About Climate Summary Tables

Growing Season Summary for Station USC00477113 - RHINELANDER, WI

GDD Summary by Month (based on 1991-2020 period)
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 8 49 266 513 659 597 350 90 8 0 2541
GDD
Base 50		 0 0 4 21 156 367 504 442 225 41 2 0 1761
GDD
Base 60		 0 0 0 2 34 122 208 160 58 4 0 0 588
MGDD*
Base 50		 0 0 5 25 178 395 531 470 253 51 4 0 1910

*Modified Growing Degree Days: Base 50 Ceiling 86.

Dates of First & Last Occurrence of Critical Temperature Thresholds Summary (based on 1991-2020 period)
  DATE OF LAST SPRING OCCURRENCE   DATE OF FIRST FALL OCCURRENCE
Base
Temp °F		 Earliest 10% Median 90% Latest . Earliest 10% Median 90% Latest
36 05-13 05-18 05-30 06-08 06-20 . 08-31 09-06 09-19 10-01 10-08
32 04-28 05-09 05-21 06-01 06-07 . 09-12 09-16 09-30 10-08 10-09
28 04-16 04-23 05-06 05-19 05-24 . 09-16 09-23 10-09 10-22 10-31
24 03-24 04-03 04-19 05-09 05-16 . 10-02 10-07 10-23 11-10 11-14
20 03-24 03-26 04-10 04-27 05-12 . 10-12 10-13 11-04 11-20 12-07
16 03-10 03-17 04-06 04-17 04-27 . 10-19 11-01 11-12 11-25 12-09

 

Growing Season Length Summary (based on 1991-2020 period)
Base
Temp °F		 Shortest 10% Median 90% Longest
36 86 91 118 129 139
32 105 110 131 146 156
28 133 135 157 177 182
24 160 166 182 216 227
20 168 179 208 235 249
16 189 199 225 248 261