| 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 | 8/9/26 | 98.9 1.5 | 1433 | 61.9 1.8 | 2357 | - | - | - | - | - | - | - | 0.00 | 0.00 | - | - | 0 0 |
| Pope Valley (Weeks Lake) | 8/9/26 | 103.4 0.0 | 1322 | 51.6 0.4 | 0519 | 53.7 1.7 | 95 2 | 15 3 | 1.5 0.0 | 12.7 2.0 | 1235 | W | 268 | 0.00 | 0.00 | 0.217 0.029 | 587 96 | 0 0 |
| Dollarhide Base | 8/9/26 | 106.1 2.8 | 1211 | 56.6 0.2 | 0634 | 58.4 0.3 | 93 3 | 21 0 | 2.7 0.3 | 15.9 3.5 | 1628 | SSW | 200 | 0.00 | 0.00 | 0.260 0.029 | 653 77 | 0 0 |
| Dollarhide 1AS Remote | 8/9/26 | 107.1 2.0 | 1327 | 53.1 2.2 | 0620 | 56.7 0.5 | 91 2 | 19 0 | 2.8 0.3 | 16.2 1.7 | 1454 | SW | 219 | - | - | - | - | 0 0 |
| Dollarhide 16A Remote | 8/9/26 | 105.6 3.8 | 1253 | 56.3 0.4 | 0604 | 58.5 0.2 | 94 4 | 22 1 | - | - | - | - | - | - | - | - | 0 0 |
| Dollarhide 18A Remote | 8/9/26 | 104.4 3.7 | 1255 | 52.0 0.9 | 0617 | 57.0 0.8 | 98 1 | 22 0 | - | - | - | - | - | - | - | - | 0 0 |
| Hardin Rd (Eakle) | 8/9/26 | 103.6 1.6 | 1428 | 54.7 0.4 | 0621 | - | - | - | - | - | - | - | - | - | - | - | 0 0 |
| Angwin | 8/9/26 | 95.5 2.6 | 1454 | 75.6 0.0 | 0345 | 42.1 5.2 | 33 2 | 11 6 | 3.8 0.9 | 13.1 1.6 | 1336 | SE | 144 | 0.00 | 0.00 | 0.102 0.014 | 0 0 | 100 0 |
| Lower Angwin (Pioneer) | 8/9/26 | 95.2 4.0 | 1527 | 49.8 2.6 | 0058 | - | - | - | 2.4 1.1 | 12.8 1.7 | 1655 | WSW | 258 | - | - | - | - | 0 0 |
| Las Posadas (Cal Fire) | 8/9/26 | 97.7 3.4 | 1526 | 54.6 2.1 | 0637 | 54.8 0.1 | 92 2 | 21 1 | 7.4 1.4 | 20.6 1.0 | 1748 | SW | 226 | 0.00 | 0.00 | 0.276 0.033 | 580 51 | - |
| Deer Park | 8/9/26 | 98.9 4.4 | 1518 | 53.1 0.2 | 0616 | 55.5 0.7 | 95 0 | 25 4 | 3.3 0.4 | 14.3 1.4 | 1930 | SE | 125 | 0.00 | 0.00 | 0.187 0.036 | 434 72 | 0 0 |
| Lower Chiles Valley (Brown) | 8/9/26 | 99.4 3.3 | 1543 | 53.9 0.0 | 0437 | 54.8 0.5 | 100 0 | 21 1 | 4.2 0.3 | 18.8 4.6 | 1606 | WNW | 295 | 0.00 | 0.00 | 0.242 0.025 | 636 7 | 0 0 |
| Moss Creek Vineyard/Reservior | 8/9/26 | 106.1 1.3 | 1406 | 56.8 0.6 | 0618 | 54.6 1.6 | 89 6 | 16 4 | - | - | - | - | 0.00 | 0.00 | - | - | 0 0 |
| Max | 107.1 | - | 75.6 | - | 58.5 | 100 | 25 | 7.4 | 20.6 | - | - | 0.00 | 0.00 | 0.276 | 653 | - | |
| Avg | - | - | - | - | 54.6 | - | - | 3.5 | - | - | - | - | - | - | - | - | |
| Min | 95.2 | - | 49.8 | - | 42.1 | 33 | 11 | 1.5 | 12.7 | - | - | 0.00 | 0.00 | 0.102 | 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 | 8/9/26 | 105.6 4.9 | 1511 | 52.0 0.6 | 0612 | 56.6 0.4 | 97 2 | 21 3 | - | - | - | - | 0.00 | 0.00 | - | - | 0 0 |
| Diamond Mtn (Schramsberg) | 8/9/26 | 101.5 5.1 | 1546 | 54.5 2.0 | 0625 | 55.8 0.9 | 100 0 | 14 7 | - | - | - | - | 0.00 | 0.00 | - | - | 0 0 |
| Diamond Mtn (McEachran) | 8/9/26 | 100.6 3.2 | 1542 | 54.0 0.8 | 0613 | 56.7 0.8 | 96 0 | 24 3 | - | - | - | - | - | - | - | - | 0 0 |
| St. Helena-North | 8/9/26 | 99.6 4.5 | 1517 | 52.7 0.6 | 0610 | 54.1 0.5 | 88 1 | 23 3 | 3.8 | 14.5 0.7 | 1634 | ESE | 119 | 0.00 | 0.00 | 0.229 0.045 | 555 91 | 0 0 |
| St. Helena (NVV Office) | 8/9/26 | 98.1 4.9 | 1533 | 53.5 1.8 | 0639 | - | - | - | 1.6 | 10.8 0.9 | 1354 | E | 98 | 0.00 | 0.00 | - | - | 0 0 |
| Tiara Fria (East St. Helena) | 8/9/26 | 94.3 4.8 | 1529 | 51.3 2.0 | 0630 | 55.6 0.1 | 90 4 | 32 4 | 2.2 | 12.3 1.0 | 1718 | ESE | 112 | 0.00 | 0.00 | - | - | 0 0 |
| Prisoner Winery | 8/9/26 | 98.4 5.1 | 1504 | 50.3 1.2 | 0551 | 55.9 0.3 | 98 0 | 28 3 | 1.3 | 9.1 1.2 | 1651 | SE | 142 | 0.00 | 0.00 | 0.045 0.020 | 46 43 | 0 0 |
| Rutherford Hill Estate | 8/9/26 | 95.4 6.3 | 1506 | 53.6 0.7 | 0634 | 56.3 0.6 | 100 0 | 31 5 | 1.4 | 14.5 3.7 | 1700 | SW | 215 | 0.00 | 0.00 | 0.184 0.017 | 542 30 | 0 0 |
| Rutherford-North (Mee Ln) | 8/9/26 | 93.5 5.5 | 1514 | 48.4 1.2 | 0555 | 54.8 0.2 | 91 3 | 33 4 | 3.2 | 16.0 0.9 | 1544 | SSE | 157 | 0.00 | 0.00 | 0.199 0.022 | 527 40 | 0 0 |
| Rutherford (STS) | 8/9/26 | 96.9 6.0 | 1502 | 49.1 0.5 | 0621 | 57.4 0.5 | 91 0 | 36 4 | 2.1 | 17.2 4.1 | 1607 | ENE | 57 | 0.00 | 0.00 | 0.219 0.021 | 639 44 | 0 0 |
| Oakville-NE (Ranch 88) | 8/9/26 | 93.8 5.7 | 1429 | 48.8 3.4 | 0604 | 53.2 0.7 | 88 5 | 30 4 | 2.4 | 17.2 0.7 | 1645 | SSW | 197 | 0.00 | 0.00 | 0.207 0.018 | 578 32 | 90 10 |
| OV561-East | 8/9/26 | 94.5 5.4 | 1522 | 51.1 2.5 | 0624 | - | - | - | - | - | - | - | - | - | - | - | 0 0 |
| Oakville | 8/9/26 | 90.0 5.5 | 1442 | 49.5 3.4 | 0610 | 54.6 0.3 | 90 2 | 36 5 | 3.7 | 19.8 3.2 | 1556 | ESE | 118 | 0.00 | 0.00 | 0.219 0.022 | 620 38 | 50 10 |
| OV518-West | 8/9/26 | 89.5 5.2 | 1458 | 50.0 2.7 | 0557 | - | - | - | - | - | - | - | - | - | - | - | 50 10 |
| To Kalon Remote (TKKE) | 8/9/26 | 94.8 6.0 | 1501 | 50.2 2.2 | 0606 | - | - | - | - | - | - | - | - | - | - | - | 0 0 |
| To Kalon | 8/9/26 | 91.6 5.5 | 1440 | 50.8 1.3 | 0538 | 56.2 0.2 | 95 0 | 36 5 | 3.4 | 17.4 0.9 | 1651 | SE | 128 | 0.00 | 0.00 | 0.217 0.022 | 607 38 | 0 0 |
| To Kalon Remote (TKN5) | 8/9/26 | 94.7 6.5 | 1448 | 50.8 2.3 | 0556 | - | - | - | - | - | - | - | - | - | - | - | 0 0 |
| Yountville (Ranch 67) | 8/9/26 | 88.5 5.9 | 1512 | 49.3 3.4 | 0608 | 53.8 0.3 | 91 0 | 36 6 | 4.0 | 16.6 1.0 | 1606 | SSE | 158 | 0.00 | 0.00 | 0.223 0.024 | 669 50 | 90 10 |
| Stags Leap Dist (Silverado Vineyards) | 8/9/26 | 89.3 6.0 | 1433 | 50.0 3.2 | 0606 | 54.0 0.3 | 93 2 | 35 6 | 3.4 | 17.0 0.1 | 1901 | S | 177 | 0.00 | 0.00 | 0.219 0.026 | 618 59 | 100 0 |
| Borreo (Soda Canyon) | 8/9/26 | 89.7 7.1 | 1454 | 49.1 0.1 | 0636 | 53.2 0.0 | 96 2 | 33 8 | 1.8 | 10.0 1.4 | 1641 | SSE | 161 | 0.00 | 0.00 | 0.212 0.023 | 653 42 | 100 0 |
| Wappo Hill Floor | 8/9/26 | 89.8 5.9 | 1436 | 48.7 5.1 | 0621 | 55.1 0.5 | 100 0 | 37 5 | 2.8 | 13.9 0.7 | 1840 | SE | 144 | 0.00 | 0.00 | 0.211 0.022 | 629 53 | 30 10 |
| Stags Leap Dist (Chimney Rock) | 8/9/26 | 89.2 6.2 | 1429 | 49.0 4.2 | 0637 | 56.6 0.4 | 98 4 | 43 6 | 2.8 | 13.2 1.6 | 1614 | SSE | 148 | 0.00 | 0.00 | 0.188 0.021 | 561 42 | 90 10 |
| Yountville-South (Ranch 87) | 8/9/26 | 90.6 7.0 | 1525 | 50.0 3.2 | 0617 | 55.5 0.4 | 97 2 | 37 5 | 1.7 | 11.7 2.0 | 1557 | SSE | 149 | 0.00 | 0.00 | 0.197 0.018 | 608 48 | 0 0 |
| Yountville-SE (Ranch 85) | 8/9/26 | 87.7 5.3 | 1429 | 50.5 4.3 | 0606 | 56.1 0.1 | 95 1 | 40 5 | 2.9 | 14.3 2.7 | 1536 | S | 185 | 0.00 | 0.00 | - | 0 0 | 90 10 |
| Oak Knoll-East (Ranch 53) | 8/9/26 | 88.4 6.9 | 1417 | 50.8 3.7 | 0614 | 54.9 0.2 | 91 2 | 37 6 | 2.7 | 14.2 2.0 | 1636 | SE | 143 | 0.00 | 0.00 | 0.210 0.025 | 648 55 | 30 10 |
| Napa-NW (Ranch 54) | 8/9/26 | 91.3 7.8 | 1425 | 50.9 1.2 | 0617 | 55.1 0.4 | 92 0 | 35 7 | 0.6 | 6.8 0.4 | 1309 | S | 180 | 0.00 | 0.00 | - | 0 0 | 10 10 |
| Napa-North (Ranch 29) | 8/9/26 | 85.0 5.7 | 1407 | 52.0 3.0 | 0500 | 56.4 0.1 | 100 0 | 42 7 | 1.8 | 13.2 1.8 | 1554 | S | 175 | 0.00 | 0.00 | 0.133 0.007 | 378 5 | 100 0 |
| Max | 105.6 | - | 54.5 | - | 57.4 | 100 | 43 | 4.0 | 19.8 | - | - | 0.00 | 0.00 | 0.229 | 669 | - | |
| Avg | - | - | - | - | 55.4 | - | - | 2.5 | - | - | - | - | - | - | - | - | |
| Min | 85.0 | - | 48.4 | - | 53.2 | 88 | 14 | 0.6 | 6.8 | - | - | 0.00 | 0.00 | 0.045 | 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 | 8/9/26 | 92.9 4.4 | 1504 | 59.1 4.1 | 0059 | 53.0 2.4 | 86 4 | 23 13 | 1.5 | 11.3 4.5 | 1545 | S | 191 | 0.00 | 0.00 | 0.299 0.042 | 980 239 | 10 10 |
| Mount George (Napa East) | 8/9/26 | 87.1 11.2 | 1458 | 51.0 3.8 | 0508 | 54.5 1.4 | 94 6 | 37 9 | 1.5 | 10.3 0.1 | 1611 | W | 260 | 0.00 | 0.00 | 0.193 0.017 | 610 43 | 90 10 |
| Napa-East (Palmaz 300') | 8/9/26 | 92.3 8.2 | 1423 | 51.8 1.8 | 0536 | 55.0 0.1 | 100 6 | 31 10 | 1.4 | 10.0 1.5 | 1539 | WSW | 250 | 0.00 | 0.00 | 0.178 0.016 | 516 28 | 10 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') | 8/9/26 | 89.0 7.3 | 1426 | 54.1 2.6 | 0011 | 55.5 0.9 | 100 0 | 35 10 | 2.8 | 10.8 0.7 | 1430 | WSW | 237 | 0.00 | 0.00 | 0.209 0.030 | 618 39 | 90 10 |
| Wooden Valley | 8/9/26 | 93.7 4.3 | 1511 | 55.7 1.4 | 0628 | 53.3 0.4 | 86 9 | 25 7 | 3.4 | 15.0 0.6 | 2113 | WSW | 257 | 0.00 | 0.00 | 0.236 0.016 | 633 14 | 0 10 |
| Napa-West Upper (Truchard) | 8/9/26 | 87.2 6.9 | 1437 | 50.9 1.0 | 0609 | 35.3 6.2 | 100 0 | 0 0 | 3.1 | 14.0 0.0 | 1530 | S | 183 | 0.00 | 0.00 | 0.210 0.023 | 630 50 | 90 10 |
| Napa-West Lower (Truchard) | 8/9/26 | 86.3 7.1 | 1400 | 45.6 2.9 | 0557 | 53.2 0.2 | 93 0 | 40 7 | - | - | - | - | - | - | - | - | 90 10 |
| Napa-South (Toyon Farms) | 8/9/26 | 84.9 8.3 | 1347 | 51.6 2.8 | 0536 | 57.6 0.6 | 100 2 | 49 9 | 3.4 | 14.8 0.8 | 1804 | SSE | 160 | 0.00 | 0.00 | 0.107 0.008 | 305 10 | 100 0 |
| Toyon Remote 1 | 8/9/26 | 85.1 8.0 | 1347 | 46.9 4.9 | 0613 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 2 | 8/9/26 | 84.0 7.3 | 1430 | 48.4 5.5 | 0543 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 3 | 8/9/26 | 85.0 6.5 | 1431 | 46.6 5.1 | 0605 | - | - | - | - | - | - | - | - | - | - | - | - |
| Dealy Lane (Ranch 80) | 8/9/26 | 83.5 5.8 | 1338 | 47.8 5.6 | 0614 | 54.2 0.3 | 95 2 | 43 5 | 2.5 | 13.7 0.3 | 1653 | SSE | 151 | 0.00 | 0.00 | 0.196 0.023 | 621 39 | 100 0 |
| Carneros (Saintsbury) | 8/9/26 | 82.4 7.2 | 1355 | 48.0 3.4 | 0520 | 54.2 0.1 | 100 0 | 45 8 | 4.0 | 15.6 1.1 | 1603 | SSE | 149 | 0.00 | 0.00 | - | - | 100 0 |
| Suscol Lower (Ranch 35) | 8/9/26 | 84.0 7.2 | 1501 | 52.3 1.7 | 0344 | 55.3 0.6 | 100 4 | 41 8 | 4.7 | 16.2 0.4 | 1531 | SSW | 210 | 0.00 | 0.00 | 0.191 0.027 | 575 50 | 100 0 |
| Suscol Mtn (Ranch 93) | 8/9/26 | 89.3 9.0 | 1528 | 53.4 1.0 | 0516 | 55.6 0.2 | 100 0 | 39 10 | 3.3 | 13.1 1.8 | 1402 | NW | 308 | 0.00 | 0.00 | - | - | 90 10 |
| Suscol Upper (Ranch 92) | 8/9/26 | 85.5 7.8 | 1507 | 54.0 1.0 | 0621 | 7.7 11.6 | 100 0 | 0 0 | 2.2 | 14.3 2.3 | 2356 | S | 178 | 0.00 | 0.00 | - | - | 100 10 |
| Stanly (Ranch 45) | 8/9/26 | 81.4 5.2 | 1505 | 50.4 3.5 | 0436 | 55.0 0.3 | 93 2 | 46 7 | 5.6 | 17.5 1.1 | 2044 | SSW | 199 | 0.00 | 0.00 | 0.203 0.026 | 638 53 | 100 0 |
| Carneros Upper (Ranch 81) | 8/9/26 | 86.3 8.4 | 1426 | 52.2 1.9 | 0609 | 38.9 2.0 | - | - | 4.2 | 15.5 1.3 | 1812 | S | 175 | - | - | - | - | 100 0 |
| Carneros (Mitsuko) | 8/9/26 | 82.3 6.8 | 1426 | 46.9 7.3 | 0457 | - | - | - | - | - | - | - | - | - | - | - | 100 0 |
| Carneros Lower (Ranch 81) | 8/9/26 | 85.3 7.2 | 1516 | 52.4 2.4 | 0454 | 55.3 0.1 | 100 7 | 0 50 | 1.9 | 12.2 1.0 | 1542 | SE | 145 | 0.00 | 0.00 | 0.192 0.021 | 608 44 | 100 0 |
| Carneros (Milton Rd) | 8/9/26 | 82.0 6.8 | 1452 | 49.8 1.9 | 0334 | 54.9 0.3 | 93 2 | 47 7 | - | - | - | - | 0.00 | 0.00 | - | - | 100 10 |
| Max | 93.7 | - | 59.1 | - | 57.6 | 100 | 49 | 5.6 | 17.5 | - | - | 0.00 | 0.00 | 0.299 | 980 | - | |
| Avg | - | - | - | - | 49.9 | - | - | 3.0 | - | - | - | - | - | - | - | - | |
| Min | 81.4 | - | 45.6 | - | 7.7 | 86 | 0 | 1.4 | 10.0 | - | - | 0.00 | 0.00 | 0.107 | 305 | - |