Last Frost Day

Frost history / Kane 1NNE, PA

Kane 1NNE, PA: frost dates by year

Last spring and first fall frost at NOAA station USC00364432, 1951 to 2024, measured from daily minimum temperatures.

Elevation 1,750 ft, 41.677, -78.804. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianJun 1Sep 17
EarliestMay 2 (2018)Aug 6 (1994)
LatestJul 9 (1963)Oct 20 (2023)
Trend2.6 days earlier per decade3.5 days later per decade
Years with data7072

At 28°F (hard freeze) the median last spring date is May 19 and the median first fall date is Oct 3.

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)

Apr 15Apr 30May 15May 30Jun 14Jun 29Jul 1419601970198019902000201020201951: May 141952: Jun 201953: Jun 21954: Jun 71955: May 211956: May 291957: Jul 21958: Jun 221959: Jun 151960: Jun 101961: Jun 161962: May 121963: Jul 91965: Jun 261966: Jun 181967: Jun 11968: Jun 211970: May 281971: May 291972: Jun 111973: May 221974: May 281975: May 141976: May 241978: Jun 151979: Jun 261980: Jun 171981: Jun 11983: Jun 101984: May 181985: May 221986: Jun 31987: May 171988: Jul 11989: May 291990: Jun 61991: May 91992: Jun 231993: Jun 21994: Jun 91995: May 231996: Jun 11997: Jun 151998: Jun 91999: Jun 192000: May 172001: Jun 12002: May 252003: Jun 42004: Jun 202005: May 202006: Jun 112007: May 192008: May 302009: Jun 12010: May 112011: May 102012: May 182013: May 282014: May 192015: May 242016: Jun 92017: May 102018: May 22019: Jun 42020: May 222021: May 182022: May 182023: May 262024: Jun 1

First fall frost (32°F)

Jul 29Aug 13Aug 28Sep 12Sep 27Oct 12Oct 2719601970198019902000201020201951: Oct 101952: Aug 231953: Sep 91954: Aug 181955: Sep 81956: Sep 101957: Aug 221958: Sep 91959: Sep 121960: Oct 11961: Sep 171962: Sep 201963: Sep 141964: Sep 131965: Aug 301966: Sep 161967: Sep 111968: Aug 281970: Oct 51971: Sep 251972: Sep 101973: Sep 141974: Sep 51975: Sep 101976: Aug 311977: Sep 121978: Sep 261979: Sep 201980: Oct 51981: Sep 211983: Sep 151984: Sep 71985: Sep 121986: Aug 291987: Sep 251988: Aug 221989: Sep 241990: Sep 181991: Sep 211992: Sep 121993: Sep 201994: Aug 61995: Sep 111996: Sep 201997: Sep 41998: Sep 101999: Sep 182000: Sep 62001: Sep 152002: Sep 252003: Sep 212004: Aug 222005: Sep 302006: Sep 302007: Sep 162008: Oct 42009: Sep 212010: Oct 32011: Sep 162012: Oct 92013: Sep 62014: Oct 102015: Oct 112016: Oct 102017: Oct 12018: Oct 162019: Oct 52020: Sep 192021: Oct 192022: Oct 32023: Oct 202024: Oct 8

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
2024Jun 1Oct 8Apr 26Oct 17
2023May 26Oct 20May 19Oct 23
2022May 18Oct 3May 8Oct 21
2021May 18Oct 19May 14Nov 5
2020May 22Sep 19May 22Oct 17
2019Jun 4Oct 5May 15Oct 13
2018May 2Oct 16May 1Oct 19
2017May 10Oct 1May 10Oct 1
2016Jun 9Oct 10May 17Oct 11
2015May 24Oct 11May 24Oct 19
2014May 19Oct 10Apr 25Oct 12
2013May 28Sep 6May 27Oct 26
2012May 18Oct 9May 1Oct 13
2011May 10Sep 16Apr 22Oct 23
2010May 11Oct 3May 11Oct 13
2009Jun 1Sep 21May 19Oct 12
2008May 30Oct 4May 6Oct 4
2007May 19Sep 16May 14Sep 17
2006Jun 11Sep 30May 23Oct 7
2005May 20Sep 30May 18Oct 28
2004Jun 20Aug 22May 30Sep 20
2003Jun 4Sep 21Jun 2Oct 3
2002May 25Sep 25May 23Oct 8
2001Jun 1Sep 15Jun 1Oct 1
2000May 17Sep 6May 16Sep 29
1999Jun 19Sep 18May 20Oct 7
1998Jun 9Sep 10Apr 29Sep 24
1997Jun 15Sep 4May 28Sep 22
1996Jun 1Sep 20May 30Oct 4
1995May 23Sep 11May 14Sep 11
1994Jun 9Aug 6May 28Oct 3
1993Jun 2Sep 20May 30Oct 1
1992Jun 23Sep 12May 28Sep 24
1991May 9Sep 21May 4Sep 22
1990Jun 6Sep 18Jun 5Sep 18
1989May 29Sep 24May 28Sep 25
1988Jul 1Aug 22Jun 10Oct 14
1987May 17Sep 25May 6Oct 5
1986Jun 3Aug 29Jun 3Sep 8
1985May 22Sep 12May 19Oct 12
1984May 18Sep 7May 17Oct 6
1983Jun 10Sep 15Jun 9Sep 25
1981Jun 1Sep 21May 20Oct 9
1980Jun 17Oct 5May 16Oct 10
1979Jun 26Sep 20May 17Sep 24
1978Jun 15Sep 26May 5Sep 29
1977no dataSep 12no dataOct 14
1976May 24Aug 31May 13Sep 25
1975May 14Sep 10May 8Oct 3
1974May 28Sep 5May 11Sep 24
1973May 22Sep 14May 19Sep 21
1972Jun 11Sep 10Jun 11Oct 10
1971May 29Sep 25May 15Oct 8
1970May 28Oct 5May 8Oct 17
1968Jun 21Aug 28May 7Oct 6
1967Jun 1Sep 11Jun 1Oct 13
1966Jun 18Sep 16Jun 1Sep 16
1965Jun 26Aug 30Jun 4Sep 28
1964no dataSep 13no dataSep 13
1963Jul 9Sep 14May 24Sep 14
1962May 12Sep 20May 10Sep 21
1961Jun 16Sep 17May 30Sep 29
1960Jun 10Oct 1May 2Oct 4
1959Jun 15Sep 12May 25Sep 17
1958Jun 22Sep 9Jun 7Sep 29
1957Jul 2Aug 22May 28Sep 27
1956May 29Sep 10May 26Sep 27
1955May 21Sep 8May 21Sep 26
1954Jun 7Aug 18May 26Oct 7
1953Jun 2Sep 9May 29Oct 2
1952Jun 20Aug 23May 30Sep 25
1951May 14Oct 10May 13Oct 10

"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.