Historical Climate Data

Growing Season Summary
Station: 470239 ANTIGO 1 SSW, 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 17 150 450 679 843 777 488 209 29 1 3594
GDD
Base 45		 0 0 5 81 311 530 689 622 347 115 10 0 2669
GDD
Base 50		 0 0 1 40 192 384 535 468 219 53 2 0 1861
GDD
Base 55		 0 0 0 18 104 247 381 317 120 20 0 0 1184
GDD
Base 60		 0 0 0 7 47 134 236 180 54 5 0 0 649
MGDD*
Base 50		 0 0 11 106 287 424 543 490 292 126 17 0 2268

*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 5/04 5/09 6/07 7/05 9/22 8/24 9/02 10/02 10/09
30 5/16 4/24 4/28 6/02 7/05 9/24 9/03 9/17 10/09 10/10
28 5/06 4/17 4/25 5/18 5/27 10/02 9/20 9/21 10/11 10/17
24 4/23 3/24 4/10 5/07 5/09 10/14 9/20 9/24 11/10 11/12
20 4/10 3/21 3/24 4/22 5/07 11/04 10/09 10/18 11/14 11/16
16 4/07 3/14 3/21 4/13 4/18 11/08 10/20 10/24 11/19 11/22

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

Base
Temp
°F		 Median Shortest 10% 90% Longest
32 121 76 97 136 141
30 133 80 113 150 156
28 148 125 131 166 172
24 181 140 152 201 212
20 212 155 185 223 234
16 217 189 201 235 246