GDD base 50 accumulated since April 1 = 966
http://agebb.missouri.edu/weather/reports/gddTable.asp
Phenology stages according to the Modified E-L system
http://door.uwex.edu/files/2010/10/ModifiedEichhornLorennzsystem.pdf
Fruit set on Chambourcin and Traminette was adversely affected by the weather during bloom.