Last Frost Day

Frost history / Madison Sewage Plt, IN

Madison Sewage Plt, IN: frost dates by year

Last spring and first fall frost at NOAA station USC00125237, 1951 to 2010, measured from daily minimum temperatures.

Elevation 460 ft, 38.737, -85.394. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianApr 14Oct 26
EarliestMar 21 (2005)Oct 7 (1952)
LatestMay 7 (1974)Nov 22 (1994)
Trend1.2 days earlier per decade1.5 days later per decade
Years with data4949

At 28°F (hard freeze) the median last spring date is Apr 1 and the median first fall date is Nov 8.

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 16Mar 31Apr 15Apr 30May 151960197019801990200020101951: Apr 231952: Apr 161953: Apr 211954: Apr 31955: Apr 91956: Apr 231957: Apr 161958: Apr 81961: Apr 111962: Apr 201963: May 11964: Apr 101965: Apr 181967: Apr 251968: Mar 261969: Mar 311970: May 31971: Mar 291973: Apr 141974: May 71975: Apr 131976: Apr 281978: Mar 221979: Apr 71980: Apr 171981: Apr 71982: Apr 221983: Apr 251984: Apr 231985: Apr 101986: Apr 241987: Apr 41988: Apr 291989: Apr 141990: Apr 181991: Apr 11992: Apr 61993: Apr 231994: Apr 81995: Apr 52000: Apr 92001: Apr 182002: Apr 72003: Apr 232004: Apr 142005: Mar 212006: Apr 92007: Apr 192009: Mar 30

First fall frost (32°F)

Sep 27Oct 12Oct 27Nov 11Nov 26Dec 111960197019801990200020101951: Nov 31952: Oct 71953: Oct 301955: Oct 251956: Nov 91957: Oct 131958: Oct 121960: Oct 211961: Oct 151963: Nov 21964: Oct 101967: Oct 191968: Oct 301969: Oct 181970: Nov 161974: Oct 211975: Nov 141976: Oct 181977: Oct 171978: Nov 81979: Oct 141980: Oct 261981: Oct 241982: Oct 221983: Nov 41984: Nov 61985: Nov 81986: Nov 101987: Oct 81988: Oct 121989: Nov 31990: Oct 261991: Oct 161992: Oct 191993: Oct 301994: Nov 221995: Nov 31997: Oct 221998: Nov 52000: Oct 82001: Oct 282002: Nov 12003: Nov 82004: Nov 92005: Nov 112006: Oct 252008: Oct 282009: Oct 182010: Nov 5

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

"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.