Last Frost Day

Frost history / Madrid, NE

Madrid, NE: frost dates by year

Last spring and first fall frost at NOAA station USC00255090, 1951 to 2021, measured from daily minimum temperatures.

Elevation 3,200 ft, 40.851, -101.543. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianMay 6Oct 4
EarliestApr 14 (1957)Sep 3 (1974)
LatestMay 27 (1992)Oct 24 (1994)
Trend0.5 days later per decade0.6 days later per decade
Years with data6161

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 1419601970198019902000201020201951: May 71952: May 111953: May 141954: May 31955: Apr 281956: May 141957: Apr 141958: Apr 301959: Apr 281960: Apr 301961: May 11962: May 11963: May 221964: Apr 181965: May 101966: May 131967: May 151968: May 91969: May 91970: May 21971: May 121972: May 71973: May 31974: May 31975: May 11976: May 171977: Apr 221978: May 41979: May 111980: Apr 181981: May 101982: May 71983: May 191984: May 71985: Apr 271986: Apr 201987: Apr 221988: May 41989: May 61990: May 101991: May 61992: May 271993: May 21994: May 11995: Apr 271996: Apr 301997: May 111998: May 21999: May 102000: May 132001: Apr 242002: May 92003: May 202004: May 142007: Apr 252015: May 122016: May 22017: Apr 292019: May 122020: May 132021: May 13

First fall frost (32°F)

Aug 28Sep 12Sep 27Oct 12Oct 27Nov 1119601970198019902000201020201951: Sep 271952: Oct 61953: Oct 41954: Oct 151955: Oct 71956: Oct 141957: Oct 241958: Oct 11959: Oct 11960: Sep 301961: Sep 251962: Sep 101963: Sep 291964: Sep 271965: Sep 241966: Oct 11967: Sep 271968: Oct 41969: Oct 51970: Sep 261971: Sep 191972: Sep 261973: Oct 111974: Sep 31975: Sep 201976: Sep 281977: Oct 91978: Oct 61979: Oct 41980: Oct 111981: Oct 181982: Oct 111983: Sep 201984: Sep 251985: Sep 241986: Oct 111987: Oct 61988: Oct 81989: Sep 131990: Sep 231991: Oct 51992: Oct 81993: Sep 141994: Oct 241995: Sep 221996: Oct 31997: Oct 81998: Oct 171999: Sep 292000: Sep 242001: Oct 52002: Oct 132003: Sep 192004: Oct 142005: Sep 292006: Sep 182015: Oct 162016: Oct 72018: Oct 52019: Oct 72020: Oct 13

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 13no dataApr 24no data
2020May 13Oct 13Apr 19Oct 20
2019May 12Oct 7May 2Oct 11
2018no dataOct 5no dataOct 11
2017Apr 29no dataApr 11no data
2016May 2Oct 7Apr 28Nov 9
2015May 12Oct 16Apr 21Oct 29
2007Apr 25no dataApr 13no data
2006no dataSep 18no dataOct 11
2005no dataSep 29no dataOct 5
2004May 14Oct 14Apr 14Oct 31
2003May 20Sep 19Apr 10Oct 15
2002May 9Oct 13May 9Oct 13
2001Apr 24Oct 5Apr 23Oct 16
2000May 13Sep 24Apr 21Oct 6
1999May 10Sep 29Apr 17Oct 17
1998May 2Oct 17Apr 21Oct 20
1997May 11Oct 8May 2Oct 24
1996Apr 30Oct 3Apr 29Oct 18
1995Apr 27Sep 22Apr 27Oct 14
1994May 1Oct 24Apr 30Oct 24
1993May 2Sep 14May 2Oct 9
1992May 27Oct 8Apr 26Oct 15
1991May 6Oct 5May 1Oct 6
1990May 10Sep 23May 1Oct 9
1989May 6Sep 13May 6Oct 17
1988May 4Oct 8Apr 27Oct 28
1987Apr 22Oct 6Apr 22Oct 10
1986Apr 20Oct 11Apr 16Oct 12
1985Apr 27Sep 24Apr 9Sep 26
1984May 7Sep 25Apr 28Sep 29
1983May 19Sep 20Apr 18Sep 21
1982May 7Oct 11Apr 30Oct 11
1981May 10Oct 18May 10Oct 22
1980Apr 18Oct 11Apr 14Oct 11
1979May 11Oct 4May 4Nov 1
1978May 4Oct 6Apr 25Oct 6
1977Apr 22Oct 9Apr 5Oct 11
1976May 17Sep 28May 6Sep 28
1975May 1Sep 20Apr 9Oct 17
1974May 3Sep 3Apr 16Sep 30
1973May 3Oct 11May 2Oct 28
1972May 7Sep 26May 7Oct 18
1971May 12Sep 19Apr 28Oct 28
1970May 2Sep 26May 2Oct 8
1969May 9Oct 5Apr 28Oct 12
1968May 9Oct 4Apr 28Oct 18
1967May 15Sep 27May 4Sep 27
1966May 13Oct 1May 13Oct 1
1965May 10Sep 24Apr 28Sep 24
1964Apr 18Sep 27Apr 8Sep 27
1963May 22Sep 29Apr 23Oct 27
1962May 1Sep 10Apr 13Oct 18
1961May 1Sep 25Apr 17Oct 19
1960Apr 30Sep 30Apr 30Oct 19
1959Apr 28Oct 1Apr 22Oct 3
1958Apr 30Oct 1Apr 29Oct 1
1957Apr 14Oct 24Apr 14Oct 25
1956May 14Oct 14Apr 29Oct 31
1955Apr 28Oct 7Apr 7Oct 24
1954May 3Oct 15May 3Oct 15
1953May 14Oct 4May 14Oct 4
1952May 11Oct 6Apr 14Oct 6
1951May 7Sep 27Apr 23Sep 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.