Historical Climate Data

Growing Season Summary
Station: 471923 CUMBERLAND, WI

Growing Degree Day Averages
Derived from 1971-2000 Data

 

Element JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC ANN
GDD
Base 40		 0 0 25 196 557 793 962 886 571 248 29 1 4197
GDD
Base 45		 0 0 8 110 408 643 807 731 424 141 11 0 3228
GDD
Base 50		 0 0 2 55 271 494 652 576 285 66 3 0 2366
GDD
Base 55		 0 0 0 24 158 348 497 422 168 23 0 0 1615
GDD
Base 60		 0 0 0 9 79 213 344 272 83 6 0 0 991
MGDD*
Base 50		 0 0 18 134 343 504 638 576 339 143 16 0 2667

*Modified Growing Degree Days: Base 50 Ceiling 86.

Growing Season Summary
Derived from 1971-2000 Averages

  Date of Last Spring Occurrence Date of First Fall Occurrence
Base
Temp
°F		 Median Early 90% 10% Late Median Early 90% 10% Late
32 5/04 4/17 4/24 5/18 5/24 10/02 9/12 9/20 10/13 10/22
30 4/28 4/04 4/12 5/09 5/16 10/07 9/22 9/24 10/20 11/03
28 4/24 3/29 4/09 5/02 5/10 10/15 9/23 10/02 11/02 11/09
24 4/13 3/24 4/03 4/25 5/06 10/30 9/24 10/05 11/14 11/16
20 4/09 3/18 3/24 4/17 5/06 11/05 10/03 10/19 11/16 11/27
16 4/04 3/08 3/16 4/11 4/17 11/12 10/19 10/29 11/26 12/05

Length of Growing Season (Days)
Derived from 1971-2000 Averages

Base
Temp
°F		 Median Shortest 10% 90% Longest
32 151 124 129 164 176
30 161 138 142 183 207
28 176 139 159 202 210
24 199 141 173 218 233
20 213 150 191 234 251
16 221 193 210 246 267