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Home
Midwest Climate
Climate Summaries
Growing Season
Growing Season Summary for Station USW00014898 - GREEN BAY A S INTL AP, WI
Growing season summary by month
Element
JAN
FEB
MAR
APR
MAY
JUN
JUL
AUG
SEP
OCT
NOV
DEC
ANN
GDD
Base 40
0
1
29
171
466
741
902
846
576
245
46
3
4026
GDD
Base 45
0
0
13
92
321
591
747
691
429
140
17
1
3042
GDD
Base 50
0
0
5
43
196
442
592
536
290
70
5
0
2180
GDD
Base 60
0
0
0
7
46
175
285
234
85
10
0
0
843
MGDD*
Base 50
0
1
18
104
268
456
587
539
338
129
22
1
2464
*Modified Growing Degree Days: Base 50 Ceiling 86.
Growing Season Summary - Derived from 1981-2010 Averages
DATE OF LAST SPRING OCCURRENCE
DATE OF FIRST FALL OCCURANCE
Base
Temp °F
Median
Early
90%
10%
Late
.
Median
Early
90%
10%
Late
36
05/18
04/16
06/02
05/01
06/16
.
09/25
09/03
09/13
10/05
10/26
32
05/05
04/08
05/21
04/21
06/06
.
10/03
09/12
09/22
10/16
11/08
28
04/24
03/27
05/08
04/07
05/16
.
10/15
09/19
10/01
11/01
11/11
24
04/10
03/09
04/26
03/28
05/10
.
10/29
09/29
10/11
11/14
12/04
20
04/01
03/01
04/15
03/17
04/30
.
11/10
10/17
10/25
11/25
12/09
16
03/23
02/25
04/05
03/10
04/30
.
11/21
10/21
11/05
12/04
11/19
Length of Growing Season (Days) -
Derived from 1981-2010 Normals
*Annual/seasonal totals may differ from the sum of the monthly totals due to rounding
Base
Temp °F
Median
Shortest
10%
90%
Longest
36
127
88
109
147
167
32
150
117
130
169
200
28
173
126
152
195
218
24
200
163
178
221
250
20
222
189
201
243
266
16
127
163
221
261
250