Historical Climate Data

Growing Season Summary
Station: 474174 KENOSHA, 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
3 7 52 161 438 720 943 923 670 355 90 11 4336
GDD
Base 45
0 2 25 80 292 572 788 768 521 222 40 3 3284
GDD
Base 50
0 0 11 34 172 425 634 613 375 119 15 0 2376
GDD
Base 55
0 0 4 13 91 286 480 458 238 51 4 0 1610
GDD
Base 60
0 0 1 5 41 167 327 305 127 17 0 0 983
MGDD*
Base 50
1 4 31 78 218 429 621 608 394 175 41 5 2585

*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 4/25 4/05 4/10 5/14 5/30 10/17 9/21 9/29 11/06 11/19
30 4/21 3/27 4/06 5/08 5/09 10/24 9/30 10/09 11/13 11/19
28 4/13 3/22 3/29 5/04 5/09 11/02 10/17 10/21 11/16 11/19
24 4/05 3/12 3/21 4/10 4/19 11/07 10/17 10/21 11/21 12/14
20 3/21 2/15 3/04 4/09 4/18 11/14 10/24 11/03 12/10 12/22
16 3/16 2/09 2/17 4/06 4/10 11/23 11/02 11/11 12/15 12/23

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

Base
Temp
°F
Median Shortest 10% 90% Longest
32 172 129 151 205 226
30 184 157 163 212 226
28 203 166 178 221 230
24 215 193 200 242 274
20 235 206 216 275 285
16 255 219 223 285 308