Historical Climate Data

Growing Season Summary
Station: 478951 WAUPACA, 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 41 214 552 796 965 897 610 291 55 3 4345
GDD
Base 45		 0 0 17 124 402 647 810 742 463 175 23 1 3340
GDD
Base 50		 0 0 6 65 266 498 655 587 322 92 7 0 2450
GDD
Base 55		 0 0 2 31 157 353 500 432 198 40 2 0 1681
GDD
Base 60		 0 0 0 13 80 221 347 282 106 13 0 0 1042
MGDD*
Base 50		 0 2 27 136 334 506 640 585 368 168 30 1 2747

*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 5/05 4/11 4/23 5/18 5/27 10/04 9/20 9/23 10/17 10/22
30 5/03 4/05 4/12 5/11 5/14 10/07 9/22 9/24 10/26 11/10
28 4/21 3/26 4/05 5/03 5/08 10/11 9/22 9/26 10/31 11/10
24 4/11 3/24 3/30 4/26 5/08 11/01 9/23 10/11 11/14 12/02
20 4/05 3/13 3/20 4/12 5/06 11/10 10/20 10/25 11/22 12/03
16 3/25 2/27 3/15 4/07 4/09 11/18 10/31 11/04 12/03 12/21

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

Base
Temp
°F		 Median Shortest 10% 90% Longest
32 152 133 135 167 177
30 160 138 142 180 200
28 177 140 154 201 211
24 205 157 176 221 237
20 219 181 200 247 261
16 235 217 218 261 280