Last Frost Day

Frost history / Glens Falls Farm, NY

Glens Falls Farm, NY: frost dates by year

Last spring and first fall frost at NOAA station USC00303284, 1956 to 2012, measured from daily minimum temperatures.

Elevation 504 ft, 43.325, -73.678. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianMay 12Sep 29
EarliestApr 19 (1991)Aug 24 (1971)
LatestJun 13 (1974)Oct 20 (1990)
Trend1.7 days earlier per decade3.3 days later per decade
Years with data5255

At 28°F (hard freeze) the median last spring date is Apr 29 and the median first fall date is Oct 7.

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 291960197019801990200020101957: May 171958: May 101959: May 181960: May 21961: May 311962: May 121963: May 241964: May 211965: Apr 301966: May 111967: May 301968: May 81969: May 271970: May 71971: Jun 11972: May 261973: May 81974: Jun 131975: Jun 91976: May 231977: May 141978: May 41979: May 61981: May 181982: May 51983: May 191984: May 121986: May 31987: May 81988: May 121989: Apr 301990: May 121991: Apr 191992: May 241993: Apr 281994: May 281995: May 71996: May 161997: May 191998: Apr 291999: May 132000: May 32001: May 12002: May 222003: May 172006: Apr 292007: May 242008: May 52009: Jun 12010: May 122011: May 52012: May 6

First fall frost (32°F)

Aug 13Aug 28Sep 12Sep 27Oct 12Oct 271960197019801990200020101956: Sep 191957: Sep 271958: Oct 21959: Sep 161960: Oct 21961: Oct 51962: Sep 211963: Sep 141964: Sep 161965: Sep 281966: Sep 271967: Sep 121968: Sep 301969: Sep 191970: Sep 301971: Aug 241972: Sep 211973: Sep 171974: Sep 51975: Sep 101976: Sep 241977: Oct 71978: Sep 101979: Sep 201980: Sep 291981: Sep 301982: Oct 111983: Oct 91984: Sep 161985: Oct 71986: Oct 71987: Oct 31988: Oct 61989: Sep 251990: Oct 201991: Sep 221992: Sep 241993: Sep 201994: Oct 31995: Sep 291996: Oct 41997: Oct 21998: Sep 241999: Oct 62000: Sep 292001: Oct 92002: Oct 142004: Oct 62006: Oct 82007: Oct 132008: Oct 72009: Oct 112010: Sep 222011: Oct 32012: Oct 11

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

"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.