Last Frost Day

Frost history / Wanakena Rngr School, NY

Wanakena Rngr School, NY: frost dates by year

Last spring and first fall frost at NOAA station USC00308944, 1951 to 2010, measured from daily minimum temperatures.

Elevation 1,510 ft, 44.148, -74.900. Download the data (JSON) · NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianMay 30Sep 16
EarliestApr 29 (1998)Aug 28 (1957)
LatestJun 29 (1988)Oct 7 (1977)
Trend2.9 days earlier per decade2.4 days later per decade
Years with data5655

At 28°F (hard freeze) the median last spring date is May 14 and the median first fall date is Sep 29.

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 141960197019801990200020101951: Jun 81952: May 301953: Jun 111954: May 271955: May 201956: Jun 191957: Jun 91958: Jun 71959: May 251960: Jun 91961: Jun 161962: May 271963: May 251964: Jun 171965: Jun 41966: Jun 21967: May 311968: Jun 171969: May 271970: May 291971: Jun 51972: Jun 111973: Jun 31974: May 271975: May 111976: May 211977: Jun 91978: May 81979: Jun 251980: Jun 91981: May 201982: May 111983: Jun 91984: Jun 11985: May 301986: Jun 31987: May 171988: Jun 291989: May 81990: Jun 111991: May 201992: May 291993: May 301994: May 281995: May 91996: May 261997: May 271998: Apr 291999: May 132000: May 172003: Jun 32005: May 202007: May 232008: May 282009: Jun 12010: May 14

First fall frost (32°F)

Aug 13Aug 28Sep 12Sep 27Oct 121960197019801990200020101951: Sep 81952: Sep 81953: Sep 151954: Sep 151955: Sep 81956: Sep 91957: Aug 281958: Sep 121959: Sep 141960: Sep 161961: Sep 171962: Sep 61963: Sep 141964: Sep 131965: Aug 311966: Sep 161967: Sep 11968: Oct 61969: Sep 181970: Oct 21971: Sep 221972: Sep 281973: Sep 101974: Sep 51975: Sep 101976: Aug 311977: Oct 71978: Sep 101979: Sep 91980: Sep 241981: Sep 291982: Sep 201983: Sep 151984: Sep 161985: Sep 121986: Sep 141987: Sep 271988: Sep 161989: Sep 251990: Sep 171991: Sep 201992: Sep 121993: Sep 201994: Oct 11995: Sep 111996: Sep 241997: Sep 241998: Sep 231999: Sep 232000: Sep 62003: Oct 32004: Sep 192007: Sep 172008: Oct 62009: Sep 20

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

"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 1991–2020 frost probabilities.