Historical Climate Data

Growing Season Summary
Station: 479335 WISCONSIN RAPIDS, 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 2 38 197 532 780 947 871 567 251 39 2 4229
GDD
Base 45		 0 0 17 111 382 630 792 716 421 145 15 1 3234
GDD
Base 50		 0 0 7 56 249 480 637 562 284 72 4 0 2355
GDD
Base 55		 0 0 2 26 145 334 483 408 170 28 1 0 1599
GDD
Base 60		 0 0 0 11 73 204 330 260 88 8 0 0 979
MGDD*
Base 50		 0 2 30 141 336 496 622 564 347 154 25 1 2721

*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 5/13 4/25 4/28 5/27 5/30 9/25 9/02 9/18 10/05 10/16
30 5/05 4/15 4/25 5/22 5/28 10/02 9/20 9/21 10/10 10/16
28 5/02 4/07 4/22 5/10 5/17 10/05 9/20 9/22 10/17 10/22
24 4/17 3/24 4/06 4/30 5/06 10/17 9/22 10/03 11/08 12/03
20 4/10 3/24 4/02 4/22 4/26 11/01 10/02 10/13 11/13 12/04
16 3/30 2/27 3/15 4/10 4/18 11/07 10/18 10/22 11/21 12/04

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

Base
Temp
°F		 Median Shortest 10% 90% Longest
32 137 97 119 151 171
30 147 118 129 160 171
28 160 126 139 176 177
24 184 143 155 213 225
20 204 161 176 221 233
16 221 194 203 251 258