About Climate Summary Tables

Growing Season Summary for Station USC00477113 - RHINELANDER, WI

Growing season summary by month
Element JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC ANN
GDD
Base 40		 0 1 19 101 399 663 814 752 492 172 23 1 3435
GDD
Base 45		 0 0 8 49 266 513 659 597 350 91 8 0 2541
GDD
Base 50		 0 0 4 21 156 367 504 442 225 41 3 0 1761
GDD
Base 60		 0 0 0 2 34 122 208 160 58 4 0 0 588
MGDD*
Base 50		 0 1 18 85 250 405 514 467 297 108 18 1 7824

*Modified Growing Degree Days: Base 50 Ceiling 86.

Growing Season Summary - Derived from 1991-2020 Averages
  DATE OF LAST SPRING OCCURRENCE   DATE OF FIRST FALL OCCURRENCE
Base
Temp °F		 Median Early 90% 10% Late . Median Early 90% 10% Late
36 05/27 10/31 06/11 05/10 07/30 . 09/20 08/05 09/07 09/30 02/01
32 05/14 10/31 05/31 04/28 07/30 . 09/29 08/21 09/16 10/12 02/01
28 04/30 10/31 05/17 04/18 06/06 . 10/08 08/30 09/26 10/26 02/01
24 04/21 10/30 05/04 04/06 05/16 . 10/21 09/24 10/05 11/06 02/01
20 04/11 10/30 04/23 03/31 05/10 . 11/01 10/07 10/17 11/16 02/01
16 04/04 10/30 04/18 03/24 04/29 . 11/11 10/17 10/28 11/25 06/01

 

Length of Growing Season (Days) - Derived from 1991-2020 Normals
*Annual/seasonal totals may differ from the sum of the monthly totals due to rounding
Base
Temp °F		 Median Shortest 10% 90% Longest
36 118 88 100 130 138
32 134 102 110 144 156
28 157 128 145 181 199
24 190 159 168 220 234
20 212 178 188 231 248
16 224 192 199 247 260