Historical Climate Data

Growing Season Summary
Station: 475808 NEILLSVILLE 3 SW, 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 2 35 192 512 740 898 838 547 251 36 2 4039
GDD
Base 45		 0 0 15 107 364 590 743 683 401 145 14 0 3054
GDD
Base 50		 0 0 5 53 231 442 588 528 266 71 4 0 2185
GDD
Base 55		 0 0 1 23 128 299 434 374 155 28 1 0 1441
GDD
Base 60		 0 0 0 9 60 172 282 228 78 8 0 0 838
MGDD*
Base 50		 0 1 28 138 328 472 587 541 342 159 24 1 2614

*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 5/18 4/24 5/02 6/07 6/22 9/22 9/03 9/10 10/03 10/06
30 5/11 4/24 4/28 5/31 6/11 9/25 9/03 9/11 10/07 10/16
28 5/05 4/03 4/15 5/24 6/08 10/03 9/09 9/23 10/14 10/21
24 4/21 3/26 4/06 5/13 6/04 10/11 9/23 9/29 11/01 11/11
20 4/10 3/26 4/02 4/22 5/05 10/27 10/02 10/04 11/08 11/12
16 4/06 3/19 3/21 4/18 5/05 11/04 10/02 10/20 11/17 11/27

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

Base
Temp
°F		 Median Shortest 10% 90% Longest
32 125 90 103 150 156
30 138 91 116 156 172
28 152 93 137 175 182
24 178 111 145 193 217
20 198 157 173 216 219
16 215 176 191 233 253