Spotted Wing Drosophila (SWD) degree-days (DDs) for selected Central US locations (updated daily)
Station Location (S to N) SWD DDs October 15, 2018
  College Stn Eerwood Fl TX   6568 DDs
12 days behind 2017
1 days ahead of 2016
18 days ahead of normal
  Searcy Muni Apt AR   5176 DDs
3 days ahead of 2017
2 days behind 2016
DDs now EXCEED full year normal DDs
  Bowling Green-Warren C KY   4937 DDs
43 days ahead of 2017
10 days ahead of 2016
DDs now EXCEED full year normal DDs
  Carbondale Murphysboro IL   4415 DDs
17 days ahead of 2017
2 days ahead of 2016
DDs now EXCEED full year normal DDs
  Quincy Reg-Baldwin Fld IL   4166 DDs
DDs now EXCEED full year 2017 DDs
13 days ahead of 2016
DDs now EXCEED full year normal DDs
  Champaign Urbana Univ IL   3913 DDs
6 days ahead of 2017
2 days ahead of 2016
DDs now EXCEED full year normal DDs
  Lafayette Purdue Univ IN   3702 DDs
DDs now EXCEED full year 2017 DDs
16 days ahead of 2016
DDs now EXCEED full year normal DDs
  Peoria Greater Peoria IL   3976 DDs
DDs now EXCEED full year 2017 DDs
1 days ahead of 2016
DDs now EXCEED full year normal DDs
  Rochelle Muni-Koritz F IL   3121 DDs
DDs now EXCEED full year 2017 DDs
6 days behind 2016
DDs now EXCEED full year normal DDs
  Janesville-Rock County WI   3239 DDs
DDs now EXCEED full year 2017 DDs
7 days behind 2016
DDs now EXCEED full year normal DDs
  Prairie Du Chien Muni WI   3120 DDs
DDs now EXCEED full year 2017 DDs
7 days behind 2016
DDs now EXCEED full year normal DDs
  Baraboo Wisconsin Dell WI   2870 DDs
DDs now EXCEED full year 2017 DDs
same as 2016
DDs now EXCEED full year normal DDs
  Fond Du Lac Co Apt WI   2854 DDs
DDs now EXCEED full year 2017 DDs
11 days behind 2016
DDs now EXCEED full year normal DDs
  Green Bay Austin Strau WI   2762 DDs
DDs now EXCEED full year 2017 DDs
1 days ahead of 2016
DDs now EXCEED full year normal DDs
  Minneapolis / Blaine MN   3121 DDs
DDs now EXCEED full year 2017 DDs
12 days behind 2016
DDs now EXCEED full year normal DDs

In presenting this information, we wish to stress that errors can occur. Use the information with caution. Predictive models do not replace the need for monitoring in the field. If you observe conditions that differ substantially from model predictions, please contact Len Coop to determine if the model inputs were incorrect, if the model functioning or weather data are in error, or if the model is inappropriate for your conditions.