Growing Season Summary for Station USW00014837 - MADISON DANE RGNL AP, WI

Growing season summary by month
Element JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC ANN
GDD
Base 40		 1 5 54 234 535 810 970 905 630 294 69 6 4512
GDD
Base 45		 0 1 26 137 385 660 815 750 482 180 31 2 3470
GDD
Base 50		 0 0 11 71 250 510 660 595 340 97 11 1 2546
GDD
Base 60		 0 0 1 13 67 229 351 290 118 16 1 0 1086
MGDD*
Base 50		 1 3 35 143 316 518 649 592 382 164 35 2 2839

*Modified Growing Degree Days: Base 50 Ceiling 86.

Growing Season Summary - Derived from 1981-2010 Averages
  DATE OF LAST SPRING OCCURRENCE   DATE OF FIRST FALL OCCURANCE
Base
Temp °F		 Median Early 90% 10% Late . Median Early 90% 10% Late
36 05/17 04/19 06/01 04/29 07/06 . 09/26 08/27 09/14 10/07 10/25
32 05/02 04/07 05/20 04/18 06/10 . 10/05 09/12 09/23 10/18 11/03
28 04/22 03/27 05/08 04/06 05/23 . 10/17 09/20 10/02 11/01 11/16
24 04/10 03/08 04/26 03/28 05/12 . 10/29 10/02 10/12 11/14 11/29
20 04/01 02/25 04/16 03/17 05/09 . 11/09 10/09 10/25 11/25 12/09
16 03/23 02/25 04/08 03/08 04/19 . 11/21 10/19 11/03 12/04 12/14

 

Length of Growing Season (Days) - Derived from 1981-2010 Normals
*Annual/seasonal totals may differ from the sum of the monthly totals due to rounding
Base
Temp °F		 Median Shortest 10% 90% Longest
36 130 54 111 151 168
32 152 107 132 173 186
28 176 130 154 197 215
24 200 159 178 221 251
20 221 169 200 242 267
16 130 159 219 262 251