Spring and Fall Freeze Climatology for Castle Hayne, NC

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Castle Hayne, North Carolina Spring and Fall Freeze Statistics

Castle Hayne's average date for the last spring freeze is April 2

Spring freeze statistics sorted by probability

Probability	Date
1%	Mar 2
5%	Mar 11
10%	Mar 16
25%	Mar 24
50%	Apr 2
75%	Apr 11
90%	Apr 19
95%	Apr 24
99%	May 3

Earliest last spring freeze: March 12, 1984

Latest last spring freeze: May 8, 1989

Spring freeze statistics sorted by date

Date	Probability
Jan 25	0.0%
Feb 1	0.0%
Feb 5	0.0%
Feb 10	0.0%
Feb 15	0.0%
Feb 20	0.1%
Feb 25	0.3%
Mar 1	0.7%
Mar 5	1.6%
Mar 10	3.8%
Mar 15	8.1%
Mar 20	15.4%
Mar 25	26.0%
Mar 30	39.6%
Apr 5	57.5%
Apr 10	71.5%
Apr 15	82.8%
Apr 20	90.7%
Apr 25	95.6%
Apr 30	98.1%
May 5	99.3%
May 10	99.8%

Since 1950, the date of Castle Hayne's last spring freeze has shifted 1.9 days earlier per decade.

Castle Hayne's average date for the first fall freeze is November 5

Fall freeze statistics sorted by probability

Probability	Date
1%	Oct 7
5%	Oct 15
10%	Oct 20
25%	Oct 28
50%	Nov 5
75%	Nov 13
90%	Nov 21
95%	Nov 26
99%	Dec 4

Earliest first fall freeze: October 4, 1974

Latest first fall freeze: December 3, 1985

Fall freeze statistics sorted by date

Date	Probability
Oct 1	0.2%
Oct 5	0.6%
Oct 10	1.7%
Oct 15	4.4%
Oct 20	9.5%
Oct 25	18.0%
Nov 1	36.1%
Nov 5	48.5%
Nov 10	64.1%
Nov 15	77.6%
Nov 20	87.7%
Nov 25	94.0%
Nov 30	97.5%
Dec 5	99.1%
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 Castle Hayne's first fall freeze has shifted 1.7 days later per decade.

Castle Hayne's average growing season length is 216 days

Growing season statistics sorted by probability

Probability	Days
1%	260
5%	247
10%	240
25%	229
50%	216
75%	203
90%	191
95%	184
99%	171

Shortest growing season: 179 days in 1974

Longest growing season: 251 days in 1978

Growing season statistics sorted by days

Days	Probability
160	99.8%
170	99.1%
180	96.9%
190	91.0%
200	79.4%
210	61.8%
220	41.3%
225	31.5%
230	22.9%
235	15.8%
240	10.3%
245	6.4%
250	3.7%
255	2.0%
260	1.1%
270	0.2%
280	0.0%
290	0.0%
300	0.0%

Since 1950, Castle Hayne's growing season has become 3.7 days longer per decade.

Research and Page Author: Tim Armstrong
Last Updated: February 28, 2021

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