Historical Climate Data

Growing Season Summary
Station: 476122 NORTH PELICAN, 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 14 117 416 637 777 715 433 178 18 0 3266
GDD
Base 45		 0 0 5 61 280 488 623 561 292 94 5 0 2378
GDD
Base 50		 0 0 1 29 169 342 469 407 175 42 1 0 1612
GDD
Base 55		 0 0 0 12 90 210 316 259 91 14 0 0 979
GDD
Base 60		 0 0 0 5 40 107 177 134 39 3 0 0 496
MGDD*
Base 50		 0 1 15 101 284 394 493 443 253 110 11 0 2079

*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 5/28 5/02 5/04 7/05 7/13 9/23 7/31 8/14 10/09 10/16
30 5/17 4/18 5/03 6/26 7/10 9/25 7/31 8/23 10/11 10/18
28 5/10 4/17 4/26 6/07 6/15 9/30 7/30 9/05 10/17 10/31
24 4/27 4/08 4/10 5/21 5/30 10/19 9/23 9/25 11/04 11/12
20 4/24 4/03 4/08 5/09 5/16 10/30 9/23 9/30 11/13 11/16
16 4/13 3/19 3/24 4/27 5/06 11/06 10/04 10/14 11/16 11/21

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

Base
Temp
°F		 Median Shortest 10% 90% Longest
32 121 18 55 152 161
30 137 42 72 157 171
28 146 56 91 164 179
24 169 125 137 203 217
20 190 136 150 207 217
16 207 163 177 225 230