Last Frost Day

Frost history / Deposit, NY

Deposit, NY: frost dates by year

Last spring and first fall frost at NOAA station USC00302060, 1963 to 2012, measured from daily minimum temperatures.

Elevation 1,000 ft, 42.063, -75.426. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianMay 18Oct 3
EarliestApr 29 (1998)Aug 30 (1965)
LatestJun 11 (1988)Oct 18 (1995)
Trend1.0 days earlier per decade1.3 days later per decade
Years with data4540

At 28°F (hard freeze) the median last spring date is May 7 and the median first fall date is Oct 11.

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 29197019801990200020101963: May 251964: Jun 51965: May 301966: May 151967: May 311968: May 81969: May 271970: May 81971: May 241973: May 181974: May 71975: May 111976: May 231977: May 151978: May 41979: May 31980: Jun 91981: May 201982: May 111983: May 281984: May 181985: May 91987: May 161988: Jun 111989: May 41990: May 121991: May 51992: May 251993: May 301994: May 281995: May 211996: May 251997: May 251998: Apr 291999: May 132000: May 162001: Jun 12002: May 232003: May 42006: May 232007: May 142009: Jun 12010: May 112011: May 62012: May 12

First fall frost (32°F)

Aug 13Aug 28Sep 12Sep 27Oct 12Oct 27197019801990200020101963: Sep 241964: Sep 131965: Aug 301966: Oct 61967: Oct 71968: Oct 61969: Oct 151970: Oct 51971: Oct 131972: Oct 11973: Oct 161974: Sep 241975: Oct 31976: Oct 111977: Oct 81978: Sep 261979: Sep 201980: Oct 101981: Sep 291982: Oct 111983: Oct 111984: Sep 271985: Sep 131987: Oct 51988: Sep 291989: Sep 281990: Sep 181991: Sep 281992: Sep 241993: Sep 201994: Oct 31995: Oct 181996: Oct 41997: Oct 21998: Sep 231999: Oct 62001: Oct 82009: Oct 122010: Oct 102011: Oct 6

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

"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.