| 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 | 8/3/26 | 100.2 3.6 | 1439 | 62.1 1.9 | 0444 | - | - | - | - | - | - | - | 0.00 | 0.00 | - | - | 0 0 |
| Pope Valley (Weeks Lake) | 8/3/26 | 102.7 0.0 | 1318 | 53.6 2.6 | 0620 | 53.0 1.9 | 93 1 | 12 2 | 1.6 0.2 | 12.9 1.3 | 1245 | SE | 128 | 0.00 | 0.00 | 0.229 0.006 | 604 2 | 0 0 |
| Dollarhide Base | 8/3/26 | 107.2 2.5 | 1538 | 61.9 2.8 | 0634 | 56.6 1.1 | 86 4 | 14 5 | 2.9 0.1 | 16.3 0.5 | 1755 | SSW | 210 | 0.00 | 0.00 | 0.284 0.004 | 682 6 | 0 0 |
| Dollarhide 1AS Remote | 8/3/26 | 110.6 4.1 | 1535 | 55.1 2.2 | 0553 | 54.4 1.2 | 88 2 | 12 6 | 2.4 0.0 | 19.2 3.7 | 1708 | SSE | 168 | - | - | - | - | 0 0 |
| Dollarhide 16A Remote | 8/3/26 | 100.8 2.0 | 1220 | 59.7 2.0 | 0645 | 57.4 0.5 | 87 4 | 19 2 | - | - | - | - | - | - | - | - | 0 0 |
| Dollarhide 18A Remote | 8/3/26 | 101.4 0.1 | 1600 | 53.4 2.9 | 0607 | 58.0 1.5 | 97 0 | 17 1 | - | - | - | - | - | - | - | - | 0 0 |
| Hardin Rd (Eakle) | 8/3/26 | 107.5 2.9 | 1427 | 57.1 2.3 | 0615 | - | - | - | - | - | - | - | - | - | - | - | 0 0 |
| Angwin | 8/3/26 | 96.8 2.3 | 1415 | 75.5 2.6 | 0616 | 45.1 2.3 | 37 1 | 13 5 | 3.7 0.3 | 12.7 1.1 | 0841 | NNE | 28 | 0.00 | 0.00 | 0.095 0.001 | 0 0 | 100 0 |
| Lower Angwin (Pioneer) | 8/3/26 | 96.4 1.4 | 1606 | 58.0 4.5 | 0059 | - | - | - | 2.3 0.1 | 11.5 0.2 | 1817 | WNW | 282 | - | - | - | - | 30 10 |
| Las Posadas (Cal Fire) | 8/3/26 | 100.6 1.7 | 1345 | 59.7 2.7 | 0417 | 51.2 1.4 | 80 6 | 15 2 | 7.4 1.0 | 22.6 4.2 | 1830 | WSW | 245 | 0.00 | 0.00 | 0.323 0.026 | 595 2 | - |
| Deer Park | 8/3/26 | 101.9 1.2 | 1519 | 59.0 1.3 | 0600 | 55.1 0.3 | 86 6 | 18 5 | 2.9 0.6 | 14.0 1.0 | 1903 | WNW | 303 | 0.00 | 0.00 | 0.207 0.014 | 455 1 | 0 0 |
| Lower Chiles Valley (Brown) | 8/3/26 | 103.2 2.7 | 1333 | 52.5 1.0 | 0547 | 51.7 2.1 | 94 1 | 10 8 | 3.2 0.0 | 14.3 2.7 | 1629 | W | 259 | 0.00 | 0.00 | 0.259 0.011 | 659 3 | 0 0 |
| Moss Creek Vineyard/Reservior | 8/3/26 | 105.9 1.1 | 1508 | 59.0 1.9 | 0553 | 51.6 1.9 | 85 4 | 11 5 | - | - | - | - | 0.00 | 0.00 | - | - | 0 0 |
| Max | 110.6 | - | 75.5 | - | 58.0 | 97 | 19 | 7.4 | 22.6 | - | - | 0.00 | 0.00 | 0.323 | 682 | - | |
| Avg | - | - | - | - | 53.4 | - | - | 3.3 | - | - | - | - | - | - | - | - | |
| Min | 96.4 | - | 52.5 | - | 45.1 | 37 | 10 | 1.6 | 11.5 | - | - | 0.00 | 0.00 | 0.095 | 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 | 8/3/26 | 108.5 4.4 | 1447 | 56.7 2.8 | 0629 | 58.6 2.1 | 94 1 | 18 2 | - | - | - | - | 0.00 | 0.00 | - | - | 0 0 |
| Diamond Mtn (Schramsberg) | 8/3/26 | 100.2 2.2 | 1405 | 59.4 0.6 | 0537 | 54.8 2.0 | 87 3 | 18 2 | - | - | - | - | 0.00 | 0.00 | - | - | 0 0 |
| Diamond Mtn (McEachran) | 8/3/26 | 101.9 1.8 | 1634 | 59.0 0.7 | 0501 | 56.0 3.4 | 87 3 | 22 7 | - | - | - | - | - | - | - | - | 0 0 |
| St. Helena-North | 8/3/26 | 101.4 2.4 | 1552 | 57.7 1.9 | 0614 | 54.5 1.9 | 83 3 | 19 8 | 3.5 | 14.7 3.9 | 1453 | SE | 146 | 0.00 | 0.00 | 0.239 0.026 | 572 1 | 0 0 |
| St. Helena (NVV Office) | 8/3/26 | 101.4 3.6 | 1532 | 58.5 2.2 | 0642 | - | - | - | 1.9 | 10.9 1.7 | 1433 | ESE | 122 | 0.00 | 0.00 | - | - | 0 0 |
| Tiara Fria (East St. Helena) | 8/3/26 | 97.9 4.2 | 1535 | 56.2 2.2 | 0621 | 56.7 0.6 | 87 2 | 25 9 | 2.4 | 13.4 2.3 | 1538 | ESE | 123 | 0.00 | 0.00 | - | - | 0 0 |
| Prisoner Winery | 8/3/26 | 101.2 2.7 | 1536 | 55.0 2.7 | 0646 | 57.2 0.9 | 96 1 | 24 9 | 1.4 | 9.4 1.3 | 1458 | E | 98 | 0.00 | 0.00 | 0.190 0.148 | 507 473 | 0 0 |
| Rutherford Hill Estate | 8/3/26 | 101.2 0.5 | 1556 | 58.0 0.5 | 0629 | 56.8 0.8 | 93 7 | 22 1 | 1.4 | 14.2 3.7 | 1615 | S | 185 | 0.00 | 0.00 | 0.199 0.003 | 556 1 | 0 0 |
| Rutherford-North (Mee Ln) | 8/3/26 | 96.6 7.0 | 1525 | 52.6 2.1 | 0615 | 56.3 0.8 | 90 0 | 27 11 | 3.4 | 16.9 3.7 | 1613 | SSE | 150 | 0.00 | 0.00 | 0.228 0.012 | 559 0 | 0 0 |
| Rutherford (STS) | 8/3/26 | 98.7 4.2 | 1436 | 53.3 2.0 | 0559 | 59.7 0.2 | 91 0 | 32 7 | 2.0 | 16.0 0.8 | 1526 | E | 91 | 0.00 | 0.00 | 0.238 0.004 | 663 0 | 0 0 |
| Oakville-NE (Ranch 88) | 8/3/26 | 97.2 3.3 | 1511 | 52.7 2.6 | 0628 | 54.4 0.5 | 84 2 | 25 2 | 2.5 | 16.4 2.3 | 1650 | S | 187 | 0.00 | 0.00 | 0.232 0.008 | 602 1 | 80 10 |
| OV561-East | 8/3/26 | 98.5 4.9 | 1535 | 55.4 3.0 | 0645 | - | - | - | - | - | - | - | - | - | - | - | 0 0 |
| Oakville | 8/3/26 | 93.7 3.9 | 1451 | 53.9 2.7 | 0639 | 56.2 0.5 | 90 0 | 30 2 | 3.9 | 19.3 5.5 | 1604 | SE | 143 | 0.00 | 0.00 | 0.249 0.006 | 650 0 | 50 10 |
| OV518-West | 8/3/26 | 94.1 2.7 | 1502 | 54.3 2.4 | 0627 | - | - | - | - | - | - | - | - | - | - | - | 50 10 |
| To Kalon Remote (TKKE) | 8/3/26 | 98.9 3.1 | 1513 | 54.4 2.3 | 0616 | - | - | - | - | - | - | - | - | - | - | - | 0 0 |
| To Kalon | 8/3/26 | 95.9 3.2 | 1510 | 54.6 1.7 | 0538 | 57.6 0.1 | 94 1 | 29 4 | 3.5 | 17.8 4.2 | 1612 | SE | 139 | 0.00 | 0.00 | 0.244 0.009 | 626 4 | 10 10 |
| To Kalon Remote (TKN5) | 8/3/26 | 98.3 4.5 | 1425 | 54.6 2.4 | 0604 | - | - | - | - | - | - | - | - | - | - | - | 0 0 |
| Yountville (Ranch 67) | 8/3/26 | 92.7 2.5 | 1541 | 52.9 1.8 | 0601 | 55.1 0.1 | 90 1 | 28 0 | 4.0 | 16.0 1.2 | 1652 | SSE | 167 | 0.00 | 0.00 | 0.246 0.004 | 667 8 | 60 10 |
| Stags Leap Dist (Silverado Vineyards) | 8/3/26 | 93.7 3.6 | 1536 | 53.4 1.6 | 0623 | 55.2 0.1 | 92 1 | 26 1 | 3.2 | 16.8 2.5 | 1617 | SE | 143 | 0.00 | 0.00 | 0.242 0.002 | 638 2 | 70 10 |
| Borreo (Soda Canyon) | 8/3/26 | 93.5 1.6 | 1615 | 52.5 0.7 | 0604 | 53.5 0.5 | 92 4 | 25 1 | 1.7 | 11.0 0.2 | 1414 | SE | 136 | 0.00 | 0.00 | 0.230 0.001 | 675 2 | 70 10 |
| Wappo Hill Floor | 8/3/26 | 93.9 3.0 | 1448 | 52.1 1.9 | 0608 | 56.4 0.7 | 100 9 | 30 1 | 2.7 | 12.8 0.3 | 1612 | SE | 136 | 0.00 | 0.00 | 0.230 0.004 | 646 7 | 30 10 |
| Stags Leap Dist (Chimney Rock) | 8/3/26 | 94.0 2.3 | 1508 | 53.2 2.7 | 0622 | 58.1 0.1 | 97 2 | 34 1 | 2.5 | 12.4 1.6 | 1609 | S | 191 | 0.00 | 0.00 | 0.208 0.003 | 580 1 | 60 10 |
| Yountville-South (Ranch 87) | 8/3/26 | 94.7 3.9 | 1459 | 54.3 2.2 | 0632 | 57.0 0.1 | 93 7 | 29 1 | 1.7 | 11.1 1.7 | 1645 | SSE | 166 | 0.00 | 0.00 | 0.218 0.001 | 634 1 | 0 0 |
| Yountville-SE (Ranch 85) | 8/3/26 | 92.3 2.4 | 1457 | 54.9 3.0 | 0635 | 57.4 0.1 | 94 2 | 32 1 | 2.4 | 12.7 0.7 | 1638 | SSE | 163 | 0.00 | 0.00 | - | 0 0 | 60 10 |
| Oak Knoll-East (Ranch 53) | 8/3/26 | 92.4 3.5 | 1429 | 54.2 1.5 | 0620 | 55.7 0.0 | 89 1 | 29 1 | 2.2 | 14.0 2.1 | 1604 | SE | 128 | 0.00 | 0.00 | 0.230 0.003 | 671 1 | 30 10 |
| Napa-NW (Ranch 54) | 8/3/26 | 94.1 6.3 | 1416 | 54.5 1.5 | 0607 | 56.8 0.7 | 90 3 | 30 8 | 0.5 | 5.6 1.5 | 1737 | SSE | 148 | 0.00 | 0.00 | - | 0 0 | 0 0 |
| Napa-North (Ranch 29) | 8/3/26 | 88.8 3.2 | 1602 | 54.1 1.2 | 0519 | 56.9 0.4 | 100 0 | 32 1 | 2.0 | 12.9 1.5 | 1652 | SSW | 205 | 0.00 | 0.00 | 0.146 0.003 | 374 0 | 60 10 |
| Max | 108.5 | - | 59.4 | - | 59.7 | 100 | 34 | 4.0 | 19.3 | - | - | 0.00 | 0.00 | 0.249 | 675 | - | |
| Avg | - | - | - | - | 56.4 | - | - | 2.4 | - | - | - | - | - | - | - | - | |
| Min | 88.8 | - | 52.1 | - | 53.5 | 83 | 18 | 0.5 | 5.6 | - | - | 0.00 | 0.00 | 0.146 | 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 | 8/3/26 | 95.5 0.0 | 1426 | 66.4 1.3 | 0332 | 51.1 0.3 | 63 0 | 21 1 | 1.9 | 11.7 1.9 | 1522 | S | 181 | 0.00 | 0.00 | 0.343 0.022 | 1,017 136 | 40 20 |
| Mount George (Napa East) | 8/3/26 | 91.2 2.5 | 1541 | 52.2 0.2 | 0618 | 54.4 0.5 | 91 4 | 27 0 | 1.4 | 10.0 0.8 | 1559 | W | 267 | 0.00 | 0.00 | 0.213 0.001 | 640 1 | 60 10 |
| Napa-East (Palmaz 300') | 8/3/26 | 95.8 2.3 | 1601 | 54.2 0.7 | 0514 | 55.4 0.6 | 94 0 | 24 1 | 1.8 | 10.3 0.1 | 1434 | SW | 232 | 0.00 | 0.00 | 0.194 0.001 | 530 2 | 10 10 |
| 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') | 8/3/26 | 92.2 0.6 | 1541 | 55.6 2.2 | 0455 | 53.9 0.6 | 84 10 | 25 3 | 2.2 | 12.7 0.0 | 1525 | SW | 219 | 0.00 | 0.00 | 0.227 0.001 | 643 0 | 60 10 |
| Wooden Valley | 8/3/26 | 100.6 3.3 | 1431 | 55.4 2.0 | 0610 | 51.7 1.0 | 84 0 | 16 5 | 2.8 | 13.1 1.5 | 1450 | SW | 236 | 0.00 | 0.00 | 0.254 0.003 | 659 3 | 30 10 |
| Napa-West Upper (Truchard) | 8/3/26 | 90.8 3.0 | 1434 | 56.5 1.0 | 0607 | 56.4 19.0 | 100 0 | 0 0 | 2.6 | 12.8 0.5 | 1828 | S | 170 | 0.00 | 0.00 | 0.232 0.010 | 656 2 | 40 10 |
| Napa-West Lower (Truchard) | 8/3/26 | 91.0 2.5 | 1440 | 48.8 1.1 | 0538 | 54.5 0.0 | 94 1 | 29 1 | - | - | - | - | - | - | - | - | 60 10 |
| Napa-South (Toyon Farms) | 8/3/26 | 88.8 2.6 | 1415 | 56.3 0.5 | 0520 | 59.6 0.3 | 99 1 | 40 0 | 3.0 | 12.3 0.5 | 1653 | SSE | 163 | 0.00 | 0.00 | 0.123 0.008 | 317 1 | 80 10 |
| Toyon Remote 1 | 8/3/26 | 88.9 2.7 | 1334 | 51.8 0.7 | 0526 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 2 | 8/3/26 | 87.3 4.1 | 1416 | 51.5 0.6 | 0608 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 3 | 8/3/26 | 89.1 2.8 | 1400 | 51.9 2.3 | 0529 | - | - | - | - | - | - | - | - | - | - | - | - |
| Dealy Lane (Ranch 80) | 8/3/26 | 87.8 5.9 | 1545 | 54.4 2.8 | 0644 | 56.2 0.3 | 93 3 | 35 6 | 2.4 | 13.1 0.5 | 1643 | SE | 142 | 0.00 | 0.00 | 0.217 0.004 | 647 1 | 60 10 |
| Carneros (Saintsbury) | 8/3/26 | 85.8 3.3 | 1356 | 51.9 1.2 | 0611 | 56.3 0.2 | 96 3 | 36 2 | 3.5 | 12.8 1.8 | 1635 | SSE | 150 | 0.00 | 0.00 | - | - | 100 10 |
| Suscol Lower (Ranch 35) | 8/3/26 | 88.4 3.2 | 1406 | 53.2 1.8 | 0541 | 54.5 0.6 | 88 12 | 32 2 | 4.2 | 14.5 0.7 | 1549 | SW | 216 | 0.00 | 0.00 | 0.216 0.008 | 597 8 | 70 10 |
| Suscol Mtn (Ranch 93) | 8/3/26 | 95.4 0.7 | 1532 | 58.7 2.9 | 0121 | 53.8 1.5 | 88 8 | 25 1 | 2.9 | 11.4 1.5 | 1445 | WNW | 290 | 0.00 | 0.00 | - | - | 60 10 |
| Suscol Upper (Ranch 92) | 8/3/26 | 91.8 0.7 | 1527 | 58.2 2.5 | 0128 | 53.6 11.5 | 91 9 | 27 26 | 0.7 | 10.4 0.2 | 1441 | SW | 214 | 0.00 | 0.00 | - | - | 60 10 |
| Stanly (Ranch 45) | 8/3/26 | 84.8 3.8 | 1413 | 51.6 1.1 | 0633 | 56.6 0.3 | 94 0 | 38 4 | 4.5 | 14.2 1.2 | 1614 | W | 275 | 0.00 | 0.00 | 0.231 0.007 | 685 6 | 100 10 |
| Carneros Upper (Ranch 81) | 8/3/26 | 89.2 4.0 | 1405 | 57.4 0.6 | 0624 | 55.7 0.6 | - | - | 3.8 | 14.6 0.4 | 1545 | S | 181 | - | - | - | - | 60 10 |
| Carneros (Mitsuko) | 8/3/26 | 85.7 4.6 | 1437 | 49.5 1.6 | 0452 | - | - | - | - | - | - | - | - | - | - | - | 100 10 |
| Carneros Lower (Ranch 81) | 8/3/26 | 89.3 2.3 | 1403 | 54.3 0.9 | 0626 | 55.7 2.6 | 100 0 | 0 0 | 1.8 | 12.0 0.2 | 1634 | S | 173 | 0.00 | 0.00 | 0.212 0.004 | 634 0 | 70 10 |
| Carneros (Milton Rd) | 8/3/26 | 85.3 3.3 | 1402 | 50.8 0.6 | 0537 | 56.6 0.5 | 92 0 | 39 4 | - | - | - | - | 0.00 | 0.00 | - | - | 100 10 |
| Max | 100.6 | - | 66.4 | - | 59.6 | 100 | 40 | 4.5 | 14.6 | - | - | 0.00 | 0.00 | 0.343 | 1,017 | - | |
| Avg | - | - | - | - | 55.1 | - | - | 2.6 | - | - | - | - | - | - | - | - | |
| Min | 84.8 | - | 48.8 | - | 51.1 | 63 | 0 | 0.7 | 10.0 | - | - | 0.00 | 0.00 | 0.123 | 317 | - |