| 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 | 8/11/26 | 89.9 4.7 | 1159 | 53.5 3.2 | 0409 | - | - | - | - | - | - | - | 0.00 | 0.00 | - | - | 20 20 |
| Pope Valley (Weeks Lake) | 8/11/26 | 90.7 3.2 | 1628 | 47.8 1.0 | 0621 | 51.6 1.3 | 100 0 | 25 2 | 2.0 0.1 | 17.5 4.8 | 1418 | WSW | 239 | 0.00 | 0.00 | 0.203 0.005 | 574 5 | 0 0 |
| Dollarhide Base | 8/11/26 | 92.7 2.7 | 1455 | 52.7 0.8 | 0625 | 55.7 1.4 | 97 0 | 29 0 | 3.3 0.3 | 16.4 0.1 | 1521 | W | 263 | 0.00 | 0.00 | 0.237 0.009 | 638 11 | 0 0 |
| Dollarhide 1AS Remote | 8/11/26 | 95.0 1.2 | 1402 | 50.0 0.7 | 0644 | 54.6 1.5 | 92 1 | 27 2 | 3.3 0.6 | 20.9 2.5 | 1418 | SW | 214 | - | - | - | - | 0 0 |
| Dollarhide 16A Remote | 8/11/26 | 90.9 2.5 | 1409 | 53.0 0.6 | 0543 | 55.8 1.5 | 96 1 | 32 1 | - | - | - | - | - | - | - | - | 0 0 |
| Dollarhide 18A Remote | 8/11/26 | 90.9 2.0 | 1425 | 48.3 0.6 | 0616 | 54.0 1.4 | 98 0 | 29 2 | - | - | - | - | - | - | - | - | 0 0 |
| Hardin Rd (Eakle) | 8/11/26 | 92.0 2.8 | 1429 | 50.7 0.7 | 0634 | - | - | - | - | - | - | - | - | - | - | - | 0 0 |
| Angwin | 8/11/26 | 82.0 3.5 | 1507 | 65.5 3.2 | 2036 | 49.9 3.0 | 60 3 | 34 21 | 2.9 0.0 | 13.5 0.7 | 1422 | SSE | 158 | 0.00 | 0.00 | 0.055 0.010 | 0 0 | 100 0 |
| Lower Angwin (Pioneer) | 8/11/26 | 83.0 2.9 | 1535 | 45.9 1.5 | 0628 | - | - | - | 1.8 0.2 | 12.4 0.7 | 1550 | WNW | 283 | - | - | - | - | 40 20 |
| Las Posadas (Cal Fire) | 8/11/26 | 84.8 2.3 | 1508 | 49.4 2.1 | 0533 | 52.9 1.6 | 98 1 | 34 4 | 8.8 0.2 | 20.0 2.6 | 1631 | SSE | 159 | 0.00 | 0.00 | 0.224 0.001 | 582 11 | - |
| Deer Park | 8/11/26 | 86.7 1.5 | 1540 | 53.9 0.7 | 0527 | 53.9 1.0 | 97 0 | 35 0 | 3.3 0.7 | 12.2 0.4 | 1543 | SSE | 158 | 0.00 | 0.00 | 0.164 0.003 | 420 13 | 0 0 |
| Lower Chiles Valley (Brown) | 8/11/26 | 88.2 1.7 | 1523 | 53.7 0.5 | 0536 | 53.1 1.5 | 96 4 | 28 3 | 4.0 0.2 | 15.1 2.5 | 1630 | WNW | 292 | 0.00 | 0.00 | 0.207 0.005 | 623 4 | 0 0 |
| Moss Creek Vineyard/Reservior | 8/11/26 | 92.7 2.8 | 1327 | 51.0 2.4 | 0637 | 50.6 2.1 | 94 1 | 21 1 | - | - | - | - | 0.00 | 0.00 | - | - | 0 0 |
| Max | 95.0 | - | 65.5 | - | 55.8 | 100 | 35 | 8.8 | 20.9 | - | - | 0.00 | 0.00 | 0.237 | 638 | - | |
| Avg | - | - | - | - | 53.2 | - | - | 3.7 | - | - | - | - | - | - | - | - | |
| Min | 82.0 | - | 45.9 | - | 49.9 | 60 | 21 | 1.8 | 12.2 | - | - | 0.00 | 0.00 | 0.055 | 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 | 8/11/26 | 90.8 6.4 | 1310 | 55.5 0.1 | 0058 | 55.9 1.3 | 94 2 | 34 4 | - | - | - | - | 0.00 | 0.00 | - | - | 0 0 |
| Diamond Mtn (Schramsberg) | 8/11/26 | 88.0 0.3 | 1620 | 53.4 0.3 | 0357 | 53.8 1.4 | 100 0 | 29 3 | - | - | - | - | 0.00 | 0.00 | - | - | 0 0 |
| Diamond Mtn (McEachran) | 8/11/26 | 89.5 0.3 | 1552 | 54.8 1.1 | 0233 | 54.3 1.5 | 95 0 | 29 6 | - | - | - | - | - | - | - | - | 0 0 |
| St. Helena-North | 8/11/26 | 88.7 0.6 | 1509 | 57.4 0.1 | 0057 | 53.0 0.8 | 84 2 | 29 2 | 3.3 | 13.8 0.9 | 1539 | SSE | 150 | 0.00 | 0.00 | 0.199 0.001 | 536 17 | 0 0 |
| St. Helena (NVV Office) | 8/11/26 | 87.9 0.9 | 1452 | 57.5 0.2 | 0640 | - | - | - | 2.0 | 10.9 1.4 | 1738 | ENE | 76 | 0.00 | 0.00 | - | - | 0 0 |
| Tiara Fria (East St. Helena) | 8/11/26 | 85.0 0.6 | 1522 | 56.4 1.4 | 0257 | 54.8 0.8 | 88 0 | 38 2 | 2.7 | 12.7 0.8 | 1657 | E | 98 | 0.00 | 0.00 | - | - | 40 20 |
| Prisoner Winery | 8/11/26 | 89.2 0.8 | 1528 | 54.1 0.1 | 0055 | 54.6 0.7 | 96 0 | 34 1 | 1.4 | 9.7 0.1 | 1535 | SE | 146 | 0.00 | 0.00 | 0.068 0.042 | 178 156 | 0 0 |
| Rutherford Hill Estate | 8/11/26 | 85.8 0.5 | 1501 | 55.6 0.5 | 0633 | 54.6 0.7 | 93 0 | 36 1 | 1.6 | 14.2 2.6 | 1417 | SSW | 195 | 0.00 | 0.00 | 0.171 0.002 | 533 4 | 20 20 |
| Rutherford-North (Mee Ln) | 8/11/26 | 84.2 0.5 | 1455 | 51.7 0.3 | 0154 | 53.8 0.9 | 92 0 | 38 2 | 3.5 | 16.7 0.9 | 1730 | ESE | 105 | 0.00 | 0.00 | 0.183 0.003 | 510 7 | 40 20 |
| Rutherford (STS) | 8/11/26 | 86.7 0.0 | 1449 | 52.2 0.6 | 0217 | 56.3 0.8 | 91 0 | 41 2 | 2.5 | 14.3 0.4 | 1533 | ESE | 116 | 0.00 | 0.00 | 0.201 0.001 | 614 6 | 0 0 |
| Oakville-NE (Ranch 88) | 8/11/26 | 85.1 0.2 | 1459 | 50.7 0.5 | 0255 | 52.0 1.4 | 87 1 | 36 1 | 2.8 | 17.8 0.6 | 1920 | SSE | 156 | 0.00 | 0.00 | 0.193 0.001 | 553 2 | 100 0 |
| OV561-East | 8/11/26 | 85.1 0.4 | 1626 | 52.7 1.4 | 0346 | - | - | - | - | - | - | - | - | - | - | - | 40 20 |
| Oakville | 8/11/26 | 80.9 0.3 | 1446 | 51.2 1.1 | 0302 | 53.4 1.3 | 91 0 | 42 0 | 4.1 | 20.7 0.8 | 1703 | ESE | 118 | 0.00 | 0.00 | 0.201 0.001 | 602 3 | 90 20 |
| OV518-West | 8/11/26 | 81.4 0.3 | 1427 | 51.6 1.9 | 0251 | - | - | - | - | - | - | - | - | - | - | - | 90 20 |
| To Kalon Remote (TKKE) | 8/11/26 | 85.3 0.2 | 1434 | 52.7 0.1 | 0213 | - | - | - | - | - | - | - | - | - | - | - | 40 20 |
| To Kalon | 8/11/26 | 82.1 0.7 | 1430 | 52.8 0.1 | 0243 | 54.8 0.9 | 94 0 | 42 1 | 3.9 | 16.5 0.7 | 1552 | SSE | 162 | 0.00 | 0.00 | 0.197 0.000 | 577 1 | 40 20 |
| To Kalon Remote (TKN5) | 8/11/26 | 86.4 2.0 | 1455 | 52.4 0.8 | 0243 | - | - | - | - | - | - | - | - | - | - | - | 40 20 |
| Yountville (Ranch 67) | 8/11/26 | 79.7 0.2 | 1508 | 48.3 5.0 | 0514 | 52.0 1.9 | 92 2 | 42 1 | 3.7 | 17.3 0.1 | 1433 | SSE | 153 | 0.00 | 0.00 | 0.196 0.002 | 655 19 | 100 0 |
| Stags Leap Dist (Silverado Vineyards) | 8/11/26 | 80.3 0.0 | 1629 | 47.8 4.4 | 0553 | 52.0 2.0 | 92 1 | 41 1 | 3.0 | 17.6 0.6 | 1510 | S | 178 | 0.00 | 0.00 | 0.191 0.001 | 597 23 | 100 10 |
| Borreo (Soda Canyon) | 8/11/26 | 78.8 0.1 | 1416 | 47.4 4.3 | 0551 | 51.0 2.1 | 97 3 | 39 4 | 1.9 | 10.6 0.2 | 1704 | S | 191 | 0.00 | 0.00 | 0.192 0.004 | 643 17 | 100 10 |
| Wappo Hill Floor | 8/11/26 | 82.1 0.8 | 1424 | 47.2 7.3 | 0523 | 53.5 1.9 | 100 0 | 42 1 | 3.1 | 15.8 2.1 | 1647 | ESE | 104 | 0.00 | 0.00 | 0.194 0.007 | 614 34 | 70 20 |
| Stags Leap Dist (Chimney Rock) | 8/11/26 | 79.8 0.7 | 1414 | 47.2 9.3 | 0638 | 54.5 2.4 | 98 5 | 50 0 | 2.9 | 14.0 1.4 | 1021 | SSW | 198 | 0.00 | 0.00 | 0.172 0.007 | 551 32 | 100 0 |
| Yountville-South (Ranch 87) | 8/11/26 | 82.1 0.2 | 1427 | 48.7 4.8 | 0631 | 53.5 1.9 | 100 8 | 41 1 | 1.9 | 12.6 0.3 | 1540 | S | 180 | 0.00 | 0.00 | 0.183 0.003 | 592 17 | 40 20 |
| Yountville-SE (Ranch 85) | 8/11/26 | 79.7 0.4 | 1426 | 48.9 5.4 | 0601 | 54.1 1.7 | 96 2 | 46 0 | 2.9 | 13.7 0.2 | 1607 | S | 179 | 0.00 | 0.00 | - | 0 0 | 100 0 |
| Oak Knoll-East (Ranch 53) | 8/11/26 | 80.6 1.3 | 1431 | 49.0 1.5 | 0544 | 52.5 1.4 | 92 1 | 41 2 | 2.5 | 15.3 0.4 | 1620 | SSE | 149 | 0.00 | 0.00 | 0.191 0.006 | 632 28 | 70 20 |
| Napa-NW (Ranch 54) | 8/11/26 | 82.3 1.1 | 1614 | 49.2 1.0 | 0556 | 53.0 1.3 | 93 0 | 39 3 | 0.6 | 8.2 1.5 | 1041 | SSW | 199 | 0.00 | 0.00 | - | 0 0 | 50 20 |
| Napa-North (Ranch 29) | 8/11/26 | 77.2 0.6 | 1353 | 49.5 2.4 | 0557 | 54.5 1.1 | 100 0 | 48 1 | 2.1 | 14.2 2.1 | 1513 | SSW | 196 | 0.00 | 0.00 | 0.126 0.001 | 384 2 | 100 0 |
| Max | 90.8 | - | 57.5 | - | 56.3 | 100 | 50 | 4.1 | 20.7 | - | - | 0.00 | 0.00 | 0.201 | 655 | - | |
| Avg | - | - | - | - | 53.7 | - | - | 2.6 | - | - | - | - | - | - | - | - | |
| Min | 77.2 | - | 47.2 | - | 51.0 | 84 | 29 | 0.6 | 8.2 | - | - | 0.00 | 0.00 | 0.068 | 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 | 8/11/26 | 84.4 1.6 | 1507 | 53.8 2.8 | 0617 | 51.9 1.9 | 86 14 | 35 1 | 1.8 | 11.4 2.2 | 1357 | SSE | 148 | 0.00 | 0.00 | 0.237 0.016 | 886 91 | 50 20 |
| Mount George (Napa East) | 8/11/26 | 76.8 0.8 | 1355 | 48.7 4.3 | 0528 | 51.9 2.5 | 95 4 | 43 2 | 1.8 | 12.6 1.0 | 1506 | WSW | 240 | 0.00 | 0.00 | 0.180 0.009 | 611 42 | 100 0 |
| Napa-East (Palmaz 300') | 8/11/26 | 82.5 1.1 | 1412 | 50.4 3.8 | 0518 | 52.9 1.6 | 100 7 | 39 2 | 1.7 | 11.7 0.4 | 1620 | WSW | 249 | 0.00 | 0.00 | 0.167 0.011 | 515 32 | 50 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') | 8/11/26 | 77.1 0.6 | 1434 | 52.1 0.0 | 0645 | 52.0 2.2 | 95 5 | 44 5 | 3.2 | 13.2 1.4 | 1557 | WSW | 254 | 0.00 | 0.00 | 0.181 0.006 | 611 11 | 100 20 |
| Wooden Valley | 8/11/26 | 82.0 1.4 | 1406 | 57.8 2.3 | 0625 | 49.9 2.4 | 78 8 | 31 4 | 4.2 | 16.3 1.2 | 1620 | SW | 219 | 0.00 | 0.00 | 0.210 0.003 | 627 7 | 40 20 |
| Napa-West Upper (Truchard) | 8/11/26 | 79.3 0.5 | 1540 | 51.0 1.7 | 0542 | 22.7 5.3 | 100 0 | 0 0 | 3.1 | 15.7 1.5 | 1614 | SSW | 196 | 0.00 | 0.00 | 0.192 0.001 | 605 3 | 100 0 |
| Napa-West Lower (Truchard) | 8/11/26 | 79.1 0.1 | 1549 | 44.6 0.7 | 0538 | 50.8 1.9 | 94 1 | 42 1 | - | - | - | - | - | - | - | - | 100 0 |
| Napa-South (Toyon Farms) | 8/11/26 | 77.6 0.5 | 1329 | 51.1 2.3 | 0420 | 55.4 1.4 | 100 0 | 52 1 | 3.6 | 16.0 1.3 | 1510 | S | 170 | 0.00 | 0.00 | 0.099 0.000 | 307 3 | 100 0 |
| Toyon Remote 1 | 8/11/26 | 77.5 0.6 | 1333 | 47.1 0.8 | 0554 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 2 | 8/11/26 | 76.5 0.5 | 1326 | 46.6 0.9 | 0556 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 3 | 8/11/26 | 77.6 0.0 | 1344 | 45.6 3.0 | 0437 | - | - | - | - | - | - | - | - | - | - | - | - |
| Dealy Lane (Ranch 80) | 8/11/26 | 79.0 2.5 | 1548 | 47.7 2.6 | 0436 | 52.0 1.8 | 96 1 | 42 4 | 2.4 | 15.3 1.0 | 1609 | SSE | 162 | 0.00 | 0.00 | 0.175 0.001 | 585 12 | 100 0 |
| Carneros (Saintsbury) | 8/11/26 | 74.6 0.3 | 1533 | 45.5 1.7 | 0549 | 51.9 1.6 | 100 0 | 49 1 | 4.4 | 18.2 0.8 | 1604 | S | 176 | 0.00 | 0.00 | - | - | 80 10 |
| Suscol Lower (Ranch 35) | 8/11/26 | 76.1 1.2 | 1323 | 50.6 2.4 | 0316 | 53.1 1.1 | 100 0 | 45 1 | 4.7 | 17.6 1.0 | 1443 | SSW | 206 | 0.00 | 0.00 | 0.173 0.001 | 544 11 | 100 0 |
| Suscol Mtn (Ranch 93) | 8/11/26 | 79.0 0.9 | 1338 | 52.6 1.9 | 0352 | 54.0 1.3 | 98 1 | 46 2 | 3.7 | 17.0 0.0 | 1541 | WSW | 257 | 0.00 | 0.00 | - | - | 100 0 |
| Suscol Upper (Ranch 92) | 8/11/26 | 75.3 1.0 | 1356 | 52.1 3.1 | 0344 | 19.3 5.4 | 100 0 | 0 0 | 2.5 | 16.6 1.8 | 1709 | S | 177 | 0.00 | 0.00 | - | - | 80 10 |
| Stanly (Ranch 45) | 8/11/26 | 74.8 0.8 | 1414 | 47.0 0.9 | 0502 | 52.6 1.3 | 95 1 | 50 1 | 4.9 | 18.5 0.6 | 1711 | SSW | 204 | 0.00 | 0.00 | 0.181 0.005 | 607 1 | 90 10 |
| Carneros Upper (Ranch 81) | 8/11/26 | 78.2 0.5 | 1546 | 51.7 2.3 | 0614 | 52.8 1.1 | - | - | 5.6 | 18.6 0.2 | 1654 | S | 189 | - | - | - | - | 100 0 |
| Carneros (Mitsuko) | 8/11/26 | 75.9 0.4 | 1511 | 44.4 2.8 | 0547 | - | - | - | - | - | - | - | - | - | - | - | 100 0 |
| Carneros Lower (Ranch 81) | 8/11/26 | 78.0 0.6 | 1347 | 48.7 0.5 | 0557 | 52.9 0.8 | 100 0 | 0 0 | 1.9 | 13.6 1.8 | 1354 | SSE | 163 | 0.00 | 0.00 | 0.173 0.005 | 574 19 | 100 0 |
| Carneros (Milton Rd) | 8/11/26 | 74.7 0.4 | 1507 | 46.0 3.5 | 0516 | 52.4 1.6 | 94 1 | 50 2 | - | - | - | - | 0.00 | 0.00 | - | - | 90 10 |
| Max | 84.4 | - | 57.8 | - | 55.4 | 100 | 52 | 5.6 | 18.6 | - | - | 0.00 | 0.00 | 0.237 | 886 | - | |
| Avg | - | - | - | - | 48.7 | - | - | 3.3 | - | - | - | - | - | - | - | - | |
| Min | 74.6 | - | 44.4 | - | 19.3 | 78 | 0 | 1.7 | 11.4 | - | - | 0.00 | 0.00 | 0.099 | 307 | - |