| 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 | 8/6/26 | 95.1 1.1 | 1343 | 55.4 1.1 | 0532 | - | - | - | - | - | - | - | 0.00 | 0.00 | - | - | 0 0 |
| Pope Valley (Weeks Lake) | 8/6/26 | 98.1 2.0 | 1533 | 46.1 4.0 | 0602 | 45.4 6.1 | 98 1 | 6 12 | 1.7 0.1 | 13.4 0.2 | 1607 | SW | 226 | 0.00 | 0.00 | 0.219 0.003 | 601 4 | 0 0 |
| Dollarhide Base | 8/6/26 | 101.4 2.4 | 1253 | 54.1 3.4 | 0552 | 51.9 3.9 | 89 4 | 15 11 | 3.1 0.2 | 15.7 1.9 | 1818 | SSW | 196 | 0.00 | 0.00 | 0.262 0.007 | 664 8 | 0 0 |
| Dollarhide 1AS Remote | 8/6/26 | 101.9 2.5 | 1312 | 48.1 5.7 | 0609 | 50.6 4.7 | 88 2 | 12 12 | 2.6 0.9 | 15.7 0.7 | 1700 | SSW | 212 | - | - | - | - | 0 0 |
| Dollarhide 16A Remote | 8/6/26 | 99.9 3.3 | 1258 | 52.5 2.6 | 0619 | 52.5 3.6 | 92 1 | 15 13 | - | - | - | - | - | - | - | - | 0 0 |
| Dollarhide 18A Remote | 8/6/26 | 98.0 1.9 | 1500 | 46.5 3.4 | 0620 | 50.6 4.2 | 96 0 | 15 9 | - | - | - | - | - | - | - | - | 0 0 |
| Hardin Rd (Eakle) | 8/6/26 | 99.1 1.4 | 1454 | 50.4 3.9 | 0631 | - | - | - | - | - | - | - | - | - | - | - | 0 0 |
| Angwin | 8/6/26 | 88.5 1.3 | 1446 | 69.9 1.6 | 0517 | 37.5 10.1 | 45 6 | 6 6 | 2.9 0.0 | 13.7 1.3 | 1559 | SSE | 158 | 0.00 | 0.00 | 0.076 0.012 | 0 0 | 100 0 |
| Lower Angwin (Pioneer) | 8/6/26 | 89.7 1.7 | 1548 | 45.9 0.0 | 0352 | - | - | - | 1.7 0.2 | 12.8 0.8 | 1626 | SW | 214 | - | - | - | - | 0 10 |
| Las Posadas (Cal Fire) | 8/6/26 | 91.8 0.8 | 1513 | 50.5 1.9 | 0529 | 51.2 2.3 | 92 2 | 25 8 | 7.4 1.6 | 19.6 1.8 | 1908 | SW | 227 | 0.00 | 0.00 | 0.258 0.009 | 597 6 | - |
| Deer Park | 8/6/26 | 93.7 0.2 | 1528 | 52.2 3.0 | 0538 | 51.6 2.4 | 94 2 | 18 10 | 3.3 0.9 | 13.1 0.3 | 1620 | SSE | 147 | 0.00 | 0.00 | 0.182 0.009 | 448 11 | 0 0 |
| Lower Chiles Valley (Brown) | 8/6/26 | 94.5 1.2 | 1611 | 51.0 3.8 | 0606 | 49.8 4.8 | 91 3 | 12 12 | 4.1 0.4 | 17.6 3.3 | 1544 | WNW | 288 | 0.00 | 0.00 | 0.234 0.008 | 652 10 | 0 0 |
| Moss Creek Vineyard/Reservior | 8/6/26 | 102.2 2.5 | 1319 | 51.2 3.0 | 0631 | 48.1 4.4 | 91 2 | 6 7 | - | - | - | - | 0.00 | 0.00 | - | - | 0 0 |
| Max | 102.2 | - | 69.9 | - | 52.5 | 98 | 25 | 7.4 | 19.6 | - | - | 0.00 | 0.00 | 0.262 | 664 | - | |
| Avg | - | - | - | - | 48.9 | - | - | 3.3 | - | - | - | - | - | - | - | - | |
| Min | 88.5 | - | 45.9 | - | 37.5 | 45 | 6 | 1.7 | 12.8 | - | - | 0.00 | 0.00 | 0.076 | 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 | 8/6/26 | 96.9 2.5 | 1342 | 55.9 0.6 | 0155 | 53.6 1.6 | 90 2 | 20 7 | - | - | - | - | 0.00 | 0.00 | - | - | 0 0 |
| Diamond Mtn (Schramsberg) | 8/6/26 | 94.9 2.5 | 1553 | 50.5 2.8 | 0516 | 48.5 2.2 | 100 7 | 15 2 | - | - | - | - | 0.00 | 0.00 | - | - | 0 0 |
| Diamond Mtn (McEachran) | 8/6/26 | 94.9 4.0 | 1440 | 52.6 2.8 | 0248 | 49.5 2.4 | 94 0 | 16 2 | - | - | - | - | - | - | - | - | 0 0 |
| St. Helena-North | 8/6/26 | 95.2 1.9 | 1549 | 53.9 3.1 | 0546 | 51.2 1.7 | 86 4 | 20 3 | 2.4 | 11.8 2.0 | 1450 | SSE | 147 | 0.00 | 0.00 | 0.210 0.017 | 568 13 | 0 0 |
| St. Helena (NVV Office) | 8/6/26 | 92.7 2.0 | 1535 | 54.0 3.1 | 0535 | - | - | - | 1.8 | 11.0 1.2 | 1549 | E | 93 | 0.00 | 0.00 | - | - | 0 0 |
| Tiara Fria (East St. Helena) | 8/6/26 | 90.5 0.3 | 1533 | 51.8 4.4 | 0631 | 53.8 1.9 | 91 3 | 32 2 | 2.3 | 10.9 1.0 | 1556 | ESE | 114 | 0.00 | 0.00 | - | - | 0 0 |
| Prisoner Winery | 8/6/26 | 94.8 0.5 | 1523 | 50.9 2.9 | 0608 | 54.0 1.6 | 95 1 | 29 1 | 1.7 | 9.7 0.7 | 1623 | E | 82 | 0.00 | 0.00 | 0.150 0.060 | 555 78 | 0 0 |
| Rutherford Hill Estate | 8/6/26 | 92.0 0.0 | 1506 | 51.5 2.3 | 0614 | 53.4 2.0 | 100 6 | 28 4 | 1.4 | 14.5 3.7 | 1618 | SSW | 192 | 0.00 | 0.00 | 0.184 0.002 | 550 1 | 0 0 |
| Rutherford-North (Mee Ln) | 8/6/26 | 89.5 0.4 | 1518 | 47.4 5.3 | 0617 | 53.3 1.5 | 93 3 | 33 1 | 2.9 | 17.5 3.7 | 1753 | SE | 131 | 0.00 | 0.00 | 0.195 0.001 | 534 1 | 0 0 |
| Rutherford (STS) | 8/6/26 | 92.3 0.1 | 1447 | 46.6 5.1 | 0629 | 55.7 1.5 | 92 1 | 36 2 | 1.9 | 13.7 1.8 | 1618 | E | 101 | 0.00 | 0.00 | 0.217 0.004 | 653 23 | 0 0 |
| Oakville-NE (Ranch 88) | 8/6/26 | 90.5 0.3 | 1513 | 46.2 3.9 | 0619 | 50.6 2.4 | 87 0 | 30 2 | 2.0 | 15.9 0.3 | 1612 | S | 180 | 0.00 | 0.00 | 0.206 0.003 | 594 23 | 100 10 |
| OV561-East | 8/6/26 | 91.1 0.6 | 1516 | 49.4 2.9 | 0633 | - | - | - | - | - | - | - | - | - | - | - | 0 0 |
| Oakville | 8/6/26 | 87.0 0.2 | 1500 | 47.9 2.8 | 0609 | 52.2 2.1 | 91 0 | 35 2 | 3.2 | 17.6 0.2 | 1802 | SSE | 154 | 0.00 | 0.00 | 0.221 0.004 | 647 25 | 20 10 |
| OV518-West | 8/6/26 | 86.5 0.2 | 1454 | 48.5 2.9 | 0602 | - | - | - | - | - | - | - | - | - | - | - | 20 10 |
| To Kalon Remote (TKKE) | 8/6/26 | 90.5 0.1 | 1443 | 48.9 3.1 | 0609 | - | - | - | - | - | - | - | - | - | - | - | 0 0 |
| To Kalon | 8/6/26 | 87.7 0.0 | 1504 | 49.0 2.6 | 0612 | 53.9 1.6 | 94 0 | 36 3 | 3.0 | 16.8 0.7 | 1636 | SE | 139 | 0.00 | 0.00 | 0.214 0.005 | 619 28 | 0 0 |
| To Kalon Remote (TKN5) | 8/6/26 | 91.3 0.7 | 1455 | 48.8 2.6 | 0617 | - | - | - | - | - | - | - | - | - | - | - | 0 0 |
| Yountville (Ranch 67) | 8/6/26 | 84.8 0.2 | 1450 | 46.8 3.2 | 0600 | 51.2 2.1 | 91 1 | 36 2 | 2.9 | 16.9 0.3 | 1734 | SE | 144 | 0.00 | 0.00 | 0.219 0.004 | 687 24 | 90 20 |
| Stags Leap Dist (Silverado Vineyards) | 8/6/26 | 85.6 0.2 | 1455 | 47.0 3.8 | 0606 | 51.5 2.2 | 94 2 | 36 1 | 2.6 | 16.8 0.5 | 1422 | SE | 136 | 0.00 | 0.00 | 0.216 0.004 | 635 17 | 70 20 |
| Borreo (Soda Canyon) | 8/6/26 | 83.7 1.1 | 1419 | 46.9 2.2 | 0627 | 50.6 2.1 | 97 3 | 32 4 | 1.6 | 10.2 0.2 | 1618 | SW | 215 | 0.00 | 0.00 | 0.211 0.002 | 672 6 | 70 20 |
| Wappo Hill Floor | 8/6/26 | 86.6 0.1 | 1503 | 47.3 2.5 | 0424 | 52.8 2.2 | 100 0 | 38 1 | 2.6 | 15.8 2.7 | 1727 | SSE | 148 | 0.00 | 0.00 | 0.214 0.004 | 647 17 | 0 10 |
| Stags Leap Dist (Chimney Rock) | 8/6/26 | 85.0 0.2 | 1454 | 46.8 3.6 | 0528 | 54.3 2.2 | 97 0 | 44 1 | 2.5 | 14.7 1.2 | 1743 | SE | 132 | 0.00 | 0.00 | 0.188 0.003 | 577 14 | 90 20 |
| Yountville-South (Ranch 87) | 8/6/26 | 86.9 0.3 | 1504 | 47.9 2.9 | 0550 | 53.2 2.1 | 95 3 | 38 0 | 1.5 | 9.6 1.7 | 1334 | S | 191 | 0.00 | 0.00 | 0.201 0.002 | 634 13 | 0 0 |
| Yountville-SE (Ranch 85) | 8/6/26 | 84.0 0.5 | 1513 | 48.0 4.2 | 0611 | 53.6 2.1 | 95 0 | 40 2 | 2.4 | 14.5 0.7 | 1604 | S | 182 | 0.00 | 0.00 | - | 0 0 | 100 0 |
| Oak Knoll-East (Ranch 53) | 8/6/26 | 84.6 0.3 | 1456 | 48.3 3.9 | 0625 | 52.2 2.2 | 89 2 | 38 0 | 2.4 | 15.3 0.1 | 1633 | SE | 133 | 0.00 | 0.00 | 0.214 0.007 | 669 30 | 0 10 |
| Napa-NW (Ranch 54) | 8/6/26 | 89.5 1.7 | 1703 | 48.8 2.8 | 0604 | 52.9 1.7 | 92 1 | 27 10 | 0.5 | 6.5 0.3 | 1423 | SE | 131 | 0.00 | 0.00 | - | 0 0 | 0 0 |
| Napa-North (Ranch 29) | 8/6/26 | 83.6 0.8 | 1636 | 48.6 3.4 | 0552 | 53.7 1.9 | 100 0 | 41 2 | 1.6 | 13.5 0.6 | 1538 | SSE | 155 | 0.00 | 0.00 | 0.129 0.006 | 378 14 | 100 0 |
| Max | 96.9 | - | 55.9 | - | 55.7 | 100 | 44 | 3.2 | 17.6 | - | - | 0.00 | 0.00 | 0.221 | 687 | - | |
| Avg | - | - | - | - | 52.5 | - | - | 2.2 | - | - | - | - | - | - | - | - | |
| Min | 83.6 | - | 46.2 | - | 48.5 | 86 | 15 | 0.5 | 6.5 | - | - | 0.00 | 0.00 | 0.129 | 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 | 8/6/26 | 91.2 1.1 | 1603 | 55.4 3.9 | 0517 | 48.6 3.6 | 81 14 | 19 6 | 1.4 | 11.4 1.5 | 1424 | ESE | 115 | 0.00 | 0.00 | 0.266 0.080 | 979 394 | 40 10 |
| Mount George (Napa East) | 8/6/26 | 82.7 1.9 | 1437 | 46.5 7.9 | 0625 | 51.9 3.4 | 93 1 | 38 3 | 1.6 | 12.4 2.4 | 1405 | W | 281 | 0.00 | 0.00 | 0.194 0.004 | 632 28 | 100 0 |
| Napa-East (Palmaz 300') | 8/5/26 | 87.4 1.7 | 1442 | 53.6 0.1 | 0332 | 54.5 1.3 | 94 6 | 35 0 | 1.9 | 10.4 0.7 | 1455 | WSW | 242 | 0.00 | 0.00 | 0.177 0.005 | 522 10 | 0 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') | 8/6/26 | 81.9 0.8 | 1454 | 51.8 0.5 | 0349 | 51.5 2.4 | 94 6 | 35 5 | 2.8 | 12.8 1.5 | 1736 | W | 259 | 0.00 | 0.00 | 0.203 0.010 | 635 13 | 100 0 |
| Wooden Valley | 8/6/26 | 87.4 0.1 | 1347 | 52.9 1.7 | 0540 | 48.7 3.4 | 86 2 | 23 9 | 4.1 | 17.2 0.7 | 1804 | SSW | 212 | 0.00 | 0.00 | 0.243 0.015 | 659 8 | 30 20 |
| Napa-West Upper (Truchard) | 8/6/26 | 85.4 1.6 | 1643 | 50.5 1.2 | 0559 | 29.5 1.6 | 100 0 | 0 0 | 2.8 | 16.5 1.0 | 1728 | SSE | 167 | 0.00 | 0.00 | 0.217 0.004 | 652 22 | 100 20 |
| Napa-West Lower (Truchard) | 8/6/26 | 86.0 3.3 | 1652 | 43.6 2.5 | 0600 | 50.7 2.3 | 94 0 | 34 8 | - | - | - | - | - | - | - | - | 100 0 |
| Napa-South (Toyon Farms) | 8/6/26 | 81.9 1.3 | 1648 | 51.1 3.0 | 0708 | 55.8 1.3 | 100 2 | 48 4 | 3.4 | 16.3 0.5 | 1724 | S | 171 | 0.00 | 0.00 | 0.112 0.003 | 309 23 | 100 0 |
| Toyon Remote 1 | 8/6/26 | 82.1 1.6 | 1639 | 45.8 3.6 | 0553 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 2 | 8/6/26 | 81.6 1.5 | 1644 | 46.6 4.0 | 0634 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 3 | 8/6/26 | 83.0 1.1 | 1635 | 46.0 3.4 | 0537 | - | - | - | - | - | - | - | - | - | - | - | - |
| Dealy Lane (Ranch 80) | 8/6/26 | 85.3 3.5 | 1637 | 48.2 6.7 | 0646 | 51.8 2.6 | 95 3 | 32 11 | 2.3 | 13.6 1.1 | 1314 | SSE | 159 | 0.00 | 0.00 | 0.204 0.010 | 645 34 | 100 0 |
| Carneros (Saintsbury) | 8/6/26 | 80.9 1.6 | 1635 | 47.4 5.1 | 0650 | 52.8 1.6 | 100 6 | 38 9 | 5.2 | 17.4 0.7 | 1734 | SSE | 168 | 0.00 | 0.00 | - | - | 100 0 |
| Suscol Lower (Ranch 35) | 8/6/26 | 80.7 0.4 | 1613 | 47.9 4.7 | 0536 | 52.4 1.7 | 100 0 | 41 2 | 4.6 | 17.7 2.1 | 1525 | SSW | 210 | 0.00 | 0.00 | 0.197 0.006 | 595 21 | 100 0 |
| Suscol Mtn (Ranch 93) | 8/6/26 | 83.9 0.9 | 1516 | 51.0 2.3 | 0649 | 53.2 1.4 | 97 1 | 41 1 | 4.0 | 16.2 0.4 | 1605 | NW | 305 | 0.00 | 0.00 | - | - | 100 0 |
| Suscol Upper (Ranch 92) | 8/6/26 | 80.7 1.2 | 1431 | 51.5 2.4 | 0554 | 27.7 7.4 | 100 0 | 0 0 | 2.0 | 13.4 1.0 | 1719 | SW | 216 | 0.00 | 0.00 | - | - | 100 0 |
| Stanly (Ranch 45) | 8/6/26 | 79.8 1.1 | 1617 | 46.5 5.1 | 0631 | 52.9 1.6 | 94 3 | 42 5 | 5.1 | 17.8 0.7 | 1706 | S | 180 | 0.00 | 0.00 | 0.212 0.004 | 666 19 | 100 0 |
| Carneros Upper (Ranch 81) | 8/6/26 | 83.7 1.4 | 1623 | 52.4 2.9 | 0633 | 52.5 1.6 | - | - | 9.6 | 21.6 3.7 | 2009 | WSW | 254 | - | - | - | - | 100 0 |
| Carneros (Mitsuko) | 8/6/26 | 84.6 5.1 | 1645 | 45.2 9.0 | 0549 | - | - | - | - | - | - | - | - | - | - | - | 100 0 |
| Carneros Lower (Ranch 81) | 8/6/26 | 88.3 6.4 | 1640 | 51.7 3.2 | 0608 | 53.1 2.3 | 100 7 | 0 43 | 1.3 | 13.2 0.6 | 1537 | SSW | 208 | 0.00 | 0.00 | 0.194 0.001 | 625 21 | 100 0 |
| Carneros (Milton Rd) | 8/6/26 | 79.6 0.5 | 1501 | 50.6 2.7 | 0634 | 53.6 1.3 | 93 1 | 42 5 | - | - | - | - | 0.00 | 0.00 | - | - | 100 0 |
| Max | 91.2 | - | 55.4 | - | 55.8 | 100 | 48 | 9.6 | 21.6 | - | - | 0.00 | 0.00 | 0.266 | 979 | - | |
| Avg | - | - | - | - | 49.2 | - | - | 3.6 | - | - | - | - | - | - | - | - | |
| Min | 79.6 | - | 43.6 | - | 27.7 | 81 | 0 | 1.3 | 11.4 | - | - | 0.00 | 0.00 | 0.112 | 309 | - |