Frost history / Moore Haven Lock 1, FL
Moore Haven Lock 1, FL: frost dates by year
Last spring and first fall frost at NOAA station USC00085895, 1951 to 2025, measured from daily minimum temperatures.
Elevation 35 ft, 26.840, -81.087. Download the data (JSON), NOAA daily records
Summary at 32°F
| Last spring frost | First fall frost | |
|---|---|---|
| Median | Jan 23 | Dec 22 |
| Earliest | Jan 4 (2008) | Nov 25 (1970) |
| Latest | Mar 4 (1980) | Dec 31 (2000) |
| Trend | 1.5 days earlier per decade | 1.6 days later per decade |
| Years with data | 70, 39 with no freeze | 71, 58 with no freeze |
At 28°F (hard freeze) the median last spring date is Jan 20 and the median first fall date is Dec 16.
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 | none | none | none | none |
| 2024 | none | none | none | none |
| 2023 | no data | none | no data | none |
| 2020 | none | none | none | none |
| 2019 | none | none | none | none |
| 2018 | Jan 5 | none | none | none |
| 2017 | none | none | none | none |
| 2016 | none | none | none | none |
| 2015 | none | none | none | none |
| 2014 | none | none | none | none |
| 2013 | none | none | none | none |
| 2012 | none | none | none | none |
| 2011 | Jan 14 | none | none | none |
| 2010 | Jan 13 | Dec 9 | Jan 12 | Dec 15 |
| 2009 | Feb 6 | none | Feb 6 | none |
| 2008 | Jan 4 | none | none | none |
| 2007 | Feb 20 | none | none | none |
| 2006 | none | none | none | none |
| 2005 | none | none | none | none |
| 2004 | none | none | none | none |
| 2003 | Jan 25 | none | none | none |
| 2002 | none | none | none | none |
| 2001 | Jan 10 | no data | Jan 5 | no data |
| 2000 | none | Dec 31 | none | none |
| 1999 | none | none | none | none |
| 1998 | none | none | none | none |
| 1997 | Jan 20 | none | Jan 20 | none |
| 1996 | Feb 6 | none | none | none |
| 1995 | no data | Dec 25 | no data | none |
| 1994 | none | none | none | none |
| 1993 | none | none | none | none |
| 1992 | none | none | none | none |
| 1991 | none | none | none | none |
| 1990 | none | none | none | none |
| 1989 | none | Dec 24 | none | Dec 24 |
| 1988 | none | none | none | none |
| 1987 | none | none | none | none |
| 1986 | Mar 2 | none | Jan 28 | none |
| 1985 | Jan 23 | Dec 26 | Jan 23 | none |
| 1984 | none | none | none | none |
| 1983 | none | Dec 25 | none | Dec 26 |
| 1982 | no data | none | no data | none |
| 1981 | Feb 5 | Dec 11 | Jan 14 | Dec 11 |
| 1980 | Mar 4 | none | Mar 4 | none |
| 1979 | none | none | none | none |
| 1978 | Feb 23 | none | none | none |
| 1977 | Feb 17 | none | Jan 21 | none |
| 1976 | Jan 18 | no data | none | no data |
| 1975 | none | none | none | none |
| 1974 | none | none | none | none |
| 1973 | Jan 30 | Dec 22 | none | none |
| 1972 | none | none | none | none |
| 1971 | Feb 10 | none | none | none |
| 1970 | Jan 11 | Nov 25 | none | none |
| 1969 | none | none | none | none |
| 1968 | none | Dec 16 | none | Dec 16 |
| 1967 | Feb 26 | none | none | none |
| 1966 | Feb 5 | none | none | none |
| 1965 | Jan 19 | none | none | none |
| 1964 | Jan 16 | none | Jan 2 | none |
| 1963 | none | none | none | none |
| 1962 | Jan 14 | Dec 13 | none | Dec 13 |
| 1961 | Jan 22 | Dec 26 | none | none |
| 1960 | Jan 22 | none | none | none |
| 1959 | Jan 19 | none | none | none |
| 1958 | Feb 21 | none | none | none |
| 1957 | none | Dec 12 | none | none |
| 1956 | Jan 15 | none | Jan 9 | none |
| 1955 | none | none | none | none |
| 1954 | none | none | none | none |
| 1953 | none | none | none | none |
| 1952 | none | none | none | none |
| 1951 | Feb 3 | none | none | none |
"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.