| 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 | 7/27/26 | 88.6 0.9 | 1516 | 50.0 1.0 | 0544 | - | - | - | - | - | - | - | 0.00 | 0.00 | - | - | 30 10 |
| Pope Valley (Weeks Lake) | 7/27/26 | 93.0 0.6 | 1621 | 43.5 0.3 | 0533 | 49.2 0.1 | 100 0 | 20 2 | 1.8 0.3 | 12.5 3.5 | 1528 | WSW | 257 | 0.00 | 0.00 | 0.221 0.009 | 624 3 | 0 0 |
| Dollarhide Base | 7/27/26 | 94.9 0.6 | 1444 | 52.4 0.6 | 0623 | 54.3 0.1 | 94 1 | 29 1 | 3.2 0.6 | 14.5 7.2 | 1717 | SW | 228 | 0.00 | 0.00 | 0.263 0.014 | 708 8 | 0 0 |
| Dollarhide 1AS Remote | 7/27/26 | 96.5 0.1 | 1454 | 44.2 1.0 | 0608 | 51.8 0.4 | 90 0 | 27 0 | 2.8 0.6 | 17.4 1.8 | 1715 | SW | 216 | - | - | - | - | 0 0 |
| Dollarhide 16A Remote | 7/27/26 | 95.4 0.3 | 1429 | 50.3 0.6 | 0652 | 53.9 0.2 | 94 1 | 28 0 | - | - | - | - | - | - | - | - | 0 0 |
| Dollarhide 18A Remote | 7/27/26 | 92.5 1.5 | 1514 | 42.1 1.0 | 0605 | 51.2 0.0 | 96 1 | 30 3 | - | - | - | - | - | - | - | - | 0 0 |
| Hardin Rd (Eakle) | 7/27/26 | 94.4 0.4 | 1500 | 47.9 1.1 | 0602 | - | - | - | - | - | - | - | - | - | - | - | 0 0 |
| Angwin | 7/27/26 | 84.2 0.6 | 1432 | 66.2 1.0 | 0605 | 41.2 0.3 | 42 6 | 16 4 | 2.6 0.2 | 13.1 0.1 | 1418 | SSE | 156 | 0.00 | 0.00 | 0.061 0.002 | 0 0 | 100 0 |
| Lower Angwin (Pioneer) | 7/27/26 | 85.3 1.2 | 1611 | 40.8 0.7 | 0558 | - | - | - | 1.9 0.2 | 13.1 0.3 | 1430 | SW | 234 | - | - | - | - | 100 0 |
| Las Posadas (Cal Fire) | 7/27/26 | 87.5 0.3 | 1450 | 48.3 1.7 | 0542 | 51.0 0.8 | 94 2 | 33 4 | 8.8 0.1 | 20.3 2.9 | 2037 | WSW | 245 | 0.00 | 0.00 | 0.262 0.007 | 624 4 | - |
| Deer Park | 7/27/26 | 89.7 1.2 | 1815 | 51.5 4.1 | 0608 | 51.8 0.2 | 94 10 | 28 3 | 2.8 0.9 | 13.3 3.6 | 1445 | S | 176 | 0.00 | 0.00 | 0.184 0.013 | 470 4 | 40 10 |
| Lower Chiles Valley (Brown) | 7/27/26 | 90.2 1.9 | 1716 | 48.1 1.4 | 0626 | 50.5 0.3 | 94 2 | 25 1 | 3.7 0.2 | 14.5 2.3 | 1320 | W | 280 | 0.00 | 0.00 | 0.231 0.008 | 684 5 | 0 10 |
| Moss Creek Vineyard/Reservior | 7/27/26 | 93.5 0.4 | 1512 | 49.9 1.0 | 0642 | 50.2 0.6 | 94 1 | 22 1 | - | - | - | - | 0.00 | 0.00 | - | - | 0 0 |
| Max | 96.5 | - | 66.2 | - | 54.3 | 100 | 33 | 8.8 | 20.3 | - | - | 0.00 | 0.00 | 0.263 | 708 | - | |
| Avg | - | - | - | - | 50.5 | - | - | 3.5 | - | - | - | - | - | - | - | - | |
| Min | 84.2 | - | 40.8 | - | 41.2 | 42 | 16 | 1.8 | 12.5 | - | - | 0.00 | 0.00 | 0.061 | 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) | 7/27/26 | 91.5 2.0 | 1458 | 52.2 0.9 | 0619 | 49.2 1.5 | 88 1 | 21 1 | - | - | - | - | 0.00 | 0.00 | - | - | 40 10 |
| Diamond Mtn (McEachran) | 7/27/26 | 92.3 0.3 | 1511 | 52.0 2.6 | 0611 | 50.0 1.3 | 86 3 | 23 2 | - | - | - | - | - | - | - | - | 40 10 |
| St. Helena-North | 7/27/26 | 91.2 1.9 | 1451 | 49.4 1.2 | 0630 | 49.6 0.1 | 86 1 | 23 4 | 2.7 | 14.9 0.2 | 1511 | SE | 139 | 0.00 | 0.00 | 0.219 0.001 | 600 3 | 0 0 |
| St. Helena (NVV Office) | 7/27/26 | 90.9 1.5 | 1724 | 49.9 1.4 | 0623 | - | - | - | 1.5 | 10.7 0.7 | 1617 | SE | 136 | 0.00 | 0.00 | - | - | 0 0 |
| Tiara Fria (East St. Helena) | 7/27/26 | 87.7 2.2 | 1804 | 47.6 0.1 | 0543 | 51.6 0.1 | 88 0 | 31 7 | 2.2 | 12.5 1.2 | 1542 | ESE | 114 | 0.00 | 0.00 | - | - | 0 0 |
| Prisoner Winery | 7/27/26 | 91.5 1.1 | 1711 | 46.4 1.1 | 0553 | 52.0 0.1 | 97 0 | 28 5 | 1.3 | 9.0 1.1 | 1655 | SE | 132 | 0.00 | 0.00 | 0.054 0.063 | 113 221 | 0 0 |
| Rutherford Hill Estate | 7/27/26 | 88.7 0.0 | 1558 | 52.1 1.0 | 0607 | 53.0 0.1 | 100 0 | 29 5 | 1.7 | 14.9 1.8 | 1515 | SSW | 196 | 0.00 | 0.00 | 0.192 0.006 | 576 6 | 0 0 |
| Rutherford-North (Mee Ln) | 7/27/26 | 87.9 4.3 | 1749 | 43.9 1.0 | 0555 | 50.7 0.2 | 89 2 | 32 10 | 3.0 | 16.0 1.5 | 1609 | S | 171 | 0.00 | 0.00 | 0.210 0.008 | 577 22 | 20 10 |
| Rutherford (STS) | 7/27/26 | 88.9 2.4 | 1747 | 44.2 0.6 | 0524 | 53.9 0.0 | 92 0 | 36 11 | 2.0 | 13.2 1.4 | 1406 | SE | 124 | 0.00 | 0.00 | 0.228 0.004 | 688 5 | 0 0 |
| Oakville-NE (Ranch 88) | 7/27/26 | 88.6 0.9 | 1810 | 43.1 1.6 | 0606 | 48.7 0.5 | 84 1 | 28 6 | 2.2 | 14.5 2.4 | 1512 | SSW | 205 | 0.00 | 0.00 | 0.217 0.007 | 629 6 | 100 0 |
| OV561-East | 7/27/26 | 91.5 0.0 | 1747 | 46.8 1.0 | 0607 | - | - | - | - | - | - | - | - | - | - | - | 10 10 |
| Oakville | 7/27/26 | 85.7 0.6 | 1746 | 45.0 1.4 | 0603 | 50.7 0.5 | 91 1 | 32 8 | 3.6 | 17.2 3.2 | 1418 | ESE | 117 | 0.00 | 0.00 | 0.234 0.006 | 683 4 | 100 10 |
| OV518-West | 7/27/26 | 85.8 0.2 | 1745 | 46.5 0.6 | 0627 | - | - | - | - | - | - | - | - | - | - | - | 100 10 |
| To Kalon Remote (TKKE) | 7/27/26 | 88.8 1.9 | 1738 | 45.4 2.0 | 0615 | - | - | - | - | - | - | - | - | - | - | - | 0 0 |
| To Kalon | 7/27/26 | 86.6 2.4 | 1731 | 45.8 1.7 | 0604 | 52.2 0.2 | 94 1 | 33 14 | 3.3 | 15.9 3.3 | 1441 | SE | 134 | 0.00 | 0.00 | 0.227 0.008 | 650 5 | 80 20 |
| To Kalon Remote (TKN5) | 7/27/26 | 88.9 1.3 | 1746 | 45.8 1.5 | 0617 | - | - | - | - | - | - | - | - | - | - | - | 0 0 |
| Yountville (Ranch 67) | 7/27/26 | 84.4 1.0 | 1738 | 44.5 1.3 | 0616 | 50.1 0.6 | 90 0 | 32 2 | 3.2 | 16.2 1.5 | 1525 | ESE | 119 | 0.00 | 0.00 | 0.222 0.006 | 698 6 | 100 10 |
| Stags Leap Dist (Silverado Vineyards) | 7/27/26 | 86.3 0.2 | 1731 | 45.0 0.6 | 0608 | 50.3 0.3 | 93 0 | 30 2 | 3.0 | 16.3 1.1 | 1335 | SSE | 166 | 0.00 | 0.00 | 0.226 0.004 | 660 6 | 90 20 |
| Borreo (Soda Canyon) | 7/27/26 | 82.9 0.2 | 1719 | 46.1 0.9 | 0621 | 49.9 0.3 | 97 0 | 31 2 | 2.0 | 11.2 0.3 | 1340 | SE | 134 | 0.00 | 0.00 | 0.220 0.004 | 708 4 | 100 10 |
| Wappo Hill Floor | 7/27/26 | 87.3 0.4 | 1742 | 44.5 0.6 | 0615 | 51.6 0.0 | 100 10 | 30 1 | 2.8 | 15.2 1.9 | 1338 | SE | 140 | 0.00 | 0.00 | 0.226 0.008 | 687 4 | 100 10 |
| Stags Leap Dist (Chimney Rock) | 7/27/26 | 85.3 0.4 | 1714 | 43.7 0.9 | 0553 | 53.1 0.4 | 98 1 | 38 1 | 2.7 | 15.3 0.2 | 1613 | SSE | 158 | 0.00 | 0.00 | 0.200 0.005 | 610 3 | 100 10 |
| Yountville-South (Ranch 87) | 7/27/26 | 86.2 1.6 | 1723 | 45.8 0.8 | 0610 | 51.8 0.7 | 95 2 | 32 1 | 1.7 | 13.6 1.0 | 1321 | SSE | 160 | 0.00 | 0.00 | 0.213 0.008 | 672 8 | 20 10 |
| Yountville-SE (Ranch 85) | 7/27/26 | 84.8 0.2 | 1731 | 46.0 1.4 | 0610 | 52.5 0.7 | 94 0 | 34 2 | 2.8 | 14.8 0.7 | 1502 | SSE | 153 | 0.00 | 0.00 | - | 0 0 | 100 10 |
| Oak Knoll-East (Ranch 53) | 7/27/26 | 86.4 0.6 | 1732 | 46.7 1.1 | 0627 | 51.2 0.7 | 90 1 | 28 0 | 2.6 | 14.5 0.8 | 1534 | SE | 134 | 0.00 | 0.00 | 0.225 0.004 | 702 3 | 100 10 |
| Napa-NW (Ranch 54) | 7/27/26 | 91.2 0.5 | 1718 | 48.0 1.0 | 0550 | 51.2 0.5 | 90 0 | 25 2 | 0.6 | 10.5 1.3 | 1647 | SW | 225 | 0.00 | 0.00 | - | 0 0 | 40 10 |
| Napa-North (Ranch 29) | 7/27/26 | 85.9 1.9 | 1704 | 47.3 1.1 | 0543 | 53.0 0.6 | 100 0 | 32 3 | 1.6 | 13.4 2.3 | 1612 | S | 178 | 0.00 | 0.00 | 0.137 0.006 | 399 4 | 100 0 |
| Max | 92.3 | - | 52.2 | - | 53.9 | 100 | 38 | 3.6 | 17.2 | - | - | 0.00 | 0.00 | 0.234 | 708 | - | |
| Avg | - | - | - | - | 51.3 | - | - | 2.3 | - | - | - | - | - | - | - | - | |
| Min | 82.9 | - | 43.1 | - | 48.7 | 84 | 21 | 0.6 | 9.0 | - | - | 0.00 | 0.00 | 0.054 | 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 | 7/27/26 | 86.1 2.9 | 1632 | 54.2 0.9 | 0610 | 48.9 0.6 | 84 3 | 16 2 | 1.5 | 12.4 2.0 | 1347 | SSE | 159 | 0.00 | 0.00 | 0.204 0.000 | 683 34 | 40 10 |
| Mount George (Napa East) | 7/27/26 | 83.0 1.4 | 1747 | 49.8 3.4 | 0720 | 52.1 1.2 | 95 2 | 32 3 | 1.7 | 10.7 2.7 | 1728 | ESE | 121 | 0.00 | 0.00 | 0.202 0.004 | 660 12 | 100 0 |
| Napa-East (Palmaz 300') | 7/27/26 | 86.6 0.3 | 1640 | 51.3 1.3 | 0715 | 52.8 0.0 | 100 0 | 30 3 | 1.4 | 10.3 3.1 | 1233 | SSW | 208 | 0.00 | 0.00 | 0.185 0.004 | 548 6 | 80 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') | 7/27/26 | 79.1 0.1 | 1630 | 51.5 2.5 | 0618 | 52.5 0.2 | 100 0 | 37 3 | 3.2 | 13.8 2.1 | 1502 | SW | 234 | 0.00 | 0.00 | 0.201 0.004 | 661 12 | 100 0 |
| Wooden Valley | 7/27/26 | 83.5 0.0 | 1645 | 55.6 1.6 | 0628 | 50.4 0.1 | 81 5 | 30 3 | 4.6 | 16.9 0.5 | 1529 | SSW | 206 | 0.00 | 0.00 | 0.234 0.004 | 695 2 | 100 0 |
| Napa-West Upper (Truchard) | 7/27/26 | 87.5 0.2 | 1646 | 50.4 0.8 | 0624 | 30.4 3.3 | 100 0 | 0 0 | 3.4 | 17.3 0.8 | 1557 | S | 182 | 0.00 | 0.00 | 0.233 0.005 | 680 2 | 50 10 |
| Napa-West Lower (Truchard) | 7/27/26 | 87.4 0.7 | 1751 | 42.8 0.8 | 0544 | 49.7 0.7 | 95 1 | 27 2 | - | - | - | - | - | - | - | - | 80 10 |
| Napa-South (Toyon Farms) | 7/27/26 | 83.8 0.5 | 1645 | 50.2 0.7 | 0658 | 55.2 0.7 | 100 0 | 39 3 | 4.1 | 17.5 0.7 | 1254 | S | 178 | 0.00 | 0.00 | 0.123 0.000 | 332 1 | 100 0 |
| Toyon Remote 1 | 7/27/26 | 86.6 0.6 | 1552 | 46.1 0.0 | 0438 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 2 | 7/27/26 | 85.1 1.1 | 1649 | 45.4 0.6 | 0611 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 3 | 7/27/26 | 87.8 0.3 | 1601 | 45.6 0.2 | 0530 | - | - | - | - | - | - | - | - | - | - | - | - |
| Dealy Lane (Ranch 80) | 7/27/26 | 84.3 0.4 | 1506 | 46.9 2.4 | 0553 | 51.3 0.5 | 95 1 | 31 3 | 2.7 | 15.8 0.4 | 1144 | SE | 143 | 0.00 | 0.00 | 0.211 0.005 | 664 3 | 100 0 |
| Carneros (Saintsbury) | 7/27/26 | 84.8 1.1 | 1555 | 46.3 1.6 | 0613 | 51.7 0.9 | 100 0 | 32 5 | 4.8 | 18.4 5.5 | 1355 | SSE | 162 | 0.00 | 0.00 | - | - | 100 0 |
| Suscol Lower (Ranch 35) | 7/27/26 | 84.4 0.0 | 1717 | 51.5 0.7 | 0436 | 52.3 0.3 | 100 0 | 29 4 | 4.9 | 17.4 0.2 | 1437 | SSW | 192 | 0.00 | 0.00 | 0.209 0.002 | 612 2 | 100 0 |
| Suscol Mtn (Ranch 93) | 7/27/26 | 82.7 0.8 | 1514 | 52.6 0.8 | 0654 | 53.4 0.3 | 95 2 | 32 5 | 5.3 | 19.1 3.5 | 1528 | WNW | 288 | 0.00 | 0.00 | - | - | 100 0 |
| Suscol Upper (Ranch 92) | 7/27/26 | 81.1 0.2 | 1725 | 53.2 0.1 | 0654 | 52.9 0.4 | 94 1 | 34 3 | 4.1 | 17.0 1.0 | 1521 | SW | 230 | 0.00 | 0.00 | - | - | 100 0 |
| Stanly (Ranch 45) | 7/27/26 | 84.5 0.7 | 1658 | 47.7 1.7 | 0626 | 52.1 0.3 | 94 1 | 30 6 | 4.7 | 17.9 3.6 | 1604 | S | 186 | 0.00 | 0.00 | 0.235 0.002 | 740 3 | 100 0 |
| Carneros Upper (Ranch 81) | 7/27/26 | 82.4 1.2 | 1444 | 53.7 0.6 | 0605 | 52.0 0.8 | - | - | 7.6 | 26.3 6.7 | 1812 | W | 260 | - | - | - | - | 100 0 |
| Carneros (Mitsuko) | 7/27/26 | 84.8 0.4 | 1556 | 44.1 0.3 | 0534 | - | - | - | - | - | - | - | - | - | - | - | 100 0 |
| Carneros Lower (Ranch 81) | 7/27/26 | 90.1 0.5 | 1604 | 47.3 3.0 | 0547 | 50.8 2.2 | 100 0 | 0 0 | 1.4 | 13.3 1.3 | 1342 | SSE | 156 | 0.00 | 0.00 | 0.199 0.003 | 643 4 | 50 10 |
| Carneros (Milton Rd) | 7/27/26 | 85.2 0.7 | 1637 | 47.4 2.3 | 0618 | 51.2 0.5 | 94 0 | 29 6 | - | - | - | - | 0.00 | 0.00 | - | - | 100 0 |
| Max | 90.1 | - | 55.6 | - | 55.2 | 100 | 39 | 7.6 | 26.3 | - | - | 0.00 | 0.00 | 0.235 | 740 | - | |
| Avg | - | - | - | - | 50.6 | - | - | 3.7 | - | - | - | - | - | - | - | - | |
| Min | 79.1 | - | 42.8 | - | 30.4 | 81 | 0 | 1.4 | 10.3 | - | - | 0.00 | 0.00 | 0.123 | 332 | - |