| 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 | 8/2/26 | 96.6 1.8 | 1626 | 60.1 1.3 | 0407 | - | - | - | - | - | - | - | 0.00 | 0.00 | - | - | 0 0 |
| Pope Valley (Weeks Lake) | 8/2/26 | 102.7 0.3 | 1531 | 51.0 2.0 | 0618 | 51.1 0.1 | 94 4 | 14 3 | 1.8 0.2 | 14.2 1.3 | 1721 | WSW | 248 | 0.00 | 0.00 | 0.235 0.008 | 602 2 | 0 0 |
| Dollarhide Base | 8/2/26 | 104.7 0.6 | 1244 | 59.1 2.9 | 0623 | 57.8 0.4 | 90 5 | 19 2 | 3.0 0.5 | 15.8 0.0 | 1710 | WSW | 241 | 0.00 | 0.00 | 0.280 0.018 | 676 4 | 0 0 |
| Dollarhide 1AS Remote | 8/2/26 | 106.5 1.4 | 1449 | 52.9 1.9 | 0620 | 55.6 0.6 | 90 2 | 18 3 | 2.4 0.3 | 15.5 1.0 | 1634 | SW | 218 | - | - | - | - | 0 0 |
| Dollarhide 16A Remote | 8/2/26 | 102.8 0.9 | 1227 | 57.6 2.1 | 0555 | 57.9 0.1 | 91 3 | 21 1 | - | - | - | - | - | - | - | - | 0 0 |
| Dollarhide 18A Remote | 8/2/26 | 101.3 1.1 | 1722 | 50.6 1.8 | 0616 | 56.6 0.4 | 97 3 | 18 6 | - | - | - | - | - | - | - | - | 0 0 |
| Hardin Rd (Eakle) | 8/2/26 | 104.6 1.0 | 1442 | 54.9 2.1 | 0618 | - | - | - | - | - | - | - | - | - | - | - | 0 0 |
| Angwin | 8/2/26 | 94.5 0.9 | 1537 | 72.8 1.6 | 0303 | 47.4 1.0 | 38 1 | 18 1 | 4.0 0.6 | 13.7 1.0 | 0807 | NNW | 343 | 0.00 | 0.00 | 0.094 0.013 | 0 0 | 100 0 |
| Lower Angwin (Pioneer) | 8/2/26 | 95.0 0.6 | 1555 | 53.5 4.6 | 0109 | - | - | - | 2.4 0.5 | 11.2 1.4 | 1535 | SW | 229 | - | - | - | - | 40 10 |
| Las Posadas (Cal Fire) | 8/2/26 | 98.9 1.9 | 1529 | 57.0 5.3 | 0532 | 52.6 1.8 | 86 13 | 18 5 | 6.4 0.8 | 18.3 2.0 | 1335 | SW | 232 | 0.00 | 0.00 | 0.297 0.014 | 597 4 | - |
| Deer Park | 8/2/26 | 103.1 4.5 | 1600 | 57.8 1.6 | 0635 | 54.8 1.7 | 92 4 | 13 13 | 2.3 0.5 | 12.9 0.7 | 1532 | WNW | 284 | 0.00 | 0.00 | 0.193 0.002 | 454 1 | 0 0 |
| Lower Chiles Valley (Brown) | 8/2/26 | 100.5 1.7 | 1608 | 51.4 3.9 | 0621 | 53.7 2.1 | 95 5 | 18 3 | 3.3 0.7 | 17.0 2.6 | 1450 | WNW | 302 | 0.00 | 0.00 | 0.248 0.005 | 655 6 | 0 0 |
| Moss Creek Vineyard/Reservior | 8/2/26 | 104.8 0.5 | 1514 | 57.1 3.1 | 0634 | 53.5 0.5 | 88 4 | 16 1 | - | - | - | - | 0.00 | 0.00 | - | - | 0 0 |
| Max | 106.5 | - | 72.8 | - | 57.9 | 97 | 21 | 6.4 | 18.3 | - | - | 0.00 | 0.00 | 0.297 | 676 | - | |
| Avg | - | - | - | - | 54.1 | - | - | 3.2 | - | - | - | - | - | - | - | - | |
| Min | 94.5 | - | 50.6 | - | 47.4 | 38 | 13 | 1.8 | 11.2 | - | - | 0.00 | 0.00 | 0.094 | 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 | 8/2/26 | 104.1 0.7 | 1608 | 54.0 0.1 | 0610 | 56.6 0.6 | 93 3 | 21 1 | - | - | - | - | 0.00 | 0.00 | - | - | 0 0 |
| Diamond Mtn (Schramsberg) | 8/2/26 | 102.4 2.2 | 1518 | 58.7 4.5 | 0619 | 52.8 1.6 | 90 10 | 15 1 | - | - | - | - | 0.00 | 0.00 | - | - | 0 0 |
| Diamond Mtn (McEachran) | 8/2/26 | 100.1 0.9 | 1532 | 58.3 2.2 | 0626 | 52.6 2.7 | 89 8 | 15 1 | - | - | - | - | - | - | - | - | 0 0 |
| St. Helena-North | 8/2/26 | 103.8 4.4 | 1535 | 55.7 0.1 | 0623 | 52.6 2.4 | 86 0 | 12 12 | 2.0 | 10.8 2.6 | 1542 | NW | 323 | 0.00 | 0.00 | 0.213 0.015 | 570 1 | 0 0 |
| St. Helena (NVV Office) | 8/2/26 | 105.0 6.5 | 1604 | 56.3 1.5 | 0609 | - | - | - | 1.4 | 9.2 0.1 | 1607 | WNW | 290 | 0.00 | 0.00 | - | - | 0 0 |
| Tiara Fria (East St. Helena) | 8/2/26 | 102.1 7.2 | 1639 | 54.0 1.5 | 0549 | 56.1 1.2 | 88 2 | 17 13 | 1.8 | 11.1 0.7 | 1904 | ESE | 117 | 0.00 | 0.00 | - | - | 0 0 |
| Prisoner Winery | 8/2/26 | 103.9 4.5 | 1616 | 52.3 0.9 | 0616 | 56.3 1.0 | 97 1 | 15 12 | 1.0 | 10.7 2.3 | 1643 | SSW | 200 | 0.00 | 0.00 | 0.042 0.001 | 34 86 | 0 0 |
| Rutherford Hill Estate | 8/2/26 | 101.7 4.8 | 1553 | 57.4 0.6 | 0619 | 57.6 0.0 | 100 6 | 22 6 | 1.3 | 10.5 1.1 | 1619 | SSE | 165 | 0.00 | 0.00 | 0.196 0.008 | 555 9 | 0 0 |
| Rutherford-North (Mee Ln) | 8/2/26 | 103.6 9.3 | 1715 | 50.4 0.0 | 0528 | 55.5 0.6 | 90 2 | 17 15 | 2.4 | 13.2 2.2 | 1853 | SE | 135 | 0.00 | 0.00 | 0.216 0.010 | 559 15 | 0 0 |
| Rutherford (STS) | 8/2/26 | 102.9 6.3 | 1546 | 51.3 0.6 | 0601 | 59.5 0.3 | 92 0 | 25 10 | 1.6 | 15.2 0.2 | 1657 | SW | 236 | 0.00 | 0.00 | 0.234 0.008 | 662 16 | 0 0 |
| Oakville-NE (Ranch 88) | 8/2/26 | 100.5 5.4 | 1607 | 50.0 0.9 | 0545 | 53.9 0.8 | 86 0 | 23 6 | 2.0 | 14.1 0.7 | 1838 | S | 186 | 0.00 | 0.00 | 0.224 0.011 | 603 24 | 90 10 |
| OV561-East | 8/2/26 | 103.4 7.2 | 1553 | 52.4 1.7 | 0604 | - | - | - | - | - | - | - | - | - | - | - | 0 0 |
| Oakville | 8/2/26 | 97.6 6.4 | 1521 | 51.2 0.9 | 0556 | 55.7 0.7 | 90 0 | 27 7 | 3.2 | 13.8 2.7 | 1930 | SE | 127 | 0.00 | 0.00 | 0.243 0.012 | 650 12 | 60 10 |
| OV518-West | 8/2/26 | 96.8 5.9 | 1548 | 51.9 0.7 | 0603 | - | - | - | - | - | - | - | - | - | - | - | 60 10 |
| To Kalon Remote (TKKE) | 8/2/26 | 102.0 5.6 | 1609 | 52.1 0.1 | 0612 | - | - | - | - | - | - | - | - | - | - | - | 0 0 |
| To Kalon | 8/2/26 | 99.1 5.3 | 1636 | 52.9 0.5 | 0609 | 57.5 0.1 | 94 0 | 25 8 | 2.8 | 13.6 2.4 | 1844 | SSE | 153 | 0.00 | 0.00 | 0.235 0.014 | 622 26 | 20 10 |
| To Kalon Remote (TKN5) | 8/2/26 | 102.8 6.6 | 1548 | 52.3 0.0 | 0617 | - | - | - | - | - | - | - | - | - | - | - | 0 0 |
| Yountville (Ranch 67) | 8/2/26 | 95.2 5.2 | 1538 | 51.2 2.2 | 0616 | 55.0 1.0 | 91 0 | 28 6 | 3.1 | 14.8 2.1 | 1615 | ESE | 102 | 0.00 | 0.00 | 0.242 0.012 | 674 20 | 70 10 |
| Stags Leap Dist (Silverado Vineyards) | 8/2/26 | 97.3 5.9 | 1540 | 51.8 2.7 | 0644 | 55.2 0.8 | 93 1 | 26 6 | 2.7 | 14.3 2.9 | 1738 | ESE | 114 | 0.00 | 0.00 | 0.240 0.016 | 636 27 | 80 10 |
| Borreo (Soda Canyon) | 8/2/26 | 95.1 4.2 | 1528 | 51.8 2.0 | 0628 | 54.0 1.0 | 96 3 | 26 4 | 1.7 | 10.8 1.4 | 1652 | E | 96 | 0.00 | 0.00 | 0.231 0.012 | 677 13 | 80 10 |
| Wappo Hill Floor | 8/2/26 | 96.9 5.1 | 1515 | 50.2 2.5 | 0553 | 55.8 1.3 | 91 9 | 29 5 | 2.4 | 12.5 0.5 | 1551 | SSE | 150 | 0.00 | 0.00 | 0.234 0.014 | 653 18 | 40 10 |
| Stags Leap Dist (Chimney Rock) | 8/2/26 | 96.3 5.5 | 1505 | 50.5 4.0 | 0613 | 58.2 0.8 | 98 3 | 35 5 | 2.5 | 14.0 1.6 | 1618 | SE | 132 | 0.00 | 0.00 | 0.211 0.014 | 582 17 | 70 10 |
| Yountville-South (Ranch 87) | 8/2/26 | 98.6 5.6 | 1526 | 52.0 0.8 | 0625 | 56.8 0.2 | 100 8 | 27 5 | 1.6 | 9.4 0.4 | 1537 | SSE | 162 | 0.00 | 0.00 | 0.219 0.013 | 635 23 | 0 0 |
| Yountville-SE (Ranch 85) | 8/2/26 | 94.7 4.6 | 1540 | 51.9 2.2 | 0558 | 57.3 0.6 | 95 0 | 31 5 | 2.4 | 13.3 0.4 | 1541 | S | 169 | 0.00 | 0.00 | - | 0 0 | 70 10 |
| Oak Knoll-East (Ranch 53) | 8/2/26 | 95.9 5.5 | 1545 | 52.7 0.9 | 0541 | 55.7 0.1 | 90 1 | 27 6 | 2.1 | 11.9 1.6 | 1532 | SSW | 194 | 0.00 | 0.00 | 0.233 0.018 | 671 34 | 40 10 |
| Napa-NW (Ranch 54) | 8/2/26 | 100.4 6.9 | 1654 | 53.0 1.1 | 0454 | 56.1 0.0 | 92 7 | 21 9 | 0.5 | 7.1 0.9 | 1431 | SE | 127 | 0.00 | 0.00 | - | 0 0 | 0 0 |
| Napa-North (Ranch 29) | 8/2/26 | 92.0 3.7 | 1440 | 52.9 0.1 | 0612 | 57.3 0.4 | 100 0 | 33 5 | 2.0 | 14.3 2.7 | 1547 | S | 190 | 0.00 | 0.00 | 0.149 0.005 | 374 14 | 70 10 |
| Max | 105.0 | - | 58.7 | - | 59.5 | 100 | 35 | 3.2 | 15.2 | - | - | 0.00 | 0.00 | 0.243 | 677 | - | |
| Avg | - | - | - | - | 55.8 | - | - | 2.0 | - | - | - | - | - | - | - | - | |
| Min | 92.0 | - | 50.0 | - | 52.6 | 86 | 12 | 0.5 | 7.1 | - | - | 0.00 | 0.00 | 0.042 | 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 | 8/2/26 | 95.5 2.2 | 1455 | 65.1 8.4 | 0450 | 50.8 1.9 | 63 23 | 23 2 | 1.9 | 13.6 1.5 | 1423 | SSE | 152 | 0.00 | 0.00 | 0.365 0.137 | 1,153 462 | 20 20 |
| Mount George (Napa East) | 8/2/26 | 93.7 4.1 | 1511 | 52.0 8.0 | 0643 | 54.9 2.5 | 95 4 | 27 6 | 1.2 | 9.2 0.2 | 1436 | W | 267 | 0.00 | 0.00 | 0.212 0.008 | 641 13 | 70 10 |
| Napa-East (Palmaz 300') | 8/2/26 | 98.1 3.2 | 1435 | 55.0 3.5 | 0604 | 56.0 0.9 | 94 2 | 25 3 | 1.3 | 10.2 0.8 | 1509 | SW | 216 | 0.00 | 0.00 | 0.193 0.006 | 532 3 | 20 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') | 8/2/26 | 92.8 2.1 | 1545 | 53.4 0.4 | 0607 | 54.5 1.3 | 95 5 | 28 3 | 2.2 | 12.7 2.2 | 1607 | SW | 235 | 0.00 | 0.00 | 0.228 0.010 | 643 3 | 70 10 |
| Wooden Valley | 8/2/26 | 97.3 2.4 | 1530 | 57.4 0.2 | 0655 | 52.7 0.9 | 84 0 | 21 0 | 2.7 | 14.5 1.7 | 1722 | SSW | 207 | 0.00 | 0.00 | 0.251 0.006 | 656 9 | 40 10 |
| Napa-West Upper (Truchard) | 8/2/26 | 93.8 4.5 | 1431 | 55.5 2.1 | 0620 | 37.5 12.6 | 100 0 | 0 0 | 2.7 | 13.3 0.6 | 1505 | SSW | 205 | 0.00 | 0.00 | 0.242 0.021 | 658 23 | 50 10 |
| Napa-West Lower (Truchard) | 8/2/26 | 93.5 4.5 | 1416 | 47.7 1.4 | 0556 | 54.5 0.5 | 94 1 | 30 5 | - | - | - | - | - | - | - | - | 70 10 |
| Napa-South (Toyon Farms) | 8/2/26 | 91.4 5.4 | 1356 | 55.8 1.3 | 0609 | 59.9 0.5 | 100 0 | 40 5 | 3.2 | 12.8 0.8 | 1822 | S | 174 | 0.00 | 0.00 | 0.131 0.010 | 318 11 | 90 10 |
| Toyon Remote 1 | 8/2/26 | 91.5 6.2 | 1438 | 51.1 1.2 | 0451 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 2 | 8/2/26 | 91.4 5.6 | 1422 | 50.8 1.3 | 0429 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 3 | 8/2/26 | 91.9 5.5 | 1357 | 49.6 0.1 | 0451 | - | - | - | - | - | - | - | - | - | - | - | - |
| Dealy Lane (Ranch 80) | 8/2/26 | 93.7 7.0 | 1704 | 51.6 0.5 | 0455 | 55.9 0.1 | 96 0 | 29 7 | 2.1 | 12.6 1.1 | 1516 | SSE | 157 | 0.00 | 0.00 | 0.221 0.022 | 647 38 | 70 10 |
| Carneros (Saintsbury) | 8/2/26 | 89.1 5.0 | 1538 | 50.7 0.8 | 0505 | 56.1 0.2 | 100 0 | 34 6 | 3.4 | 14.6 0.6 | 1819 | S | 171 | 0.00 | 0.00 | - | - | 90 10 |
| Suscol Lower (Ranch 35) | 8/2/26 | 91.6 5.2 | 1408 | 55.0 0.4 | 0610 | 55.1 0.8 | 100 0 | 30 4 | 4.1 | 13.8 0.8 | 1515 | SSW | 209 | 0.00 | 0.00 | 0.224 0.025 | 604 33 | 80 10 |
| Suscol Mtn (Ranch 93) | 8/2/26 | 96.1 5.2 | 1538 | 55.8 0.8 | 0529 | 55.3 1.0 | 96 3 | 27 6 | 2.8 | 12.9 1.2 | 1356 | WNW | 287 | 0.00 | 0.00 | - | - | 70 10 |
| Suscol Upper (Ranch 92) | 8/2/26 | 92.5 4.1 | 1508 | 55.7 0.1 | 0631 | 42.2 21.0 | 100 0 | 0 0 | 0.7 | 10.2 0.5 | 1415 | SW | 225 | 0.00 | 0.00 | - | - | 70 10 |
| Stanly (Ranch 45) | 8/2/26 | 88.6 3.4 | 1619 | 52.7 2.2 | 0346 | 56.3 0.0 | 94 0 | 34 4 | 4.0 | 13.0 0.5 | 1519 | SSW | 200 | 0.00 | 0.00 | 0.238 0.023 | 680 30 | 90 10 |
| Carneros Upper (Ranch 81) | 8/2/26 | 93.2 5.7 | 1619 | 56.7 1.5 | 0544 | 56.3 5.9 | - | - | 3.4 | 15.0 0.4 | 1719 | S | 191 | - | - | - | - | 70 10 |
| Carneros (Mitsuko) | 8/2/26 | 90.3 5.8 | 1643 | 47.9 0.0 | 0429 | - | - | - | - | - | - | - | - | - | - | - | 90 10 |
| Carneros Lower (Ranch 81) | 8/2/26 | 91.6 4.2 | 1533 | 53.4 1.4 | 0432 | 53.2 2.1 | 100 0 | 0 0 | 1.8 | 11.8 0.3 | 1558 | SSE | 158 | 0.00 | 0.00 | 0.216 0.018 | 633 25 | 80 10 |
| Carneros (Milton Rd) | 8/2/26 | 88.6 4.7 | 1418 | 51.4 0.6 | 0402 | 56.0 0.4 | 93 1 | 34 6 | - | - | - | - | 0.00 | 0.00 | - | - | 90 10 |
| Max | 98.1 | - | 65.1 | - | 59.9 | 100 | 40 | 4.1 | 15.0 | - | - | 0.00 | 0.00 | 0.365 | 1,153 | - | |
| Avg | - | - | - | - | 53.4 | - | - | 2.5 | - | - | - | - | - | - | - | - | |
| Min | 88.6 | - | 47.7 | - | 37.5 | 63 | 0 | 0.7 | 9.2 | - | - | 0.00 | 0.00 | 0.131 | 318 | - |