Historical Climate Data

Growing Season Summary
Station: 473174 GOODMAN, 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 16 127 421 632 793 714 443 186 27 1 3209
GDD
Base 45		 0 0 5 69 286 485 643 565 305 98 8 0 2349
GDD
Base 50		 0 0 1 34 175 343 492 417 183 44 1 0 1606
GDD
Base 55		 0 0 0 15 95 215 344 272 93 15 0 0 993
GDD
Base 60		 0 0 0 6 43 114 206 146 40 4 0 0 526
MGDD*
Base 50		 0 0 14 96 276 390 506 440 259 112 16 0 2017

*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 4/17 5/14 6/11 6/23 9/23 8/29 9/08 10/03 10/07
30 5/21 4/17 5/07 6/04 6/11 9/23 9/07 9/09 10/04 10/12
28 5/10 4/13 4/24 5/28 6/11 10/03 9/16 9/21 10/14 10/21
24 4/30 4/13 4/16 5/14 5/18 10/11 9/21 9/23 11/04 11/15
20 4/19 3/24 4/03 5/07 5/11 11/04 10/03 10/08 11/13 11/17
16 4/11 3/14 3/23 4/19 4/22 11/07 10/09 10/19 11/18 12/01

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

Base
Temp
°F		 Median Shortest 10% 90% Longest
32 118 76 98 133 156
30 127 99 110 147 158
28 149 108 123 162 169
24 165 126 137 205 216
20 197 145 160 219 233
16 212 179 190 228 262