| Station | Date | Daily Max Temp (°F) | Time of Max Temp | Daily Min Temp (°F) | Time of Min Temp | Dew Pt (°F) | Daily Max RH (%) | Daily Min RH (%) | Wind Spd (mph) | Daily Max Wind (mph) | Time of Max Wind | Max Wind Dir (°) | Daily Rain (In) | Season Precip (In) | Daily ETo (in) | Daily Solar Rad (Cal/cm2) | Powdery Mildew Stress (pts) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Montesol | 4/11/26 | 50.7 7.1 | 1343 | 40.0 5.2 | 1824 | - | - | - | - | - | - | - | 1.58 | 46.28 | - | - | 60 10 |
| Pope Valley (Weeks Lake) | 4/11/26 | 57.9 6.4 | 1418 | 44.3 0.6 | 2312 | 47.6 3.1 | 100 0 | 68 13 | 2.9 | 29.4 15.1 | 1719 | WSW | 241 | 0.99 | 23.74 | 0.047 0.012 | 173 32 | 70 10 |
| Whiskey River Winery | 12/13/25 | 52.8 3.6 | 1548 | 37.3 0.3 | 0759 | 36.3 2.0 | 88 11 | 68 4 | 0.0 | 0.0 2.4 | 0001 | SE | 128 | 0.00 | 7.07 | - | - | - |
| Dollarhide Base | 4/11/26 | 59.1 7.1 | 1450 | 45.5 5.4 | 1859 | 49.4 3.4 | 98 2 | 76 10 | 6.6 | 36.5 14.5 | 1716 | WSW | 253 | 0.85 | 21.02 | 0.054 0.016 | 212 36 | 80 10 |
| Dollarhide 1AS Remote | 4/11/26 | 58.4 6.1 | 1441 | 45.0 1.2 | 1930 | 48.6 2.6 | 95 0 | 76 9 | 4.5 | 27.0 7.8 | 1610 | SSE | 150 | - | - | - | - | 70 10 |
| Dollarhide 17B Remote | 4/11/26 | 59.2 7.4 | 1451 | 45.0 2.0 | 1944 | 49.6 2.8 | 98 1 | 78 16 | - | - | - | - | - | - | - | - | 80 10 |
| Dollarhide 18A Remote | 4/11/26 | 59.3 7.0 | 1454 | 44.8 0.0 | 1931 | 48.8 2.6 | 100 0 | 74 13 | - | - | - | - | - | - | - | - | 70 10 |
| Angwin | 4/11/26 | 47.9 6.5 | 1352 | 38.6 8.3 | 1831 | 44.3 4.0 | 100 0 | 94 15 | 7.8 | 28.5 8.6 | 1647 | SSE | 159 | 1.10 | 41.70 | 0.000 0.003 | 0 0 | 0 10 |
| Lower Angwin (Pioneer) | 4/11/26 | 50.6 6.9 | 1448 | 40.9 5.9 | 2015 | - | - | - | 4.9 | 22.9 6.5 | 1652 | SSE | 168 | - | - | - | - | 10 10 |
| Deer Park | 4/11/26 | 56.8 8.4 | 1404 | 44.8 6.8 | 1830 | 48.2 3.8 | 97 0 | 70 12 | 5.0 | 25.7 11.0 | 1744 | WNW | 285 | 0.90 | 26.00 | 0.031 0.017 | 93 65 | 70 10 |
| Lower Chiles Valley (Brown) | 4/11/26 | 56.8 6.0 | 1514 | 44.7 0.2 | 1917 | 46.9 3.6 | 97 3 | 69 8 | 3.6 | 24.9 8.6 | 1257 | W | 280 | 1.33 | 23.45 | 0.042 0.014 | 135 60 | 70 10 |
| Moss Creek Vineyard/Reservior | 4/11/26 | 59.5 4.8 | 1458 | 45.6 3.0 | 1930 | 48.2 2.8 | 100 5 | 64 2 | - | - | - | - | 0.83 | 25.07 | - | - | 80 10 |
| Max | 59.5 | - | 45.6 | - | 49.6 | 100 | 94 | 7.8 | 36.5 | - | - | 1.58 | 46.28 | 0.054 | 212 | - | |
| Avg | - | - | - | - | 48.0 | - | - | 5.0 | - | - | - | - | - | - | - | - | |
| Min | 47.9 | - | 38.6 | - | 44.3 | 95 | 64 | 2.9 | 22.9 | - | - | 0.83 | 21.02 | 0.000 | 0 | - |
| Station | Date | Daily Max Temp (°F) | Time of Max Temp | Daily Min Temp (°F) | Time of Min Temp | Dew Pt (°F) | Daily Max RH (%) | Daily Min RH (%) | Wind Spd (mph) | Daily Max Wind (mph) | Time of Max Wind | Max Wind Dir (°) | Daily Rain (In) | Season Precip (In) | Daily ETo (in) | Daily Solar Rad (Cal/cm2) | Powdery Mildew Stress (pts) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Calistoga-North | 4/11/26 | 62.3 2.8 | 1422 | 44.9 6.9 | 1842 | 50.3 3.7 | 100 0 | 68 4 | - | - | - | - | 0.96 | 30.28 | - | - | 40 10 |
| Fotsch (Maple Lane) | 3/9/26 | 75.9 3.7 | 1625 | 41.4 5.5 | 0743 | 44.5 1.8 | 97 3 | 26 3 | 3.3 | 15.6 1.3 | 1413 | WSW | 249 | 0.00 | 26.01 | - | - | 0 0 |
| Diamond Mtn (Schramsberg) | 4/11/26 | 57.5 3.8 | 1353 | 42.6 8.0 | 2044 | 48.4 4.0 | 100 0 | 69 5 | - | - | - | - | 1.00 | 28.61 | - | - | 70 10 |
| Diamond Mtn (McEachran) | 4/11/26 | 58.4 6.3 | 1401 | 43.3 7.6 | 2046 | 49.0 3.7 | 99 0 | 72 13 | - | - | - | - | - | - | - | - | 70 10 |
| St. Helena-North | 4/11/26 | 59.8 5.4 | 1402 | 44.9 6.0 | 2040 | 49.7 2.9 | 100 0 | 62 3 | 3.1 | 25.2 8.3 | 1630 | SSE | 160 | 0.11 | 28.14 | 0.041 0.009 | 131 33 | 70 10 |
| St. Helena (NVV Office) | 4/11/26 | 61.2 4.7 | 1423 | 47.2 4.2 | 2054 | - | - | - | 1.3 | 13.9 6.1 | 1738 | W | 270 | 1.06 | 25.98 | - | - | 80 10 |
| Tiara Fria (East St. Helena) | 4/11/26 | 60.2 4.7 | 1459 | 47.6 2.4 | 2010 | 49.9 3.1 | 96 0 | 60 1 | 3.5 | 25.6 9.7 | 1704 | S | 178 | 1.03 | 24.09 | - | - | 70 10 |
| Rutherford Hill Estate | 4/11/26 | 59.0 6.3 | 1447 | 45.6 6.2 | 1835 | 49.8 2.9 | 100 0 | 72 8 | 2.5 | 25.6 11.6 | 1715 | SW | 230 | 0.67 | 22.99 | 0.036 0.024 | 124 88 | 70 10 |
| Rutherford-North (Mee Ln) | 4/11/26 | 60.9 6.5 | 1440 | 45.5 1.7 | 2032 | 47.8 3.2 | 96 0 | 65 7 | 4.4 | 28.9 12.5 | 1734 | WNW | 286 | 1.00 | 22.41 | 0.049 0.015 | 161 53 | 80 10 |
| Rutherford (STS) | 4/11/26 | 61.6 6.5 | 1440 | 46.8 2.7 | 2005 | 49.3 2.9 | 92 2 | 73 10 | 3.0 | 24.9 11.2 | 1706 | SSE | 164 | 0.97 | 23.67 | 0.052 0.019 | 182 65 | 80 10 |
| Oakville-NE (Ranch 88) | 4/11/26 | 60.9 5.3 | 1444 | 46.8 1.2 | 2054 | 49.8 2.3 | 98 1 | 64 6 | 2.4 | 30.0 14.3 | 1709 | WNW | 288 | 0.78 | 22.90 | 0.046 0.025 | 159 86 | 0 0 |
| OV561-East | 4/11/26 | 60.7 6.3 | 1443 | 46.7 3.0 | 2051 | - | - | - | - | - | - | - | - | - | - | - | 50 10 |
| Oakville | 4/11/26 | 59.9 5.8 | 1439 | 47.1 1.5 | 2022 | 49.8 2.7 | 96 1 | 66 6 | 5.3 | 30.1 15.3 | 1710 | W | 281 | 0.40 | 23.01 | 0.053 0.021 | 180 80 | 70 10 |
| OV518-West | 4/11/26 | 60.6 4.3 | 1438 | 47.0 1.0 | 2020 | - | - | - | - | - | - | - | - | - | - | - | 70 10 |
| To Kalon Remote (TKKE) | 4/11/26 | 60.9 5.7 | 1441 | 47.4 2.4 | 2009 | - | - | - | - | - | - | - | - | - | - | - | 80 10 |
| To Kalon | 4/11/26 | 60.3 5.7 | 1436 | 47.2 1.9 | 2049 | 50.3 2.7 | 98 0 | 69 8 | 4.5 | 22.7 7.7 | 1656 | SSW | 194 | 1.01 | 25.53 | 0.047 0.021 | 159 74 | 70 10 |
| To Kalon Remote (TKN5) | 4/11/26 | 60.8 6.1 | 1416 | 47.4 1.6 | 2028 | - | - | - | - | - | - | - | - | - | - | - | 60 10 |
| Yountville (Ranch 67) | 4/11/26 | 59.7 6.1 | 1507 | 46.5 1.1 | 2126 | 49.3 2.5 | 96 0 | 66 9 | 5.3 | 24.9 8.7 | 1716 | SSW | 206 | 0.69 | 21.58 | 0.054 0.024 | 215 90 | 70 10 |
| Stags Leap Dist (Silverado Vineyards) | 4/11/26 | 59.7 5.1 | 1506 | 47.0 0.2 | 2030 | 48.8 2.9 | 94 2 | 64 7 | 4.7 | 19.5 3.4 | 1516 | SE | 127 | 0.76 | 25.61 | 0.045 0.023 | 140 100 | 80 10 |
| Borreo (Soda Canyon) | 4/11/26 | 58.6 5.1 | 1455 | 43.2 2.4 | 2117 | 48.9 2.4 | 98 1 | 69 7 | 2.1 | 21.4 8.4 | 1725 | SW | 227 | 0.69 | 25.55 | 0.039 0.019 | 148 61 | 60 10 |
| Wappo Hill Floor | 4/11/26 | 61.3 5.4 | 1459 | 46.6 0.7 | 2148 | 50.6 2.3 | 100 0 | 67 8 | 3.8 | 18.2 3.8 | 1705 | S | 173 | 0.63 | 24.89 | 0.041 0.028 | 142 102 | 80 10 |
| Stags Leap Dist (Chimney Rock) | 4/11/26 | 61.2 4.6 | 1446 | 47.0 0.3 | 2028 | 51.7 2.3 | 99 0 | 71 6 | 4.4 | 24.3 9.1 | 1720 | W | 273 | 0.66 | 24.22 | 0.041 0.018 | 140 64 | 70 10 |
| Yountville-South (Ranch 87) | 4/11/26 | 61.2 5.3 | 1458 | 46.6 1.5 | 2139 | 51.3 2.3 | 100 0 | 67 9 | 3.8 | 22.6 8.2 | 1718 | W | 274 | 0.76 | 25.43 | 0.041 0.028 | 144 100 | 30 10 |
| Yountville-SE (Ranch 85) | 4/11/26 | 61.5 4.8 | 1457 | 46.8 1.5 | 2124 | 51.2 2.3 | 100 0 | 66 7 | 2.7 | 17.1 6.2 | 1737 | NNE | 22 | 0.69 | 23.85 | - | 0 0 | 50 10 |
| Oak Knoll-East (Ranch 53) | 4/3/26 | 80.5 10.3 | 1722 | 45.0 4.7 | 0045 | 27.6 11.1 | 76 19 | 10 11 | 5.2 | 21.4 7.7 | 0509 | NNW | 341 | 0.00 | 20.76 | 0.206 0.064 | 539 11 | 50 20 |
| Napa-NW (Ranch 54) | 4/11/26 | 62.5 5.1 | 1456 | 46.1 4.1 | 2140 | 51.0 2.5 | 100 0 | 65 9 | 1.1 | 19.4 8.3 | 1721 | W | 260 | 0.83 | 24.72 | - | 0 0 | 80 10 |
| Napa-North (Ranch 29) | 4/11/26 | 60.9 4.4 | 1452 | 46.9 3.4 | 2029 | 52.3 2.5 | 100 0 | 66 1 | 2.3 | 21.4 4.2 | 1253 | S | 173 | 1.04 | 22.29 | 0.030 0.020 | 102 68 | 80 10 |
| Max | 62.5 | - | 47.6 | - | 52.3 | 100 | 73 | 5.3 | 30.1 | - | - | 1.06 | 30.28 | 0.054 | 215 | - | |
| Avg | - | - | - | - | 50.0 | - | - | 3.3 | - | - | - | - | - | - | - | - | |
| Min | 57.5 | - | 42.6 | - | 47.8 | 92 | 60 | 1.1 | 13.9 | - | - | 0.11 | 21.58 | 0.030 | 0 | - |
| Station | Date | Daily Max Temp (°F) | Time of Max Temp | Daily Min Temp (°F) | Time of Min Temp | Dew Pt (°F) | Daily Max RH (%) | Daily Min RH (%) | Wind Spd (mph) | Daily Max Wind (mph) | Time of Max Wind | Max Wind Dir (°) | Daily Rain (In) | Season Precip (In) | Daily ETo (in) | Daily Solar Rad (Cal/cm2) | Powdery Mildew Stress (pts) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mt. Veeder | 4/11/26 | 51.8 5.4 | 1431 | 41.7 7.0 | 1723 | 46.7 3.7 | 100 0 | 88 10 | 4.7 | 23.9 9.4 | 1656 | SSW | 208 | 1.01 | 31.65 | 0.019 0.014 | 77 49 | 40 10 |
| Mount George (Napa East) | 4/11/26 | 62.5 3.6 | 1518 | 48.3 2.2 | 2015 | 52.0 2.1 | 98 1 | 66 3 | 2.1 | 24.2 12.1 | 1730 | W | 263 | 1.38 | 14.17 | 0.053 0.012 | 192 41 | 70 10 |
| Napa-East (Palmaz 300') | 4/11/26 | 61.9 4.4 | 1506 | 47.2 4.1 | 2009 | 50.2 3.0 | 98 0 | 63 5 | 2.2 | 21.5 8.3 | 1729 | WSW | 243 | 1.23 | 20.49 | 0.049 0.010 | 169 36 | 80 10 |
| Napa-East (Palmaz 1200') | 4/8/26 | 75.8 7.7 | 1612 | 44.0 1.8 | 0646 | 48.0 4.0 | 100 0 | 5 4 | 2.4 | 17.4 3.7 | 0940 | WNW | 300 | - | - | 0.147 0.013 | 523 4 | 60 10 |
| Napa-East (Palmaz 1400') | 4/11/26 | 54.8 3.9 | 1527 | 42.4 6.4 | 1839 | 48.3 3.7 | 100 0 | 77 3 | 4.2 | 25.6 9.7 | 1257 | SSW | 200 | 1.48 | 27.70 | 0.039 0.005 | 178 7 | 30 10 |
| Wooden Valley | 4/11/26 | 59.0 4.5 | 1455 | 44.2 4.1 | 2013 | 48.1 2.9 | 97 1 | 67 5 | 2.8 | 23.3 6.8 | 1733 | SW | 216 | 1.31 | 26.31 | 0.059 0.008 | 230 22 | 30 10 |
| Napa-West Upper (Truchard) | 4/11/26 | 60.7 4.7 | 1455 | 45.4 5.6 | 2017 | -23.1 15.5 | 100 0 | 0 0 | 5.8 | 35.0 14.5 | 1712 | SSE | 165 | 0.86 | 22.07 | 0.078 0.007 | 173 42 | 50 10 |
| Napa-West Lower (Truchard) | 4/11/26 | 62.2 5.5 | 1456 | 42.0 3.9 | 2133 | 49.1 3.3 | 100 0 | 68 5 | - | - | - | - | - | - | - | - | 50 10 |
| Napa-South (Toyon Farms) | 4/11/26 | 61.0 4.6 | 1456 | 46.2 5.5 | 2035 | 51.8 3.3 | 100 0 | 73 1 | 4.3 | 26.1 10.2 | 1701 | S | 177 | 0.77 | 15.81 | 0.022 0.011 | 92 36 | 50 10 |
| Toyon Remote 1 | 4/11/26 | 61.8 4.8 | 1456 | 42.7 2.2 | 2128 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 2 | 4/11/26 | 61.7 3.7 | 1438 | 45.2 2.3 | 2040 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 3 | 4/11/26 | 61.8 4.8 | 1456 | 45.0 2.0 | 2100 | - | - | - | - | - | - | - | - | - | - | - | - |
| Dealy Lane (Ranch 80) | 4/11/26 | 61.2 5.3 | 1456 | 45.6 3.6 | 2045 | 49.9 3.2 | 97 1 | 66 1 | 2.6 | 20.5 5.7 | 1720 | W | 264 | 0.97 | 21.44 | 0.049 0.011 | 181 35 | 80 10 |
| Carneros (Saintsbury) | 4/11/26 | 60.4 4.5 | 1443 | 44.0 4.9 | 2057 | 49.0 3.6 | 100 0 | 69 1 | 4.7 | 25.8 6.1 | 1657 | S | 177 | 0.64 | 7.31 | - | - | 30 10 |
| Suscol Lower (Ranch 35) | 4/11/26 | 61.4 4.8 | 1421 | 46.0 4.8 | 2021 | 50.5 2.6 | - | - | 6.0 | 28.8 8.9 | 1241 | SSW | 212 | 0.94 | 20.08 | 0.056 0.008 | 190 17 | 70 10 |
| Suscol Mtn (Ranch 93) | 4/11/26 | 57.6 5.0 | 1521 | 43.9 7.7 | 1752 | 48.7 3.2 | 100 1 | 69 0 | 6.6 | 45.0 22.5 | 1734 | NNW | 334 | 1.00 | 15.90 | - | - | 40 10 |
| Suscol Upper (Ranch 92) | 4/11/26 | 58.8 4.6 | 1521 | 45.0 7.4 | 1802 | 28.0 1.0 | 100 0 | 3 0 | 3.3 | 32.3 13.9 | 1245 | WSW | 243 | 0.80 | 19.80 | - | - | 40 10 |
| Stanly (Ranch 45) | 4/11/26 | 61.5 4.4 | 1442 | 45.1 5.7 | 2021 | 49.2 2.9 | 98 2 | 67 5 | 7.3 | 31.0 11.4 | 1239 | SW | 233 | 0.34 | 21.25 | 0.058 0.016 | 206 53 | 80 10 |
| Carneros Upper (Ranch 81) | 4/11/26 | 59.6 5.1 | 1415 | 46.1 6.4 | 2030 | 12.2 2.2 | - | - | 7.0 | 39.1 17.9 | 1718 | WSW | 256 | - | - | - | - | 40 10 |
| Carneros (Mitsuko) | 4/11/26 | 62.1 3.6 | 0901 | 43.2 3.1 | 2058 | - | - | - | - | - | - | - | - | - | - | - | 0 10 |
| Carneros Lower (Ranch 81) | 4/11/26 | 59.4 5.1 | 1454 | 46.2 1.9 | 2105 | -15.6 44.8 | 100 0 | 0 0 | 2.1 | 20.2 6.5 | 1507 | S | 176 | 0.67 | 17.61 | 0.049 0.010 | 137 51 | 0 10 |
| Carneros (Milton Rd) | 4/11/26 | 61.8 4.3 | 1443 | 47.9 0.6 | 2026 | 50.4 2.8 | 95 1 | 64 2 | - | - | - | - | 0.20 | 17.94 | - | - | 10 10 |
| Max | 62.5 | - | 48.3 | - | 52.0 | 100 | 88 | 7.3 | 45.0 | - | - | 1.48 | 31.65 | 0.078 | 230 | - | |
| Avg | - | - | - | - | 38.0 | - | - | 4.4 | - | - | - | - | - | - | - | - | |
| Min | 51.8 | - | 41.7 | - | -23.1 | 95 | 0 | 2.1 | 20.2 | - | - | 0.20 | 7.31 | 0.019 | 77 | - |