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 2 27 122 438 699 852 783 533 200 31 1 3688
GDD
Base 45		 0 0 12 60 299 552 699 632 390 110 12 0 2767
GDD
Base 50		 0 0 5 26 183 406 545 480 260 53 4 0 1962
GDD
Base 60		 0 0 1 2 44 151 248 194 76 7 0 0 723
MGDD*
Base 50		 0 2 21 95 267 426 541 488 313 116 18 1 2288

*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