| Precipitation (July 1 to date) | 2026 | 2025 | 2024 | 2023 | 2022 | 2021 |
|---|---|---|---|---|---|---|
| Pope Valley (Weeks Lake) | 0 | 0 | 0 | 0 | 0 | 0 |
| St. Helena-North | 0 | 0 | 0 | 0 | 0 | 0 |
| Stags Leap Dist (Chimney Rock) | 0 | 0 | 0 | 0 | 0 | 0 |
| Suscol Lower (Ranch 35) | 0 | 0 | 0 | 0 | 0 | 0 |
| ETo (Jan 1 to date) | 2026 | 2025 | 2024 | 2023 | 2022 | 2021 |
|---|---|---|---|---|---|---|
| Pope Valley (Weeks Lake) | 28.555 | 29.489 | 28.888 | 27.672 | 31.905 | 32.844 |
| St. Helena-North | 25.576 | 24.897 | 24.797 | 23.912 | 27.532 | 27.831 |
| Stags Leap Dist (Chimney Rock) | 26.409 | 26.87 | 27.721 | 25.281 | 30.182 | 30.039 |
| Suscol Lower (Ranch 35) | 27.225 | 26.732 | 27.028 | 21.184 | 30.552 | 29.869 |
| Powdery Mildew Points (by date) | 2026 | 2025 | 2024 | 2023 | 2022 | 2021 |
|---|---|---|---|---|---|---|
| Pope Valley (Weeks Lake) | 7340 | 5330 | 5140 | 4170 | 5710 | 5780 |
| St. Helena-North | 6920 | 4830 | 5420 | 2850 | 3520 | 6000 |
| Stags Leap Dist (Chimney Rock) | 8280 | 7290 | 7930 | 5260 | 5640 | 6500 |
| Suscol Lower (Ranch 35) | 7090 | 5540 | 4850 | 1110 | 5820 | 7320 |
| Growing Degree Days (April 1 to date) | 2026 | 2025 | 2024 | 2023 | 2022 | 2021 |
|---|---|---|---|---|---|---|
| Pope Valley (Weeks Lake) | 1712.9 | 1774.4 | 2029.9 | 1657.2 | 1868.5 | 2002.8 |
| St. Helena-North | 1760.9 | 1745.4 | 2010.5 | 1576.9 | 1873.2 | 1874.3 |
| Stags Leap Dist (Chimney Rock) | 1500 | 1407.5 | 1637.5 | 1271.1 | 1616 | 1510.9 |
| Suscol Lower (Ranch 35) | 1317.1 | 1211 | 1435.1 | 1092.2 | 1443.7 | 1283.8 |