Spotted Wing Drosophila (SWD) degree-days (DDs) for selected western locations (updated daily)
Station Location (S to N) SWD DDs July 14, 2018
  Mtn View Moffett Fld CA   1886 DDs
3 days behind 2017
18 days behind 2016
2 days ahead of normal
  Medford OR   1383 DDs
1 days behind 2017
10 days behind 2016
10 days ahead of normal
  Corvallis OR   1097 DDs
3 days ahead of 2017
8 days behind 2016
10 days ahead of normal
  Salem: McNary Field OR   1311 DDs
8 days ahead of 2017
8 days behind 2016
18 days ahead of normal
  Aurora OR   1242 DDs
4 days ahead of 2017
11 days behind 2016
11 days ahead of normal
  Forest Grove OR   1184 DDs
5 days ahead of 2017
6 days behind 2016
12 days ahead of normal
  Vancouver Pearson Fld WA   1317 DDs
8 days ahead of 2017
2 days behind 2016
11 days ahead of normal
  HOOD RIVER OR   1274 DDs
7 days ahead of 2017
2 days behind 2016
14 days ahead of normal
  Kelso-Longview Airport WA   1130 DDs
9 days ahead of 2017
10 days behind 2016
13 days ahead of normal
  Prosser Barricade Hanf WA   1643 DDs
4 days ahead of 2017
6 days behind 2016
10 days ahead of normal
  BurlingtonMount Vernon WA   812 DDs
4 days ahead of 2017
9 days behind 2016
6 days ahead of normal
  Bellingham Int Apt WA   887 DDs
5 days ahead of 2017
9 days behind 2016
19 days ahead of normal
  Abbotsford: B. C. BC   990 DDs
9 days ahead of 2017
6 days behind 2016
13 days ahead of normal
  Agassiz Auto RePting S BC   1075 DDs
9 days ahead of 2017
6 days behind 2016
34 days ahead of normal

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.