| 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 | 8/8/26 | 97.4 0.5 | 1305 | 63.7 2.3 | 0649 | - | - | - | - | - | - | - | 0.00 | 0.00 | - | - | 0 0 |
| Pope Valley (Weeks Lake) | 8/8/26 | 103.4 0.9 | 1549 | 52.0 2.9 | 0601 | 52.0 3.0 | 93 5 | 12 2 | 1.5 0.1 | 10.7 0.4 | 1418 | SE | 135 | 0.00 | 0.00 | 0.188 0.016 | 491 46 | 0 0 |
| Dollarhide Base | 8/8/26 | 103.3 0.7 | 1443 | 56.9 0.7 | 0616 | 58.1 2.6 | 90 7 | 21 5 | 3.1 0.0 | 12.4 0.7 | 1348 | WSW | 241 | 0.00 | 0.00 | 0.231 0.019 | 576 43 | 0 0 |
| Dollarhide 1AS Remote | 8/8/26 | 105.1 0.2 | 1344 | 55.3 3.2 | 0618 | 57.2 3.5 | 90 6 | 19 2 | 3.0 0.2 | 14.5 0.6 | 1355 | SSW | 207 | - | - | - | - | 0 0 |
| Dollarhide 16A Remote | 8/8/26 | 101.8 1.6 | 1334 | 56.6 0.6 | 0634 | 58.3 2.3 | 91 7 | 23 4 | - | - | - | - | - | - | - | - | 0 0 |
| Dollarhide 18A Remote | 8/8/26 | 100.7 0.4 | 1359 | 52.9 3.0 | 0604 | 57.8 2.7 | 97 4 | 22 3 | - | - | - | - | - | - | - | - | 0 0 |
| Hardin Rd (Eakle) | 8/8/26 | 102.0 0.7 | 1433 | 55.1 1.8 | 0614 | - | - | - | - | - | - | - | - | - | - | - | 0 0 |
| Angwin | 8/8/26 | 92.9 1.1 | 1401 | 75.6 0.8 | 0458 | 36.9 2.8 | 35 2 | 4 4 | 2.9 0.5 | 11.5 0.7 | 1606 | SE | 144 | 0.00 | 0.00 | 0.088 0.018 | 0 0 | 100 0 |
| Lower Angwin (Pioneer) | 8/8/26 | 91.2 0.3 | 1503 | 52.4 2.9 | 0610 | - | - | - | 1.3 0.3 | 11.1 0.7 | 1616 | W | 269 | - | - | - | - | 0 0 |
| Las Posadas (Cal Fire) | 8/8/26 | 94.3 0.0 | 1354 | 52.5 1.2 | 0629 | 54.8 1.3 | 95 4 | 22 2 | 8.8 0.1 | 21.6 1.5 | 1657 | WSW | 240 | 0.00 | 0.00 | 0.243 0.025 | 529 33 | - |
| Deer Park | 8/8/26 | 94.5 0.9 | 1549 | 52.9 0.5 | 0550 | 54.7 1.0 | 94 4 | 30 0 | 2.9 0.3 | 12.9 2.6 | 1905 | SSE | 148 | 0.00 | 0.00 | 0.151 0.017 | 363 40 | 0 0 |
| Lower Chiles Valley (Brown) | 8/8/26 | 96.1 0.7 | 1501 | 53.9 0.5 | 0637 | 55.3 1.7 | 100 9 | 22 0 | 4.5 0.4 | 14.2 0.2 | 1620 | WNW | 295 | 0.00 | 0.00 | 0.217 0.000 | 630 37 | 0 0 |
| Moss Creek Vineyard/Reservior | 8/8/26 | 107.4 2.9 | 1559 | 57.5 0.4 | 0614 | 53.0 2.1 | 83 3 | 11 1 | - | - | - | - | 0.00 | 0.00 | - | - | 0 0 |
| Max | 107.4 | - | 75.6 | - | 58.3 | 100 | 30 | 8.8 | 21.6 | - | - | 0.00 | 0.00 | 0.243 | 630 | - | |
| Avg | - | - | - | - | 53.8 | - | - | 3.5 | - | - | - | - | - | - | - | - | |
| Min | 91.2 | - | 52.0 | - | 36.9 | 35 | 4 | 1.3 | 10.7 | - | - | 0.00 | 0.00 | 0.088 | 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 | 8/8/26 | 100.7 1.0 | 1444 | 52.6 1.0 | 0623 | 57.0 0.8 | 96 2 | 24 1 | - | - | - | - | 0.00 | 0.00 | - | - | 0 0 |
| Diamond Mtn (Schramsberg) | 8/8/26 | 96.4 4.3 | 1622 | 52.5 1.4 | 0632 | 54.9 1.8 | 100 11 | 21 7 | - | - | - | - | 0.00 | 0.00 | - | - | 0 0 |
| Diamond Mtn (McEachran) | 8/8/26 | 97.4 1.1 | 1557 | 53.2 1.2 | 0645 | 55.9 1.2 | 95 4 | 27 7 | - | - | - | - | - | - | - | - | 0 0 |
| St. Helena-North | 8/8/26 | 95.1 2.6 | 1547 | 53.3 0.8 | 0625 | 53.6 0.8 | 87 2 | 26 1 | 3.1 | 13.8 1.8 | 1717 | SE | 141 | 0.00 | 0.00 | 0.184 0.020 | 464 44 | 0 0 |
| St. Helena (NVV Office) | 8/8/26 | 93.2 0.9 | 1522 | 55.3 0.7 | 0615 | - | - | - | 1.8 | 9.9 0.0 | 1609 | E | 80 | 0.00 | 0.00 | - | - | 0 0 |
| Tiara Fria (East St. Helena) | 8/8/26 | 89.5 0.3 | 1525 | 53.3 1.1 | 0618 | 55.5 0.7 | 93 5 | 36 0 | 2.2 | 11.2 1.2 | 1732 | SE | 134 | 0.00 | 0.00 | - | - | 0 0 |
| Prisoner Winery | 8/8/26 | 93.3 0.3 | 1506 | 51.5 0.2 | 0608 | 55.6 0.5 | 97 2 | 32 0 | 1.2 | 7.9 0.9 | 1730 | S | 172 | 0.00 | 0.00 | 0.025 0.006 | 3 27 | 0 0 |
| Rutherford Hill Estate | 8/8/26 | 89.1 2.3 | 1503 | 52.9 0.2 | 0533 | 55.6 0.6 | 100 7 | 36 1 | 1.3 | 10.7 2.0 | 1609 | S | 178 | 0.00 | 0.00 | 0.167 0.005 | 512 10 | 0 0 |
| Rutherford-North (Mee Ln) | 8/8/26 | 88.0 1.5 | 1511 | 49.6 0.4 | 0608 | 54.6 0.3 | 94 3 | 38 2 | 2.9 | 15.1 0.4 | 1656 | SE | 124 | 0.00 | 0.00 | 0.177 0.009 | 487 27 | 0 0 |
| Rutherford (STS) | 8/8/26 | 90.9 0.5 | 1523 | 49.6 0.3 | 0533 | 56.9 0.0 | 91 0 | 40 2 | 1.9 | 13.1 0.4 | 1316 | ENE | 58 | 0.00 | 0.00 | 0.198 0.004 | 595 20 | 0 0 |
| Oakville-NE (Ranch 88) | 8/8/26 | 88.1 0.4 | 1450 | 52.1 2.5 | 0519 | 53.8 0.9 | 92 7 | 35 0 | 2.2 | 16.6 0.4 | 1755 | SSW | 202 | 0.00 | 0.00 | 0.189 0.001 | 546 9 | 100 0 |
| OV561-East | 8/8/26 | 89.1 0.2 | 1543 | 53.6 2.0 | 0523 | - | - | - | - | - | - | - | - | - | - | - | 0 0 |
| Oakville | 8/8/26 | 84.5 0.4 | 1440 | 53.0 2.4 | 0526 | 54.9 0.6 | 93 4 | 41 1 | 3.4 | 16.6 1.0 | 1723 | SSE | 152 | 0.00 | 0.00 | 0.197 0.003 | 581 13 | 60 20 |
| OV518-West | 8/8/26 | 84.3 1.0 | 1514 | 52.6 1.4 | 0318 | - | - | - | - | - | - | - | - | - | - | - | 60 20 |
| To Kalon Remote (TKKE) | 8/8/26 | 88.8 1.6 | 1446 | 52.4 1.3 | 0553 | - | - | - | - | - | - | - | - | - | - | - | 0 0 |
| To Kalon | 8/8/26 | 86.1 0.8 | 1453 | 52.0 0.6 | 0534 | 56.0 0.4 | 96 2 | 41 0 | 3.1 | 16.6 1.1 | 1809 | SE | 140 | 0.00 | 0.00 | 0.195 0.000 | 569 1 | 0 0 |
| To Kalon Remote (TKN5) | 8/8/26 | 88.2 0.8 | 1507 | 53.0 2.0 | 0546 | - | - | - | - | - | - | - | - | - | - | - | 0 0 |
| Yountville (Ranch 67) | 8/8/26 | 82.6 0.8 | 1445 | 52.8 2.1 | 0323 | 54.1 0.5 | 91 0 | 42 1 | 4.3 | 15.6 0.8 | 1624 | SSW | 204 | 0.00 | 0.00 | 0.199 0.001 | 619 1 | 100 0 |
| Stags Leap Dist (Silverado Vineyards) | 8/8/26 | 83.3 2.0 | 1532 | 53.2 2.4 | 0315 | 54.3 0.5 | 91 1 | 41 2 | 3.6 | 16.9 0.5 | 1830 | SSW | 198 | 0.00 | 0.00 | 0.193 0.005 | 559 20 | 100 10 |
| Borreo (Soda Canyon) | 8/8/26 | 82.6 2.7 | 1509 | 49.2 0.1 | 0506 | 53.2 0.5 | 94 1 | 41 4 | 1.7 | 8.6 2.8 | 1530 | S | 183 | 0.00 | 0.00 | 0.189 0.003 | 611 7 | 100 10 |
| Wappo Hill Floor | 8/8/26 | 83.9 0.4 | 1510 | 53.8 3.3 | 0450 | 55.6 0.4 | 100 0 | 42 0 | 2.9 | 13.2 0.4 | 1629 | S | 176 | 0.00 | 0.00 | 0.189 0.000 | 576 3 | 40 20 |
| Stags Leap Dist (Chimney Rock) | 8/8/26 | 83.0 1.5 | 1526 | 53.2 2.2 | 0303 | 57.0 0.4 | 95 1 | 49 1 | 2.7 | 11.6 1.7 | 1506 | SSW | 195 | 0.00 | 0.00 | 0.167 0.002 | 520 4 | 100 0 |
| Yountville-South (Ranch 87) | 8/8/26 | 83.6 2.8 | 1520 | 53.2 1.5 | 0453 | 55.8 0.2 | 100 5 | 43 3 | 1.8 | 13.7 2.7 | 1747 | SSE | 159 | 0.00 | 0.00 | 0.179 0.004 | 560 23 | 0 0 |
| Yountville-SE (Ranch 85) | 8/8/26 | 82.4 1.7 | 1541 | 54.8 2.6 | 0444 | 56.2 0.3 | 94 0 | 45 1 | 2.5 | 11.7 3.7 | 1829 | SSE | 148 | 0.00 | 0.00 | - | 0 0 | 100 0 |
| Oak Knoll-East (Ranch 53) | 8/8/26 | 81.5 2.3 | 1534 | 54.5 1.6 | 0429 | 55.0 0.1 | 93 3 | 43 1 | 2.5 | 12.1 1.4 | 1724 | SE | 139 | 0.00 | 0.00 | 0.185 0.001 | 593 3 | 40 20 |
| Napa-NW (Ranch 54) | 8/8/26 | 83.5 4.6 | 1551 | 52.2 0.2 | 0440 | 54.8 0.0 | 93 2 | 42 4 | 0.6 | 7.3 1.3 | 1604 | ESE | 116 | 0.00 | 0.00 | - | 0 0 | 20 20 |
| Napa-North (Ranch 29) | 8/8/26 | 79.3 2.2 | 1617 | 55.1 1.6 | 0406 | 56.3 0.2 | 100 0 | 49 2 | 1.9 | 11.4 1.2 | 1731 | S | 186 | 0.00 | 0.00 | 0.126 0.015 | 383 61 | 100 0 |
| Max | 100.7 | - | 55.3 | - | 57.0 | 100 | 49 | 4.3 | 16.9 | - | - | 0.00 | 0.00 | 0.199 | 619 | - | |
| Avg | - | - | - | - | 55.3 | - | - | 2.4 | - | - | - | - | - | - | - | - | |
| Min | 79.3 | - | 49.2 | - | 53.2 | 87 | 21 | 0.6 | 7.3 | - | - | 0.00 | 0.00 | 0.025 | 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 | 8/8/26 | 88.5 0.1 | 1623 | 55.0 2.7 | 0710 | 55.4 1.6 | 90 16 | 36 3 | 1.3 | 6.8 3.1 | 1251 | ESE | 116 | 0.00 | 0.00 | 0.341 0.065 | 1,219 275 | 20 10 |
| Mount George (Napa East) | 8/8/26 | 98.3 12.2 | 0437 | 54.8 2.0 | 0446 | 55.9 0.3 | 100 4 | 46 4 | 1.8 | 10.2 0.4 | 1604 | WSW | 247 | 0.00 | 0.00 | 0.176 0.000 | 568 8 | 100 0 |
| Napa-East (Palmaz 300') | 8/8/26 | 84.1 4.8 | 1616 | 53.5 1.0 | 0312 | 55.1 0.6 | 94 3 | 41 6 | 1.7 | 11.5 0.3 | 1844 | WSW | 249 | 0.00 | 0.00 | 0.162 0.009 | 489 23 | 20 20 |
| Napa-East (Palmaz 1200') | 7/3/26 | 79.0 6.0 | 1616 | 49.0 3.8 | 0539 | 47.1 0.2 | 100 0 | 45 38 | 2.0 | 12.7 4.5 | 1533 | NW | 313 | - | - | 0.192 0.009 | 656 3 | 30 20 |
| Napa-East (Palmaz 1400') | 8/8/26 | 81.7 2.6 | 1438 | 51.5 1.7 | 0615 | 54.7 1.0 | 100 5 | 44 3 | 3.1 | 11.5 0.4 | 1658 | SW | 229 | 0.00 | 0.00 | 0.179 0.004 | 579 10 | 100 0 |
| Wooden Valley | 8/8/26 | 89.4 0.7 | 1501 | 57.1 1.5 | 0642 | 52.9 1.1 | 77 4 | 32 3 | 4.1 | 14.5 3.6 | 1837 | WSW | 255 | 0.00 | 0.00 | 0.220 0.000 | 619 41 | 10 10 |
| Napa-West Upper (Truchard) | 8/8/26 | 80.3 3.7 | 1524 | 51.9 0.7 | 0558 | 29.1 5.2 | 100 0 | 0 0 | 2.8 | 14.0 1.1 | 1545 | S | 188 | 0.00 | 0.00 | 0.187 0.001 | 580 2 | 100 0 |
| Napa-West Lower (Truchard) | 8/8/26 | 79.2 3.8 | 1524 | 48.5 1.1 | 0309 | 53.3 0.4 | 93 0 | 47 5 | - | - | - | - | - | - | - | - | 100 0 |
| Napa-South (Toyon Farms) | 8/8/26 | 76.6 3.9 | 1433 | 54.4 1.7 | 0254 | 57.0 0.1 | 98 1 | 58 4 | 3.4 | 14.0 1.2 | 1651 | S | 174 | 0.00 | 0.00 | 0.099 0.006 | 315 45 | 100 0 |
| Toyon Remote 1 | 8/8/26 | 77.1 2.8 | 1534 | 51.8 2.8 | 0056 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 2 | 8/8/26 | 76.7 3.1 | 1526 | 53.9 3.1 | 0059 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 3 | 8/8/26 | 78.5 3.0 | 1540 | 51.8 1.9 | 0059 | - | - | - | - | - | - | - | - | - | - | - | - |
| Dealy Lane (Ranch 80) | 8/8/26 | 77.7 3.5 | 1603 | 53.4 2.4 | 0101 | 54.4 0.2 | 93 2 | 48 9 | 2.6 | 14.0 1.8 | 1458 | SE | 143 | 0.00 | 0.00 | 0.173 0.001 | 582 15 | 100 0 |
| Carneros (Saintsbury) | 8/8/26 | 75.2 3.5 | 1507 | 51.4 1.8 | 0345 | 54.1 0.2 | 100 0 | 53 4 | 4.5 | 14.5 2.7 | 1700 | SSE | 162 | 0.00 | 0.00 | - | - | 100 0 |
| Suscol Lower (Ranch 35) | 8/8/26 | 76.8 2.5 | 1533 | 54.0 2.3 | 0243 | 54.7 0.1 | 96 4 | 49 1 | 4.2 | 15.8 0.4 | 1659 | SW | 215 | 0.00 | 0.00 | 0.164 0.001 | 525 7 | 100 0 |
| Suscol Mtn (Ranch 93) | 8/8/26 | 80.3 2.7 | 1507 | 52.4 0.9 | 0422 | 55.4 0.3 | 100 0 | 49 2 | 4.6 | 14.8 1.1 | 1225 | WNW | 302 | 0.00 | 0.00 | - | - | 100 0 |
| Suscol Upper (Ranch 92) | 8/8/26 | 77.7 1.7 | 1514 | 53.0 0.7 | 0424 | 19.3 6.1 | 100 0 | 0 0 | 1.9 | 12.1 0.1 | 1651 | WSW | 243 | 0.00 | 0.00 | - | - | 90 10 |
| Stanly (Ranch 45) | 8/8/26 | 76.2 2.8 | 1533 | 53.9 2.6 | 0412 | 54.7 0.0 | 91 2 | 53 4 | 5.1 | 16.4 0.8 | 1651 | WNW | 285 | 0.00 | 0.00 | 0.177 0.001 | 586 19 | 100 0 |
| Carneros Upper (Ranch 81) | 8/8/26 | 77.9 5.7 | 1616 | 54.2 0.5 | 0257 | 41.0 7.7 | - | - | 6.6 | 16.8 4.9 | 0300 | WSW | 244 | - | - | - | - | 100 0 |
| Carneros (Mitsuko) | 8/8/26 | 75.5 4.6 | 1528 | 54.1 2.0 | 2310 | - | - | - | - | - | - | - | - | - | - | - | 100 0 |
| Carneros Lower (Ranch 81) | 8/8/26 | 78.1 3.8 | 1448 | 54.8 0.9 | 0241 | 55.2 0.2 | 93 0 | 50 11 | 2.1 | 13.2 1.4 | 1802 | SSE | 168 | 0.00 | 0.00 | 0.171 0.006 | 565 26 | 100 0 |
| Carneros (Milton Rd) | 8/8/26 | 75.2 2.8 | 1438 | 51.6 2.8 | 0059 | 54.7 0.4 | 92 1 | 53 3 | - | - | - | - | 0.00 | 0.00 | - | - | 90 10 |
| Max | 98.3 | - | 57.1 | - | 57.0 | 100 | 58 | 6.6 | 16.8 | - | - | 0.00 | 0.00 | 0.341 | 1,219 | - | |
| Avg | - | - | - | - | 50.4 | - | - | 3.3 | - | - | - | - | - | - | - | - | |
| Min | 75.2 | - | 48.5 | - | 19.3 | 77 | 0 | 1.3 | 6.8 | - | - | 0.00 | 0.00 | 0.099 | 315 | - |