Spotted Wing Drosophila (SWD) degree-days (DDs) for selected eastern locations (updated daily)
same as 2017
same as 2016
5 days ahead of normal
Station Location (S to N) SWD DDs July 20, 2018
  Hollywood N Perry Apt FL   5400 DDs
same as 2017
4 days ahead of 2016
10 days ahead of normal
  Naples Muni Apt FL   5044 DDs
2 days behind 2017
3 days ahead of 2016
12 days ahead of normal
  Punta Gorda Charlotte FL   4775 DDs
2 days ahead of 2017
7 days ahead of 2016
10 days ahead of normal
  Orlando Int Apt FL   4480 DDs
5 days behind 2017
same as 2016
7 days ahead of normal
  Jay FL   3627 DDs
4 days behind 2017
5 days ahead of 2016
20 days ahead of normal
  Jacksonville CW2951 NC   2740 DDs
4 days behind 2017
5 days ahead of 2016
same day as normal
  Aberdeen CW7955 NC   2705 DDs
4 days behind 2017
5 days ahead of 2016
10 days ahead of normal
  Sanford-Lee Co Reg Apt NC   2709 DDs
1 days ahead of 2017
7 days ahead of 2016
9 days ahead of normal
  Surry CW5207 VA   2528 DDs
4 days behind 2017
5 days ahead of 2016
14 days ahead of normal
  Mechanicsville CW8767 VA   2383 DDs
3 days behind 2017
4 days ahead of 2016
5 days ahead of normal
  Lewisburg / Greenbrier WV   1793 DDs
12 days ahead of 2017
6 days ahead of 2016
22 days ahead of normal
  Orange County Airport VA   2080 DDs
3 days behind 2017
3 days behind 2016
8 days ahead of normal
  Charleston Yeager Apt WV   2339 DDs
1 days ahead of 2017
4 days ahead of 2016
19 days ahead of normal
  Winchester Regional VA   1822 DDs
4 days behind 2017
6 days behind 2016
5 days ahead of normal
  Vineland N2IVN NJ   2150 DDs
8 days behind 2017
4 days ahead of 2016
21 days ahead of normal
  Washington Co Apt PA   1851 DDs
10 days ahead of 2017
8 days ahead of 2016
30 days ahead of normal
  Greensburg CW9002 PA   1809 DDs
1 days ahead of 2017
6 days behind 2016
24 days ahead of normal
  Harrisburg KQ3F PA   1770 DDs
1 days behind 2017
1 days behind 2016
3 days ahead of normal
  Farmingville WB2CMF NY   1561 DDs
same as 2017
1 days behind 2016
8 days ahead of normal
  Danbury DW0489 CT   1293 DDs
8 days behind 2017
10 days behind 2016
2 days ahead of normal
  Poughkeepsie Dutchess NY   1570 DDs
1 days ahead of 2017
8 days behind 2016
8 days ahead of normal
  West Hartford N1PSJ CT   1681 DDs
3 days ahead of 2017
same as 2016
9 days ahead of normal
  Woonsocket Oak Grove RI   1414 DDs
2 days behind 2017
3 days behind 2016
5 days ahead of normal
  Erie N3BXL PA   1314 DDs
9 days behind 2017
10 days behind 2016
3 days ahead of normal
  Ithaca Tompkins Reg Ap NY   1324 DDs
same as 2017
2 days ahead of 2016
13 days ahead of normal
  Hudson CW8371 NH   1413 DDs
1 days ahead of 2017
same as 2016
11 days ahead of normal
  THOMPSON FARM AT DURHA NH   1202 DDs
same as 2017
same as 2016
same day as 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.