16
2006May 10Sep 25Apr 26Sep 28
2005May 28no dataMay 2no data
2004May 13Oct 14May 2Nov 1
2003May 20Oct 1Apr 10Oct 14
2002May 12Sep 22May 9Sep 22
2001Apr 23no dataApr 23no data
2000May 13Sep 24Apr 16Sep 25
1999May 11Sep 29Apr 18Sep 29
1998Apr 29Oct 7Apr 29Oct 18
1997May 12Oct 9Apr 27Oct 22
1996Apr 29Sep 26Apr 29Oct 18
1995May 5Sep 21Apr 27Sep 22
1994Apr 30Sep 24Apr 28Oct 23
1993May 2Sep 13Apr 21Sep 14
1992May 26Sep 28Apr 26Oct 8
1991May 6Sep 19May 5Oct 5
1990May 10Oct 7May 10Oct 9
1989May 6Sep 13May 6Oct 18
1988May 4Sep 30May 4Oct 8
1987Apr 22Sep 21Apr 22Oct 6
1986Apr 28Sep 27Apr 19Oct 12
1985Apr 27Sep 23Apr 27Sep 24
1984May 8Sep 24Apr 28Sep 25
1983May 14Sep 20May 12Sep 20
1982May 7Sep 20May 7Oct 7
1981May 19Oct 1Apr 14Oct 1
1980May 13Oct 3Apr 17Oct 10
1979May 11Oct 4May 11Oct 4
1978May 13Sep 21May 9Sep 21
1977Apr 21Oct 9Apr 7Oct 9
1976May 17Sep 9Apr 7Sep 28
1975May 7Sep 20Apr 14Sep 21
1974May 22Sep 12May 12Sep 28
1973May 14Oct 11Apr 22Oct 12
1972May 3Sep 21May 1Sep 26
1971May 12Sep 19Apr 28Sep 19
1970May 15Sep 26May 2Sep 26
1969Jun 14Oct 6Jun 2Oct 12
1968May 19Oct 6Apr 29Oct 9
1967May 15Sep 27May 15Sep 27
1966May 24Oct 1Apr 30Oct 1
1965May 27Sep 16Apr 28Sep 24
1964Jun 2Sep 27Apr 14Sep 27
1963May 20Oct 18Apr 25Oct 28
1962May 15Sep 9May 2Sep 9
1961May 15Sep 25May 6Sep 30
1960May 20Oct 4May 2Oct 20
1959May 14no dataApr 22no data
1958May 1Sep 25Apr 30Oct 1
1957May 16Sep 22Apr 28Sep 22
1956May 14Sep 23Apr 29Oct 14
1955Apr 28Oct 7Apr 21Oct 7
1954Jun 3Sep 21Jun 2Oct 15
1953May 15Sep 21May 13Sep 21
1952May 11Sep 2May 11Oct 5
1951Jun 2Sep 22Apr 22Sep 27

"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.