Historical Climate Data

Growing Season Summary
Station: 471847 COUDERAY 7 W, 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 26 137 466 697 893 822 484 208 25 1 3724
GDD
Base 45		 0 0 10 76 329 551 742 670 345 113 10 0 2820
GDD
Base 50		 0 0 3 37 213 409 591 518 220 51 3 0 2029
GDD
Base 55		 0 0 0 15 122 277 442 369 122 19 0 0 1358
GDD
Base 60		 0 0 0 5 62 166 297 233 60 5 0 0 824
MGDD*
Base 50		 0 1 15 96 313 451 593 537 302 135 15 1 2432

*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 6/06 5/06 5/13 6/26 7/12 9/14 8/06 8/24 10/06 10/12
30 5/28 4/30 5/07 6/17 7/12 9/21 8/15 9/04 10/06 10/12
28 5/27 4/22 4/29 6/15 6/17 9/26 8/15 9/07 10/12 11/01
24 5/13 4/08 4/15 5/30 6/02 10/02 9/06 9/19 10/17 11/06
20 4/21 3/26 4/05 5/18 5/26 10/13 9/24 9/27 11/06 11/10
16 4/08 3/14 3/20 5/03 5/17 11/01 9/24 10/15 11/13 11/16

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

Base
Temp
°F		 Median Shortest 10% 90% Longest
32 108 36 76 126 153
30 114 76 85 144 153
28 132 82 92 149 173
24 142 109 115 177 205
20 174 137 141 212 216
16 207 165 167 231 240