Stormville, NY: frost dates by year

Last spring and first fall frost at NOAA station USC00308304, 1990 to 2007, measured from daily minimum temperatures.

Elevation 915 ft, 41.533, -73.733. Download the data (JSON), NOAA daily records

Summary at 32°F

	Last spring frost	First fall frost
Median	Apr 25	Oct 22
Earliest	Apr 11 (2007)	Sep 29 (2000)
Latest	May 7 (1996)	Nov 11 (2005)
Trend	7.0 days earlier per decade	8.9 days later per decade
Years with data	17	17

At 28°F (hard freeze) the median last spring date is Apr 9 and the median first fall date is Nov 4.

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)

First fall frost (32°F)

Dots are single years. The gray line is the median, the green line the fitted trend.

Year by year

Year	Last spring 32°F	First fall 32°F	Last spring 28°F	First fall 28°F
2007	Apr 11	no data	Apr 11	no data
2006	Apr 26	Oct 27	Mar 23	Nov 4
2005	Apr 15	Nov 11	Mar 26	Nov 18
2004	Apr 16	Nov 4	Apr 6	Nov 9
2003	Apr 18	Oct 20	Apr 8	Nov 8
2002	May 1	Oct 22	Apr 7	Oct 24
2001	Apr 28	Oct 8	Apr 19	Nov 11
2000	Apr 18	Sep 29	Apr 14	Nov 19
1999	Apr 25	Oct 7	Apr 11	Nov 8
1998	Apr 28	Nov 3	Mar 25	Nov 4
1997	Apr 20	Oct 22	Apr 15	Oct 23
1996	May 7	Oct 4	Apr 9	Nov 3
1995	May 7	Nov 4	Apr 17	Nov 6
1994	Apr 23	Nov 11	Apr 22	Nov 11
1993	Apr 28	Oct 10	Apr 7	Oct 11
1992	Apr 29	Oct 1	Apr 15	Oct 20
1991	Apr 19	Sep 30	Apr 3	Oct 29
1990	no data	Oct 27	no data	Oct 27

"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.