Frost history / Grayson 3 Sw, KY
Grayson 3 Sw, KY: frost dates by year
Last spring and first fall frost at NOAA station USC00153391, 1951 to 2000, measured from daily minimum temperatures.
Elevation 700 ft, 38.292, -82.975. Download the data (JSON) · NOAA daily records
Summary at 32°F
| Last spring frost | First fall frost | |
|---|---|---|
| Median | May 4 | Oct 8 |
| Earliest | Apr 14 (1987) | Sep 23 (1995) |
| Latest | May 23 (1997) | Oct 25 (1955) |
| Trend | 1.0 days earlier per decade | 1.0 days earlier per decade |
| Years with data | 35 | 37 |
At 28°F (hard freeze) the median last spring date is Apr 17 and the median first fall date is Oct 18.
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 |
|---|---|---|---|---|
| 2000 | May 1 | Oct 8 | Apr 28 | Oct 8 |
| 1999 | Apr 26 | Oct 16 | Apr 15 | Oct 22 |
| 1998 | Apr 14 | Oct 23 | Apr 12 | Oct 24 |
| 1997 | May 23 | Oct 3 | Apr 16 | Oct 22 |
| 1996 | May 15 | Oct 5 | May 15 | Oct 12 |
| 1995 | Apr 29 | Sep 23 | Apr 27 | Oct 17 |
| 1994 | Apr 24 | Oct 10 | Apr 24 | Oct 11 |
| 1993 | Apr 29 | Sep 30 | Apr 28 | Oct 11 |
| 1992 | Apr 30 | Sep 30 | Apr 7 | Oct 18 |
| 1991 | Apr 24 | Oct 7 | Apr 12 | Oct 8 |
| 1990 | Apr 20 | Oct 20 | Apr 20 | Oct 27 |
| 1989 | May 9 | Sep 24 | Apr 15 | Oct 9 |
| 1988 | May 3 | Oct 5 | Apr 30 | Oct 6 |
| 1987 | Apr 14 | Oct 4 | Apr 11 | Oct 4 |
| 1986 | May 6 | Oct 8 | May 5 | Oct 19 |
| 1985 | no data | Oct 8 | no data | Nov 8 |
| 1984 | May 17 | Oct 3 | Apr 11 | Nov 3 |
| 1983 | May 12 | Sep 24 | Apr 26 | Nov 8 |
| 1982 | Apr 29 | Oct 17 | Apr 24 | Oct 23 |
| 1981 | May 9 | Oct 3 | Apr 21 | Oct 14 |
| 1980 | May 11 | Oct 6 | Apr 18 | Oct 6 |
| 1979 | Apr 29 | Oct 14 | Apr 8 | Oct 25 |
| 1978 | May 4 | Oct 9 | Mar 22 | Nov 20 |
| 1977 | May 11 | no data | Apr 10 | no data |
| 1976 | no data | Oct 18 | no data | Oct 18 |
| 1975 | Apr 22 | no data | Apr 14 | no data |
| 1974 | May 8 | Oct 2 | Apr 26 | Oct 3 |
| 1973 | May 18 | Oct 17 | Apr 15 | Nov 6 |
| 1972 | Apr 28 | Oct 20 | Apr 26 | Oct 20 |
| 1971 | May 5 | Oct 8 | May 5 | Nov 4 |
| 1970 | May 8 | Oct 4 | Apr 12 | Oct 17 |
| 1969 | no data | Oct 15 | no data | Oct 18 |
| 1957 | May 6 | Oct 20 | Apr 15 | Oct 20 |
| 1956 | Apr 25 | Oct 11 | Apr 21 | Nov 13 |
| 1955 | May 9 | Oct 25 | Apr 8 | Oct 25 |
| 1954 | May 6 | Oct 8 | Apr 2 | Oct 20 |
| 1953 | no data | Oct 7 | no data | Oct 8 |
| 1952 | May 14 | Oct 4 | Apr 17 | Oct 8 |
| 1951 | Apr 24 | Sep 29 | Apr 18 | Oct 9 |
"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.