Last Frost Day

Frost history / Conklingville Dam, NY

Conklingville Dam, NY: frost dates by year

Last spring and first fall frost at NOAA station USC00301708, 1976 to 2025, measured from daily minimum temperatures.

Elevation 808 ft, 43.320, -73.926. Download the data (JSON) · NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianApr 30Oct 11
EarliestApr 14 (1991)Sep 20 (1979)
LatestJun 3 (1986)Nov 4 (2021)
Trend2.6 days earlier per decade3.8 days later per decade
Years with data3634

At 28°F (hard freeze) the median last spring date is Apr 21 and the median first fall date is Oct 26.

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 14198019902000201020201976: May 201977: May 101978: May 41979: Apr 241980: Apr 241981: May 191983: May 181984: May 181986: Jun 31987: May 81988: Apr 271989: Apr 291990: May 121991: Apr 141992: May 251993: Apr 281994: Apr 231995: May 71996: May 71997: May 81998: Apr 281999: Apr 272000: Apr 292001: Apr 302010: May 112011: May 62013: Apr 272014: Apr 252015: May 212017: Apr 152018: Apr 242019: Apr 292020: May 132021: Apr 232022: May 12025: Apr 21

First fall frost (32°F)

Sep 12Sep 27Oct 12Oct 27Nov 11198019902000201020201976: Oct 111977: Oct 81978: Sep 261979: Sep 201980: Sep 291981: Sep 291982: Oct 111983: Oct 101985: Oct 121986: Oct 71987: Oct 121988: Oct 71989: Oct 91990: Oct 191991: Sep 301992: Oct 11993: Oct 111994: Oct 111995: Oct 301996: Oct 41997: Oct 21998: Oct 262000: Sep 292012: Oct 132013: Oct 232014: Oct 192015: Oct 32016: Oct 152017: Oct 172018: Oct 182019: Nov 22020: Oct 192021: Nov 42025: Oct 10

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
2025Apr 21Oct 10Apr 10Nov 16
2022May 1no dataApr 18no data
2021Apr 23Nov 4Apr 23Nov 5
2020May 13Oct 19Apr 23Oct 31
2019Apr 29Nov 2Apr 12Nov 8
2018Apr 24Oct 18Apr 23Oct 26
2017Apr 15Oct 17Apr 2Nov 8
2016no dataOct 15no dataOct 31
2015May 21Oct 3May 21Oct 18
2014Apr 25Oct 19Apr 20Nov 14
2013Apr 27Oct 23Apr 21Oct 27
2012no dataOct 13no dataNov 5
2011May 6no dataApr 22no data
2010May 11no dataMar 28no data
2001Apr 30no dataApr 21no data
2000Apr 29Sep 29Apr 14Nov 18
1999Apr 27no dataApr 24no data
1998Apr 28Oct 26Apr 27Nov 4
1997May 8Oct 2Apr 16Oct 23
1996May 7Oct 4Apr 15Oct 5
1995May 7Oct 30Apr 17Nov 5
1994Apr 23Oct 11Apr 23Nov 12
1993Apr 28Oct 11Apr 28Oct 11
1992May 25Oct 1Apr 16Oct 26
1991Apr 14Sep 30Apr 14Oct 29
1990May 12Oct 19Apr 19Oct 26
1989Apr 29Oct 9Apr 23Nov 4
1988Apr 27Oct 7Apr 19Oct 21
1987May 8Oct 12Apr 2Oct 26
1986Jun 3Oct 7May 4Oct 11
1985no dataOct 12no dataOct 29
1984May 18no dataMay 3no data
1983May 18Oct 10May 18Oct 20
1982no dataOct 11no dataOct 23
1981May 19Sep 29May 7Oct 11
1980Apr 24Sep 29Apr 23Sep 29
1979Apr 24Sep 20Apr 21Oct 10
1978May 4Sep 26May 4Sep 26
1977May 10Oct 8Apr 29Oct 8
1976May 20Oct 11Apr 13Oct 12

"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.