Last Frost Day

Frost history / Medicine Creek Dam, NE

Medicine Creek Dam, NE: frost dates by year

Last spring and first fall frost at NOAA station USC00255388, 1952 to 2014, measured from daily minimum temperatures.

Elevation 2,409 ft, 40.374, -100.233. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianMay 1Oct 1
EarliestApr 11 (2003)Sep 10 (1962)
LatestMay 27 (1992)Nov 1 (1963)
Trend0.6 days later per decade1.5 days earlier per decade
Years with data5855

At 28°F (hard freeze) the median last spring date is Apr 22 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 141960197019801990200020101952: Apr 151953: May 141954: May 41955: Apr 141956: May 21957: Apr 151958: Apr 291959: Apr 221960: Apr 301961: May 11962: May 11963: Apr 231964: May 131965: Apr 281966: May 141967: May 151968: May 201969: Apr 191970: May 21971: Apr 291973: May 161974: Apr 301975: May 11976: May 71977: Apr 261978: May 31979: May 121981: May 121982: Apr 231983: May 161984: May 11985: Apr 241986: Apr 171987: Apr 231988: Apr 281989: May 61990: May 21991: May 71992: May 271993: Apr 221994: May 11995: Apr 281996: Apr 241999: Apr 192000: Apr 252001: Apr 232002: May 112003: Apr 112004: May 142005: May 152006: Apr 272007: Apr 162008: May 122010: Apr 192011: May 172012: May 102013: May 72014: May 18

First fall frost (32°F)

Aug 28Sep 12Sep 27Oct 12Oct 27Nov 111960197019801990200020101952: Oct 61953: Oct 71954: Oct 151955: Oct 241956: Oct 71957: Oct 251958: Oct 11959: Oct 11960: Oct 161961: Sep 151962: Sep 101963: Nov 11964: Sep 271965: Sep 241966: Oct 11967: Sep 281968: Oct 41969: Oct 121970: Sep 261972: Sep 301973: Oct 121975: Sep 251976: Sep 281977: Oct 91978: Sep 211980: Oct 31981: Sep 171982: Sep 211983: Sep 211984: Sep 261985: Sep 241987: Oct 31988: Oct 81989: Sep 231990: Sep 231991: Oct 61992: Oct 91993: Sep 151994: Oct 91995: Sep 221996: Oct 41999: Sep 292000: Sep 252001: Oct 62002: Oct 132003: Sep 192004: Oct 22005: Sep 292006: Sep 192007: Oct 232008: Sep 152009: Sep 292010: Oct 32011: Sep 222012: Oct 2

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
2014May 18no dataMay 2no data
2013May 7no dataMay 4no data
2012May 10Oct 2Apr 23Oct 3
2011May 17Sep 22Apr 17Oct 1
2010Apr 19Oct 3Apr 4Oct 28
2009no dataSep 29no dataOct 9
2008May 12Sep 15Apr 21Oct 17
2007Apr 16Oct 23Apr 16Oct 23
2006Apr 27Sep 19Apr 27Oct 13
2005May 15Sep 29May 4Oct 6
2004May 14Oct 2May 3Nov 1
2003Apr 11Sep 19Apr 10Oct 12
2002May 11Oct 13May 11Oct 13
2001Apr 23Oct 6Apr 18Oct 7
2000Apr 25Sep 25Apr 25Oct 7
1999Apr 19Sep 29Apr 19Oct 4
1996Apr 24Oct 4Apr 17Oct 18
1995Apr 28Sep 22Apr 28Sep 22
1994May 1Oct 9Apr 30Oct 25
1993Apr 22Sep 15Apr 17Oct 10
1992May 27Oct 9Apr 2Oct 17
1991May 7Oct 6Mar 31Oct 6
1990May 2Sep 23May 1Oct 10
1989May 6Sep 23May 2Oct 19
1988Apr 28Oct 8Apr 28Oct 29
1987Apr 23Oct 3Apr 23Oct 11
1986Apr 17no dataApr 17no data
1985Apr 24Sep 24Apr 9Oct 1
1984May 1Sep 26Apr 28Sep 29
1983May 16Sep 21Apr 16Sep 21
1982Apr 23Sep 21Apr 22Oct 11
1981May 12Sep 17Mar 30Oct 19
1980no dataOct 3no dataOct 3
1979May 12no dataMay 11no data
1978May 3Sep 21Apr 25Oct 6
1977Apr 26Oct 9Apr 5Oct 12
1976May 7Sep 28May 3Oct 16
1975May 1Sep 25Apr 12Oct 1
1974Apr 30no dataApr 17no data
1973May 16Oct 12May 15Oct 27
1972no dataSep 30no dataOct 7
1971Apr 29no dataApr 7no data
1970May 2Sep 26Apr 23Oct 15
1969Apr 19Oct 12Apr 1Oct 16
1968May 20Oct 4Apr 24Oct 4
1967May 15Sep 28May 4Oct 16
1966May 14Oct 1May 13Oct 16
1965Apr 28Sep 24Apr 28Sep 24
1964May 13Sep 27Apr 9Oct 6
1963Apr 23Nov 1Apr 5Nov 1
1962May 1Sep 10Apr 13Oct 18
1961May 1Sep 15Apr 17Oct 19
1960Apr 30Oct 16Apr 5Oct 19
1959Apr 22Oct 1Apr 22Oct 17
1958Apr 29Oct 1Apr 24Oct 1
1957Apr 15Oct 25Apr 13Oct 25
1956May 2Oct 7Apr 30Oct 21
1955Apr 14Oct 24Apr 7Oct 24
1954May 4Oct 15May 3Oct 31
1953May 14Oct 7May 14Nov 7
1952Apr 15Oct 6Apr 15Oct 6

"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.