Laporte, PA: frost dates by year

Last spring and first fall frost at NOAA station USC00364815, 1992 to 2025, measured from daily minimum temperatures.

Elevation 1,966 ft, 41.423, -76.493. Download the data (JSON), NOAA daily records

Summary at 32°F

	Last spring frost	First fall frost
Median	May 2	Oct 15
Earliest	Apr 14 (2000)	Oct 2 (1997)
Latest	May 23 (2015)	Nov 6 (1995)
Trend	little change (less than half a day per decade)	1.5 days later per decade
Years with data	32	30

At 28°F (hard freeze) the median last spring date is Apr 24 and the median first fall date is Oct 27.

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
2025	Apr 18	Oct 10	Apr 18	Oct 28
2024	Apr 27	Oct 15	Apr 26	Nov 3
2023	May 19	Oct 31	May 19	Oct 31
2022	May 2	Oct 8	Apr 29	Oct 8
2021	May 2	Nov 3	Apr 27	Nov 4
2020	May 14	Oct 17	May 14	Nov 3
2019	Apr 30	Oct 5	Apr 29	Oct 24
2018	Apr 22	Oct 16	Apr 22	Oct 26
2017	May 9	Oct 17	Apr 9	Nov 8
2016	May 16	Oct 12	Apr 14	Oct 26
2015	May 23	Oct 18	Apr 26	Oct 18
2014	Apr 28	Oct 20	Apr 19	Nov 8
2013	May 15	Oct 24	May 14	Nov 4
2012	Apr 30	Oct 8	Apr 28	Oct 13
2011	Apr 23	Oct 28	Apr 22	Oct 28
2010	May 13	Oct 30	Mar 29	Nov 2
2009	Apr 14	Oct 12	Apr 14	Oct 19
2008	May 1	Oct 7	Apr 15	Oct 23
2007	Apr 19	Oct 29	Apr 17	Oct 29
2006	May 7	Oct 13	Apr 26	Oct 13
2005	May 13	Oct 24	Apr 13	Oct 28
2004	May 4	Oct 23	Apr 28	Nov 4
2003	Apr 26	Oct 3	Apr 24	Oct 3
2002	May 22	Oct 14	May 21	Oct 22
2001	Apr 29	Oct 8	Apr 29	Oct 8
2000	Apr 14	no data	Apr 14	no data
1999	Apr 27	Oct 7	Apr 25	Oct 7
1998	Apr 28	Oct 16	Apr 27	Nov 4
1997	May 18	Oct 2	Apr 21	Oct 21
1996	May 14	Oct 4	May 14	Oct 4
1995	Apr 25	Nov 6	Apr 19	Nov 6
1992	May 7	no data	Apr 16	no data

"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.