Historical Climate Data

Growing Season Summary
Station: 478229 STOUGHTON, 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		 1 5 52 214 570 814 984 896 629 313 65 7 4418
GDD
Base 45		 0 1 25 122 421 666 829 743 482 196 27 3 3411
GDD
Base 50		 0 0 10 61 282 518 674 590 340 108 10 1 2516
GDD
Base 55		 0 0 4 28 166 374 519 438 215 49 2 0 1741
GDD
Base 60		 0 0 1 12 83 238 365 291 118 18 0 0 1092
MGDD*
Base 50		 0 3 35 136 347 523 658 587 392 198 39 3 2837

*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 5/03 4/10 4/14 5/12 5/28 10/06 9/07 9/19 10/16 11/03
30 4/27 3/26 4/08 5/11 5/16 10/08 9/17 9/22 10/30 11/04
28 4/21 3/26 4/08 5/03 5/10 10/08 9/17 9/22 10/31 11/05
24 4/08 3/24 3/27 4/22 5/09 10/25 9/24 10/05 11/14 11/25
20 4/02 3/16 3/18 4/12 4/19 11/07 9/24 10/17 11/27 12/07
16 3/24 2/17 3/06 4/09 4/11 11/20 10/14 10/22 12/07 12/20

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

Base
Temp
°F		 Median Shortest 10% 90% Longest
32 156 119 130 180 203
30 162 138 142 201 212
28 169 139 152 203 212
24 203 140 175 224 231
20 217 166 205 247 266
16 245 195 209 279 280