Frost history / Ray Brook, NY
Ray Brook, NY: frost dates by year
Last spring and first fall frost at NOAA station USC00306957, 1971 to 2003, measured from daily minimum temperatures.
Elevation 1,620 ft, 44.296, -74.103. Download the data (JSON) · NOAA daily records
Summary at 32°F
| Last spring frost | First fall frost | |
|---|---|---|
| Median | May 30 | Sep 13 |
| Earliest | May 9 (1989) | Aug 28 (2003) |
| Latest | Jun 30 (1988) | Sep 30 (1981) |
| Trend | 2.4 days earlier per decade | 1.0 days later per decade |
| Years with data | 22 | 24 |
At 28°F (hard freeze) the median last spring date is May 14 and the median first fall date is Sep 24.
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 |
|---|---|---|---|---|
| 2003 | Jun 4 | Aug 28 | May 5 | Oct 7 |
| 2002 | no data | Sep 24 | no data | Oct 8 |
| 1999 | Jun 16 | Sep 23 | May 14 | Oct 7 |
| 1998 | May 27 | Sep 24 | Apr 29 | Sep 24 |
| 1997 | May 28 | Sep 22 | May 9 | Sep 24 |
| 1996 | May 30 | Sep 24 | May 14 | Oct 4 |
| 1995 | May 10 | Sep 11 | May 9 | Sep 24 |
| 1994 | May 21 | Sep 5 | May 15 | Oct 1 |
| 1993 | May 30 | Sep 20 | May 14 | Sep 20 |
| 1992 | Jun 16 | Sep 2 | May 26 | Sep 24 |
| 1991 | May 21 | Sep 13 | May 19 | Sep 22 |
| 1990 | May 25 | Sep 18 | May 5 | Sep 19 |
| 1989 | May 9 | Sep 25 | Apr 30 | Sep 25 |
| 1988 | Jun 30 | Sep 8 | Apr 27 | Sep 16 |
| 1987 | May 19 | Sep 4 | May 17 | Sep 27 |
| 1986 | no data | Sep 14 | no data | Oct 7 |
| 1981 | May 21 | Sep 30 | May 20 | Sep 30 |
| 1980 | Jun 17 | no data | May 28 | no data |
| 1979 | no data | Sep 9 | no data | Sep 20 |
| 1978 | no data | Sep 8 | no data | Sep 14 |
| 1977 | Jun 9 | no data | Jun 4 | no data |
| 1976 | no data | Aug 31 | no data | Aug 31 |
| 1975 | Jun 10 | no data | May 6 | no data |
| 1974 | May 21 | Sep 5 | May 21 | Sep 24 |
| 1973 | Jun 3 | Sep 10 | May 15 | Sep 21 |
| 1972 | Jun 11 | Sep 23 | May 11 | Oct 10 |
| 1971 | Jun 5 | Sep 22 | May 24 | Nov 5 |
"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.