Last Frost Day

Frost history / Ellenburg Depot, NY

Ellenburg Depot, NY: frost dates by year

Last spring and first fall frost at NOAA station USC00302574, 2011 to 2022, measured from daily minimum temperatures.

Elevation 950 ft, 44.913, -73.822. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianMay 18Sep 23
EarliestMay 7 (2012)Sep 9 (2018)
LatestMay 30 (2021)Oct 22 (2021)
Trend3.7 days later per decade9.9 days later per decade
Years with data1010

At 28°F (hard freeze) the median last spring date is May 8 and the median first fall date is Oct 13.

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 30May 15May 30Jun 1420202012: May 72013: May 182015: May 232016: May 172017: May 212018: May 192019: May 92020: May 192021: May 302022: May 9

First fall frost (32°F)

Aug 28Sep 12Sep 27Oct 12Oct 2720202011: Sep 182012: Sep 202013: Sep 262015: Sep 262016: Oct 102017: Oct 122018: Sep 92019: Sep 132020: Sep 182021: Oct 22

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
2022May 9no dataMay 8no data
2021May 30Oct 22May 29Oct 24
2020May 19Sep 18May 9Oct 9
2019May 9Sep 13Apr 11Oct 11
2018May 19Sep 9Apr 22Oct 18
2017May 21Oct 12Apr 30Oct 12
2016May 17Oct 10May 11Oct 15
2015May 23Sep 26Apr 16Oct 4
2013May 18Sep 26May 14Oct 24
2012May 7Sep 20May 7Oct 9
2011no dataSep 18no dataOct 24

"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.