| 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) | 9/14/26 | 89.2 6.5 | 1524 | 40.0 2.6 | 0613 | 42.0 1.7 | 100 0 | 12 5 | 1.5 0.2 | 11.6 0.2 | 1504 | W | 268 | 0.00 | 0.03 | 0.160 0.006 | 472 13 | 10 10 |
| Dollarhide Base | 9/14/26 | 91.9 7.2 | 1410 | 47.4 2.3 | 0545 | 46.2 0.6 | 95 1 | 16 5 | 2.8 0.3 | 15.9 1.2 | 1704 | SSW | 209 | 0.00 | 0.00 | 0.183 0.014 | 477 26 | 10 10 |
| Dollarhide 1AS Remote | 9/14/26 | 93.0 7.5 | 1410 | 39.0 0.8 | 0636 | 42.7 0.1 | 91 0 | 15 5 | 2.0 0.2 | 15.0 3.2 | 1516 | S | 175 | - | - | - | - | 10 10 |
| Dollarhide 16A Remote | 9/14/26 | 92.5 8.4 | 1411 | 45.8 2.1 | 0655 | 46.6 1.0 | 97 2 | 16 7 | - | - | - | - | - | - | - | - | 10 10 |
| Dollarhide 18A Remote | 9/14/26 | 90.8 4.7 | 1440 | 37.6 1.4 | 0658 | 42.3 0.2 | 95 0 | 16 5 | - | - | - | - | - | - | - | - | 10 10 |
| Hardin Rd (Eakle) | 9/14/26 | 90.3 7.1 | 1407 | 42.6 1.3 | 0701 | - | - | - | - | - | - | - | - | - | - | - | 10 10 |
| Angwin | 9/14/26 | 80.1 5.5 | 1410 | 60.0 11.0 | 0216 | 37.2 2.3 | 49 26 | 20 6 | 4.5 1.9 | 18.1 4.5 | 0545 | NNW | 335 | 0.00 | 0.30 | 0.077 0.036 | 0 0 | 100 10 |
| Lower Angwin (Pioneer) | 9/14/26 | 81.6 3.6 | 1434 | 41.8 8.3 | 0120 | - | - | - | 2.3 0.8 | 12.6 1.4 | 1229 | NNW | 330 | - | - | - | - | 100 0 |
| Las Posadas (Cal Fire) | 9/14/26 | 85.1 4.9 | 1340 | 52.2 6.0 | 0217 | 42.0 1.4 | 74 15 | 17 5 | 6.0 0.8 | 18.4 1.8 | 1553 | SSW | 208 | 0.00 | 0.23 | 0.205 0.035 | 456 32 | - |
| Deer Park | 9/14/26 | 88.2 4.7 | 1439 | 54.9 1.8 | 0548 | 44.8 0.1 | 76 2 | 16 4 | 2.6 1.6 | 12.1 1.1 | 1508 | WSW | 243 | 0.00 | 0.04 | 0.141 0.005 | 342 23 | 70 10 |
| Lower Chiles Valley (Brown) | 9/14/26 | 86.9 5.5 | 1345 | 42.1 2.3 | 0335 | 40.8 1.5 | 97 0 | 16 4 | 1.9 0.3 | 13.9 1.8 | 1740 | WNW | 294 | 0.00 | 0.14 | 0.173 0.003 | 497 43 | 40 10 |
| Moss Creek Vineyard/Reservior | 9/14/26 | 89.1 4.2 | 1625 | 45.5 0.5 | 0529 | 43.8 0.3 | 96 4 | 15 1 | - | - | - | - | 0.00 | 0.04 | - | - | 10 10 |
| Max | 93.0 | - | 60.0 | - | 46.6 | 100 | 20 | 6.0 | 18.4 | - | - | 0.00 | 0.30 | 0.205 | 497 | - | |
| Avg | - | - | - | - | 42.8 | - | - | 2.9 | - | - | - | - | - | - | - | - | |
| Min | 80.1 | - | 37.6 | - | 37.2 | 49 | 12 | 1.5 | 11.6 | - | - | 0.00 | 0.00 | 0.077 | 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 | 9/14/26 | 90.4 5.8 | 1240 | 47.4 3.3 | 0711 | 47.7 0.6 | 94 1 | 21 4 | - | - | - | - | 0.00 | 0.09 | - | - | 30 10 |
| Diamond Mtn (Schramsberg) | 9/14/26 | 87.1 5.8 | 1330 | 54.0 4.4 | 0312 | 43.0 1.5 | 75 10 | 16 4 | - | - | - | - | 0.00 | 0.13 | - | - | 100 0 |
| Diamond Mtn (McEachran) | 9/14/26 | 87.8 4.7 | 1424 | 53.3 3.3 | 0645 | 44.2 1.0 | 76 10 | 15 5 | - | - | - | - | - | - | - | - | 80 10 |
| St. Helena-North | 9/14/26 | 90.6 5.8 | 1327 | 48.6 1.0 | 0631 | 42.7 0.5 | 83 2 | 12 4 | 1.8 | 11.4 1.1 | 1703 | NNW | 342 | 0.00 | 0.11 | 0.145 0.002 | 430 30 | 30 10 |
| St. Helena (NVV Office) | 9/14/26 | 90.5 4.7 | 1422 | 49.1 1.8 | 0638 | - | - | - | 1.1 | 10.3 0.0 | 1528 | WSW | 246 | 0.00 | 0.04 | - | - | 10 10 |
| Tiara Fria (East St. Helena) | 9/14/26 | 89.2 4.5 | 1424 | 45.5 1.0 | 0645 | 44.9 0.0 | 89 2 | 17 2 | 1.7 | 12.6 6.3 | 1611 | WNW | 283 | 0.00 | 0.02 | - | - | 30 10 |
| Prisoner Winery | 9/14/26 | 91.1 4.5 | 1403 | 46.1 1.0 | 0719 | 45.5 0.3 | 94 1 | 15 2 | 1.1 | 10.5 2.4 | 1643 | NNW | 333 | 0.00 | 0.06 | 0.029 0.012 | 0 0 | 0 0 |
| Rutherford Hill Estate | 9/14/26 | 91.1 3.3 | 1604 | 51.2 1.2 | 0702 | 47.1 1.2 | 86 0 | 16 2 | 1.5 | 10.1 2.0 | 1612 | W | 270 | 0.00 | 0.08 | 0.139 0.006 | 401 37 | 20 10 |
| Rutherford-North (Mee Ln) | 9/14/26 | 90.8 4.1 | 1357 | 42.2 0.1 | 0642 | 45.5 0.3 | 94 0 | 15 3 | 1.7 | 13.4 2.8 | 1506 | S | 185 | 0.00 | 0.06 | 0.150 0.009 | 429 41 | 60 10 |
| Rutherford (STS) | 9/14/26 | 92.2 5.1 | 1344 | 42.6 1.4 | 0627 | 48.4 0.4 | 93 0 | 20 5 | 1.6 | 12.9 1.1 | 1535 | NW | 314 | 0.00 | 0.05 | 0.169 0.002 | 500 38 | 50 10 |
| Oakville-NE (Ranch 88) | 9/14/26 | 91.3 5.3 | 1438 | 42.1 1.0 | 0636 | 43.4 0.5 | 87 1 | 14 2 | 1.2 | 10.6 2.4 | 1516 | NW | 313 | 0.00 | 0.04 | 0.146 0.004 | 436 25 | 100 0 |
| OV561-East | 9/14/26 | 89.5 1.0 | 1509 | 44.9 1.5 | 0628 | - | - | - | - | - | - | - | - | - | - | - | 0 10 |
| Oakville | 9/14/26 | 88.9 4.0 | 1402 | 42.6 0.2 | 0704 | 45.5 1.0 | 91 2 | 16 3 | 2.1 | 11.8 3.3 | 1704 | WSW | 251 | 0.00 | 0.03 | 0.169 0.004 | 499 30 | 90 10 |
| OV518-West | 9/14/26 | 87.6 5.3 | 1439 | 43.9 0.9 | 0615 | - | - | - | - | - | - | - | - | - | - | - | 90 10 |
| To Kalon Remote (TKKE) | 9/14/26 | 90.6 4.9 | 1347 | 45.1 1.7 | 0703 | - | - | - | - | - | - | - | - | - | - | - | 80 10 |
| To Kalon | 9/14/26 | 89.8 5.6 | 1440 | 44.6 0.6 | 0704 | 46.6 0.6 | 94 1 | 18 4 | 1.9 | 11.2 0.7 | 1606 | SSW | 212 | 0.00 | 0.00 | 0.163 0.001 | 487 29 | 80 10 |
| To Kalon Remote (TKN5) | 9/14/26 | 89.8 5.3 | 1402 | 44.6 0.9 | 0659 | - | - | - | - | - | - | - | - | - | - | - | 90 10 |
| Yountville (Ranch 67) | 9/14/26 | 86.9 4.9 | 1441 | 42.3 0.4 | 0653 | 46.0 2.2 | 91 0 | 16 2 | 2.5 | 13.7 1.1 | 1532 | S | 172 | 0.00 | 0.05 | 0.176 0.003 | 550 30 | 90 10 |
| Stags Leap Dist (Silverado Vineyards) | 9/14/26 | 88.3 5.4 | 1620 | 43.2 0.7 | 0635 | 46.6 2.5 | 94 1 | 19 1 | 2.1 | 12.5 0.4 | 1531 | SSE | 154 | 0.00 | 0.07 | 0.174 0.009 | 501 21 | 100 0 |
| Borreo (Soda Canyon) | 9/14/26 | 84.8 5.6 | 1500 | 44.6 1.0 | 0615 | 46.6 2.4 | 95 5 | 24 5 | 1.9 | 11.7 0.4 | 1503 | ESE | 116 | 0.00 | 0.31 | 0.157 0.004 | 479 6 | 100 10 |
| Wappo Hill Floor | 9/14/26 | 88.4 6.3 | 1511 | 43.1 1.4 | 0647 | 48.5 3.1 | 100 0 | 22 3 | 2.5 | 16.4 3.6 | 1647 | E | 95 | 0.00 | 0.10 | 0.173 0.002 | 484 22 | 80 10 |
| Stags Leap Dist (Chimney Rock) | 9/14/26 | 87.8 5.5 | 1453 | 42.7 1.8 | 0712 | 50.8 3.0 | 98 0 | 29 2 | 2.4 | 14.0 2.0 | 1627 | ESE | 103 | 0.00 | 0.10 | 0.157 0.001 | 457 20 | 90 10 |
| Yountville-South (Ranch 87) | 9/14/26 | 89.1 6.9 | 1443 | 44.0 1.9 | 0645 | 48.4 2.4 | 100 6 | 22 0 | 1.6 | 13.1 0.2 | 1710 | NE | 52 | 0.00 | 0.09 | 0.143 0.001 | 396 33 | 50 10 |
| Yountville-SE (Ranch 85) | 9/14/26 | 88.0 5.5 | 1444 | 44.3 1.3 | 0701 | 49.1 2.8 | 93 0 | 23 2 | 2.1 | 14.6 3.3 | 1659 | SE | 135 | 0.00 | 0.08 | - | 0 0 | 90 10 |
| Oak Knoll-East (Ranch 53) | 9/14/26 | 87.6 5.6 | 1623 | 44.0 0.4 | 0657 | 47.6 1.9 | 91 1 | 21 1 | 1.7 | 11.8 1.3 | 1544 | SSW | 202 | 0.00 | 0.15 | 0.175 0.003 | 528 23 | 90 10 |
| Napa-NW (Ranch 54) | 9/14/26 | 89.6 8.0 | 1524 | 44.6 1.2 | 0701 | 47.0 1.6 | 91 0 | 20 1 | 0.8 | 11.0 1.4 | 1734 | SW | 223 | 0.00 | 0.18 | - | 0 0 | 90 10 |
| Napa-North (Ranch 29) | 9/14/26 | 85.5 3.9 | 1433 | 44.7 1.8 | 0645 | 50.3 3.3 | 100 0 | 27 5 | 1.6 | 14.2 0.9 | 1448 | S | 186 | 0.00 | 0.10 | 0.114 0.001 | 302 28 | 100 0 |
| Max | 92.2 | - | 54.0 | - | 50.8 | 100 | 29 | 2.5 | 16.4 | - | - | 0.00 | 0.31 | 0.176 | 550 | - | |
| Avg | - | - | - | - | 46.6 | - | - | 1.7 | - | - | - | - | - | - | - | - | |
| Min | 84.8 | - | 42.1 | - | 42.7 | 75 | 12 | 0.8 | 10.1 | - | - | 0.00 | 0.00 | 0.029 | 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 | 9/14/26 | 81.7 5.5 | 1330 | 60.2 9.8 | 0240 | 40.2 4.5 | 56 23 | 21 5 | 1.7 | 10.6 2.6 | 1441 | SE | 137 | 0.00 | 0.45 | 0.190 0.060 | 634 230 | 100 10 |
| Mount George (Napa East) | 9/14/26 | 92.0 9.0 | 0908 | 43.6 1.1 | 0649 | 47.6 1.7 | 95 1 | 27 6 | 1.3 | 9.6 2.6 | 1544 | SW | 218 | 0.00 | 0.16 | 0.159 0.002 | 511 24 | 100 20 |
| Napa-East (Palmaz 300') | 9/14/26 | 89.5 4.4 | 1448 | 46.6 0.5 | 0654 | 48.8 2.1 | 100 0 | 23 4 | 1.9 | 10.4 1.9 | 1603 | SSW | 201 | 0.00 | 0.16 | 0.153 0.004 | 461 23 | 90 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') | 9/14/26 | 81.7 3.6 | 1457 | 48.4 0.4 | 0157 | 45.4 1.0 | 94 3 | 29 5 | 2.4 | 12.8 1.3 | 1329 | SW | 216 | 0.00 | 0.33 | 0.163 0.008 | 499 18 | 100 10 |
| Wooden Valley | 9/14/26 | 84.7 4.4 | 1503 | 45.8 0.1 | 0642 | 43.4 0.3 | 91 2 | 17 3 | 2.8 | 16.5 1.3 | 1636 | SW | 226 | 0.00 | 0.04 | 0.183 0.013 | 512 18 | 90 20 |
| Napa-West Upper (Truchard) | 9/14/26 | 87.8 5.8 | 1527 | 51.4 1.3 | 0606 | 50.2 2.4 | 100 11 | 19 3 | 3.0 | 16.1 1.5 | 1612 | SSE | 158 | 0.00 | 0.10 | 0.352 0.220 | 1,399 | 90 10 |
| Napa-West Lower (Truchard) | 9/14/26 | 87.4 4.1 | 1526 | 41.6 1.5 | 0609 | 46.3 1.4 | 97 3 | 20 2 | - | - | - | - | - | - | - | - | 90 10 |
| Napa-South (Toyon Farms) | 9/14/26 | 84.6 3.7 | 1542 | 50.0 1.2 | 0627 | 53.2 2.5 | 98 4 | 28 3 | 3.2 | 17.0 1.5 | 1532 | S | 178 | 0.00 | 0.07 | 0.106 0.008 | 234 12 | 100 0 |
| Toyon Remote 1 | 9/14/26 | 85.5 1.5 | 1541 | 44.8 2.0 | 0705 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 2 | 9/14/26 | 84.0 3.3 | 1514 | 44.2 0.7 | 0702 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 3 | 9/14/26 | 86.3 2.7 | 1704 | 44.4 0.5 | 0601 | - | - | - | - | - | - | - | - | - | - | - | - |
| Dealy Lane (Ranch 80) | 9/14/26 | 87.1 6.8 | 1527 | 47.5 0.8 | 0538 | 47.8 0.8 | 92 0 | 21 6 | 2.4 | 15.3 0.9 | 1431 | SE | 137 | 0.00 | 0.08 | 0.166 0.005 | 499 12 | 90 10 |
| Carneros (Saintsbury) | 9/14/26 | 83.6 3.6 | 1521 | 45.4 0.8 | 0657 | 48.4 1.0 | 98 7 | 23 3 | 3.9 | 16.9 2.9 | 1454 | SSE | 155 | 0.00 | 0.08 | - | - | 100 0 |
| Suscol Lower (Ranch 35) | 9/14/26 | 85.0 4.3 | 1523 | 48.5 3.2 | 0502 | 50.1 3.4 | 93 1 | 25 1 | 4.2 | 16.9 1.9 | 1601 | SSW | 212 | 0.00 | 0.15 | 0.175 0.006 | 482 12 | 100 0 |
| Suscol Mtn (Ranch 93) | 9/14/26 | 87.4 7.0 | 1452 | 54.3 3.2 | 0616 | 50.8 3.9 | 93 10 | 26 0 | 4.2 | 16.2 6.3 | 0247 | NE | 35 | 0.00 | 0.33 | - | - | 90 10 |
| Suscol Upper (Ranch 92) | 9/14/26 | 83.2 6.2 | 1455 | 54.4 2.9 | 0650 | 50.8 3.7 | 97 12 | 25 1 | 2.1 | 16.0 4.9 | 1542 | SW | 225 | 0.00 | 0.15 | - | - | 50 20 |
| Stanly (Ranch 45) | 9/14/26 | 84.2 3.0 | 1505 | 46.0 1.2 | 0553 | 51.1 3.7 | 94 3 | 26 2 | 4.6 | 17.7 2.0 | 1618 | SSW | 198 | 0.00 | 0.15 | 0.180 0.008 | 493 17 | 100 0 |
| Carneros Upper (Ranch 81) | 9/14/26 | 85.3 7.5 | 1441 | 54.0 1.8 | 0616 | 48.8 1.3 | - | - | 4.8 | 22.7 2.7 | 1724 | W | 276 | - | - | - | - | 100 0 |
| Carneros (Mitsuko) | 9/14/26 | 84.4 3.7 | 1522 | 42.3 0.8 | 0531 | - | - | - | - | - | - | - | - | - | - | - | 100 0 |
| Carneros Lower (Ranch 81) | 9/14/26 | 85.5 0.3 | 1511 | 46.5 2.0 | 0715 | 47.0 0.2 | 100 0 | 0 0 | 1.4 | 13.6 3.8 | 1434 | S | 174 | 0.00 | 0.01 | 0.032 0.017 | 0 0 | 100 0 |
| Carneros (Milton Rd) | 9/14/26 | 83.4 2.4 | 1437 | 44.3 0.6 | 0653 | 49.5 2.9 | 93 3 | 26 0 | - | - | - | - | 0.00 | 0.00 | - | - | 100 0 |
| Max | 92.0 | - | 60.2 | - | 53.2 | 100 | 29 | 4.8 | 22.7 | - | - | 0.00 | 0.45 | 0.352 | 1,399 | - | |
| Avg | - | - | - | - | 48.2 | - | - | 2.9 | - | - | - | - | - | - | - | - | |
| Min | 81.7 | - | 41.6 | - | 40.2 | 56 | 0 | 1.3 | 9.6 | - | - | 0.00 | 0.00 | 0.032 | 0 | - |