Historical Climate Data

Growing Season Summary
Station: 475516 MINOCQUA DAM, 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 0 11 108 419 648 803 739 446 168 18 0 3364
GDD
Base 45		 0 0 2 55 285 499 648 584 305 87 5 0 2473
GDD
Base 50		 0 0 0 25 175 355 493 429 185 37 1 0 1704
GDD
Base 55		 0 0 0 9 97 223 339 280 95 12 0 0 1058
GDD
Base 60		 0 0 0 3 46 117 198 149 41 2 0 0 559
MGDD*
Base 50		 0 0 10 89 274 397 504 455 262 105 12 0 2112

*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 5/26 5/08 5/11 6/11 6/23 9/25 9/07 9/16 10/11 10/21
30 5/19 4/24 5/04 6/05 6/11 9/28 9/07 9/20 10/13 10/21
28 5/09 4/17 4/25 5/21 6/11 10/03 9/07 9/21 10/25 11/03
24 4/26 4/08 4/10 5/07 5/10 10/20 9/21 10/03 11/11 11/13
20 4/16 3/26 4/03 5/02 5/06 10/31 10/09 10/19 11/14 11/16
16 4/11 3/20 3/25 4/22 4/26 11/09 10/19 10/25 11/16 11/29

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

Base
Temp
°F		 Median Shortest 10% 90% Longest
32 125 91 102 138 165
30 137 92 112 152 166
28 148 112 122 176 189
24 176 145 158 209 217
20 198 160 182 215 222
16 212 176 199 228 250