| 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 | 9/8/26 | 91.1 5.4 | 1608 | 50.2 0.5 | 0625 | - | - | - | - | - | - | - | 0.00 | 0.82 | - | - | 70 10 |
| Pope Valley (Weeks Lake) | 9/8/26 | 94.6 5.5 | 1527 | 40.9 1.0 | 0647 | 43.2 0.8 | 100 0 | 13 1 | 1.2 0.3 | 11.8 1.3 | 1419 | SE | 127 | 0.00 | 0.03 | 0.171 0.000 | 510 2 | 40 10 |
| Dollarhide Base | 9/8/26 | 97.0 4.9 | 1502 | 49.1 1.1 | 0656 | 47.4 0.1 | 94 2 | 17 1 | 2.1 0.2 | 15.6 1.3 | 1609 | ESE | 105 | 0.00 | 0.00 | 0.200 0.001 | 544 9 | 10 10 |
| Dollarhide 1AS Remote | 9/8/26 | 98.3 4.3 | 1530 | 40.9 1.1 | 0703 | 43.8 0.5 | 89 2 | 16 0 | 1.3 0.2 | 13.0 3.4 | 1342 | ENE | 67 | - | - | - | - | 30 10 |
| Dollarhide 16A Remote | 9/8/26 | 96.5 4.1 | 1524 | 47.2 0.9 | 0634 | 47.8 0.3 | 95 2 | 17 1 | - | - | - | - | - | - | - | - | 10 10 |
| Dollarhide 18A Remote | 9/8/26 | 98.4 5.7 | 1741 | 38.7 0.6 | 0627 | 44.2 0.9 | 93 2 | 16 1 | - | - | - | - | - | - | - | - | 40 10 |
| Hardin Rd (Eakle) | 9/8/26 | 95.5 4.3 | 1608 | 43.9 0.9 | 0650 | - | - | - | - | - | - | - | - | - | - | - | 40 10 |
| Angwin | 9/8/26 | 88.8 5.6 | 1545 | 63.1 4.7 | 0335 | 36.9 3.6 | 46 8 | 12 4 | 3.4 0.7 | 11.7 4.6 | 0903 | N | 11 | 0.00 | 0.30 | 0.074 0.009 | 0 0 | 70 20 |
| Lower Angwin (Pioneer) | 9/8/26 | 90.7 6.0 | 1723 | 44.6 5.3 | 0342 | - | - | - | 1.9 0.8 | 10.7 1.3 | 1444 | SE | 129 | - | - | - | - | 90 10 |
| Las Posadas (Cal Fire) | 9/8/26 | 92.7 5.9 | 1605 | 57.8 5.1 | 0535 | 42.7 1.0 | 62 18 | 15 2 | 3.7 1.5 | 16.7 2.0 | 1346 | NNE | 18 | 0.00 | 0.23 | 0.210 0.002 | 500 11 | - |
| Deer Park | 9/8/26 | 97.1 5.8 | 1452 | 64.0 11.3 | 0445 | 40.8 4.2 | 49 46 | 9 5 | 2.8 0.2 | 13.4 0.0 | 1515 | SSE | 162 | 0.00 | 0.04 | 0.184 0.013 | 383 1 | 60 10 |
| Lower Chiles Valley (Brown) | 9/8/26 | 95.7 6.1 | 1616 | 42.3 2.3 | 0641 | 41.7 0.1 | 96 4 | 13 2 | 1.7 0.2 | 23.0 6.9 | 1630 | E | 85 | 0.00 | 0.14 | 0.202 0.007 | 560 3 | 40 10 |
| Moss Creek Vineyard/Reservior | 9/8/26 | 96.7 7.8 | 1701 | 47.2 1.6 | 0643 | 43.6 0.5 | 91 4 | 12 5 | - | - | - | - | 0.00 | 0.04 | - | - | 40 10 |
| Max | 98.4 | - | 64.0 | - | 47.8 | 100 | 17 | 3.7 | 23.0 | - | - | 0.00 | 0.82 | 0.210 | 560 | - | |
| Avg | - | - | - | - | 43.2 | - | - | 2.3 | - | - | - | - | - | - | - | - | |
| Min | 88.8 | - | 38.7 | - | 36.9 | 46 | 9 | 1.2 | 10.7 | - | - | 0.00 | 0.00 | 0.074 | 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 | 9/8/26 | 100.9 6.0 | 1436 | 47.7 1.6 | 0643 | 47.1 1.2 | 91 6 | 13 5 | - | - | - | - | 0.00 | 0.09 | - | - | 60 10 |
| Diamond Mtn (Schramsberg) | 9/8/26 | 93.5 5.6 | 1608 | 65.7 11.7 | 0202 | 39.3 4.6 | 45 44 | 11 4 | - | - | - | - | 0.00 | 0.13 | - | - | 60 20 |
| Diamond Mtn (McEachran) | 9/8/26 | 97.3 5.9 | 1618 | 60.4 10.0 | 0550 | 42.4 2.9 | 57 35 | 10 3 | - | - | - | - | - | - | - | - | 40 10 |
| St. Helena-North | 9/8/26 | 98.2 6.2 | 1555 | 50.1 2.9 | 0659 | 40.3 2.2 | 79 10 | 7 3 | 2.3 | 13.4 0.7 | 1351 | S | 172 | 0.00 | 0.11 | 0.181 0.013 | 477 1 | 40 10 |
| St. Helena (NVV Office) | 9/8/26 | 100.5 4.6 | 1636 | 50.5 2.7 | 0648 | - | - | - | 1.2 | 8.4 0.9 | 1757 | W | 261 | 0.00 | 0.04 | - | - | 30 10 |
| Tiara Fria (East St. Helena) | 9/8/26 | 98.0 6.6 | 1553 | 48.1 2.4 | 0645 | 43.4 1.1 | 85 6 | 11 3 | 1.6 | 11.7 1.8 | 1331 | S | 185 | 0.00 | 0.02 | - | - | 60 10 |
| Prisoner Winery | 9/8/26 | 100.2 4.9 | 1539 | 49.4 3.3 | 0640 | 43.6 1.4 | 89 8 | 9 3 | 1.5 | 10.0 0.6 | 1442 | SSW | 212 | 0.00 | 0.06 | 0.049 0.012 | 24 13 | 10 10 |
| Rutherford Hill Estate | 9/8/26 | 100.0 6.7 | 1518 | 60.6 9.0 | 0237 | 43.2 4.0 | 59 35 | 11 4 | 1.4 | 10.5 0.9 | 1436 | SSW | 204 | 0.00 | 0.08 | 0.164 0.008 | 459 3 | 60 10 |
| Rutherford-North (Mee Ln) | 9/8/26 | 100.4 7.0 | 1653 | 49.8 6.7 | 0654 | 44.6 0.3 | 84 9 | 10 5 | 2.0 | 14.7 2.0 | 1457 | S | 188 | 0.00 | 0.06 | 0.178 0.006 | 490 1 | 60 10 |
| Rutherford (STS) | 9/8/26 | 100.7 6.4 | 1533 | 50.8 7.3 | 0215 | 48.5 0.3 | 87 5 | 12 6 | 2.0 | 16.1 6.9 | 1357 | NE | 38 | 0.00 | 0.05 | 0.195 0.009 | 562 2 | 80 10 |
| Oakville-NE (Ranch 88) | 9/8/26 | 100.0 6.4 | 1641 | 47.3 5.2 | 0700 | 41.5 1.5 | 84 4 | 8 7 | 1.1 | 9.6 0.5 | 1506 | SW | 218 | 0.00 | 0.04 | 0.167 0.010 | 478 0 | 80 10 |
| OV561-East | 9/7/26 | 96.3 11.9 | 1654 | 44.6 2.5 | 0641 | - | - | - | - | - | - | - | - | - | - | - | 70 10 |
| Oakville | 9/7/26 | 92.5 10.1 | 1612 | 43.6 2.8 | 0652 | 45.3 0.9 | 91 1 | 17 4 | 1.6 | 13.4 4.5 | 1458 | SSW | 198 | 0.00 | 0.03 | 0.184 0.000 | 558 0 | 90 10 |
| OV518-West | 9/7/26 | 90.2 9.8 | 1811 | 45.1 3.3 | 0624 | - | - | - | - | - | - | - | - | - | - | - | 90 10 |
| To Kalon Remote (TKKE) | 9/8/26 | 100.1 6.4 | 1722 | 50.5 5.3 | 0353 | - | - | - | - | - | - | - | - | - | - | - | 80 10 |
| To Kalon | 9/8/26 | 100.4 7.8 | 1744 | 50.5 5.1 | 0351 | 44.6 1.7 | 83 12 | 11 5 | 2.0 | 10.5 0.9 | 1502 | SE | 130 | 0.00 | 0.00 | 0.192 0.013 | 537 3 | 80 10 |
| To Kalon Remote (TKN5) | 9/8/26 | 99.4 6.7 | 1603 | 50.1 4.4 | 0423 | - | - | - | - | - | - | - | - | - | - | - | 80 10 |
| Yountville (Ranch 67) | 9/8/26 | 96.0 6.7 | 1552 | 47.7 4.4 | 0625 | 44.0 0.6 | 86 6 | 10 7 | 2.0 | 12.7 0.7 | 1425 | SSW | 192 | 0.00 | 0.05 | 0.194 0.007 | 583 14 | 80 10 |
| Stags Leap Dist (Silverado Vineyards) | 9/8/26 | 96.8 6.6 | 1544 | 48.9 4.8 | 0626 | 43.5 1.2 | 85 8 | 10 7 | 1.3 | 9.6 2.9 | 1435 | S | 188 | 0.00 | 0.07 | 0.191 0.009 | 547 3 | 90 10 |
| Borreo (Soda Canyon) | 9/8/26 | 95.0 6.4 | 1623 | 51.0 3.8 | 0614 | 43.9 2.7 | 81 17 | 11 7 | 1.6 | 9.6 1.9 | 1508 | SSE | 166 | 0.00 | 0.31 | 0.169 0.006 | 480 4 | 80 10 |
| Wappo Hill Floor | 9/8/26 | 98.0 6.4 | 1746 | 46.8 2.8 | 0647 | 44.7 1.4 | 90 10 | 10 6 | 1.8 | 11.0 0.9 | 1434 | WSW | 250 | 0.00 | 0.10 | 0.189 0.009 | 529 5 | 80 10 |
| Stags Leap Dist (Chimney Rock) | 9/8/26 | 97.0 6.4 | 1639 | 46.5 2.4 | 0645 | 49.9 0.1 | 96 3 | 17 7 | 1.6 | 11.0 0.5 | 1400 | SSW | 213 | 0.00 | 0.10 | 0.176 0.008 | 500 2 | 80 10 |
| Yountville-South (Ranch 87) | 9/8/26 | 98.1 7.0 | 1736 | 47.0 1.9 | 0630 | 45.6 1.4 | 90 10 | 11 6 | 1.1 | 11.2 0.2 | 1443 | WSW | 245 | 0.00 | 0.09 | 0.165 0.005 | 458 3 | 80 10 |
| Yountville-SE (Ranch 85) | 9/8/26 | 100.1 8.8 | 1643 | 46.5 0.9 | 0630 | 46.5 0.9 | 91 3 | 11 7 | 1.0 | 8.1 2.1 | 1552 | S | 177 | 0.00 | 0.08 | - | 0 0 | 80 10 |
| Oak Knoll-East (Ranch 53) | 9/8/26 | 99.3 7.6 | 1635 | 47.4 0.1 | 0657 | 44.3 2.0 | 87 4 | 9 7 | 0.9 | 9.9 0.2 | 1418 | SW | 221 | 0.00 | 0.15 | 0.188 0.005 | 566 4 | 80 10 |
| Napa-NW (Ranch 54) | 9/8/26 | 99.8 7.0 | 1758 | 49.8 0.9 | 0711 | 44.4 2.8 | 85 7 | 9 6 | 0.6 | 8.2 0.0 | 1354 | SSW | 194 | 0.00 | 0.18 | - | 0 0 | 80 10 |
| Napa-North (Ranch 29) | 9/8/26 | 99.1 7.7 | 1552 | 47.7 0.1 | 0640 | 48.2 1.3 | 100 0 | 14 4 | 0.9 | 9.4 1.2 | 1500 | SSW | 193 | 0.00 | 0.10 | 0.128 0.000 | 339 7 | 80 10 |
| Max | 100.9 | - | 65.7 | - | 49.9 | 100 | 17 | 2.3 | 16.1 | - | - | 0.00 | 0.31 | 0.195 | 583 | - | |
| Avg | - | - | - | - | 44.5 | - | - | 1.5 | - | - | - | - | - | - | - | - | |
| Min | 93.5 | - | 46.5 | - | 39.3 | 45 | 7 | 0.6 | 8.1 | - | - | 0.00 | 0.00 | 0.049 | 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 | 9/8/26 | 88.9 5.1 | 1556 | 66.8 8.8 | 0411 | 40.1 2.7 | 45 25 | 14 6 | 2.1 | 11.2 0.3 | 1417 | S | 170 | 0.00 | 0.45 | 0.244 0.039 | 829 126 | 70 20 |
| Mount George (Napa East) | 9/8/26 | 95.5 6.3 | 1609 | 50.9 1.3 | 0647 | 46.8 2.5 | 94 1 | 14 4 | 1.3 | 12.1 1.9 | 1415 | SW | 226 | 0.00 | 0.16 | 0.187 0.007 | 558 2 | 40 10 |
| Napa-East (Palmaz 300') | 9/8/26 | 101.4 6.4 | 1634 | 50.5 3.0 | 0620 | 45.7 3.4 | 89 11 | 12 4 | 2.0 | 10.7 1.0 | 1427 | WSW | 237 | 0.00 | 0.16 | 0.186 0.012 | 507 1 | 80 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') | 9/8/26 | 92.5 7.2 | 1433 | 54.3 5.9 | 0336 | 44.5 2.4 | 74 26 | 16 7 | 2.9 | 22.3 8.8 | 1256 | ESE | 102 | 0.00 | 0.33 | 0.193 0.009 | 537 4 | 50 10 |
| Wooden Valley | 9/8/26 | 94.7 6.5 | 1544 | 43.2 0.9 | 0628 | 41.3 1.2 | 91 4 | 12 5 | 1.3 | 10.8 0.1 | 1404 | WSW | 254 | 0.00 | 0.04 | 0.184 0.004 | 549 2 | 30 10 |
| Napa-West Upper (Truchard) | 9/8/26 | 99.3 6.0 | 1537 | 56.5 4.0 | 0720 | 45.2 23.7 | 70 30 | 12 11 | 1.5 | 11.3 0.0 | 1522 | SSW | 196 | 0.00 | 0.10 | 0.244 0.050 | 764 204 | 80 10 |
| Napa-West Lower (Truchard) | 9/8/26 | 101.2 7.7 | 1540 | 45.4 0.6 | 0659 | 44.4 1.3 | 91 2 | 12 3 | - | - | - | - | - | - | - | - | 80 10 |
| Napa-South (Toyon Farms) | 9/8/26 | 98.3 7.2 | 1708 | 53.9 1.0 | 0655 | 51.8 1.3 | 86 13 | 18 3 | 1.6 | 12.1 0.7 | 1501 | SSE | 158 | 0.00 | 0.07 | 0.103 0.007 | 254 2 | 80 10 |
| Toyon Remote 1 | 9/8/26 | 97.7 6.9 | 1555 | 48.3 0.1 | 0512 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 2 | 9/8/26 | 98.1 7.0 | 1731 | 47.1 0.6 | 0654 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 3 | 9/8/26 | 98.7 5.9 | 1721 | 46.6 46.6 | 0646 | - | - | - | - | - | - | - | - | - | - | - | - |
| Dealy Lane (Ranch 80) | 9/8/26 | 97.2 6.2 | 1703 | 49.4 1.8 | 0510 | 45.9 2.4 | 88 7 | 13 3 | 1.8 | 12.4 0.1 | 1450 | WSW | 240 | 0.00 | 0.08 | 0.188 0.009 | 549 7 | 80 10 |
| Carneros (Saintsbury) | 9/8/26 | 96.0 6.1 | 1551 | 50.5 1.1 | 0647 | 46.7 1.7 | 85 15 | 14 3 | 2.2 | 11.4 4.9 | 1604 | S | 184 | 0.00 | 0.08 | - | - | 60 10 |
| Suscol Lower (Ranch 35) | 9/8/26 | 95.9 6.5 | 1721 | 50.7 0.4 | 0541 | 46.6 2.7 | 87 13 | 15 1 | 3.3 | 12.8 0.4 | 1515 | SSW | 207 | 0.00 | 0.15 | 0.203 0.010 | 515 5 | 80 10 |
| Suscol Mtn (Ranch 93) | 9/8/26 | 99.3 6.5 | 1500 | 65.4 12.1 | 0257 | 43.5 5.9 | 51 48 | 14 3 | 2.9 | 15.1 1.8 | 1529 | W | 264 | 0.00 | 0.33 | - | - | 100 10 |
| Suscol Upper (Ranch 92) | 9/8/26 | 96.4 7.1 | 1432 | 63.6 10.4 | 0432 | 44.4 20.7 | 55 45 | 14 14 | 1.0 | 12.4 1.9 | 1534 | WSW | 242 | 0.00 | 0.15 | - | - | 0 0 |
| Stanly (Ranch 45) | 9/8/26 | 100.6 9.1 | 1722 | 48.0 2.2 | 0647 | 48.0 1.4 | 90 2 | 13 3 | 2.5 | 11.4 1.5 | 1435 | SSW | 212 | 0.00 | 0.15 | 0.193 0.007 | 493 2 | 80 10 |
| Carneros Upper (Ranch 81) | 9/8/26 | 98.0 6.6 | 1610 | 59.3 5.2 | 0524 | 44.9 7.9 | - | - | 3.2 | 15.9 4.5 | 1931 | W | 265 | - | - | - | - | 40 10 |
| Carneros (Mitsuko) | 9/8/26 | 97.9 7.5 | 1702 | 44.9 0.5 | 0650 | - | - | - | - | - | - | - | - | - | - | - | 80 10 |
| Carneros Lower (Ranch 81) | 9/8/26 | 98.2 6.7 | 1438 | 48.8 0.6 | 0706 | 47.3 6.1 | 100 0 | 0 0 | 0.9 | 11.3 0.5 | 1459 | SSE | 152 | 0.00 | 0.01 | 0.025 0.005 | 0 0 | 70 10 |
| Carneros (Milton Rd) | 9/8/26 | 96.2 6.4 | 1642 | 47.2 1.8 | 0626 | 46.8 2.0 | 88 5 | 14 2 | - | - | - | - | 0.00 | 0.00 | - | - | 80 10 |
| Max | 101.4 | - | 66.8 | - | 51.8 | 100 | 18 | 3.3 | 22.3 | - | - | 0.00 | 0.45 | 0.244 | 829 | - | |
| Avg | - | - | - | - | 45.5 | - | - | 2.0 | - | - | - | - | - | - | - | - | |
| Min | 88.9 | - | 43.2 | - | 40.1 | 45 | 0 | 0.9 | 10.7 | - | - | 0.00 | 0.00 | 0.025 | 0 | - |