Spotted Wing Drosophila (SWD) degree-days (DDs) for selected eastern locations (updated daily)
1 days ahead of 2017
same as 2016
4 days ahead of normal
Station Location (S to N) SWD DDs June 17, 2018
  Hollywood N Perry Apt FL   4274 DDs
same as 2017
4 days ahead of 2016
9 days ahead of normal
  Naples Muni Apt FL   3937 DDs
3 days behind 2017
3 days ahead of 2016
10 days ahead of normal
  Punta Gorda Charlotte FL   3688 DDs
1 days ahead of 2017
7 days ahead of 2016
9 days ahead of normal
  Orlando Int Apt FL   3446 DDs
6 days behind 2017
1 days ahead of 2016
7 days ahead of normal
  Jay FL   2593 DDs
7 days behind 2017
5 days ahead of 2016
18 days ahead of normal
  Jacksonville CW2951 NC   1748 DDs
7 days behind 2017
5 days ahead of 2016
same day as normal
  Aberdeen CW7955 NC   1712 DDs
7 days behind 2017
5 days ahead of 2016
9 days ahead of normal
  Sanford-Lee Co Reg Apt NC   1767 DDs
1 days behind 2017
8 days ahead of 2016
9 days ahead of normal
  Surry CW5207 VA   1600 DDs
3 days behind 2017
5 days ahead of 2016
14 days ahead of normal
  Mechanicsville CW8767 VA   1481 DDs
3 days behind 2017
4 days ahead of 2016
7 days ahead of normal
  Lewisburg / Greenbrier WV   1065 DDs
7 days ahead of 2017
4 days ahead of 2016
19 days ahead of normal
  Orange County Airport VA   1249 DDs
3 days behind 2017
2 days behind 2016
9 days ahead of normal
  Charleston Yeager Apt WV   1463 DDs
1 days behind 2017
2 days ahead of 2016
17 days ahead of normal
  Winchester Regional VA   1055 DDs
3 days behind 2017
4 days behind 2016
8 days ahead of normal
  Vineland N2IVN NJ   1269 DDs
6 days behind 2017
5 days ahead of 2016
19 days ahead of normal
  Washington Co Apt PA   1088 DDs
5 days ahead of 2017
6 days ahead of 2016
25 days ahead of normal
  Greensburg CW9002 PA   1088 DDs
1 days ahead of 2017
2 days behind 2016
22 days ahead of normal
  Harrisburg KQ3F PA   965 DDs
1 days behind 2017
same as 2016
5 days ahead of normal
  Farmingville WB2CMF NY   776 DDs
same as 2017
2 days behind 2016
7 days ahead of normal
  Danbury DW0489 CT   595 DDs
6 days behind 2017
14 days behind 2016
1 days ahead of normal
  Poughkeepsie Dutchess NY   803 DDs
1 days ahead of 2017
11 days behind 2016
7 days ahead of normal
  West Hartford N1PSJ CT   869 DDs
2 days ahead of 2017
1 days behind 2016
8 days ahead of normal
  Woonsocket Oak Grove RI   663 DDs
4 days behind 2017
7 days behind 2016
3 days ahead of normal
  Erie N3BXL PA   589 DDs
13 days behind 2017
14 days behind 2016
2 days ahead of normal
  Ithaca Tompkins Reg Ap NY   680 DDs
same as 2017
3 days ahead of 2016
12 days ahead of normal
  Hudson CW8371 NH   708 DDs
1 days ahead of 2017
1 days behind 2016
9 days ahead of normal
  THOMPSON FARM AT DURHA NH   573 DDs
1 days ahead of 2017
same as 2016
1 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.