1928 Napa Valley Vintage
Cool and normal 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 | 60.2°F |
|---|---|
| Estimated growing degree days | 2180 |
| Frost days, Mar to Apr | 1 |
| Days 90°F and up, Aug to Oct | 5 |
| Winter rain | 15.2 in |
| Spring rain | 7.5 in |
| Harvest rain | 0.1 in |
Station: south valley. Growing degree days are estimated from monthly means.
Explore 1928 on the interactive timeline