Last Frost Day

Frost history / Cresco 1 Ne, IA

Cresco 1 Ne, IA: frost dates by year

Last spring and first fall frost at NOAA station USC00131954, 1951 to 2019, measured from daily minimum temperatures.

Elevation 1,255 ft, 43.389, -92.094. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianMay 7Oct 1
EarliestApr 9 (1977)Sep 13 (1975)
LatestMay 29 (1965)Oct 31 (1971)
Trend1.0 days later per decade0.8 days earlier per decade
Years with data6768

At 28°F (hard freeze) the median last spring date is Apr 25 and the median first fall date is Oct 10.

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 141960197019801990200020101951: Apr 261952: Apr 241953: May 131954: May 71956: May 161957: May 41958: May 71959: Apr 211960: May 111961: May 101962: Apr 201963: May 231964: Apr 151965: May 291966: May 111967: May 221968: May 51969: Apr 291970: May 61971: May 121972: Apr 261973: May 31975: May 21976: May 71977: Apr 91978: May 61979: May 121980: May 71981: May 191982: Apr 281983: May 151984: May 11985: Apr 111986: May 31987: May 51988: May 171989: May 111990: May 111991: Apr 221992: May 61993: May 171994: May 71995: May 11996: May 131997: May 211998: Apr 281999: May 92000: May 152001: Apr 242002: May 202003: May 212004: May 152005: May 52006: May 222007: May 172008: May 152009: May 172010: May 102011: May 172012: Apr 232013: May 132014: May 172015: Apr 282016: May 152017: May 42018: Apr 292019: May 12

First fall frost (32°F)

Aug 28Sep 12Sep 27Oct 12Oct 27Nov 111960197019801990200020101951: Sep 281952: Oct 31953: Oct 71954: Oct 71955: Oct 151956: Sep 301957: Sep 271958: Oct 11959: Oct 91960: Oct 181961: Sep 281962: Sep 201963: Oct 281964: Sep 281965: Oct 121966: Oct 161967: Sep 291969: Oct 141970: Oct 101971: Oct 311972: Sep 301973: Oct 301974: Sep 221975: Sep 131976: Sep 221977: Oct 61978: Sep 281979: Sep 221980: Sep 261981: Sep 281982: Oct 161983: Sep 231984: Sep 261985: Oct 11986: Oct 61987: Oct 31988: Oct 41989: Sep 231990: Oct 101991: Sep 191992: Sep 291993: Sep 301994: Oct 101995: Sep 221996: Oct 31997: Oct 11998: Oct 81999: Sep 212000: Sep 252001: Sep 252002: Sep 242003: Sep 292004: Sep 292005: Oct 82006: Sep 202007: Sep 152008: Oct 42009: Oct 52010: Oct 32011: Sep 152012: Sep 232013: Oct 142014: Oct 52015: Oct 142016: Oct 82017: Oct 162018: Sep 292019: Oct 12

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
2019May 12Oct 12May 3Oct 12
2018Apr 29Sep 29Apr 29Oct 12
2017May 4Oct 16Apr 28Oct 29
2016May 15Oct 8May 15Oct 13
2015Apr 28Oct 14Apr 27Oct 17
2014May 17Oct 5Apr 19Oct 11
2013May 13Oct 14May 13Oct 20
2012Apr 23Sep 23Apr 17Oct 7
2011May 17Sep 15May 4Oct 1
2010May 10Oct 3May 9Oct 3
2009May 17Oct 5Apr 17Oct 10
2008May 15Oct 4Apr 30Oct 4
2007May 17Sep 15Apr 16Oct 25
2006May 22Sep 20May 6Oct 12
2005May 5Oct 8May 5Oct 8
2004May 15Sep 29May 15Oct 3
2003May 21Sep 29Apr 22Oct 1
2002May 20Sep 24May 3Oct 13
2001Apr 24Sep 25Apr 19Oct 7
2000May 15Sep 25Apr 25Oct 6
1999May 9Sep 21Apr 24Oct 4
1998Apr 28Oct 8Apr 11Oct 14
1997May 21Oct 1May 16Oct 15
1996May 13Oct 3May 13Oct 3
1995May 1Sep 22Apr 23Oct 15
1994May 7Oct 10Apr 22Oct 10
1993May 17Sep 30Apr 26Oct 10
1992May 6Sep 29May 6Sep 29
1991Apr 22Sep 19Apr 22Sep 20
1990May 11Oct 10May 2Oct 19
1989May 11Sep 23May 7Oct 3
1988May 17Oct 4Apr 24Oct 5
1987May 5Oct 3May 5Oct 3
1986May 3Oct 6Apr 22Oct 15
1985Apr 11Oct 1Apr 9Oct 11
1984May 1Sep 26Apr 7Sep 26
1983May 15Sep 23Apr 21Oct 13
1982Apr 28Oct 16Apr 28Oct 21
1981May 19Sep 28May 11Oct 2
1980May 7Sep 26Apr 24Oct 5
1979May 12Sep 22Apr 10Oct 6
1978May 6Sep 28May 2Oct 8
1977Apr 9Oct 6Apr 8Oct 13
1976May 7Sep 22Apr 26Sep 24
1975May 2Sep 13Apr 13Oct 2
1974no dataSep 22no dataSep 22
1973May 3Oct 30Apr 17Oct 30
1972Apr 26Sep 30Apr 9Oct 17
1971May 12Oct 31Apr 24Oct 31
1970May 6Oct 10Apr 10Oct 10
1969Apr 29Oct 14Apr 1Oct 14
1968May 5no dataApr 24no data
1967May 22Sep 29May 3Oct 26
1966May 11Oct 16May 10Oct 29
1965May 29Oct 12Apr 28Oct 24
1964Apr 15Sep 28Apr 15Oct 9
1963May 23Oct 28May 1Oct 29
1962Apr 20Sep 20Apr 20Oct 24
1961May 10Sep 28May 1Sep 28
1960May 11Oct 18Apr 18Oct 19
1959Apr 21Oct 9Apr 21Oct 12
1958May 7Oct 1Apr 29Oct 1
1957May 4Sep 27Apr 14Oct 11
1956May 16Sep 30Apr 30Oct 9
1955no dataOct 15no dataOct 24
1954May 7Oct 7May 7Oct 30
1953May 13Oct 7May 13Oct 7
1952Apr 24Oct 3Apr 13Oct 3
1951Apr 26Sep 28Apr 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.