Napa County Historical Growing Degree Days (T>50F)
Seasonal comparison of GDD accumulation from April 1st through yesterday (11/16)
Weeks Lake Pope Valley South Calistoga St Helena North Rutherford Hill Rutherford North Rutherford Rutherford East Chimney Rock Napa East Napa SW
GDD's 2019: 3633 4150 3727 3652 3642 3537 3591 3390 3260 3337 2951
GDD's 2018: 3604 4204 3530 3484 3395 3268 3358 3152 3007 3012 2667
average 3618 4177 3628 3568 3519 3402 3474 3271 3133 3175 2809