Florence, South Carolina Spring and Fall Freeze Statistics

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Florence, South Carolina Spring and Fall Freeze Statistics

Florence's average date for the last spring freeze is March 20

Spring freeze statistics sorted by probability

Probability	Date
1%	Feb 15
5%	Feb 24
10%	Mar 1
25%	Mar 10
50%	Mar 20
75%	Mar 29
90%	Apr 7
95%	Apr 12
99%	Apr 22

Earliest last spring freeze: Feb 10, 1975

Latest last spring freeze: April 20, 1983

Spring freeze statistics sorted by date

Date	Probability
Jan 25	0.0%
Feb 1	0.0%
Feb 5	0.1%
Feb 10	0.4%
Feb 15	1.0%
Feb 20	2.4%
Feb 25	5.2%
Mar 1	8.9%
Mar 5	14.3%
Mar 10	23.6%
Mar 15	35.6%
Mar 20	49.3%
Mar 25	63.0%
Mar 30	75.2%
Apr 5	86.4%
Apr 10	92.7%
Apr 15	96.4%
Apr 20	98.4%
Apr 25	99.4%
Apr 30	99.8%
May 5	99.9%
May 10	100.0%

Since 1950, the date of Florence's last spring freeze has shifted 1.1 days earlier per decade.

Florence's average date for the first fall freeze is November 10

Fall freeze statistics sorted by probability

Probability	Date
1%	Oct 16
5%	Oct 24
10%	Oct 28
25%	Nov 3
50%	Nov 10
75%	Nov 17
90%	Nov 24
95%	Dec 5
99%	Dec 11

Earliest first fall freeze: October 14, 1988

Latest first fall freeze: December 11, 1948

Fall freeze statistics sorted by date

Date	Probability
Oct 1	0.0%
Oct 5	0.0%
Oct 10	0.2%
Oct 15	0.6%
Oct 20	2.1%
Oct 25	5.9%
Nov 1	18.2%
Nov 5	29.6%
Nov 10	47.2%
Nov 15	65.4%
Nov 20	80.6%
Nov 25	90.8%
Nov 30	96.4%
Dec 5	98.8%
Dec 10	99.7%
Dec 15	99.9%
Dec 20	100.0%
Dec 25	100.0%
Dec 30	100.0%

Since 1950, the date of Florence's first fall freeze has shifted 0.8 days later per decade.

Florence's average growing season length is 235 days

Growing season statistics sorted by probability

Probability	Days
1%	275
5%	263
10%	257
25%	246
50%	235
75%	223
90%	212
95%	206
99%	194

Shortest growing season: 192 days in 1962

Longest growing season: 273 days in 1997

Growing season statistics sorted by days

Days	Probability
160	100.0%
170	100.0%
180	99.9%
190	99.4%
200	97.5%
210	91.8%
220	79.5%
225	70.6%
230	60.1%
235	48.9%
240	37.8%
245	27.6%
250	18.9%
255	12.2%
260	7.4%
270	2.2%
280	0.5%
290	0.1%
300	0.0%

Since 1950, Florence's growing season has become 1.8 days longer per decade.

Research and Page Author: Tim Armstrong
Last Updated: March 4, 2021

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