Morgan City, LA: frost dates by year

Last spring and first fall frost at NOAA station USC00166394, 1951 to 2020, measured from daily minimum temperatures.

Elevation 5 ft, 29.683, -91.176. Download the data (JSON), NOAA daily records

Summary at 32°F

	Last spring frost	First fall frost
Median	Feb 13	Dec 10
Earliest	Jan 4 (2013)	Nov 3 (1951)
Latest	Mar 27 (1955)	Dec 27 (2005)
Trend	1.9 days earlier per decade	2.0 days later per decade
Years with data	64, 10 with no freeze	65, 16 with no freeze

At 28°F (hard freeze) the median last spring date is Jan 31 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
2020	Jan 22	no data	none	no data
2019	none	Nov 13	none	none
2017	Jan 9	none	Jan 9	none
2016	none	none	none	none
2015	Mar 8	none	Jan 9	none
2014	Mar 5	no data	Jan 31	no data
2013	Jan 4	Nov 30	none	none
2012	Feb 13	Dec 21	none	none
2011	Feb 13	none	Feb 6	none
2010	Feb 19	Dec 13	Jan 13	none
2009	Jan 22	Dec 6	none	none
2008	Feb 3	Dec 2	Jan 4	none
2007	Feb 16	none	none	none
2006	Feb 13	Dec 8	none	Dec 8
2005	Jan 25	Dec 27	none	none
2004	Jan 21	Dec 15	none	Dec 24
2003	Jan 25	none	Jan 25	none
2002	Mar 6	none	none	none
2001	Jan 21	Dec 27	Jan 5	none
2000	none	Dec 20	none	Dec 20
1999	Jan 11	none	Jan 6	none
1998	none	none	none	none
1997	no data	none	no data	none
1996	Mar 20	Dec 19	Mar 20	Dec 19
1995	none	no data	none	no data
1994	Feb 2	none	none	none
1993	none	none	none	none
1992	no data	none	no data	none
1991	none	Nov 8	none	none
1990	none	Dec 24	none	Dec 24
1989	Mar 8	Dec 10	Feb 25	Dec 13
1988	Feb 13	Dec 19	Feb 13	none
1987	no data	none	no data	none
1986	Feb 13	none	Feb 13	none
1985	Feb 4	Dec 15	Feb 4	Dec 26
1984	Feb 8	Dec 7	Jan 22	none
1983	Feb 8	Dec 24	none	Dec 24
1982	Feb 11	Dec 13	Jan 18	none
1981	Feb 13	Dec 19	Feb 13	Dec 19
1980	Mar 4	Nov 29	Mar 4	Dec 21
1979	Feb 11	Nov 30	Feb 10	Dec 18
1978	Mar 5	Dec 10	Jan 16	none
1977	Feb 1	Dec 10	Jan 31	none
1976	no data	Nov 29	no data	Dec 1
1975	Feb 26	Dec 19	none	Dec 19
1974	none	Dec 1	none	none
1973	no data	Dec 11	no data	none
1972	Jan 18	no data	Jan 17	no data
1971	Feb 14	none	none	none
1970	Feb 18	Nov 24	Feb 5	none
1969	Jan 12	Nov 15	Jan 6	none
1968	Mar 2	Dec 15	Mar 1	Dec 16
1967	Feb 9	Dec 24	none	none
1966	Feb 25	Nov 3	Feb 4	none
1965	Mar 20	Dec 27	Jan 18	none
1964	Feb 24	Dec 1	Feb 23	none
1963	Feb 23	Dec 15	Jan 26	Dec 15
1962	Jan 14	Dec 10	Jan 14	Dec 12
1961	Feb 1	Dec 25	Jan 31	Dec 25
1960	Mar 6	Dec 2	Mar 4	Dec 2
1959	Jan 23	Nov 7	Jan 17	Nov 18
1958	Feb 14	Nov 29	Feb 14	Dec 15
1957	Jan 19	Dec 1	Jan 19	Dec 12
1956	Mar 9	Nov 10	Jan 20	Nov 27
1955	Mar 27	Nov 29	Feb 12	Dec 16
1954	Mar 7	Dec 14	none	none
1953	Jan 12	Dec 15	none	Dec 15
1952	none	Nov 22	none	Dec 15
1951	Feb 4	Nov 3	Feb 4	Nov 19

"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.