Frost history / Glen St Mary 1 W, FL
Glen St Mary 1 W, FL: frost dates by year
Last spring and first fall frost at NOAA station USC00083470, 1951 to 2015, measured from daily minimum temperatures.
Elevation 128 ft, 30.272, -82.186. Download the data (JSON), NOAA daily records
Summary at 32°F
| Last spring frost | First fall frost | |
|---|---|---|
| Median | Mar 12 | Nov 18 |
| Earliest | Jan 28 (1990) | Oct 27 (1962) |
| Latest | Apr 21 (2001) | Dec 21 (2001) |
| Trend | 2.9 days earlier per decade | 1.2 days later per decade |
| Years with data | 50 | 48, 1 with no freeze |
At 28°F (hard freeze) the median last spring date is Feb 19 and the median first fall date is Dec 2.
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 |
|---|---|---|---|---|
| 2015 | no data | Dec 20 | no data | none |
| 2014 | Feb 14 | Nov 3 | Jan 9 | Nov 19 |
| 2013 | Mar 3 | Nov 29 | Mar 3 | none |
| 2012 | Feb 14 | Nov 25 | Feb 14 | Dec 23 |
| 2011 | Feb 14 | Nov 12 | Jan 25 | Nov 12 |
| 2010 | Mar 8 | Nov 8 | Mar 8 | Dec 2 |
| 2009 | Mar 4 | Nov 28 | Mar 4 | none |
| 2008 | Mar 26 | Oct 29 | Feb 28 | Nov 19 |
| 2007 | no data | Nov 17 | no data | none |
| 2006 | Mar 27 | Nov 18 | Feb 14 | none |
| 2005 | Mar 3 | Nov 23 | Feb 19 | Dec 23 |
| 2004 | Mar 23 | Dec 15 | Feb 19 | Dec 15 |
| 2003 | Feb 12 | Nov 30 | Jan 28 | Nov 30 |
| 2002 | Mar 6 | Nov 23 | Mar 6 | none |
| 2001 | Apr 21 | Dec 21 | Mar 8 | Dec 27 |
| 2000 | Mar 13 | Nov 15 | Feb 7 | Nov 22 |
| 1999 | Mar 29 | Nov 4 | Mar 5 | Dec 2 |
| 1998 | Mar 14 | Dec 16 | Mar 13 | Dec 18 |
| 1997 | Feb 14 | Nov 17 | Jan 20 | Nov 17 |
| 1996 | Mar 14 | no data | Mar 10 | no data |
| 1995 | Feb 22 | Nov 15 | Feb 9 | Dec 11 |
| 1994 | Mar 17 | none | Feb 4 | none |
| 1993 | Mar 19 | Nov 1 | Mar 15 | Dec 12 |
| 1992 | Feb 10 | Nov 29 | Feb 9 | none |
| 1991 | Feb 18 | Nov 13 | Feb 17 | Nov 25 |
| 1990 | Jan 28 | no data | Jan 27 | no data |
| 1989 | Feb 26 | Nov 17 | Feb 25 | Dec 4 |
| 1988 | Mar 17 | Dec 2 | Jan 29 | Dec 13 |
| 1987 | Feb 11 | Nov 16 | Feb 11 | Dec 17 |
| 1984 | Mar 10 | no data | Mar 2 | no data |
| 1983 | Feb 9 | no data | Feb 9 | no data |
| 1980 | no data | Nov 22 | no data | none |
| 1979 | Mar 27 | no data | Feb 10 | no data |
| 1978 | no data | Dec 6 | no data | Dec 10 |
| 1976 | Mar 18 | Nov 6 | Feb 8 | Nov 6 |
| 1975 | Mar 6 | no data | Feb 9 | no data |
| 1972 | no data | Nov 27 | no data | Dec 18 |
| 1971 | no data | Nov 11 | no data | none |
| 1970 | Mar 17 | no data | Feb 6 | no data |
| 1969 | Mar 15 | Nov 15 | Mar 14 | Nov 15 |
| 1967 | Mar 1 | no data | Feb 27 | no data |
| 1966 | Mar 9 | Nov 3 | Mar 8 | Nov 4 |
| 1965 | Mar 9 | Dec 1 | Feb 26 | Dec 1 |
| 1964 | no data | Dec 1 | no data | Dec 1 |
| 1963 | Mar 24 | Nov 3 | Feb 28 | Nov 3 |
| 1962 | Apr 17 | Oct 27 | Mar 18 | Dec 7 |
| 1961 | Mar 11 | Nov 30 | Jan 31 | Dec 25 |
| 1960 | Apr 11 | Dec 1 | Mar 22 | Dec 1 |
| 1959 | Mar 13 | Nov 29 | Feb 22 | Nov 29 |
| 1958 | Mar 22 | Nov 30 | Feb 22 | Dec 16 |
| 1957 | Mar 10 | Oct 29 | Mar 10 | Dec 1 |
| 1956 | Mar 26 | Nov 10 | Mar 21 | Nov 23 |
| 1955 | Mar 30 | Nov 29 | Feb 14 | Nov 29 |
| 1954 | Mar 17 | no data | Mar 17 | no data |
| 1953 | Mar 6 | Nov 27 | Jan 30 | Dec 17 |
| 1952 | Mar 17 | Oct 30 | Feb 8 | Dec 12 |
| 1951 | Mar 15 | Nov 4 | Feb 9 | Nov 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 to 2020 frost probabilities.