Spotted Wing Drosophila (SWD) degree-days (DDs) for selected eastern locations (updated daily)
18 days ahead of 2017
19 days behind 2016
DDs now EXCEED full year normal DDs
23 days ahead of 2017
2 days behind 2016
DDs now EXCEED full year normal DDs
23 days ahead of 2017
1 days ahead of 2016
DDs now EXCEED full year normal DDs
Station Location (S to N) SWD DDs September 22, 2018
  Hollywood N Perry Apt FL   7559 DDs
same as 2017
6 days ahead of 2016
13 days ahead of normal
  Naples Muni Apt FL   7131 DDs
2 days behind 2017
3 days ahead of 2016
13 days ahead of normal
  Punta Gorda Charlotte FL   6879 DDs
3 days ahead of 2017
8 days ahead of 2016
12 days ahead of normal
  Orlando Int Apt FL   6538 DDs
4 days behind 2017
same as 2016
8 days ahead of normal
  Jay FL   5549 DDs
2 days behind 2017
4 days ahead of 2016
39 days ahead of normal
  Jacksonville CW2951 NC   4540 DDs
2 days behind 2017
4 days ahead of 2016
1 days behind normal
  Aberdeen CW7955 NC   4479 DDs
2 days behind 2017
4 days ahead of 2016
29 days ahead of normal
  Sanford-Lee Co Reg Apt NC   4453 DDs
11 days ahead of 2017
8 days ahead of 2016
22 days ahead of normal
  Surry CW5207 VA   4298 DDs
4 days ahead of 2017
6 days ahead of 2016
73 days ahead of normal
  Mechanicsville CW8767 VA   4119 DDs
7 days ahead of 2017
5 days ahead of 2016
16 days ahead of normal
  Lewisburg / Greenbrier WV   3132 DDs
DDs now EXCEED full year 2017 DDs
11 days ahead of 2016
DDs now EXCEED full year normal DDs
  Orange County Airport VA   3629 DDs
5 days ahead of 2017
11 days behind 2016
24 days ahead of normal
  Charleston Yeager Apt WV   3963 DDs
16 days ahead of 2017
1 days ahead of 2016
DDs now EXCEED full year normal DDs
  Winchester Regional VA   3241 DDs
12 days ahead of 2017
18 days behind 2016
15 days ahead of normal
  Vineland N2IVN NJ   3888 DDs
1 days behind 2017
7 days ahead of 2016
DDs now EXCEED full year normal DDs
  Washington Co Apt PA   3293 DDs
DDs now EXCEED full year 2017 DDs
24 days ahead of 2016
DDs now EXCEED full year normal DDs
  Greensburg CW9002 PA  NA
  Harrisburg KQ3F PA   3268 DDs
14 days ahead of 2017
6 days behind 2016
17 days ahead of normal
  Farmingville WB2CMF NY   3101 DDs
16 days ahead of 2017
3 days behind 2016
DDs now EXCEED full year normal DDs
  Danbury DW0489 CT   2482 DDs
10 days behind 2017
26 days behind 2016
10 days ahead of normal
  Poughkeepsie Dutchess NY   3034 DDs
24 days ahead of 2017
14 days behind 2016
DDs now EXCEED full year normal DDs
  West Hartford N1PSJ CT   3215 DDs
23 days ahead of 2017
2 days behind 2016
DDs now EXCEED full year normal DDs
  Woonsocket Oak Grove RI   2696 DDs
2 days ahead of 2017
15 days behind 2016
34 days ahead of normal
  Erie N3BXL PA  NA
  Ithaca Tompkins Reg Ap NY   2585 DDs
26 days ahead of 2017
5 days ahead of 2016
DDs now EXCEED full year normal DDs
  Hudson CW8371 NH   2796 DDs
23 days ahead of 2017
2 days behind 2016
DDs now EXCEED full year normal DDs
  THOMPSON FARM AT DURHA NH   2467 DDs
23 days ahead of 2017
1 days ahead of 2016
22 days ahead of normal
  Boothbay DW2510 ME  NA

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.