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