| 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 | 7/28/26 | 90.6 2.0 | 1430 | 54.2 4.1 | 0401 | - | - | - | - | - | - | - | 0.00 | 0.00 | - | - | 20 10 |
| Pope Valley (Weeks Lake) | 7/28/26 | 95.7 2.7 | 1542 | 46.3 2.7 | 0456 | 50.2 1.0 | 98 1 | 21 0 | 1.7 0.0 | 13.2 0.7 | 1731 | SW | 215 | 0.00 | 0.00 | 0.224 0.003 | 610 14 | 0 0 |
| Dollarhide Base | 7/28/26 | 98.6 3.7 | 1522 | 54.0 1.6 | 0601 | 55.0 0.7 | 91 3 | 25 4 | 2.9 0.3 | 16.0 1.5 | 1749 | SW | 221 | 0.00 | 0.00 | 0.265 0.002 | 691 18 | 0 0 |
| Dollarhide 1AS Remote | 7/28/26 | 100.7 4.2 | 1512 | 46.9 2.7 | 0616 | 52.7 0.9 | 88 2 | 24 3 | 2.6 0.2 | 16.7 0.7 | 1800 | SSW | 211 | - | - | - | - | 0 0 |
| Dollarhide 16A Remote | 7/28/26 | 98.5 3.1 | 1622 | 52.2 1.9 | 0607 | 54.4 0.5 | 88 5 | 24 4 | - | - | - | - | - | - | - | - | 0 0 |
| Dollarhide 18A Remote | 7/28/26 | 96.4 3.9 | 1559 | 44.8 2.7 | 0601 | 52.2 1.0 | 92 4 | 25 5 | - | - | - | - | - | - | - | - | 0 0 |
| Hardin Rd (Eakle) | 7/28/26 | 97.7 3.3 | 1510 | 50.2 2.3 | 0622 | - | - | - | - | - | - | - | - | - | - | - | 0 0 |
| Angwin | 7/28/26 | 87.2 3.0 | 1621 | 63.7 2.5 | 0441 | 45.4 4.2 | 48 6 | 24 8 | 3.3 0.6 | 16.0 2.9 | 1848 | SE | 144 | 0.00 | 0.00 | 0.073 0.012 | 0 0 | 100 0 |
| Lower Angwin (Pioneer) | 7/28/26 | 89.6 4.3 | 1657 | 44.3 3.5 | 0154 | - | - | - | 1.9 0.0 | 11.0 2.1 | 1634 | WNW | 282 | - | - | - | - | 90 10 |
| Las Posadas (Cal Fire) | 7/28/26 | 90.5 3.0 | 1631 | 50.4 2.1 | 0611 | 52.2 1.1 | 87 7 | 31 2 | 8.0 0.9 | 19.4 0.9 | 1403 | WSW | 240 | 0.00 | 0.00 | 0.266 0.004 | 609 15 | - |
| Deer Park | 7/28/26 | 93.1 3.4 | 1542 | 53.5 2.0 | 0609 | 53.2 1.4 | 84 9 | 28 0 | 3.0 0.3 | 12.6 0.7 | 1514 | SSE | 159 | 0.00 | 0.00 | 0.190 0.006 | 461 9 | 30 10 |
| Lower Chiles Valley (Brown) | 7/28/26 | 93.2 3.0 | 1625 | 52.0 3.9 | 0549 | 51.6 1.2 | 87 6 | 24 1 | 3.9 0.3 | 15.8 1.3 | 1603 | WNW | 284 | 0.00 | 0.00 | 0.237 0.006 | 666 17 | 0 0 |
| Moss Creek Vineyard/Reservior | 7/28/26 | 97.3 3.8 | 1604 | 52.2 2.3 | 0626 | 51.2 1.0 | 89 6 | 20 2 | - | - | - | - | 0.00 | 0.00 | - | - | 0 0 |
| Max | 100.7 | - | 63.7 | - | 55.0 | 98 | 31 | 8.0 | 19.4 | - | - | 0.00 | 0.00 | 0.266 | 691 | - | |
| Avg | - | - | - | - | 51.8 | - | - | 3.4 | - | - | - | - | - | - | - | - | |
| Min | 87.2 | - | 44.3 | - | 45.4 | 48 | 20 | 1.7 | 11.0 | - | - | 0.00 | 0.00 | 0.073 | 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 | 7/24/26 | 96.7 3.5 | 1504 | 50.9 2.2 | 0705 | 53.9 3.1 | 95 2 | 20 12 | - | - | - | - | 0.00 | 0.00 | - | - | 10 10 |
| Diamond Mtn (Schramsberg) | 7/28/26 | 95.2 3.7 | 1609 | 55.2 3.1 | 0615 | 51.3 2.2 | 83 5 | 18 3 | - | - | - | - | 0.00 | 0.00 | - | - | 30 10 |
| Diamond Mtn (McEachran) | 7/28/26 | 95.3 3.0 | 1613 | 54.6 2.6 | 0634 | 51.8 1.8 | 80 6 | 20 3 | - | - | - | - | - | - | - | - | 30 10 |
| St. Helena-North | 7/28/26 | 94.5 3.3 | 1600 | 51.6 2.2 | 0601 | 51.2 1.6 | 81 5 | 26 2 | 3.2 | 14.0 0.9 | 1705 | SE | 139 | 0.00 | 0.00 | 0.229 0.010 | 584 15 | 0 0 |
| St. Helena (NVV Office) | 7/28/26 | 93.9 3.0 | 1632 | 52.0 2.1 | 0626 | - | - | - | 1.5 | 10.0 0.7 | 1537 | E | 79 | 0.00 | 0.00 | - | - | 0 0 |
| Tiara Fria (East St. Helena) | 7/28/26 | 90.8 3.1 | 1624 | 49.6 1.9 | 0613 | 53.8 2.2 | 87 2 | 33 1 | 2.2 | 12.6 0.1 | 1654 | SE | 134 | 0.00 | 0.00 | - | - | 0 0 |
| Prisoner Winery | 7/28/26 | 94.5 3.0 | 1619 | 48.0 1.7 | 0615 | 54.2 2.2 | 96 1 | 29 2 | 1.4 | 8.8 0.2 | 1700 | SE | 140 | 0.00 | 0.00 | 0.216 0.162 | 634 520 | 0 0 |
| Rutherford Hill Estate | 7/28/26 | 92.5 3.8 | 1621 | 53.1 1.0 | 0615 | 54.6 1.5 | 92 8 | 31 1 | 1.6 | 13.2 1.8 | 1752 | S | 171 | 0.00 | 0.00 | 0.192 0.000 | 565 11 | 0 0 |
| Rutherford-North (Mee Ln) | 7/28/26 | 90.2 2.3 | 1627 | 46.2 2.3 | 0540 | 53.0 2.3 | 89 0 | 33 2 | 3.0 | 17.1 1.1 | 1650 | SE | 133 | 0.00 | 0.00 | 0.211 0.001 | 566 11 | 10 10 |
| Rutherford (STS) | 7/28/26 | 92.2 3.3 | 1507 | 46.5 2.3 | 0620 | 56.2 2.2 | 92 0 | 37 1 | 2.1 | 13.2 0.1 | 1700 | SE | 138 | 0.00 | 0.00 | 0.228 0.000 | 672 17 | 0 0 |
| Oakville-NE (Ranch 88) | 7/28/26 | 90.5 1.9 | 1622 | 45.4 2.2 | 0610 | 51.0 2.3 | 82 2 | 31 3 | 2.6 | 15.9 1.4 | 1600 | SSW | 192 | 0.00 | 0.00 | 0.221 0.004 | 614 14 | 100 0 |
| OV561-East | 7/28/26 | 92.0 0.5 | 1555 | 48.4 1.7 | 0613 | - | - | - | - | - | - | - | - | - | - | - | 0 10 |
| Oakville | 7/28/26 | 87.9 2.2 | 1620 | 46.9 1.9 | 0614 | 53.1 2.4 | 90 1 | 35 3 | 3.7 | 19.5 2.3 | 1811 | ESE | 118 | 0.00 | 0.00 | 0.236 0.002 | 665 18 | 90 10 |
| OV518-West | 7/28/26 | 87.3 1.5 | 1606 | 47.9 1.5 | 0606 | - | - | - | - | - | - | - | - | - | - | - | 90 10 |
| To Kalon Remote (TKKE) | 7/28/26 | 91.7 2.9 | 1616 | 47.6 2.2 | 0608 | - | - | - | - | - | - | - | - | - | - | - | 0 0 |
| To Kalon | 7/28/26 | 89.3 2.7 | 1559 | 47.9 2.1 | 0611 | 54.4 2.2 | 92 2 | 36 3 | 3.5 | 16.2 0.3 | 1645 | SE | 142 | 0.00 | 0.00 | 0.230 0.003 | 636 15 | 70 10 |
| To Kalon Remote (TKN5) | 7/28/26 | 91.9 3.0 | 1606 | 47.6 1.8 | 0551 | - | - | - | - | - | - | - | - | - | - | - | 0 0 |
| Yountville (Ranch 67) | 7/28/26 | 86.2 1.8 | 1559 | 46.2 1.7 | 0546 | 52.4 2.3 | 91 0 | 35 3 | 3.6 | 18.0 1.8 | 1624 | E | 85 | 0.00 | 0.00 | 0.227 0.005 | 683 15 | 90 10 |
| Stags Leap Dist (Silverado Vineyards) | 7/28/26 | 87.7 1.4 | 1621 | 46.7 1.7 | 0529 | 52.5 2.2 | 92 1 | 33 4 | 3.3 | 15.8 0.4 | 1507 | SE | 137 | 0.00 | 0.00 | 0.227 0.001 | 643 17 | 100 10 |
| Borreo (Soda Canyon) | 7/28/26 | 85.0 2.1 | 1603 | 47.4 1.4 | 0513 | 51.9 2.0 | 95 2 | 36 4 | 2.0 | 10.3 0.9 | 1648 | S | 169 | 0.00 | 0.00 | 0.220 0.000 | 689 18 | 100 0 |
| Wappo Hill Floor | 7/28/26 | 88.1 0.8 | 1556 | 46.6 2.1 | 0527 | 53.8 2.2 | 100 0 | 36 6 | 3.0 | 14.4 0.8 | 1516 | E | 99 | 0.00 | 0.00 | 0.228 0.002 | 670 16 | 90 10 |
| Stags Leap Dist (Chimney Rock) | 7/28/26 | 87.0 1.7 | 1546 | 46.0 2.4 | 0559 | 55.4 2.3 | 97 1 | 42 4 | 2.8 | 14.4 0.9 | 1642 | ESE | 106 | 0.00 | 0.00 | 0.202 0.002 | 596 14 | 90 10 |
| Yountville-South (Ranch 87) | 7/28/26 | 88.5 2.3 | 1607 | 47.4 1.6 | 0610 | 54.2 2.3 | 96 1 | 36 4 | 1.8 | 11.7 2.0 | 1724 | SE | 125 | 0.00 | 0.00 | 0.213 0.000 | 654 18 | 10 10 |
| Yountville-SE (Ranch 85) | 7/28/26 | 86.0 1.2 | 1541 | 47.8 1.8 | 0621 | 54.8 2.3 | 94 1 | 39 5 | 3.1 | 14.4 0.4 | 1507 | SSE | 156 | 0.00 | 0.00 | - | 0 0 | 90 10 |
| Oak Knoll-East (Ranch 53) | 7/28/26 | 87.5 1.1 | 1553 | 48.3 1.6 | 0530 | 53.4 2.2 | 89 1 | 35 6 | 2.7 | 16.1 1.5 | 1647 | SE | 127 | 0.00 | 0.00 | 0.226 0.001 | 685 17 | 90 10 |
| Napa-NW (Ranch 54) | 7/28/26 | 91.2 0.0 | 1637 | 49.1 1.1 | 0454 | 53.8 2.6 | 90 0 | 32 7 | 0.6 | 7.6 2.9 | 1838 | SE | 140 | 0.00 | 0.00 | - | 0 0 | 30 10 |
| Napa-North (Ranch 29) | 7/28/26 | 85.4 0.5 | 1546 | 49.0 1.7 | 0624 | 54.9 1.9 | 100 0 | 38 6 | 1.8 | 13.4 0.0 | 1429 | SSW | 196 | 0.00 | 0.00 | 0.139 0.002 | 386 13 | 100 0 |
| Max | 95.3 | - | 55.2 | - | 56.2 | 100 | 42 | 3.7 | 19.5 | - | - | 0.00 | 0.00 | 0.236 | 689 | - | |
| Avg | - | - | - | - | 53.4 | - | - | 2.5 | - | - | - | - | - | - | - | - | |
| Min | 85.0 | - | 45.4 | - | 51.0 | 80 | 18 | 0.6 | 7.6 | - | - | 0.00 | 0.00 | 0.139 | 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 | 7/28/26 | 86.3 0.2 | 1540 | 57.8 3.6 | 0616 | 50.9 2.0 | 73 10 | 30 14 | 1.8 | 12.0 0.4 | 1428 | SE | 134 | 0.00 | 0.00 | 0.315 0.111 | 1,098 415 | 30 10 |
| Mount George (Napa East) | 7/28/26 | 84.1 1.1 | 1536 | 49.9 0.1 | 0627 | 53.6 1.5 | 94 2 | 37 5 | 1.6 | 10.3 0.4 | 1653 | SSE | 149 | 0.00 | 0.00 | 0.204 0.002 | 654 6 | 100 0 |
| Napa-East (Palmaz 300') | 7/28/26 | 90.0 3.4 | 1608 | 51.0 0.3 | 0656 | 54.0 1.2 | 100 0 | 32 3 | 1.5 | 10.7 0.4 | 1421 | WSW | 244 | 0.00 | 0.00 | 0.188 0.003 | 539 9 | 70 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') | 7/28/26 | 83.5 4.4 | 1545 | 49.7 1.8 | 0438 | 53.7 1.2 | 100 0 | 40 2 | 2.8 | 11.9 1.9 | 1411 | SW | 236 | 0.00 | 0.00 | 0.205 0.004 | 648 13 | 100 0 |
| Wooden Valley | 7/28/26 | 88.1 4.6 | 1611 | 58.2 2.6 | 0540 | 51.7 1.2 | 72 8 | 31 1 | 4.1 | 13.8 3.1 | 1624 | S | 188 | 0.00 | 0.00 | 0.237 0.003 | 675 20 | 90 10 |
| Napa-West Upper (Truchard) | 7/28/26 | 87.9 0.4 | 1620 | 51.4 1.0 | 0550 | 49.3 19.0 | 100 0 | 0 0 | 3.4 | 14.9 2.4 | 1443 | SE | 144 | 0.00 | 0.00 | 0.230 0.003 | 663 17 | 40 10 |
| Napa-West Lower (Truchard) | 7/28/26 | 86.9 0.5 | 1618 | 43.9 1.1 | 0508 | 52.5 2.8 | 94 1 | 35 8 | - | - | - | - | - | - | - | - | 70 10 |
| Napa-South (Toyon Farms) | 7/28/26 | 83.9 0.1 | 1625 | 51.2 1.0 | 0632 | 57.3 2.1 | 99 1 | 47 9 | 4.2 | 15.7 1.9 | 1748 | SSE | 149 | 0.00 | 0.00 | 0.122 0.001 | 321 10 | 100 0 |
| Toyon Remote 1 | 7/28/26 | 84.3 2.3 | 1652 | 46.9 0.8 | 0435 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 2 | 7/28/26 | 83.7 1.5 | 1617 | 46.5 1.1 | 0601 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 3 | 7/28/26 | 85.0 2.8 | 1626 | 46.5 0.9 | 0602 | - | - | - | - | - | - | - | - | - | - | - | - |
| Dealy Lane (Ranch 80) | 7/28/26 | 86.2 1.9 | 1614 | 47.8 0.9 | 0451 | 53.6 2.3 | 94 0 | 36 4 | 2.5 | 14.7 1.1 | 1309 | SSE | 148 | 0.00 | 0.00 | 0.209 0.002 | 646 17 | 90 10 |
| Carneros (Saintsbury) | 7/28/26 | 83.1 1.7 | 1621 | 47.5 1.1 | 0619 | 54.3 2.6 | 96 4 | 40 9 | 5.0 | 17.6 0.8 | 1719 | S | 171 | 0.00 | 0.00 | - | - | 100 0 |
| Suscol Lower (Ranch 35) | 7/28/26 | 84.1 0.3 | 1524 | 50.9 0.7 | 0624 | 54.1 1.8 | 100 0 | 38 9 | 4.8 | 14.6 2.8 | 1718 | SSW | 213 | 0.00 | 0.00 | 0.210 0.001 | 597 15 | 100 0 |
| Suscol Mtn (Ranch 93) | 7/28/26 | 87.1 4.4 | 1551 | 53.8 1.3 | 0633 | 54.9 1.5 | 95 0 | 37 6 | 4.1 | 15.6 3.6 | 1637 | NW | 324 | 0.00 | 0.00 | - | - | 90 10 |
| Suscol Upper (Ranch 92) | 7/28/26 | 83.5 2.4 | 1611 | 54.1 0.9 | 0639 | 54.3 1.4 | 93 1 | 37 3 | 3.2 | 14.3 2.7 | 1837 | SSW | 209 | 0.00 | 0.00 | - | - | 100 0 |
| Stanly (Ranch 45) | 7/28/26 | 83.2 1.3 | 1524 | 48.2 0.5 | 0346 | 54.3 2.2 | 94 0 | 39 9 | 5.6 | 16.5 1.4 | 1730 | S | 184 | 0.00 | 0.00 | 0.240 0.005 | 718 22 | 100 0 |
| Carneros Upper (Ranch 81) | 7/28/26 | 85.1 2.7 | 1608 | 53.6 0.1 | 0626 | 53.7 1.7 | - | - | 4.6 | 19.4 6.9 | 1620 | SSW | 213 | - | - | - | - | 100 0 |
| Carneros (Mitsuko) | 7/28/26 | 85.0 0.2 | 1623 | 44.7 0.6 | 0431 | - | - | - | - | - | - | - | - | - | - | - | 100 0 |
| Carneros Lower (Ranch 81) | 7/28/26 | 84.6 5.5 | 1550 | 48.9 1.6 | 0626 | 53.2 2.4 | 100 0 | 0 0 | - | 14.2 0.9 | 1427 | SSE | 164 | 0.00 | 0.00 | 0.204 0.005 | 626 17 | 70 20 |
| Carneros (Milton Rd) | 7/28/26 | 82.1 3.1 | 1604 | 45.5 1.9 | 0329 | 53.8 2.6 | 93 1 | 40 11 | - | - | - | - | 0.00 | 0.00 | - | - | 100 0 |
| Max | 90.0 | - | 58.2 | - | 57.3 | 100 | 47 | 5.6 | 19.4 | - | - | 0.00 | 0.00 | 0.315 | 1,098 | - | |
| Avg | - | - | - | - | 53.5 | - | - | 3.5 | - | - | - | - | - | - | - | - | |
| Min | 82.1 | - | 43.9 | - | 49.3 | 72 | 0 | 1.5 | 10.3 | - | - | 0.00 | 0.00 | 0.122 | 321 | - |