| 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 | 9/24/26 | 86.1 1.5 | 1321 | 54.5 1.6 | 0604 | - | - | - | - | - | - | - | 0.00 | 0.82 | - | - | 100 10 |
| Pope Valley (Weeks Lake) | 9/24/26 | 91.8 2.0 | 1431 | 43.5 0.6 | 0703 | 47.0 0.9 | 100 0 | 17 2 | 1.4 0.3 | 12.3 1.5 | 1345 | SW | 234 | 0.00 | 0.03 | 0.143 0.004 | 386 57 | 40 10 |
| Dollarhide Base | 9/24/26 | 96.2 0.4 | 1443 | 50.9 0.8 | 0711 | 50.7 2.4 | 97 2 | 20 1 | 2.6 0.6 | 14.2 2.1 | 1616 | WSW | 240 | 0.00 | 0.00 | 0.174 0.002 | 406 67 | 30 10 |
| Dollarhide 1AS Remote | 9/24/26 | 95.7 0.7 | 1425 | 44.1 1.0 | 0706 | 47.8 1.6 | 90 2 | 20 1 | 1.9 0.6 | 15.4 3.3 | 1625 | WSW | 237 | - | - | - | - | 30 10 |
| Dollarhide 16A Remote | 9/24/26 | 94.1 1.0 | 1237 | 49.8 1.0 | 0644 | 50.9 1.9 | 97 2 | 22 1 | - | - | - | - | - | - | - | - | 60 10 |
| Dollarhide 18A Remote | 9/24/26 | 93.6 2.6 | 1409 | 42.4 1.0 | 0648 | 47.7 1.2 | 95 1 | 20 0 | - | - | - | - | - | - | - | - | 40 10 |
| Hardin Rd (Eakle) | 9/24/26 | 93.6 0.3 | 1440 | 46.7 0.8 | 0711 | - | - | - | - | - | - | - | - | - | - | - | 40 10 |
| Angwin | 9/24/26 | 85.8 0.4 | 1420 | 62.6 1.1 | 2348 | 42.9 5.2 | 48 16 | 19 2 | 2.5 1.2 | 14.3 1.0 | 0006 | W | 274 | 0.00 | 0.30 | 0.058 0.000 | 0 0 | 100 0 |
| Lower Angwin (Pioneer) | 9/24/26 | 86.5 1.1 | 1438 | 47.6 3.8 | 0622 | - | - | - | 1.6 0.7 | 9.9 0.7 | 1423 | W | 275 | - | - | - | - | 80 10 |
| Las Posadas (Cal Fire) | 9/24/26 | 88.9 1.7 | 1427 | 60.1 10.4 | 0712 | 47.6 3.4 | 67 31 | 18 2 | 5.7 1.7 | 20.2 3.9 | 2347 | W | 263 | 0.00 | 0.23 | 0.203 0.026 | 397 46 | - |
| Deer Park | 9/24/26 | 93.4 0.3 | 1520 | 60.1 7.9 | 0721 | 47.7 4.2 | 68 30 | 15 5 | 2.6 0.2 | 14.1 2.0 | 0045 | NNW | 344 | 0.00 | 0.04 | 0.141 0.005 | 308 24 | 30 10 |
| Lower Chiles Valley (Brown) | 9/24/26 | 92.3 0.1 | 1525 | 45.4 2.4 | 0640 | 46.6 2.6 | 100 0 | 14 1 | 2.2 0.7 | 16.3 5.2 | 2359 | WNW | 295 | 0.00 | 0.14 | 0.166 0.002 | 438 56 | 0 10 |
| Moss Creek Vineyard/Reservior | 9/24/26 | 95.6 1.5 | 1542 | 51.2 2.9 | 0715 | 47.6 3.9 | 94 3 | 10 10 | - | - | - | - | 0.00 | 0.04 | - | - | 10 10 |
| Max | 96.2 | - | 62.6 | - | 50.9 | 100 | 22 | 5.7 | 20.2 | - | - | 0.00 | 0.82 | 0.203 | 438 | - | |
| Avg | - | - | - | - | 47.6 | - | - | 2.6 | - | - | - | - | - | - | - | - | |
| Min | 85.8 | - | 42.4 | - | 42.9 | 48 | 10 | 1.4 | 9.9 | - | - | 0.00 | 0.00 | 0.058 | 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 | 9/24/26 | 94.6 1.0 | 1344 | 49.8 4.3 | 0647 | 50.5 4.6 | 94 3 | 21 2 | - | - | - | - | 0.00 | 0.09 | - | - | 50 10 |
| Diamond Mtn (Schramsberg) | 9/24/26 | 92.6 0.5 | 1423 | 63.1 12.3 | 0059 | 46.1 5.0 | 60 40 | 16 4 | - | - | - | - | 0.00 | 0.13 | - | - | 100 20 |
| Diamond Mtn (McEachran) | 9/24/26 | 93.5 1.2 | 1415 | 59.4 6.8 | 0717 | 47.8 3.8 | 71 26 | 16 3 | - | - | - | - | - | - | - | - | 70 10 |
| St. Helena-North | 9/24/26 | 94.3 0.8 | 1420 | 51.1 3.9 | 0705 | 45.9 4.6 | 85 4 | 9 8 | 1.7 | 12.3 1.3 | 1457 | SSE | 168 | 0.00 | 0.11 | 0.138 0.011 | 377 34 | 20 10 |
| St. Helena (NVV Office) | 9/24/26 | 94.9 2.0 | 1509 | 51.0 5.0 | 0645 | - | - | - | 1.1 | 10.4 1.9 | 1716 | W | 268 | 0.00 | 0.04 | - | - | 30 10 |
| Tiara Fria (East St. Helena) | 9/24/26 | 93.2 0.2 | 1516 | 49.1 6.5 | 0712 | 49.0 4.4 | 91 3 | 17 4 | 1.7 | 11.2 3.2 | 1614 | WNW | 287 | 0.00 | 0.02 | - | - | 0 0 |
| Prisoner Winery | 9/24/26 | 96.2 0.1 | 1457 | 49.3 6.1 | 0531 | 49.4 4.2 | 94 2 | 16 4 | 1.2 | 9.6 3.0 | 1457 | SW | 229 | 0.00 | 0.06 | 0.031 0.008 | 0 0 | 0 10 |
| Rutherford Hill Estate | 9/24/26 | 96.3 1.7 | 1536 | 58.4 4.2 | 0708 | 50.4 3.2 | 78 22 | 17 3 | 1.3 | 11.0 1.5 | 1631 | SSE | 160 | 0.00 | 0.08 | 0.131 0.005 | 358 53 | 0 10 |
| Rutherford-North (Mee Ln) | 9/24/26 | 95.4 1.4 | 1514 | 48.4 5.0 | 0627 | 49.3 3.9 | 92 2 | 18 5 | 2.3 | 13.2 1.3 | 1354 | ESE | 123 | 0.00 | 0.06 | 0.155 0.004 | 379 43 | 30 10 |
| Rutherford (STS) | 9/24/26 | 97.0 1.0 | 1512 | 46.5 7.5 | 0654 | 52.2 4.0 | 92 1 | 22 5 | 1.7 | 12.1 0.3 | 1450 | ENE | 69 | 0.00 | 0.05 | 0.157 0.002 | 434 40 | 60 10 |
| Oakville-NE (Ranch 88) | 9/24/26 | 95.2 0.7 | 1500 | 45.7 7.3 | 0659 | 46.9 4.9 | 86 10 | 17 3 | 1.8 | 13.3 2.1 | 1616 | SSE | 154 | 0.00 | 0.04 | 0.151 0.010 | 376 26 | 100 10 |
| OV561-East | 9/24/26 | 94.5 2.5 | 1510 | 48.5 6.5 | 0730 | - | - | - | - | - | - | - | - | - | - | - | 0 0 |
| Oakville | 9/24/26 | 91.7 0.2 | 1444 | 46.9 6.6 | 0658 | 48.9 4.5 | 91 4 | 21 4 | 2.8 | 14.9 2.9 | 1535 | SE | 133 | 0.00 | 0.03 | 0.170 0.015 | 416 33 | 40 10 |
| OV518-West | 9/24/26 | 92.1 1.4 | 1510 | 48.2 7.3 | 0641 | - | - | - | - | - | - | - | - | - | - | - | 50 10 |
| To Kalon Remote (TKKE) | 9/24/26 | 96.7 1.2 | 1520 | 48.2 6.4 | 0552 | - | - | - | - | - | - | - | - | - | - | - | 30 10 |
| To Kalon | 9/24/26 | 94.9 1.6 | 1516 | 48.9 6.3 | 0637 | 49.9 3.8 | 94 3 | 20 4 | 2.4 | 14.5 4.3 | 1840 | SSE | 167 | 0.00 | 0.00 | 0.162 0.009 | 414 32 | 40 10 |
| To Kalon Remote (TKN5) | 9/24/26 | 95.5 0.7 | 1429 | 48.5 6.5 | 0555 | - | - | - | - | - | - | - | - | - | - | - | 60 10 |
| Yountville (Ranch 67) | 9/24/26 | 91.6 1.0 | 1445 | 46.5 7.2 | 0616 | 48.2 4.6 | 91 2 | 21 4 | 2.8 | 15.9 4.5 | 1531 | SE | 134 | 0.00 | 0.05 | 0.171 0.016 | 473 3 | 40 10 |
| Stags Leap Dist (Silverado Vineyards) | 9/24/26 | 91.6 0.4 | 1441 | 47.4 6.1 | 0649 | 48.3 4.3 | 93 1 | 20 4 | 2.4 | 14.6 4.2 | 1936 | ESE | 104 | 0.00 | 0.07 | 0.171 0.019 | 433 4 | 50 10 |
| Borreo (Soda Canyon) | 9/24/26 | 89.6 0.3 | 1451 | 51.5 2.2 | 0644 | 48.3 4.3 | 89 8 | 23 3 | 1.8 | 11.2 1.1 | 1531 | SSW | 200 | 0.00 | 0.31 | 0.149 0.006 | 429 18 | 60 10 |
| Wappo Hill Floor | 9/24/26 | 92.5 0.6 | 1427 | 47.2 6.9 | 0648 | 49.1 4.6 | 91 9 | 24 1 | 2.3 | 13.6 3.9 | 1625 | SE | 125 | 0.00 | 0.10 | 0.163 0.014 | 411 35 | 50 10 |
| Stags Leap Dist (Chimney Rock) | 9/24/26 | 91.5 0.5 | 1454 | 46.9 5.8 | 0707 | 52.2 4.3 | 99 4 | 32 1 | 2.3 | 14.5 5.2 | 1701 | S | 170 | 0.00 | 0.10 | 0.149 0.014 | 389 19 | 50 10 |
| Yountville-South (Ranch 87) | 9/24/26 | 92.7 1.0 | 1428 | 49.0 5.3 | 0527 | 50.9 4.0 | 100 0 | 24 1 | 1.5 | 12.8 4.3 | 1523 | SSE | 156 | 0.00 | 0.09 | 0.129 0.002 | 333 58 | 80 10 |
| Yountville-SE (Ranch 85) | 9/24/26 | 91.0 0.7 | 1436 | 48.5 6.6 | 0702 | 50.8 4.2 | 93 3 | 26 0 | 2.2 | 13.4 4.3 | 1656 | S | 178 | 0.00 | 0.08 | - | 0 0 | 50 10 |
| Oak Knoll-East (Ranch 53) | 9/24/26 | 91.0 1.8 | 1451 | 48.9 5.4 | 0642 | 49.7 3.9 | 91 1 | 24 0 | 1.5 | 14.0 5.2 | 1451 | S | 175 | 0.00 | 0.15 | 0.156 0.009 | 442 14 | 50 10 |
| Napa-NW (Ranch 54) | 9/24/26 | 91.6 1.6 | 1431 | 50.7 4.1 | 0646 | 49.7 3.8 | 90 3 | 23 2 | 0.6 | 8.5 2.0 | 1640 | SSW | 204 | 0.00 | 0.18 | - | 0 0 | 80 10 |
| Napa-North (Ranch 29) | 9/24/26 | 89.8 1.3 | 1500 | 48.8 6.0 | 0627 | 50.8 4.5 | 100 0 | 26 3 | 1.4 | 12.6 1.5 | 1600 | S | 186 | 0.00 | 0.10 | 0.101 0.005 | 232 55 | 50 10 |
| Max | 97.0 | - | 63.1 | - | 52.2 | 100 | 32 | 2.8 | 15.9 | - | - | 0.00 | 0.31 | 0.171 | 473 | - | |
| Avg | - | - | - | - | 49.3 | - | - | 1.9 | - | - | - | - | - | - | - | - | |
| Min | 89.6 | - | 45.7 | - | 45.9 | 60 | 9 | 0.6 | 8.5 | - | - | 0.00 | 0.00 | 0.031 | 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 | 9/24/26 | 87.5 1.4 | 1344 | 62.9 6.9 | 0059 | 45.5 5.0 | 49 39 | 17 8 | 1.8 | 12.1 1.8 | 1358 | S | 185 | 0.00 | 0.45 | 0.249 0.020 | 887 158 | 100 10 |
| Mount George (Napa East) | 9/24/26 | 89.6 29.0 | 1454 | 48.4 6.4 | 0716 | 49.1 8.3 | 95 5 | 22 6 | 1.3 | 10.8 1.1 | 1714 | SSW | 202 | 0.00 | 0.16 | 0.144 0.006 | 437 35 | 50 10 |
| Napa-East (Palmaz 300') | 9/24/26 | 94.6 1.2 | 1438 | 52.2 3.9 | 0713 | 50.2 4.0 | 94 0 | 19 6 | 1.6 | 11.0 2.0 | 1541 | WSW | 257 | 0.00 | 0.16 | 0.138 0.001 | 388 32 | 40 10 |
| Napa-East (Palmaz 1200') | 9/14/26 | 80.8 4.1 | 1344 | 47.1 4.1 | 0557 | 46.5 1.6 | 92 8 | 29 22 | 2.4 | 12.0 0.9 | 1614 | SW | 226 | - | - | 0.153 0.004 | 498 20 | 20 20 |
| Napa-East (Palmaz 1400') | 9/24/26 | 87.9 2.1 | 1347 | 53.7 5.1 | 0501 | 48.8 4.3 | 82 18 | 21 13 | 2.6 | 11.8 0.2 | 1347 | WSW | 237 | 0.00 | 0.33 | 0.155 0.003 | 435 39 | 50 10 |
| Wooden Valley | 9/24/26 | 89.9 0.5 | 1503 | 44.9 2.1 | 0658 | 45.4 3.7 | 96 1 | 14 8 | 2.2 | 13.2 3.4 | 2053 | WSW | 239 | 0.00 | 0.04 | 0.160 0.005 | 433 35 | 50 10 |
| Napa-West Upper (Truchard) | 9/24/26 | 91.9 2.0 | 1357 | 57.7 2.2 | 0059 | 51.4 11.0 | 100 0 | 23 23 | 2.4 | 14.8 2.4 | 1650 | SW | 229 | 0.00 | 0.10 | 0.585 0.011 | - | 40 10 |
| Napa-West Lower (Truchard) | 9/24/26 | 91.2 3.4 | 1354 | 47.8 3.6 | 0650 | 48.2 4.1 | 96 6 | 23 0 | - | - | - | - | - | - | - | - | 40 10 |
| Napa-South (Toyon Farms) | 9/24/26 | 90.2 2.4 | 1345 | 55.0 2.2 | 0633 | 54.6 2.8 | 96 1 | 30 3 | 3.6 | 14.6 4.0 | 1632 | S | 173 | 0.00 | 0.07 | 0.100 0.010 | 197 30 | 30 10 |
| Toyon Remote 1 | 9/24/26 | 89.5 1.7 | 1343 | 51.6 1.5 | 0417 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 2 | 9/24/26 | 89.0 2.6 | 1338 | 50.0 3.8 | 0440 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 3 | 9/24/26 | 89.2 2.7 | 1347 | 49.4 4.4 | 0634 | - | - | - | - | - | - | - | - | - | - | - | - |
| Dealy Lane (Ranch 80) | 9/24/26 | 89.4 3.1 | 1348 | 53.7 1.9 | 0721 | 49.8 3.4 | 91 3 | 22 2 | 2.4 | 12.9 3.7 | 1542 | SE | 135 | 0.00 | 0.08 | 0.153 0.012 | 435 12 | 50 10 |
| Carneros (Saintsbury) | 9/24/26 | 88.1 2.2 | 1343 | 51.7 1.7 | 0511 | 50.4 2.9 | 96 3 | 27 0 | 4.0 | 15.3 4.5 | 1835 | WSW | 237 | 0.00 | 0.08 | - | - | 30 10 |
| Suscol Lower (Ranch 35) | 9/24/26 | 90.1 0.1 | 1348 | 52.3 4.3 | 0616 | 50.4 3.0 | 92 0 | 24 3 | 3.9 | 15.6 4.6 | 1526 | SSW | 206 | 0.00 | 0.15 | 0.168 0.017 | 424 11 | 30 10 |
| Suscol Mtn (Ranch 93) | 9/24/26 | 91.3 1.0 | 1427 | 59.0 6.5 | 0039 | 49.8 3.6 | 63 37 | 23 5 | 3.2 | 15.7 3.7 | 1651 | NW | 314 | 0.00 | 0.40 | - | - | 20 10 |
| Suscol Upper (Ranch 92) | 9/24/26 | 88.7 0.5 | 1427 | 58.2 5.0 | 0053 | 49.9 35.8 | 68 32 | 23 23 | 2.2 | 14.6 4.3 | 1853 | S | 183 | 0.00 | 0.15 | - | - | 0 0 |
| Stanly (Ranch 45) | 9/24/26 | 86.7 2.1 | 1428 | 51.0 3.6 | 0311 | 51.3 3.4 | 92 2 | 31 1 | 4.1 | 16.0 5.0 | 1537 | S | 180 | 0.00 | 0.15 | 0.173 0.009 | 465 10 | 40 10 |
| Carneros Upper (Ranch 81) | 9/24/26 | 88.5 2.4 | 1343 | 59.9 4.5 | 0046 | 49.7 8.3 | - | - | 7.0 | 23.6 7.2 | 1738 | WSW | 248 | - | - | - | - | 30 10 |
| Carneros (Mitsuko) | 9/24/26 | 89.1 2.5 | 1334 | 47.2 2.8 | 0629 | - | - | - | - | - | - | - | - | - | - | - | 30 10 |
| Carneros Lower (Ranch 81) | 9/24/26 | 88.0 7.3 | 1301 | 51.7 3.9 | 0704 | 50.0 4.0 | 100 8 | 0 23 | 1.3 | 12.1 4.2 | 1435 | SSE | 153 | 0.00 | 0.01 | 0.067 0.048 | 118 106 | 30 10 |
| Carneros (Milton Rd) | 9/24/26 | 86.5 4.2 | 1326 | 49.7 3.2 | 0234 | 50.2 3.6 | 91 3 | 29 2 | - | - | - | - | 0.00 | 0.00 | - | - | 30 10 |
| Max | 94.6 | - | 62.9 | - | 54.6 | 100 | 31 | 7.0 | 23.6 | - | - | 0.00 | 0.45 | 0.585 | 887 | - | |
| Avg | - | - | - | - | 49.7 | - | - | 2.9 | - | - | - | - | - | - | - | - | |
| Min | 86.5 | - | 44.9 | - | 45.4 | 49 | 0 | 1.3 | 10.8 | - | - | 0.00 | 0.00 | 0.067 | 118 | - |