Historical Climate Data

Growing Season Summary
Station: 471676 CLINTONVILLE SEWAGE PLA, 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 28 177 501 760 921 843 555 246 39 2 4008
GDD
Base 45		 0 0 11 97 354 610 767 688 409 140 15 0 3045
GDD
Base 50		 0 0 3 48 224 462 613 533 273 67 4 0 2197
GDD
Base 55		 0 0 1 21 125 319 458 379 157 26 0 0 1469
GDD
Base 60		 0 0 0 8 61 192 306 232 76 8 0 0 875
MGDD*
Base 50		 0 1 20 120 308 478 603 540 337 154 25 1 2548

*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 5/08 4/24 4/26 5/21 6/11 9/28 9/09 9/21 10/14 11/04
30 5/05 4/17 4/24 5/15 5/19 10/06 9/09 9/22 10/17 11/04
28 4/28 4/06 4/11 5/10 5/18 10/09 9/21 9/24 11/02 11/10
24 4/13 3/24 4/05 4/26 5/01 10/23 9/22 10/01 11/10 11/13
20 4/07 3/19 3/23 4/16 4/18 11/05 10/13 10/19 11/15 11/22
16 3/25 2/27 3/16 4/09 4/10 11/15 10/28 11/03 11/29 12/21

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

Base
Temp
°F		 Median Shortest 10% 90% Longest
32 146 104 121 160 184
30 154 115 135 166 184
28 164 128 141 198 211
24 189 151 168 217 234
20 216 187 197 231 235
16 231 216 217 252 279