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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