Historical Climate Data

Growing Season Summary
Station: 478968 WAUSAU AIRPORT, 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 30 186 522 763 931 862 555 243 35 2 4135
GDD
Base 45		 0 0 12 104 374 613 776 707 408 138 13 0 3150
GDD
Base 50		 0 0 4 52 242 463 621 552 272 66 3 0 2279
GDD
Base 55		 0 0 1 23 139 318 466 398 159 25 0 0 1533
GDD
Base 60		 0 0 0 9 69 190 314 250 79 6 0 0 920
MGDD*
Base 50		 0 0 19 119 314 478 613 554 321 130 18 0 2571

*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 5/07 4/07 4/23 5/17 5/26 10/02 9/20 9/22 10/13 10/21
30 5/03 4/05 4/20 5/15 5/17 10/04 9/20 9/22 10/18 10/22
28 4/23 3/24 4/06 5/07 5/10 10/13 9/23 9/26 11/03 11/12
24 4/11 3/24 3/29 4/22 5/06 10/31 10/09 10/14 11/12 11/16
20 4/08 3/13 3/22 4/15 4/22 11/07 10/19 10/22 11/16 11/21
16 3/27 2/27 3/15 4/09 4/13 11/13 10/20 11/01 11/28 12/19

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

Base
Temp
°F		 Median Shortest 10% 90% Longest
32 151 122 132 171 177
30 157 126 140 172 200
28 176 139 146 201 213
24 202 156 182 219 233
20 215 190 200 235 243
16 230 194 212 255 278