Mc Lean, TX: frost dates by year

Last spring and first fall frost at NOAA station USC00415770, 1962 to 2008, measured from daily minimum temperatures.

Elevation 2,632 ft, 35.236, -100.592. Download the data (JSON), NOAA daily records

Summary at 32°F

	Last spring frost	First fall frost
Median	Apr 6	Oct 29
Earliest	Mar 14 (1963)	Sep 30 (1985)
Latest	May 2 (2005)	Nov 27 (1965)
Trend	2.5 days later per decade	1.5 days earlier per decade
Years with data	36	37

At 28°F (hard freeze) the median last spring date is Mar 27 and the median first fall date is Nov 10.

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
2008	no data	Oct 24	no data	Nov 15
2007	Apr 17	Nov 6	Apr 8	Nov 23
2006	Mar 24	Oct 22	Mar 24	Oct 31
2005	May 2	Oct 24	Mar 27	Nov 16
2003	Apr 8	Nov 5	Mar 29	Nov 6
2002	no data	Oct 24	no data	Nov 25
2001	Mar 27	Nov 20	Mar 27	Nov 27
2000	Apr 16	Oct 9	Mar 17	Nov 7
1999	Mar 20	no data	Mar 15	no data
1998	Apr 4	Nov 6	Mar 21	Dec 9
1997	Mar 30	Oct 25	Mar 15	Oct 26
1996	Apr 15	Oct 21	Mar 31	Nov 17
1995	Apr 12	Nov 2	Apr 11	Nov 11
1994	Apr 30	Nov 15	Apr 6	Nov 23
1993	Apr 15	Oct 27	Mar 17	Oct 29
1992	Apr 3	Nov 4	Mar 11	Nov 4
1991	Mar 31	Oct 29	Mar 14	Oct 29
1990	Apr 6	Oct 21	Mar 25	Nov 4
1989	Apr 11	Oct 19	Apr 11	Oct 19
1988	Apr 11	Nov 13	Mar 19	Nov 17
1987	Apr 6	Nov 10	Mar 30	Nov 10
1986	Apr 14	Oct 12	Mar 20	Nov 10
1985	Mar 31	Sep 30	Mar 31	Nov 11
1984	Apr 4	Oct 19	Mar 29	Nov 2
1983	Apr 15	Nov 10	Apr 14	Nov 10
1982	Apr 6	Oct 20	Apr 6	Nov 3
1981	Mar 19	no data	Mar 9	no data
1980	Apr 14	Oct 24	Mar 17	Oct 29
1979	no data	Nov 1	no data	Nov 6
1978	Mar 25	no data	Mar 16	no data
1972	Apr 3	Oct 31	Mar 29	Oct 31
1970	Apr 5	Oct 8	Apr 5	Oct 28
1969	Mar 29	Oct 13	Mar 25	Nov 4
1968	Apr 5	Nov 10	Apr 4	Nov 10
1967	Mar 19	Nov 3	Mar 18	Nov 3
1966	Apr 21	Oct 19	Apr 20	Nov 2
1965	Mar 29	Nov 27	Mar 27	Nov 27
1964	Apr 8	Nov 19	Mar 30	Nov 19
1963	Mar 14	Nov 14	Mar 14	Nov 18
1962	no data	Nov 8	no data	Dec 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.