1929 Napa Valley Vintage

Cool and dry 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	62.5°F
Estimated growing degree days	2690
Frost days, Mar to Apr	16
Days 90°F and up, Aug to Oct	13
Winter rain	8 in
Spring rain	3.7 in
Harvest rain	0 in

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