GDD base 50 accumulated since April 1 = 1621
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
Cayuga White and Seyval Blanc are going in to veraison.
Vignoles was defruited due to low vine size and will not be included in the phenology from this point until leaf fall.