Historical Climate Data

Growing Season Summary
Station: 478827 VIROQUA 2 NW, 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 3 47 212 524 771 929 853 571 271 47 3 4117
GDD
Base 45		 0 0 22 122 375 622 774 700 424 163 19 1 3137
GDD
Base 50		 0 0 10 64 242 473 619 547 287 86 6 0 2273
GDD
Base 55		 0 0 3 31 136 329 465 395 173 36 1 0 1528
GDD
Base 60		 0 0 0 13 66 198 314 250 90 12 0 0 919
MGDD*
Base 50		 0 2 32 145 325 495 615 554 350 167 28 1 2642

*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 5/14 4/21 4/27 5/28 6/10 9/27 8/28 9/17 10/12 10/17
30 5/07 3/29 4/22 5/27 5/30 9/30 9/07 9/18 10/13 10/17
28 5/03 3/27 4/08 5/17 5/25 10/02 9/07 9/22 10/13 10/30
24 4/15 3/23 3/30 5/03 5/07 10/18 9/22 10/02 11/05 11/07
20 4/09 3/23 3/24 4/20 4/27 11/01 9/22 10/06 11/10 11/15
16 4/04 3/18 3/21 4/18 4/22 11/06 10/10 10/20 11/18 12/07

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

Base
Temp
°F		 Median Shortest 10% 90% Longest
32 139 100 110 155 169
30 144 110 121 164 186
28 152 120 139 176 193
24 183 150 160 206 212
20 201 170 180 223 228
16 217 191 195 245 261