| 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 | 9/10/26 | 96.5 2.1 | 1544 | 62.8 3.4 | 2322 | - | - | - | - | - | - | - | 0.00 | 0.82 | - | - | 50 10 |
| Pope Valley (Weeks Lake) | 9/13/26 | 82.7 4.8 | 1622 | 37.4 8.1 | 0649 | 40.2 4.2 | 100 0 | 17 2 | 1.7 1.4 | 11.8 8.3 | 1915 | SSW | 196 | 0.00 | 0.03 | 0.154 0.040 | 485 2 | 20 20 |
| Dollarhide Base | 9/13/26 | 84.7 5.4 | 1628 | 45.2 9.1 | 0608 | 45.6 4.2 | 94 2 | 22 0 | 2.5 2.2 | 17.0 5.3 | 1809 | NE | 45 | 0.00 | 0.00 | 0.169 0.049 | 502 1 | 20 20 |
| Dollarhide 1AS Remote | 9/13/26 | 85.5 5.2 | 1449 | 38.2 9.1 | 0653 | 42.6 4.4 | 91 1 | 20 1 | 1.7 1.6 | 11.8 8.4 | 1240 | SE | 126 | - | - | - | - | 20 20 |
| Dollarhide 16A Remote | 9/13/26 | 84.1 6.7 | 1601 | 43.8 8.7 | 0708 | 45.6 3.8 | 95 2 | 23 0 | - | - | - | - | - | - | - | - | 20 20 |
| Dollarhide 18A Remote | 9/13/26 | 86.1 2.8 | 1711 | 36.2 8.8 | 0636 | 42.2 4.5 | 95 1 | 21 1 | - | - | - | - | - | - | - | - | 20 20 |
| Hardin Rd (Eakle) | 9/13/26 | 83.2 6.0 | 1548 | 41.3 8.4 | 0710 | - | - | - | - | - | - | - | - | - | - | - | 20 20 |
| Angwin | 9/13/26 | 74.6 3.0 | 1526 | 49.0 1.7 | 0502 | 39.4 2.2 | 75 2 | 26 6 | 2.6 0.2 | 13.6 4.1 | 1422 | SE | 141 | 0.00 | 0.30 | 0.041 0.014 | 0 0 | 90 10 |
| Lower Angwin (Pioneer) | 9/13/26 | 78.0 2.3 | 1641 | 33.5 11.3 | 0642 | - | - | - | 1.4 0.9 | 11.2 4.5 | 1333 | W | 266 | - | - | - | - | 100 0 |
| Las Posadas (Cal Fire) | 9/13/26 | 80.2 3.6 | 1636 | 46.2 7.1 | 0649 | 43.4 2.9 | 89 0 | 23 0 | 5.3 4.6 | 20.2 2.8 | 0123 | W | 260 | 0.00 | 0.23 | 0.170 0.051 | 488 1 | - |
| Deer Park | 9/13/26 | 83.5 4.3 | 1549 | 53.1 1.7 | 0612 | 44.8 3.4 | 78 11 | 19 0 | 4.2 0.3 | 13.2 8.9 | 1252 | NW | 326 | 0.00 | 0.04 | 0.146 0.021 | 365 1 | 80 20 |
| Lower Chiles Valley (Brown) | 9/13/26 | 81.4 2.9 | 1623 | 39.8 13.0 | 0628 | 42.3 5.5 | 97 4 | 20 3 | 2.2 2.4 | 12.1 6.0 | 1442 | SSW | 206 | 0.00 | 0.14 | 0.170 0.017 | 539 1 | 50 20 |
| Moss Creek Vineyard/Reservior | 9/13/26 | 84.9 2.6 | 1601 | 45.9 7.4 | 0721 | 43.5 3.1 | 91 7 | 16 1 | - | - | - | - | 0.00 | 0.04 | - | - | 20 20 |
| Max | 86.1 | - | 53.1 | - | 45.6 | 100 | 26 | 5.3 | 20.2 | - | - | 0.00 | 0.30 | 0.170 | 539 | - | |
| Avg | - | - | - | - | 43.0 | - | - | 2.7 | - | - | - | - | - | - | - | - | |
| Min | 74.6 | - | 33.5 | - | 39.4 | 75 | 16 | 1.4 | 11.2 | - | - | 0.00 | 0.00 | 0.041 | 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 | 9/13/26 | 84.6 4.1 | 1525 | 44.2 6.0 | 0647 | 47.0 3.0 | 95 2 | 25 0 | - | - | - | - | 0.00 | 0.09 | - | - | 40 20 |
| Diamond Mtn (Schramsberg) | 9/13/26 | 81.3 4.2 | 1513 | 49.6 4.7 | 0647 | 44.5 3.0 | 85 4 | 20 1 | - | - | - | - | 0.00 | 0.13 | - | - | 100 10 |
| Diamond Mtn (McEachran) | 9/13/26 | 83.1 1.6 | 1610 | 50.0 5.0 | 0622 | 45.3 2.9 | 86 0 | 21 1 | - | - | - | - | - | - | - | - | 90 20 |
| St. Helena-North | 9/13/26 | 84.8 3.9 | 1642 | 47.5 4.0 | 0646 | 43.1 3.1 | 84 3 | 15 1 | 1.5 | 10.3 4.6 | 1727 | SW | 216 | 0.00 | 0.11 | 0.147 0.014 | 460 3 | 40 20 |
| St. Helena (NVV Office) | 9/13/26 | 85.8 3.6 | 1637 | 50.8 0.9 | 0659 | - | - | - | 1.6 | 10.4 1.1 | 1359 | ENE | 76 | 0.00 | 0.04 | - | - | 20 20 |
| Tiara Fria (East St. Helena) | 9/13/26 | 84.7 3.9 | 1655 | 46.6 2.9 | 0614 | 45.0 2.6 | 86 2 | 19 3 | 2.4 | 18.8 2.3 | 1317 | WSW | 256 | 0.00 | 0.02 | - | - | 40 20 |
| Prisoner Winery | 9/13/26 | 86.6 3.2 | 1624 | 45.1 3.5 | 0642 | 45.2 3.1 | 92 5 | 17 4 | 2.1 | 12.9 3.0 | 0110 | NNW | 328 | 0.00 | 0.06 | 0.041 0.005 | 0 0 | 0 0 |
| Rutherford Hill Estate | 9/13/26 | 87.8 2.1 | 1537 | 49.9 4.2 | 0705 | 45.9 3.5 | 86 6 | 17 3 | 1.9 | 12.1 5.5 | 1810 | SSW | 192 | 0.00 | 0.08 | 0.145 0.008 | 438 1 | 30 10 |
| Rutherford-North (Mee Ln) | 9/13/26 | 86.7 1.8 | 1642 | 42.3 3.5 | 0653 | 45.2 2.6 | 94 1 | 18 4 | 2.7 | 16.2 2.4 | 1822 | SE | 129 | 0.00 | 0.06 | 0.159 0.019 | 470 0 | 70 20 |
| Rutherford (STS) | 9/13/26 | 87.1 2.4 | 1556 | 41.2 5.8 | 0700 | 48.0 2.7 | 92 1 | 25 2 | 1.8 | 11.8 8.0 | 1637 | WSW | 237 | 0.00 | 0.05 | 0.171 0.017 | 538 3 | 60 20 |
| Oakville-NE (Ranch 88) | 9/13/26 | 86.0 2.0 | 1550 | 41.1 5.0 | 0655 | 42.8 3.1 | 86 5 | 16 2 | 1.5 | 13.0 3.8 | 1811 | S | 185 | 0.00 | 0.04 | 0.150 0.016 | 461 3 | 100 0 |
| OV561-East | 9/13/26 | 88.5 2.0 | 1628 | 43.3 5.4 | 0706 | - | - | - | - | - | - | - | - | - | - | - | 10 10 |
| Oakville | 9/13/26 | 84.9 0.0 | 1636 | 42.4 4.8 | 0659 | 44.5 3.2 | 89 0 | 20 4 | 2.1 | 15.0 3.9 | 1818 | SE | 139 | 0.00 | 0.03 | 0.165 0.024 | 528 4 | 100 0 |
| OV518-West | 9/13/26 | 82.3 1.3 | 1720 | 43.0 4.8 | 0702 | - | - | - | - | - | - | - | - | - | - | - | 100 0 |
| To Kalon Remote (TKKE) | 9/13/26 | 85.7 2.8 | 1524 | 43.4 5.2 | 0651 | - | - | - | - | - | - | - | - | - | - | - | 90 20 |
| To Kalon | 9/13/26 | 84.2 2.7 | 1614 | 44.0 5.2 | 0646 | 46.1 3.2 | 95 0 | 23 1 | 2.1 | 11.8 6.4 | 1821 | SE | 125 | 0.00 | 0.00 | 0.164 0.016 | 516 2 | 90 20 |
| To Kalon Remote (TKN5) | 9/13/26 | 84.5 2.1 | 1542 | 43.7 5.2 | 0628 | - | - | - | - | - | - | - | - | - | - | - | 100 0 |
| Yountville (Ranch 67) | 9/13/26 | 82.0 4.3 | 1503 | 41.8 4.8 | 0632 | 43.8 3.3 | 90 1 | 18 3 | 2.4 | 14.8 3.1 | 1751 | ENE | 78 | 0.00 | 0.05 | 0.173 0.014 | 580 1 | 100 0 |
| Stags Leap Dist (Silverado Vineyards) | 9/13/26 | 82.9 4.5 | 1503 | 42.5 4.8 | 0530 | 44.2 3.5 | 92 1 | 18 3 | 1.7 | 12.1 4.7 | 1911 | SSE | 160 | 0.00 | 0.07 | 0.165 0.010 | 521 2 | 100 20 |
| Borreo (Soda Canyon) | 9/13/26 | 79.2 3.9 | 1359 | 43.5 5.4 | 0650 | 44.3 4.0 | 100 5 | 19 7 | 2.0 | 11.3 11.9 | 1729 | ESE | 119 | 0.00 | 0.31 | 0.153 0.004 | 485 2 | 90 20 |
| Wappo Hill Floor | 9/13/26 | 82.1 5.7 | 1404 | 41.6 5.1 | 0641 | 45.4 3.4 | 100 0 | 19 5 | 2.9 | 12.8 4.9 | 1510 | SSW | 199 | 0.00 | 0.10 | 0.171 0.015 | 506 2 | 90 20 |
| Stags Leap Dist (Chimney Rock) | 9/13/26 | 82.3 3.7 | 1439 | 40.9 5.4 | 0654 | 47.8 3.2 | 98 1 | 26 5 | 2.3 | 15.9 0.9 | 1449 | SSW | 213 | 0.00 | 0.10 | 0.156 0.008 | 477 0 | 100 0 |
| Yountville-South (Ranch 87) | 9/13/26 | 82.2 4.9 | 1424 | 42.1 5.6 | 0701 | 46.0 3.2 | 94 6 | 22 2 | 1.6 | 13.3 2.4 | 1455 | SSW | 208 | 0.00 | 0.09 | 0.144 0.013 | 429 12 | 60 10 |
| Yountville-SE (Ranch 85) | 9/13/26 | 82.5 3.9 | 1507 | 43.0 5.2 | 0629 | 46.3 3.6 | 94 1 | 21 5 | 2.1 | 11.3 5.4 | 1441 | SSW | 201 | 0.00 | 0.08 | - | 0 0 | 100 0 |
| Oak Knoll-East (Ranch 53) | 9/13/26 | 82.0 2.7 | 1412 | 43.6 5.4 | 0626 | 45.6 3.2 | 92 0 | 19 5 | 1.7 | 13.2 6.1 | 1456 | S | 189 | 0.00 | 0.15 | 0.172 0.012 | 551 0 | 100 0 |
| Napa-NW (Ranch 54) | 9/13/26 | 81.6 2.9 | 1550 | 43.5 6.1 | 0632 | 45.4 3.2 | 91 0 | 21 3 | 1.1 | 12.4 4.9 | 1608 | S | 191 | 0.00 | 0.18 | - | 0 0 | 100 0 |
| Napa-North (Ranch 29) | 9/13/26 | 81.6 0.8 | 1429 | 42.8 6.1 | 0658 | 47.0 3.5 | 100 0 | 22 8 | 1.5 | 13.3 4.7 | 1443 | S | 188 | 0.00 | 0.10 | 0.115 0.010 | 330 5 | 100 0 |
| Max | 88.5 | - | 50.8 | - | 48.0 | 100 | 26 | 2.9 | 18.8 | - | - | 0.00 | 0.31 | 0.173 | 580 | - | |
| Avg | - | - | - | - | 45.4 | - | - | 2.0 | - | - | - | - | - | - | - | - | |
| Min | 79.2 | - | 40.9 | - | 42.8 | 84 | 15 | 1.1 | 10.3 | - | - | 0.00 | 0.00 | 0.041 | 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 | 9/13/26 | 76.2 5.7 | 1452 | 50.4 2.9 | 0650 | 44.7 1.8 | 79 5 | 26 1 | 1.8 | 13.2 1.4 | 1546 | SE | 136 | 0.00 | 0.45 | 0.130 0.010 | 405 20 | 90 10 |
| Mount George (Napa East) | 9/13/26 | 83.0 4.1 | 0924 | 42.5 8.8 | 0625 | 45.9 4.2 | 96 0 | 22 10 | 1.4 | 12.3 2.0 | 1642 | SW | 228 | 0.00 | 0.16 | 0.161 0.003 | 535 10 | 80 20 |
| Napa-East (Palmaz 300') | 9/13/26 | 85.1 1.7 | 1332 | 46.1 5.2 | 0706 | 46.6 4.0 | 100 6 | 19 9 | 2.0 | 12.4 5.8 | 1556 | S | 190 | 0.00 | 0.16 | 0.157 0.005 | 484 5 | 100 0 |
| 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') | 9/13/26 | 78.1 0.4 | 1404 | 48.0 5.4 | 0519 | 46.4 4.0 | 91 9 | 24 12 | 2.7 | 14.1 5.7 | 1635 | SW | 230 | 0.00 | 0.33 | 0.155 0.001 | 517 7 | 90 10 |
| Wooden Valley | 9/13/26 | 80.3 1.1 | 1522 | 45.7 12.3 | 0703 | 43.7 4.1 | 89 12 | 20 10 | 2.9 | 15.2 4.6 | 1641 | SSW | 193 | 0.00 | 0.04 | 0.170 0.010 | 530 7 | 70 20 |
| Napa-West Upper (Truchard) | 9/13/26 | 82.0 1.0 | 1339 | 50.1 3.2 | 0721 | 47.8 2.4 | 89 11 | 23 22 | 2.6 | 17.6 6.0 | 1435 | W | 272 | 0.00 | 0.10 | 0.572 0.012 | - | 100 0 |
| Napa-West Lower (Truchard) | 9/13/26 | 83.3 0.4 | 1314 | 40.1 4.8 | 0655 | 44.9 2.8 | 94 2 | 22 1 | - | - | - | - | - | - | - | - | 100 0 |
| Napa-South (Toyon Farms) | 9/13/26 | 80.9 0.1 | 1412 | 48.8 3.6 | 0715 | 50.7 2.3 | 94 4 | 31 3 | 3.0 | 15.5 6.7 | 1613 | SW | 229 | 0.00 | 0.07 | 0.098 0.011 | 245 1 | 100 0 |
| Toyon Remote 1 | 9/13/26 | 84.0 1.1 | 1411 | 42.8 4.6 | 0643 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 2 | 9/13/26 | 80.7 0.8 | 1335 | 43.6 4.3 | 0649 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 3 | 9/13/26 | 83.6 1.4 | 1404 | 43.9 3.7 | 0615 | - | - | - | - | - | - | - | - | - | - | - | - |
| Dealy Lane (Ranch 80) | 9/13/26 | 80.3 1.4 | 1350 | 46.6 3.1 | 0439 | 47.0 2.1 | 92 2 | 27 4 | 2.4 | 16.2 3.2 | 1544 | WNW | 300 | 0.00 | 0.08 | 0.161 0.005 | 512 6 | 100 0 |
| Carneros (Saintsbury) | 9/13/26 | 80.0 0.7 | 1326 | 46.2 1.5 | 0651 | 47.4 2.2 | 90 10 | 26 4 | 3.8 | 19.7 3.8 | 1501 | SSW | 206 | 0.00 | 0.08 | - | - | 100 20 |
| Suscol Lower (Ranch 35) | 9/13/26 | 80.7 0.5 | 1327 | 45.3 7.4 | 0631 | 46.8 3.7 | 92 0 | 23 6 | 4.0 | 18.8 2.1 | 1426 | WSW | 246 | 0.00 | 0.15 | 0.169 0.013 | 494 4 | 100 0 |
| Suscol Mtn (Ranch 93) | 9/13/26 | 80.4 0.2 | 1351 | 51.1 3.5 | 0501 | 46.9 4.3 | 83 12 | 26 8 | 6.6 | 22.5 3.7 | 1413 | WNW | 298 | 0.00 | 0.33 | - | - | 100 0 |
| Suscol Upper (Ranch 92) | 9/13/26 | 77.0 0.2 | 1501 | 51.6 4.1 | 0529 | 47.1 3.9 | 86 7 | 26 9 | 3.6 | 20.9 4.5 | 1552 | SSW | 208 | 0.00 | 0.15 | - | - | 30 20 |
| Stanly (Ranch 45) | 9/13/26 | 81.2 1.5 | 1325 | 44.8 2.8 | 0710 | 47.4 2.6 | 91 4 | 24 5 | 3.1 | 15.7 5.9 | 1523 | WSW | 255 | 0.00 | 0.15 | 0.172 0.012 | 510 1 | 100 0 |
| Carneros Upper (Ranch 81) | 9/13/26 | 77.8 1.5 | 1440 | 52.2 3.3 | 0407 | 47.5 1.9 | - | - | 7.3 | 25.4 2.3 | 1534 | WSW | 252 | - | - | - | - | 100 20 |
| Carneros (Mitsuko) | 9/13/26 | 80.7 1.3 | 1418 | 41.5 4.2 | 0641 | - | - | - | - | - | - | - | - | - | - | - | 100 0 |
| Carneros Lower (Ranch 81) | 9/13/26 | 85.2 0.9 | 1442 | 44.6 5.1 | 0654 | 46.8 2.4 | 100 0 | 0 0 | 0.7 | 9.8 6.6 | 1341 | NW | 308 | 0.00 | 0.01 | 0.015 0.008 | 0 0 | 100 10 |
| Carneros (Milton Rd) | 9/13/26 | 81.0 1.3 | 1414 | 43.7 3.9 | 0638 | 46.6 2.7 | 90 3 | 26 2 | - | - | - | - | 0.00 | 0.00 | - | - | 100 0 |
| Max | 85.2 | - | 52.2 | - | 50.7 | 100 | 31 | 7.3 | 25.4 | - | - | 0.00 | 0.45 | 0.572 | 535 | - | |
| Avg | - | - | - | - | 46.7 | - | - | 3.2 | - | - | - | - | - | - | - | - | |
| Min | 76.2 | - | 40.1 | - | 43.7 | 79 | 0 | 0.7 | 9.8 | - | - | 0.00 | 0.00 | 0.015 | 0 | - |