Historical Climate Data

Growing Season Summary
Station: 476357 OWEN, 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 0 22 159 474 715 874 809 507 205 30 1 3801
GDD
Base 45		 0 0 8 86 333 566 720 654 364 114 10 0 2859
GDD
Base 50		 0 0 3 41 210 418 566 499 235 54 3 0 2033
GDD
Base 55		 0 0 0 18 117 280 412 347 133 20 0 0 1332
GDD
Base 60		 0 0 0 7 57 162 264 206 65 5 0 0 769
MGDD*
Base 50		 0 0 13 103 287 445 565 512 305 122 17 0 2374

*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 5/17 4/21 4/27 6/09 6/22 9/24 8/18 9/04 10/07 10/10
30 5/12 4/21 4/26 5/27 6/11 10/02 9/03 9/16 10/14 10/22
28 4/29 3/29 4/10 5/10 6/11 10/04 9/18 9/23 10/22 11/01
24 4/19 3/24 4/03 5/01 5/07 10/19 9/25 10/03 11/05 11/16
20 4/08 3/21 3/25 4/23 5/06 11/04 10/02 10/09 11/14 11/16
16 4/05 3/15 3/16 4/13 5/06 11/09 10/10 10/20 11/28 12/20

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

Base
Temp
°F		 Median Shortest 10% 90% Longest
32 132 70 104 151 156
30 142 112 118 159 177
28 159 112 139 185 195
24 187 144 160 211 224
20 211 151 183 224 237
16 219 181 193 251 279