Last Frost Day

Frost history / Saint Paul, NE

Saint Paul, NE: frost dates by year

Last spring and first fall frost at NOAA station USC00257515, 1951 to 2009, measured from daily minimum temperatures.

Elevation 1,812 ft, 41.208, -98.461. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianApr 30Oct 5
EarliestApr 6 (1977)Sep 3 (1974)
LatestMay 22 (1963)Nov 3 (1998)
Trend1.7 days earlier per decade1.1 days later per decade
Years with data5454

At 28°F (hard freeze) the median last spring date is Apr 16 and the median first fall date is Oct 16.

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 30196019701980199020001951: May 71952: May 121953: May 141954: May 81955: Apr 71956: May 21957: Apr 141958: Apr 291959: May 151960: May 11961: May 91962: Apr 151963: May 221964: May 131965: Apr 281967: May 41968: May 211969: Apr 291970: May 21971: May 121972: Apr 251973: May 151974: Apr 301975: Apr 201976: May 71977: Apr 61979: May 111981: May 111982: Apr 221983: May 151984: Apr 301985: Apr 141986: Apr 221987: Apr 111989: May 61990: May 21991: May 61992: Apr 281994: Apr 301995: May 21996: Apr 301997: May 131998: Apr 171999: Apr 182000: Apr 212001: Apr 182002: May 22003: Apr 92004: May 142005: May 32006: Apr 262007: Apr 152008: Apr 282009: Apr 28

First fall frost (32°F)

Aug 28Sep 12Sep 27Oct 12Oct 27Nov 11196019701980199020001951: Sep 221952: Oct 61953: Oct 41954: Oct 161955: Oct 151956: Sep 301957: Oct 171958: Oct 11959: Oct 31960: Sep 301961: Sep 251962: Oct 251963: Oct 291964: Oct 51966: Oct 11967: Sep 281968: Oct 41969: Oct 121970: Sep 261971: Sep 191972: Oct 71973: Oct 271974: Sep 31975: Sep 251976: Sep 281977: Oct 91978: Oct 61979: Oct 131980: Oct 31981: Oct 191982: Oct 141983: Sep 231984: Sep 261985: Sep 301986: Oct 111988: Oct 41990: Oct 101991: Sep 191992: Oct 91993: Sep 151994: Oct 91995: Sep 211996: Oct 101997: Oct 251998: Nov 31999: Oct 22000: Sep 252001: Oct 62002: Oct 132003: Oct 252005: Sep 292006: Oct 122007: Oct 232008: Oct 26

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
2009Apr 28no dataApr 7no data
2008Apr 28Oct 26Apr 14Oct 26
2007Apr 15Oct 23Apr 8Nov 1
2006Apr 26Oct 12Mar 28Oct 12
2005May 3Sep 29May 3Oct 24
2004May 14no dataApr 13no data
2003Apr 9Oct 25Apr 9Oct 26
2002May 2Oct 13Apr 25Oct 23
2001Apr 18Oct 6Apr 17Oct 16
2000Apr 21Sep 25Apr 16Oct 6
1999Apr 18Oct 2Apr 18Oct 17
1998Apr 17Nov 3Apr 17Nov 11
1997May 13Oct 25Apr 14Oct 26
1996Apr 30Oct 10Apr 13Oct 30
1995May 2Sep 21Apr 27Sep 22
1994Apr 30Oct 9Apr 29Oct 25
1993no dataSep 15no dataOct 10
1992Apr 28Oct 9Apr 27Oct 17
1991May 6Sep 19Mar 30Sep 19
1990May 2Oct 10May 1Oct 10
1989May 6no dataApr 19no data
1988no dataOct 4no dataOct 28
1987Apr 11no dataApr 3no data
1986Apr 22Oct 11Apr 17Oct 12
1985Apr 14Sep 30Apr 1Oct 1
1984Apr 30Sep 26Mar 24Sep 29
1983May 15Sep 23Apr 15Oct 13
1982Apr 22Oct 14Apr 22Oct 21
1981May 11Oct 19Mar 23Oct 19
1980no dataOct 3no dataOct 25
1979May 11Oct 13Apr 9Oct 13
1978no dataOct 6no dataOct 16
1977Apr 6Oct 9Apr 5Oct 12
1976May 7Sep 28May 3Oct 16
1975Apr 20Sep 25Apr 3Oct 25
1974Apr 30Sep 3Apr 16Oct 2
1973May 15Oct 27Apr 16Oct 29
1972Apr 25Oct 7Apr 24Oct 18
1971May 12Sep 19Apr 7Oct 31
1970May 2Sep 26Apr 23Oct 15
1969Apr 29Oct 12Apr 19Oct 14
1968May 21Oct 4Apr 24Oct 4
1967May 4Sep 28May 4Oct 28
1966no dataOct 1no dataOct 16
1965Apr 28no dataApr 28no data
1964May 13Oct 5Apr 9Oct 9
1963May 22Oct 29May 22Nov 1
1962Apr 15Oct 25Apr 15Oct 25
1961May 9Sep 25May 2Sep 28
1960May 1Sep 30Apr 9Oct 16
1959May 15Oct 3Apr 22Oct 9
1958Apr 29Oct 1Apr 29Oct 1
1957Apr 14Oct 17Apr 14Oct 25
1956May 2Sep 30Apr 29Oct 26
1955Apr 7Oct 15Apr 7Oct 24
1954May 8Oct 16May 5Oct 16
1953May 14Oct 4May 14Oct 24
1952May 12Oct 6Apr 10Oct 6
1951May 7Sep 22Apr 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.