Historical Climate Data

Growing Season Summary
Station: 475786 NECEDAH, 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 5 54 233 574 821 989 906 625 310 55 3 4490
GDD
Base 45		 0 1 26 139 424 671 835 752 478 194 23 1 3477
GDD
Base 50		 0 0 12 75 287 522 680 598 337 106 7 0 2575
GDD
Base 55		 0 0 4 36 172 375 526 445 215 49 2 0 1788
GDD
Base 60		 0 0 1 16 89 240 372 296 120 18 0 0 1129
MGDD*
Base 50		 0 3 42 171 375 537 658 601 401 200 34 2 2968

*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 5/16 3/30 5/03 6/02 6/21 9/20 8/28 9/07 10/01 10/10
30 5/13 3/30 4/27 5/27 6/04 9/25 8/28 9/08 10/11 10/14
28 5/06 3/27 4/14 5/18 5/25 10/02 9/20 9/21 10/15 11/01
24 4/18 3/26 4/05 5/11 5/17 10/11 9/22 9/28 10/31 11/06
20 4/13 3/24 4/03 4/23 5/04 10/24 9/22 10/05 11/09 11/18
16 4/06 3/17 3/24 4/17 4/22 11/03 10/02 10/19 11/13 11/21

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

Base
Temp
°F		 Median Shortest 10% 90% Longest
32 124 99 105 147 175
30 137 103 114 155 175
28 151 126 133 177 190
24 178 136 146 193 208
20 194 151 168 214 220
16 211 190 194 223 249