Historical Climate Data

Growing Season Summary
Station: 473698 HOLCOMBE 1 W, 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 29 192 535 765 903 866 548 259 35 0 3991
GDD
Base 45		 0 0 11 108 389 617 754 711 406 149 13 0 3047
GDD
Base 50		 0 0 3 54 256 469 605 557 273 71 4 0 2208
GDD
Base 55		 0 0 0 23 148 324 456 403 161 29 0 0 1486
GDD
Base 60		 0 0 0 8 73 192 309 255 80 9 0 0 890
MGDD*
Base 50		 0 0 21 133 338 488 596 561 333 156 20 0 2554

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

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

Base
Temp
°F		 Median Shortest 10% 90% Longest
32 139 82 114 157 176
30 149 115 132 165 181
28 167 140 149 191 211
24 195 161 171 215 224
20 214 177 189 220 242
16 222 194 206 257 279