1902 Napa Valley Vintage
Cool and normal season, compared with 1991 to 2020. Early valley history. Weather records are sparse, so no individual vintage notes survive. Nearest notable vintage: 1920.
Weather and season
| Apr to Oct average temperature | 64.3°F |
|---|---|
| Estimated growing degree days | 3070 |
| Frost days, Mar to Apr | 0 |
| Days 90°F and up, Aug to Oct | 15 |
| Winter rain | 19.8 in |
| Spring rain | 7.4 in |
| Harvest rain | n/a in |
Station: south valley. Growing degree days are estimated from monthly means.
Explore 1902 on the interactive timeline