Historical Climate Data

Growing Season Summary
Station: 471978 DANBURY, 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 1 23 167 495 716 889 819 519 223 27 0 3877
GDD
Base 45		 0 0 8 91 350 567 734 665 375 123 10 0 2922
GDD
Base 50		 0 0 2 43 222 419 579 510 245 58 3 0 2082
GDD
Base 55		 0 0 0 18 123 279 425 358 140 22 0 0 1367
GDD
Base 60		 0 0 0 6 59 157 276 218 69 7 0 0 794
MGDD*
Base 50		 0 1 18 125 322 452 579 525 314 135 16 0 2489

*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 5/21 4/29 5/05 6/07 6/22 9/21 8/30 9/08 10/04 10/10
30 5/16 4/11 5/01 5/27 6/11 9/25 9/01 9/18 10/08 10/15
28 5/07 4/11 4/26 5/21 5/27 10/01 9/18 9/22 10/09 10/26
24 4/25 3/25 4/09 5/07 5/11 10/11 9/22 10/02 11/02 11/04
20 4/13 3/24 4/03 4/27 5/10 10/25 10/02 10/10 11/05 11/12
16 4/08 3/21 3/24 4/16 4/21 11/06 10/02 10/20 11/21 11/28

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

Base
Temp
°F		 Median Shortest 10% 90% Longest
32 122 90 98 146 153
30 137 99 117 152 167
28 147 120 126 161 168
24 170 139 147 205 208
20 191 161 173 214 225
16 215 177 193 230 252