GDD base 50 = 3002. We track GDD at http://agebb.missouri.edu/weather/reports/gddTable.asp and rate the phenology stages according to the Modified E-L System https://door.extension.wisc.edu/files/2010/10/ModifiedEichhornLorennzsystem.pd

Most of the grapes are at E-L Stage 36-37 36 Berries with intermediate sugar values to Berries not quite ripe