Last Frost Day

Frost history / Mansfield 5 W, OH

Mansfield 5 W, OH: frost dates by year

Last spring and first fall frost at NOAA station USC00334874, 1951 to 2019, measured from daily minimum temperatures.

Elevation 1,350 ft, 40.767, -82.617. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianMay 5Oct 4
EarliestApr 11 (1985)Sep 8 (1951)
LatestJun 11 (1972)Oct 25 (2017)
Trend2.9 days earlier per decade4.2 days later per decade
Years with data6362

At 28°F (hard freeze) the median last spring date is Apr 26 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 30Jun 14Jun 291960197019801990200020101951: May 241952: May 31953: Apr 281954: May 221955: May 181956: May 241957: May 71958: May 211959: May 161960: May 21961: May 301962: Apr 241963: May 241964: May 301965: Apr 281966: Jun 21967: May 81968: May 71969: May 261970: May 181971: May 231972: Jun 111973: May 181974: May 81975: May 71976: May 191977: May 91978: May 31979: May 51980: May 101981: Apr 261982: May 11985: Apr 111986: May 51987: May 11988: Apr 261989: May 81990: Apr 191991: Apr 131992: Apr 131993: Apr 281994: May 21995: Apr 261996: May 141997: May 21998: Apr 281999: Apr 252000: Apr 272001: Apr 262002: May 222003: Apr 272004: May 42005: May 42006: May 212007: Apr 182008: Apr 302009: May 182010: May 102012: Apr 292013: May 272015: Apr 282018: Apr 302019: Apr 15

First fall frost (32°F)

Aug 28Sep 12Sep 27Oct 12Oct 27Nov 111960197019801990200020101951: Sep 81952: Oct 41953: Sep 141954: Sep 231955: Sep 131956: Sep 211957: Sep 241958: Oct 21959: Sep 171960: Oct 11961: Sep 291962: Sep 211963: Sep 251964: Sep 141965: Oct 41966: Sep 161967: Sep 231968: Oct 51969: Sep 291970: Sep 291971: Oct 81972: Oct 11973: Sep 191974: Sep 231975: Sep 141976: Oct 161977: Oct 171978: Oct 81979: Oct 111980: Oct 51982: Oct 161984: Oct 41985: Oct 21986: Oct 171987: Oct 41988: Oct 41989: Sep 241990: Oct 251991: Sep 211992: Oct 171993: Oct 31994: Oct 111995: Sep 231996: Oct 41997: Oct 201998: Oct 21999: Sep 222000: Oct 72001: Oct 72002: Oct 142003: Oct 12004: Oct 32005: Oct 232006: Oct 122008: Oct 192010: Oct 162013: Oct 222014: Oct 242015: Oct 172017: Oct 252018: Oct 162019: Oct 18

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

"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.