| 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) | 9/11/26 | 94.1 7.8 | 1526 | 44.2 11.3 | 0632 | 46.0 0.6 | 90 9 | 13 1 | 1.7 1.1 | 13.6 5.0 | 1605 | WSW | 242 | 0.00 | 0.03 | 0.175 0.036 | 486 32 | 10 10 |
| Dollarhide Base | 9/11/26 | 95.1 10.3 | 1553 | 54.6 9.8 | 0712 | 51.0 1.4 | 80 10 | 22 6 | 3.2 1.0 | 19.1 0.9 | 1606 | SSW | 210 | 0.00 | 0.00 | 0.200 0.041 | 502 49 | 0 0 |
| Dollarhide 1AS Remote | 9/11/26 | 96.7 8.6 | 1458 | 46.7 12.8 | 0626 | 49.5 0.7 | 82 7 | 22 7 | 2.6 0.5 | 17.8 0.7 | 1603 | WSW | 240 | - | - | - | - | 0 10 |
| Dollarhide 16A Remote | 9/11/26 | 92.5 12.6 | 1542 | 53.3 9.7 | 0656 | 51.4 1.2 | 80 6 | 24 8 | - | - | - | - | - | - | - | - | 0 0 |
| Dollarhide 18A Remote | 9/11/26 | 93.0 10.9 | 1543 | 44.0 13.0 | 0652 | 49.0 0.1 | 86 6 | 22 7 | - | - | - | - | - | - | - | - | 10 10 |
| Hardin Rd (Eakle) | 9/11/26 | 94.3 8.0 | 1524 | 49.6 10.8 | 0649 | - | - | - | - | - | - | - | - | - | - | - | 10 10 |
| Angwin | 9/11/26 | 83.4 11.6 | 1455 | 68.9 2.9 | 0058 | 35.7 2.4 | 50 22 | 6 6 | 3.0 0.2 | 12.1 2.9 | 1442 | SE | 146 | 0.00 | 0.30 | 0.071 0.011 | 0 0 | 100 0 |
| Lower Angwin (Pioneer) | 9/11/26 | 85.1 11.3 | 1617 | 44.4 15.3 | 0630 | - | - | - | 1.9 0.3 | 14.6 0.2 | 1607 | WNW | 287 | - | - | - | - | 100 10 |
| Las Posadas (Cal Fire) | 9/11/26 | 87.3 11.9 | 1544 | 50.5 14.6 | 0655 | 50.6 8.2 | 93 43 | 28 18 | 9.4 2.1 | 23.2 0.4 | 1521 | SW | 220 | 0.00 | 0.23 | 0.218 0.082 | 487 7 | - |
| Deer Park | 9/11/26 | 90.2 12.6 | 1518 | 51.9 9.8 | 0605 | 52.3 9.8 | 95 30 | 27 16 | 2.8 0.7 | 12.1 5.3 | 1602 | SSE | 162 | 0.00 | 0.04 | 0.141 0.068 | 367 1 | 70 10 |
| Lower Chiles Valley (Brown) | 9/11/26 | 89.2 12.3 | 1551 | 52.9 7.3 | 0740 | 52.0 8.7 | 92 26 | 25 14 | 4.1 1.2 | 16.6 2.1 | 1538 | NW | 309 | 0.00 | 0.14 | 0.183 0.048 | 542 7 | 10 10 |
| Moss Creek Vineyard/Reservior | 9/11/26 | 96.5 8.2 | 1425 | 54.1 10.4 | 0654 | 46.5 3.3 | 79 16 | 10 1 | - | - | - | - | 0.00 | 0.04 | - | - | 10 10 |
| Max | 96.7 | - | 68.9 | - | 52.3 | 95 | 28 | 9.4 | 23.2 | - | - | 0.00 | 0.30 | 0.218 | 542 | - | |
| Avg | - | - | - | - | 48.4 | - | - | 3.6 | - | - | - | - | - | - | - | - | |
| Min | 83.4 | - | 44.0 | - | 35.7 | 50 | 6 | 1.7 | 12.1 | - | - | 0.00 | 0.00 | 0.071 | 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 | 9/11/26 | 91.6 12.4 | 1522 | 53.4 5.7 | 0321 | 54.6 5.0 | 94 22 | 29 16 | - | - | - | - | 0.00 | 0.09 | - | - | 30 10 |
| Diamond Mtn (Schramsberg) | 9/11/26 | 90.3 12.0 | 1508 | 50.2 12.9 | 0650 | 51.1 10.5 | 92 34 | 24 13 | - | - | - | - | 0.00 | 0.13 | - | - | 70 10 |
| Diamond Mtn (McEachran) | 9/11/26 | 89.9 10.6 | 1451 | 51.6 10.6 | 0652 | 52.2 9.8 | 92 32 | 25 14 | - | - | - | - | - | - | - | - | 50 10 |
| St. Helena-North | 9/11/26 | 91.1 12.5 | 1527 | 51.6 9.3 | 0641 | 50.9 8.8 | 86 24 | 25 17 | 2.6 | 12.5 2.6 | 1542 | SE | 144 | 0.00 | 0.11 | 0.167 0.016 | 454 3 | 30 10 |
| St. Helena (NVV Office) | 9/11/26 | 88.9 16.5 | 1501 | 53.8 9.2 | 0653 | - | - | - | 1.2 | 8.9 3.5 | 1625 | E | 82 | 0.00 | 0.04 | - | - | 0 10 |
| Tiara Fria (East St. Helena) | 9/11/26 | 86.8 16.9 | 1456 | 50.1 10.5 | 0608 | 52.2 5.0 | 90 19 | 33 22 | 1.9 | 11.2 4.0 | 1652 | SE | 130 | 0.00 | 0.02 | - | - | 30 10 |
| Prisoner Winery | 9/11/26 | 89.7 15.5 | 1507 | 49.5 7.9 | 0700 | 53.1 6.4 | 96 14 | 31 21 | 1.1 | 7.5 8.5 | 1615 | ESE | 119 | 0.00 | 0.06 | 0.024 0.045 | 3 3 | 0 0 |
| Rutherford Hill Estate | 9/11/26 | 88.2 18.2 | 1448 | 53.1 6.7 | 0615 | 54.0 8.5 | 93 20 | 32 21 | 1.4 | 13.8 2.0 | 1553 | SW | 220 | 0.00 | 0.08 | 0.142 0.031 | 444 28 | 50 10 |
| Rutherford-North (Mee Ln) | 9/11/26 | 86.0 16.9 | 1445 | 45.6 11.9 | 0629 | 52.3 2.5 | 94 11 | 35 22 | 2.5 | 16.2 1.1 | 1556 | SE | 140 | 0.00 | 0.06 | 0.155 0.044 | 448 15 | 60 20 |
| Rutherford (STS) | 9/11/26 | 88.3 17.3 | 1425 | 46.3 10.1 | 0646 | 54.8 2.7 | 92 7 | 38 23 | 1.8 | 12.9 5.8 | 1608 | ESE | 120 | 0.00 | 0.05 | 0.166 0.048 | 512 19 | 50 10 |
| Oakville-NE (Ranch 88) | 9/11/26 | 86.7 16.8 | 1425 | 45.9 10.9 | 0621 | 50.3 3.4 | 85 11 | 32 21 | 1.8 | 15.2 0.3 | 1552 | SSW | 198 | 0.00 | 0.04 | 0.153 0.027 | 439 7 | 100 20 |
| OV561-East | 9/11/26 | 86.5 17.0 | 1600 | 48.3 11.0 | 0701 | - | - | - | - | - | - | - | - | - | - | - | 30 10 |
| Oakville | 9/11/26 | 82.4 20.7 | 1343 | 46.8 12.2 | 0656 | 52.1 3.1 | 90 15 | 37 25 | 3.0 | 18.7 2.8 | 1611 | ESE | 114 | 0.00 | 0.03 | 0.167 0.051 | 497 6 | 80 20 |
| OV518-West | 9/11/26 | 82.6 18.3 | 1421 | 48.1 10.8 | 0643 | - | - | - | - | - | - | - | - | - | - | - | 80 20 |
| To Kalon Remote (TKKE) | 9/11/26 | 85.6 19.5 | 1456 | 48.4 8.2 | 0623 | - | - | - | - | - | - | - | - | - | - | - | 80 20 |
| To Kalon | 9/11/26 | 83.4 20.4 | 1421 | 48.6 8.8 | 0613 | 53.6 5.1 | 92 15 | 39 26 | 2.9 | 17.0 4.2 | 1532 | SE | 137 | 0.00 | 0.00 | 0.162 0.044 | 479 30 | 80 20 |
| To Kalon Remote (TKN5) | 9/11/26 | 86.2 17.3 | 1414 | 48.4 9.8 | 0648 | - | - | - | - | - | - | - | - | - | - | - | 80 20 |
| Yountville (Ranch 67) | 9/11/26 | 81.3 20.8 | 1350 | 47.4 12.7 | 0635 | 51.8 3.6 | 90 17 | 37 26 | 3.1 | 18.3 3.4 | 1743 | SSE | 157 | 0.00 | 0.05 | 0.168 0.034 | 542 51 | 80 20 |
| Stags Leap Dist (Silverado Vineyards) | 9/11/26 | 81.0 22.6 | 1508 | 48.6 10.4 | 0531 | 52.3 4.1 | 94 17 | 39 28 | 2.7 | 16.4 2.9 | 1735 | SSE | 164 | 0.00 | 0.07 | 0.163 0.021 | 490 16 | 60 10 |
| Borreo (Soda Canyon) | 9/11/26 | 80.5 20.2 | 1426 | 46.9 8.3 | 0658 | 51.4 5.2 | 95 18 | 38 27 | 1.7 | 9.8 2.8 | 1545 | SSE | 167 | 0.00 | 0.31 | 0.139 0.034 | 459 27 | 50 10 |
| Wappo Hill Floor | 9/11/26 | 82.1 21.4 | 1453 | 47.6 12.7 | 0638 | 53.4 3.4 | 100 24 | 39 27 | 2.6 | 13.7 2.1 | 1455 | SE | 126 | 0.00 | 0.10 | 0.164 0.036 | 508 49 | 80 20 |
| Stags Leap Dist (Chimney Rock) | 9/11/26 | 80.7 23.0 | 1410 | 48.7 11.4 | 0510 | 54.9 0.1 | 98 14 | 48 28 | 2.3 | 13.9 0.3 | 1603 | SE | 134 | 0.00 | 0.10 | 0.145 0.037 | 462 29 | 80 20 |
| Yountville-South (Ranch 87) | 9/11/26 | 83.5 19.6 | 1513 | 48.9 10.5 | 0558 | 53.8 2.2 | 98 18 | 41 29 | 1.5 | 10.6 2.3 | 1529 | SSE | 158 | 0.00 | 0.09 | 0.144 0.016 | 448 55 | 80 20 |
| Yountville-SE (Ranch 85) | 9/11/26 | 80.6 22.1 | 1437 | 48.8 11.7 | 0620 | 54.5 2.8 | 96 19 | 44 31 | 2.4 | 13.7 0.6 | 1441 | S | 183 | 0.00 | 0.08 | - | 0 0 | 80 20 |
| Oak Knoll-East (Ranch 53) | 9/11/26 | 79.7 23.9 | 1437 | 49.6 9.5 | 0557 | 53.6 4.1 | 91 15 | 41 31 | 2.1 | 13.3 0.9 | 1442 | SE | 135 | 0.00 | 0.15 | 0.163 0.039 | 531 18 | 80 20 |
| Napa-NW (Ranch 54) | 9/11/26 | 82.5 20.8 | 1417 | 50.3 5.8 | 0551 | 53.2 4.7 | 90 14 | 38 28 | 0.7 | 10.4 3.8 | 1155 | ESE | 116 | 0.00 | 0.18 | - | 0 0 | 80 20 |
| Napa-North (Ranch 29) | 9/11/26 | 79.2 19.1 | 1459 | 53.8 6.2 | 0455 | 55.1 3.5 | 100 23 | 46 34 | 1.4 | 12.1 3.9 | 1532 | S | 178 | 0.00 | 0.10 | 0.108 0.041 | 334 16 | 80 20 |
| Max | 91.6 | - | 53.8 | - | 55.1 | 100 | 48 | 3.1 | 18.7 | - | - | 0.00 | 0.31 | 0.168 | 542 | - | |
| Avg | - | - | - | - | 53.0 | - | - | 2.0 | - | - | - | - | - | - | - | - | |
| Min | 79.2 | - | 45.6 | - | 50.3 | 85 | 24 | 0.7 | 7.5 | - | - | 0.00 | 0.00 | 0.024 | 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 | 9/11/26 | 87.8 9.3 | 1529 | 57.0 12.7 | 0642 | 48.8 10.3 | 74 46 | 20 8 | 1.5 | 7.7 2.5 | 1152 | S | 170 | 0.00 | 0.45 | 0.144 0.163 | 491 565 | 100 10 |
| Mount George (Napa East) | 9/11/26 | 78.5 17.3 | 1650 | 50.1 4.6 | 0456 | 52.8 4.6 | 94 17 | 46 31 | 1.7 | 9.9 5.1 | 1102 | ESE | 112 | 0.00 | 0.16 | 0.148 0.041 | 505 25 | 40 20 |
| Napa-East (Palmaz 300') | 9/11/26 | 84.0 17.0 | 1635 | 51.6 4.5 | 0505 | 53.7 5.3 | 100 21 | 38 25 | 2.0 | 9.6 6.4 | 1513 | WSW | 245 | 0.00 | 0.16 | 0.142 0.042 | 447 40 | 80 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') | 9/11/26 | 77.8 18.1 | 1358 | 51.9 7.9 | 0709 | 52.5 8.5 | 96 30 | 46 30 | 3.8 | 13.0 1.4 | 1432 | SW | 222 | 0.00 | 0.33 | 0.151 0.058 | 517 0 | 80 20 |
| Wooden Valley | 9/11/26 | 82.4 16.0 | 1407 | 56.9 5.7 | 0725 | 49.7 7.3 | 75 15 | 34 24 | 4.9 | 15.7 1.3 | 1219 | SW | 233 | 0.00 | 0.04 | 0.194 0.010 | 534 50 | 30 20 |
| Napa-West Upper (Truchard) | 9/11/26 | 79.1 23.3 | 1727 | 49.5 6.1 | 0644 | 30.7 17.6 | 100 10 | 0 6 | 2.6 | 15.8 4.1 | 1426 | S | 188 | 0.00 | 0.10 | 0.540 0.053 | - | 100 20 |
| Napa-West Lower (Truchard) | 9/11/26 | 79.2 22.9 | 1723 | 43.4 7.2 | 0641 | 50.2 2.4 | 94 11 | 42 35 | - | - | - | - | - | - | - | - | 80 20 |
| Napa-South (Toyon Farms) | 9/11/26 | 77.6 21.6 | 1617 | 51.1 5.8 | 0700 | 55.7 1.0 | 99 9 | 52 38 | 3.5 | 14.8 2.4 | 1428 | S | 170 | 0.00 | 0.07 | 0.087 0.061 | 255 12 | 100 20 |
| Toyon Remote 1 | 9/11/26 | 76.9 26.2 | 1507 | 45.7 9.6 | 0643 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 2 | 9/11/26 | 77.5 20.8 | 1729 | 47.3 9.3 | 0654 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 3 | 9/11/26 | 79.6 23.4 | 1735 | 46.3 8.0 | 0654 | - | - | - | - | - | - | - | - | - | - | - | - |
| Dealy Lane (Ranch 80) | 9/11/26 | 79.4 21.6 | 1321 | 48.4 7.1 | 0716 | 52.8 4.9 | 94 9 | 42 36 | 2.5 | 16.5 3.7 | 1356 | SE | 126 | 0.00 | 0.08 | 0.153 0.058 | 504 22 | 80 20 |
| Carneros (Saintsbury) | 9/11/26 | 77.6 21.3 | 1710 | 48.9 7.1 | 0654 | 53.3 3.3 | 100 12 | 45 35 | 5.2 | 17.2 5.4 | 1523 | SSE | 157 | 0.00 | 0.08 | - | - | 60 20 |
| Suscol Lower (Ranch 35) | 9/11/26 | 77.1 18.3 | 1520 | 53.5 3.2 | 0458 | 54.6 3.4 | 100 15 | 50 33 | 4.4 | 15.3 4.5 | 1540 | SSW | 205 | 0.00 | 0.15 | 0.138 0.083 | 431 56 | 80 20 |
| Suscol Mtn (Ranch 93) | 9/11/26 | 79.3 17.4 | 1458 | 52.3 4.9 | 0629 | 54.9 7.1 | 100 14 | 51 35 | 5.0 | 15.6 5.3 | 1531 | NW | 317 | 0.00 | 0.33 | - | - | 100 0 |
| Suscol Upper (Ranch 92) | 9/11/26 | 75.9 17.3 | 1439 | 53.0 4.7 | 0507 | 18.9 30.1 | 100 12 | 0 15 | 2.8 | 13.7 5.0 | 1741 | SSW | 202 | 0.00 | 0.15 | - | - | 20 10 |
| Stanly (Ranch 45) | 9/11/26 | 76.1 18.4 | 1455 | 52.9 1.3 | 0345 | 54.3 1.3 | 92 6 | 52 39 | 4.9 | 16.2 0.9 | 1713 | S | 172 | 0.00 | 0.15 | 0.146 0.072 | 458 30 | 80 20 |
| Carneros Upper (Ranch 81) | 9/11/26 | 79.3 18.7 | 1615 | 54.2 2.0 | 0628 | 49.4 2.9 | - | - | 9.4 | 23.4 9.8 | 1717 | WSW | 246 | - | - | - | - | 60 20 |
| Carneros (Mitsuko) | 9/11/26 | 78.5 21.3 | 1705 | 51.2 6.1 | 0101 | - | - | - | - | - | - | - | - | - | - | - | 80 20 |
| Carneros Lower (Ranch 81) | 9/11/26 | 83.6 20.1 | 1636 | 54.1 3.1 | 0600 | 54.7 3.7 | 94 5 | 38 28 | - | 13.2 0.2 | 1445 | SSE | 164 | 0.00 | 0.01 | 0.016 0.012 | 0 0 | 70 20 |
| Carneros (Milton Rd) | 9/11/26 | 78.8 14.0 | 1722 | 50.4 4.1 | 0045 | 54.1 2.2 | 92 6 | 42 27 | - | - | - | - | 0.00 | 0.00 | - | - | 80 20 |
| Max | 87.8 | - | 57.0 | - | 55.7 | 100 | 52 | 9.4 | 23.4 | - | - | 0.00 | 0.45 | 0.540 | 534 | - | |
| Avg | - | - | - | - | 49.5 | - | - | 3.9 | - | - | - | - | - | - | - | - | |
| Min | 75.9 | - | 43.4 | - | 18.9 | 74 | 0 | 1.5 | 7.7 | - | - | 0.00 | 0.00 | 0.016 | 0 | - |