1955 Napa Valley Vintage

Cool and dry season, compared with 1991 to 2020. Rebuilding after Repeal. A small group of estates led the recovery. Nearest notable vintage: 1966.

Weather and season

Apr to Oct average temperature	62.2°F
Estimated growing degree days	2620
Frost days, Mar to Apr	6
Days 90°F and up, Aug to Oct	11
Winter rain	13.4 in
Spring rain	2.7 in
Harvest rain	0.7 in

Station: south valley. Growing degree days are estimated from monthly means.