Frost history / Cairo 3 Nw, NY
Cairo 3 Nw, NY: frost dates by year
Last spring and first fall frost at NOAA station USC00301095, 1979 to 2012, measured from daily minimum temperatures.
Elevation 490 ft, 42.317, -74.033. Download the data (JSON), NOAA daily records
Summary at 32°F
| Last spring frost | First fall frost | |
|---|---|---|
| Median | Apr 30 | Oct 7 |
| Earliest | Apr 17 (1991) | Sep 20 (1979) |
| Latest | May 28 (1994) | Oct 21 (2005) |
| Trend | 2.4 days earlier per decade | 0.7 days later per decade |
| Years with data | 23 | 26 |
At 28°F (hard freeze) the median last spring date is Apr 20 and the median first fall date is Oct 14.
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 |
|---|---|---|---|---|
| 2012 | Apr 26 | no data | Apr 26 | no data |
| 2006 | Apr 30 | no data | Apr 11 | no data |
| 2005 | no data | Oct 21 | no data | Nov 9 |
| 2004 | May 5 | no data | Apr 11 | no data |
| 2003 | May 5 | Oct 3 | Apr 14 | Oct 20 |
| 2002 | no data | Oct 15 | no data | Oct 15 |
| 2001 | May 9 | Oct 9 | Apr 21 | Oct 9 |
| 2000 | Apr 29 | Sep 29 | Apr 15 | Sep 29 |
| 1999 | Apr 26 | Oct 6 | Apr 12 | Oct 8 |
| 1998 | no data | Oct 7 | no data | Nov 4 |
| 1997 | no data | Sep 25 | no data | Oct 23 |
| 1996 | May 15 | Oct 4 | May 14 | Oct 5 |
| 1995 | Apr 25 | Sep 29 | Apr 17 | Oct 31 |
| 1994 | May 28 | Oct 11 | Apr 23 | Oct 12 |
| 1993 | Apr 29 | Sep 20 | Apr 28 | Oct 1 |
| 1992 | no data | Sep 25 | no data | Oct 6 |
| 1991 | Apr 17 | Sep 28 | Apr 4 | Oct 21 |
| 1990 | Apr 20 | Oct 21 | Apr 19 | Oct 21 |
| 1989 | Apr 26 | Sep 25 | Apr 20 | Oct 10 |
| 1988 | Apr 27 | Oct 7 | Apr 26 | Oct 14 |
| 1987 | May 14 | Oct 6 | Apr 27 | Oct 14 |
| 1986 | Apr 24 | Oct 7 | Apr 14 | Oct 11 |
| 1985 | May 9 | Oct 12 | May 9 | Oct 21 |
| 1984 | May 3 | Oct 6 | Apr 22 | Oct 6 |
| 1983 | May 18 | Oct 11 | Apr 23 | Oct 21 |
| 1982 | Apr 29 | Oct 11 | Apr 15 | Oct 18 |
| 1981 | May 19 | Oct 11 | Apr 22 | Oct 12 |
| 1980 | May 10 | Oct 10 | Apr 17 | Oct 10 |
| 1979 | no data | Sep 20 | no data | Oct 31 |
"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.