Historical Climate Data

Growing Season Summary
Station: 477092 REST LAKE, 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 0 16 129 448 665 813 751 463 183 22 0 3442
GDD
Base 45		 0 0 4 69 310 516 659 597 321 96 7 0 2541
GDD
Base 50		 0 0 0 33 194 371 504 442 198 41 2 0 1762
GDD
Base 55		 0 0 0 14 108 237 352 292 105 14 0 0 1109
GDD
Base 60		 0 0 0 5 51 125 211 160 47 3 0 0 597
MGDD*
Base 50		 0 0 13 99 291 410 518 466 268 110 12 0 2156

*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 5/26 5/01 5/13 6/10 6/22 9/23 8/14 9/05 10/06 10/16
30 5/18 4/28 5/03 6/05 6/22 9/26 9/07 9/19 10/11 11/03
28 5/10 4/17 4/24 6/02 6/22 10/02 9/07 9/21 10/18 11/06
24 4/29 4/06 4/09 5/11 5/19 10/20 9/20 9/25 11/08 11/26
20 4/20 4/01 4/06 5/02 5/05 11/02 10/02 10/13 11/14 2/01
16 4/08 3/18 3/23 4/18 4/26 11/09 10/13 10/20 11/20 2/01

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

Base
Temp
°F		 Median Shortest 10% 90% Longest
32 119 53 94 136 168
30 134 90 107 154 172
28 149 90 113 163 176
24 170 137 144 205 217
20 194 152 171 217 275
16 215 170 191 234 295