Historical Climate Data

Growing Season Summary
Station: 474546 LANCASTER 4 WSW, 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 5 64 245 576 831 979 922 643 319 63 5 4546
GDD
Base 45		 0 0 31 144 424 681 824 767 495 199 27 1 3508
GDD
Base 50		 0 0 13 75 283 532 669 612 353 110 10 0 2588
GDD
Base 55		 0 0 4 34 167 384 514 457 225 50 2 0 1790
GDD
Base 60		 0 0 1 14 84 245 360 305 126 17 0 0 1120
MGDD*
Base 50		 0 3 38 148 341 536 655 606 390 182 32 2 2866

*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 4/30 4/05 4/12 5/11 5/14 10/06 9/20 9/23 10/17 10/31
30 4/21 3/25 4/05 5/08 5/08 10/08 9/23 9/27 10/28 11/04
28 4/17 3/25 4/01 4/29 5/07 10/17 9/29 10/04 11/04 11/04
24 4/10 3/21 3/25 4/18 4/23 10/31 10/08 10/14 11/10 11/14
20 4/02 3/07 3/15 4/11 4/18 11/06 10/20 10/25 11/21 11/30
16 3/21 2/21 3/04 4/07 4/09 11/16 10/20 11/04 12/06 12/21

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

Base
Temp
°F		 Median Shortest 10% 90% Longest
32 161 137 145 175 181
30 171 140 153 200 211
28 183 149 165 208 224
24 203 179 187 221 227
20 219 194 203 251 261
16 241 194 217 272 281