1922 Napa Valley Vintage

Cool season, compared with 1991 to 2020. Prohibition years. Few wines were made for sale. Nearest notable vintage: 1920.

Weather and season

Apr to Oct average temperature	63.2°F
Estimated growing degree days	2830
Frost days, Mar to Apr	7
Days 90°F and up, Aug to Oct	18
Winter rain	n/a in
Spring rain	3.5 in
Harvest rain	3.9 in

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