| 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 | 8/5/26 | 94.0 2.0 | 1339 | 56.5 5.2 | 0526 | - | - | - | - | - | - | - | 0.00 | 0.00 | - | - | 0 0 |
| Pope Valley (Weeks Lake) | 8/5/26 | 96.1 5.6 | 1525 | 50.2 3.9 | 0641 | 51.5 2.8 | 100 0 | 18 0 | 1.8 0.2 | 13.6 1.1 | 1441 | SW | 231 | 0.00 | 0.00 | 0.216 0.007 | 605 5 | 0 0 |
| Dollarhide Base | 8/5/26 | 99.0 4.2 | 1558 | 57.5 2.0 | 0641 | 55.8 2.5 | 86 4 | 26 3 | 3.3 0.1 | 13.8 1.5 | 1450 | SSW | 199 | 0.00 | 0.00 | 0.255 0.013 | 672 4 | 0 0 |
| Dollarhide 1AS Remote | 8/5/26 | 99.4 5.1 | 1610 | 53.8 1.6 | 0638 | 55.3 1.2 | 90 2 | 25 4 | 3.5 0.4 | 16.4 1.8 | 1451 | SW | 220 | - | - | - | - | 0 0 |
| Dollarhide 16A Remote | 8/5/26 | 96.6 4.8 | 1611 | 55.1 4.2 | 0623 | 56.1 2.6 | 91 1 | 28 3 | - | - | - | - | - | - | - | - | 0 0 |
| Dollarhide 18A Remote | 8/5/26 | 96.1 4.7 | 1630 | 50.0 4.0 | 0624 | 54.9 2.2 | 97 1 | 24 1 | - | - | - | - | - | - | - | - | 0 0 |
| Hardin Rd (Eakle) | 8/5/26 | 97.7 4.1 | 1554 | 54.3 2.4 | 0629 | - | - | - | - | - | - | - | - | - | - | - | 0 0 |
| Angwin | 8/5/26 | 87.2 5.3 | 1549 | 68.3 2.4 | 2039 | 47.6 1.8 | 51 4 | 12 10 | 2.8 0.2 | 12.4 0.3 | 1422 | SE | 138 | 0.00 | 0.00 | 0.064 0.000 | 0 0 | 100 0 |
| Lower Angwin (Pioneer) | 8/5/26 | 88.0 4.8 | 1523 | 45.9 6.5 | 0456 | - | - | - | 2.0 0.0 | 12.0 0.4 | 1542 | NW | 308 | - | - | - | - | 10 10 |
| Las Posadas (Cal Fire) | 8/5/26 | 91.0 4.0 | 1619 | 52.4 3.7 | 0638 | 53.5 1.5 | 95 1 | 33 5 | 9.0 0.9 | 21.4 1.5 | 2212 | WSW | 237 | 0.00 | 0.00 | 0.249 0.028 | 603 2 | - |
| Deer Park | 8/5/26 | 93.9 2.3 | 1536 | 55.2 1.9 | 0328 | 53.9 2.1 | 93 3 | 27 1 | 4.2 1.2 | 12.8 0.1 | 0709 | NW | 320 | 0.00 | 0.00 | 0.173 0.012 | 438 8 | 0 0 |
| Lower Chiles Valley (Brown) | 8/5/26 | 93.3 3.2 | 1639 | 54.8 2.6 | 0607 | 54.6 1.7 | 94 6 | 23 1 | 3.7 0.1 | 14.3 1.7 | 1400 | NW | 312 | 0.00 | 0.00 | 0.226 0.008 | 642 14 | 0 0 |
| Moss Creek Vineyard/Reservior | 8/5/26 | 99.7 3.8 | 1455 | 54.2 5.0 | 0643 | 52.5 3.0 | 89 3 | 13 7 | - | - | - | - | 0.00 | 0.00 | - | - | 0 0 |
| Max | 99.7 | - | 68.3 | - | 56.1 | 100 | 33 | 9.0 | 21.4 | - | - | 0.00 | 0.00 | 0.255 | 672 | - | |
| Avg | - | - | - | - | 53.6 | - | - | 3.8 | - | - | - | - | - | - | - | - | |
| Min | 87.2 | - | 45.9 | - | 47.6 | 51 | 12 | 1.8 | 12.0 | - | - | 0.00 | 0.00 | 0.064 | 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 | 8/5/26 | 94.4 6.9 | 1458 | 56.5 0.4 | 0059 | 55.2 2.2 | 92 4 | 27 1 | - | - | - | - | 0.00 | 0.00 | - | - | 0 0 |
| Diamond Mtn (Schramsberg) | 8/5/26 | 92.4 4.5 | 1611 | 53.3 4.3 | 0308 | 50.6 4.2 | 93 7 | 13 11 | - | - | - | - | 0.00 | 0.00 | - | - | 0 0 |
| Diamond Mtn (McEachran) | 8/5/26 | 90.9 7.7 | 1508 | 55.4 2.2 | 0057 | 51.9 4.4 | 93 1 | 18 6 | - | - | - | - | - | - | - | - | 0 0 |
| St. Helena-North | 8/5/26 | 97.1 1.7 | 1624 | 57.0 1.6 | 0343 | 52.9 2.1 | 82 4 | 23 4 | 2.0 | 9.9 3.5 | 0526 | WNW | 296 | 0.00 | 0.00 | 0.193 0.024 | 555 1 | 0 0 |
| St. Helena (NVV Office) | 8/5/26 | 94.7 0.6 | 1630 | 57.1 3.3 | 0426 | - | - | - | 1.9 | 9.7 0.3 | 1552 | E | 88 | 0.00 | 0.00 | - | - | 0 0 |
| Tiara Fria (East St. Helena) | 8/5/26 | 90.8 0.2 | 1534 | 56.2 2.5 | 0238 | 55.7 2.1 | 88 1 | 34 0 | 3.0 | 11.9 1.1 | 0621 | W | 275 | 0.00 | 0.00 | - | - | 0 0 |
| Prisoner Winery | 8/5/26 | 94.3 1.4 | 1535 | 53.8 1.5 | 0228 | 55.6 1.8 | 96 1 | 30 0 | 1.8 | 9.1 0.3 | 0846 | N | 349 | 0.00 | 0.00 | 0.210 0.043 | 633 138 | 0 0 |
| Rutherford Hill Estate | 8/5/26 | 92.0 1.6 | 1656 | 53.9 3.1 | 0545 | 55.5 2.0 | 94 6 | 33 0 | 1.5 | 10.7 4.8 | 1659 | S | 176 | 0.00 | 0.00 | 0.182 0.003 | 551 4 | 0 0 |
| Rutherford-North (Mee Ln) | 8/5/26 | 89.9 0.7 | 1511 | 52.7 0.2 | 0257 | 54.8 1.8 | 90 3 | 34 1 | 2.9 | 13.8 3.3 | 1622 | SE | 138 | 0.00 | 0.00 | 0.194 0.007 | 535 15 | 0 0 |
| Rutherford (STS) | 8/5/26 | 92.4 1.8 | 1509 | 51.7 0.8 | 0527 | 57.2 1.6 | 91 0 | 38 1 | 2.1 | 11.9 2.8 | 1716 | SE | 135 | 0.00 | 0.00 | 0.213 0.011 | 630 32 | 0 0 |
| Oakville-NE (Ranch 88) | 8/5/26 | 90.8 0.5 | 1500 | 50.2 2.6 | 0504 | 53.0 1.9 | 88 2 | 32 0 | 2.2 | 15.6 0.3 | 1909 | S | 182 | 0.00 | 0.00 | 0.203 0.008 | 571 21 | 90 20 |
| OV561-East | 8/5/26 | 91.7 0.4 | 1602 | 52.3 3.0 | 0505 | - | - | - | - | - | - | - | - | - | - | - | 0 0 |
| Oakville | 8/5/26 | 87.2 0.5 | 1503 | 50.8 3.2 | 0445 | 54.3 2.1 | 91 0 | 37 0 | 3.4 | 17.8 1.7 | 1915 | SSE | 162 | 0.00 | 0.00 | 0.217 0.006 | 622 23 | 30 10 |
| OV518-West | 8/5/26 | 86.3 1.0 | 1509 | 51.4 3.0 | 0443 | - | - | - | - | - | - | - | - | - | - | - | 30 10 |
| To Kalon Remote (TKKE) | 8/5/26 | 90.6 1.2 | 1452 | 52.0 2.5 | 0430 | - | - | - | - | - | - | - | - | - | - | - | 0 0 |
| To Kalon | 8/5/26 | 87.7 1.7 | 1459 | 51.5 2.9 | 0506 | 55.5 1.9 | 94 1 | 39 1 | 3.0 | 16.1 2.3 | 1523 | SE | 141 | 0.00 | 0.00 | 0.209 0.009 | 591 30 | 0 0 |
| To Kalon Remote (TKN5) | 8/5/26 | 90.6 1.4 | 1516 | 51.5 3.1 | 0453 | - | - | - | - | - | - | - | - | - | - | - | 0 0 |
| Yountville (Ranch 67) | 8/5/26 | 85.0 0.7 | 1506 | 50.0 3.0 | 0432 | 53.4 1.9 | 91 0 | 38 1 | 3.5 | 16.6 2.7 | 1926 | SSE | 158 | 0.00 | 0.00 | 0.215 0.008 | 663 3 | 70 20 |
| Stags Leap Dist (Silverado Vineyards) | 8/5/26 | 85.8 1.4 | 1548 | 50.9 2.8 | 0417 | 53.6 1.9 | 92 1 | 37 0 | 3.0 | 16.3 2.3 | 1718 | SSE | 162 | 0.00 | 0.00 | 0.212 0.007 | 618 14 | 50 10 |
| Borreo (Soda Canyon) | 8/5/26 | 84.8 1.6 | 1456 | 49.0 2.9 | 0445 | 52.8 1.6 | 95 1 | 37 0 | 1.8 | 10.0 0.3 | 1918 | S | 183 | 0.00 | 0.00 | 0.209 0.005 | 666 5 | 50 10 |
| Wappo Hill Floor | 8/5/26 | 86.5 0.7 | 1511 | 49.8 2.5 | 0411 | 55.0 1.7 | 100 0 | 39 0 | 3.0 | 13.2 2.2 | 1537 | S | 178 | 0.00 | 0.00 | 0.210 0.003 | 630 10 | 10 10 |
| Stags Leap Dist (Chimney Rock) | 8/5/26 | 84.8 1.4 | 1443 | 50.4 2.6 | 0417 | 56.5 1.6 | 97 1 | 46 0 | 2.6 | 13.4 1.2 | 1634 | S | 176 | 0.00 | 0.00 | 0.185 0.005 | 563 14 | 70 20 |
| Yountville-South (Ranch 87) | 8/5/26 | 87.2 2.1 | 1447 | 50.8 2.9 | 0445 | 55.2 1.6 | 93 0 | 38 1 | 1.6 | 11.3 0.8 | 1454 | SSE | 163 | 0.00 | 0.00 | 0.199 0.006 | 621 12 | 0 0 |
| Yountville-SE (Ranch 85) | 8/5/26 | 84.5 0.7 | 1539 | 52.2 1.0 | 0431 | 55.7 1.6 | 95 1 | 42 1 | 2.9 | 13.8 0.7 | 1546 | SSE | 161 | 0.00 | 0.00 | - | 0 0 | 100 20 |
| Oak Knoll-East (Ranch 53) | 8/5/26 | 84.9 0.9 | 1455 | 52.2 1.9 | 0519 | 54.4 1.4 | 91 1 | 38 0 | 2.6 | 15.2 1.4 | 1451 | SE | 139 | 0.00 | 0.00 | 0.207 0.007 | 639 29 | 10 10 |
| Napa-NW (Ranch 54) | 8/5/26 | 87.8 1.4 | 1626 | 51.5 2.3 | 0424 | 54.6 1.7 | 93 1 | 37 1 | 0.6 | 6.8 0.4 | 1542 | SSE | 156 | 0.00 | 0.00 | - | 0 0 | 0 0 |
| Napa-North (Ranch 29) | 8/5/26 | 82.8 0.6 | 1629 | 52.0 2.6 | 0514 | 55.6 1.4 | 100 0 | 43 1 | 1.8 | 14.1 1.8 | 1749 | SSW | 199 | 0.00 | 0.00 | 0.135 0.002 | 392 12 | 100 20 |
| Max | 97.1 | - | 57.1 | - | 57.2 | 100 | 46 | 3.5 | 17.8 | - | - | 0.00 | 0.00 | 0.217 | 666 | - | |
| Avg | - | - | - | - | 54.5 | - | - | 2.4 | - | - | - | - | - | - | - | - | |
| Min | 82.8 | - | 49.0 | - | 50.6 | 82 | 13 | 0.6 | 6.8 | - | - | 0.00 | 0.00 | 0.135 | 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 | 8/5/26 | 90.1 4.0 | 1535 | 51.5 9.1 | 0624 | 52.2 2.1 | 95 15 | 25 4 | 1.4 | 9.9 0.3 | 1443 | ESE | 116 | 0.00 | 0.00 | 0.186 0.014 | 585 22 | 50 10 |
| Mount George (Napa East) | 8/5/26 | 84.6 0.6 | 1438 | 54.4 2.7 | 0101 | 55.4 0.3 | 92 0 | 41 1 | 2.0 | 10.0 1.1 | 1444 | W | 272 | 0.00 | 0.00 | 0.190 0.009 | 604 33 | 100 20 |
| 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') | 8/5/26 | 82.7 2.6 | 1456 | 52.4 2.8 | 0535 | 53.9 1.3 | 100 5 | 41 1 | 3.2 | 11.3 0.1 | 1442 | SW | 233 | 0.00 | 0.00 | 0.193 0.010 | 622 22 | 100 20 |
| Wooden Valley | 8/5/26 | 87.3 2.3 | 1702 | 54.6 6.4 | 0642 | 52.1 1.9 | 89 18 | 32 0 | 4.8 | 16.4 1.2 | 0328 | SSW | 213 | 0.00 | 0.00 | 0.228 0.012 | 667 8 | 10 10 |
| Napa-West Upper (Truchard) | 8/5/26 | 83.8 1.2 | 1554 | 51.8 2.6 | 0510 | 31.0 6.3 | 100 0 | 0 0 | 3.2 | 15.6 0.3 | 1856 | ESE | 116 | 0.00 | 0.00 | 0.213 0.000 | 629 21 | 80 20 |
| Napa-West Lower (Truchard) | 8/5/26 | 82.7 1.8 | 1546 | 46.1 2.4 | 0534 | 53.0 1.6 | 94 0 | 42 1 | - | - | - | - | - | - | - | - | 100 20 |
| Napa-South (Toyon Farms) | 8/5/26 | 80.6 1.5 | 1423 | 54.1 0.8 | 0312 | 57.1 1.2 | 98 2 | 52 1 | 4.2 | 15.8 0.7 | 1847 | SSE | 163 | 0.00 | 0.00 | 0.115 0.005 | 333 12 | 100 0 |
| Toyon Remote 1 | 8/5/26 | 80.4 1.1 | 1546 | 49.4 1.6 | 0321 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 2 | 8/5/26 | 80.2 1.3 | 1433 | 50.6 0.4 | 0308 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 3 | 8/5/26 | 81.9 0.8 | 1621 | 49.4 0.9 | 0328 | - | - | - | - | - | - | - | - | - | - | - | - |
| Dealy Lane (Ranch 80) | 8/5/26 | 81.8 1.9 | 1600 | 54.9 2.4 | 0304 | 54.5 0.9 | 92 3 | 43 1 | 3.1 | 14.7 0.1 | 1322 | SE | 135 | 0.00 | 0.00 | 0.194 0.006 | 611 27 | 100 20 |
| Carneros (Saintsbury) | 8/5/26 | 79.3 0.7 | 1610 | 52.5 1.6 | 0404 | 54.4 0.6 | 94 6 | 47 1 | 5.6 | 16.7 0.5 | 1832 | SSE | 163 | 0.00 | 0.00 | - | - | 100 0 |
| Suscol Lower (Ranch 35) | 8/5/26 | 80.3 0.9 | 1542 | 52.6 2.2 | 0233 | 54.1 1.4 | 100 0 | 43 1 | 4.6 | 15.6 0.3 | 1906 | SSE | 160 | 0.00 | 0.00 | 0.191 0.002 | 573 13 | 100 10 |
| Suscol Mtn (Ranch 93) | 8/5/26 | 83.0 2.6 | 1650 | 53.4 2.2 | 0333 | 54.6 1.7 | 98 1 | 43 2 | 6.0 | 15.8 2.3 | 1111 | WNW | 301 | 0.00 | 0.00 | - | - | 100 20 |
| Suscol Upper (Ranch 92) | 8/5/26 | 81.9 1.1 | 1545 | 53.9 1.9 | 0335 | 35.1 7.4 | 100 0 | 0 0 | 2.8 | 12.4 0.1 | 1102 | WNW | 283 | 0.00 | 0.00 | - | - | 100 20 |
| Stanly (Ranch 45) | 8/5/26 | 78.7 1.4 | 1426 | 51.6 0.4 | 0221 | 54.5 1.0 | 92 2 | 47 1 | 5.4 | 17.1 0.4 | 1848 | WNW | 283 | 0.00 | 0.00 | 0.208 0.003 | 647 31 | 100 0 |
| Carneros Upper (Ranch 81) | 8/5/26 | 82.3 0.8 | 1603 | 55.3 1.0 | 0301 | 54.1 1.2 | - | - | 9.4 | 25.4 3.9 | 2218 | W | 266 | - | - | - | - | 100 20 |
| Carneros (Mitsuko) | 8/5/26 | 79.4 1.3 | 1706 | 54.1 5.9 | 0249 | - | - | - | - | - | - | - | - | - | - | - | 100 0 |
| Carneros Lower (Ranch 81) | 8/5/26 | 81.9 0.5 | 1436 | 54.9 2.5 | 0302 | 55.4 0.4 | 93 1 | 44 1 | 1.8 | 12.6 1.2 | 1502 | SSE | 164 | 0.00 | 0.00 | 0.193 0.002 | 604 25 | 100 10 |
| Carneros (Milton Rd) | 8/5/26 | 79.1 0.7 | 1427 | 53.4 3.9 | 0221 | 54.9 0.1 | 92 1 | 47 0 | - | - | - | - | 0.00 | 0.00 | - | - | 100 0 |
| Max | 90.1 | - | 55.3 | - | 57.1 | 100 | 52 | 9.4 | 25.4 | - | - | 0.00 | 0.00 | 0.228 | 667 | - | |
| Avg | - | - | - | - | 51.8 | - | - | 4.0 | - | - | - | - | - | - | - | - | |
| Min | 78.7 | - | 46.1 | - | 31.0 | 89 | 0 | 1.4 | 9.9 | - | - | 0.00 | 0.00 | 0.115 | 333 | - |