Historical Climate Data

Growing Season Summary
Station: 472240 DRUMMOND RANGER STA, 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 3 18 138 457 692 857 814 532 218 23 1 3699
GDD
Base 45		 0 0 6 73 316 544 703 661 386 121 8 0 2784
GDD
Base 50		 0 0 1 36 198 398 549 508 253 59 2 0 1984
GDD
Base 55		 0 0 0 16 111 262 396 358 147 24 0 0 1303
GDD
Base 60		 0 0 0 6 54 147 250 219 72 7 0 0 751
MGDD*
Base 50		 0 1 15 114 309 440 555 525 322 131 11 0 2393

*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 6/01 5/14 5/19 6/18 7/05 9/22 8/03 9/07 10/01 10/09
30 5/30 5/14 5/16 6/16 7/05 9/27 8/27 9/15 10/08 10/16
28 5/16 4/27 4/29 5/31 6/24 10/02 9/16 9/22 10/21 10/21
24 5/01 4/08 4/16 5/18 5/21 10/14 9/17 9/23 10/31 11/05
20 4/17 3/22 4/05 5/07 5/16 10/31 9/20 10/11 11/12 11/22
16 4/10 3/22 3/26 4/23 4/28 11/04 10/10 10/20 11/22 11/30

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

Base
Temp
°F		 Median Shortest 10% 90% Longest
32 115 55 86 132 136
30 123 72 97 136 141
28 143 91 110 158 177
24 165 119 136 192 195
20 192 130 162 217 230
16 215 167 191 233 253