Wateree Dam, SC: frost dates by year

Last spring and first fall frost at NOAA station USC00388979, 2011 to 2023, measured from daily minimum temperatures.

Elevation 230 ft, 34.335, -80.703. Download the data (JSON), NOAA daily records

Summary at 32°F

	Last spring frost	First fall frost
Median	Mar 30	Nov 12
Earliest	Mar 7 (2012)	Oct 26 (2013)
Latest	Apr 17 (2018)	Nov 24 (2015)
Trend	11.8 days later per decade	4.0 days later per decade
Years with data	12	13

At 28°F (hard freeze) the median last spring date is Mar 9 and the median first fall date is Nov 24.

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
2023	Mar 22	Nov 2	Feb 4	Nov 3
2022	Apr 10	Nov 18	Mar 14	Nov 21
2021	Apr 4	Nov 14	Mar 9	Nov 24
2020	Mar 9	Nov 3	Mar 2	Dec 2
2019	Apr 3	Nov 9	Mar 8	Nov 13
2018	Apr 17	Nov 22	Mar 16	Nov 28
2017	Mar 20	Nov 18	Mar 18	Dec 10
2016	Apr 10	Nov 20	Feb 28	Dec 12
2015	Mar 30	Nov 24	Mar 29	Dec 19
2014	no data	Nov 3	no data	Nov 16
2013	Mar 30	Oct 26	Mar 28	Nov 14
2012	Mar 7	Nov 1	Mar 6	Nov 25
2011	Mar 13	Nov 12	Feb 14	Nov 12

"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.