Spotted Wing Drosophila (SWD) degree-days (DDs) for selected Central US locations (updated daily)
Station Location (S to N) SWD DDs December 11, 2018
  College Stn Eerwood Fl TX   7081 DDs
46 days behind 2017
34 days behind 2016
DDs now EXCEED full year normal DDs
  Searcy Muni Apt AR   5402 DDs
25 days behind 2017
46 days behind 2016
DDs now EXCEED full year normal DDs
  Bowling Green-Warren C KY   5133 DDs
DDs now EXCEED full year 2017 DDs
32 days behind 2016
DDs now EXCEED full year normal DDs
  Carbondale Murphysboro IL   4532 DDs
7 days behind 2017
45 days behind 2016
DDs now EXCEED full year normal DDs
  Quincy Reg-Baldwin Fld IL   4238 DDs
DDs now EXCEED full year 2017 DDs
40 days behind 2016
DDs now EXCEED full year normal DDs
  Champaign Urbana Univ IL   3974 DDs
17 days behind 2017
46 days behind 2016
DDs now EXCEED full year normal DDs
  Lafayette Purdue Univ IN   3746 DDs
DDs now EXCEED full year 2017 DDs
35 days behind 2016
DDs now EXCEED full year normal DDs
  Peoria Greater Peoria IL   4031 DDs
DDs now EXCEED full year 2017 DDs
54 days behind 2016
DDs now EXCEED full year normal DDs
  Rochelle Muni-Koritz F IL   3140 DDs
DDs now EXCEED full year 2017 DDs
62 days behind 2016
DDs now EXCEED full year normal DDs
  Janesville-Rock County WI   3262 DDs
DDs now EXCEED full year 2017 DDs
62 days behind 2016
DDs now EXCEED full year normal DDs
  Prairie Du Chien Muni WI   3152 DDs
DDs now EXCEED full year 2017 DDs
61 days behind 2016
DDs now EXCEED full year normal DDs
  Baraboo Wisconsin Dell WI   2886 DDs
DDs now EXCEED full year 2017 DDs
56 days behind 2016
DDs now EXCEED full year normal DDs
  Fond Du Lac Co Apt WI   2870 DDs
DDs now EXCEED full year 2017 DDs
67 days behind 2016
DDs now EXCEED full year normal DDs
  Green Bay Austin Strau WI   2775 DDs
DDs now EXCEED full year 2017 DDs
55 days behind 2016
DDs now EXCEED full year normal DDs
  Minneapolis / Blaine MN   3151 DDs
DDs now EXCEED full year 2017 DDs
63 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.