| 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 | 7/25/26 | 90.5 0.6 | 1705 | 50.9 1.3 | 0355 | - | - | - | - | - | - | - | 0.00 | 0.00 | - | - | 50 10 |
| Pope Valley (Weeks Lake) | 7/25/26 | 95.4 0.2 | 1546 | 44.6 1.0 | 0525 | 48.6 1.3 | 100 0 | 20 8 | 2.0 0.2 | 14.0 0.0 | 1904 | SW | 233 | 0.00 | 0.00 | 0.229 0.003 | 620 19 | 0 0 |
| Dollarhide Base | 7/25/26 | 97.0 0.8 | 1536 | 52.8 0.3 | 0620 | 53.9 0.8 | 97 0 | 25 2 | 3.7 0.3 | 17.4 2.0 | 1706 | SW | 233 | 0.00 | 0.00 | 0.279 0.002 | 707 22 | 0 10 |
| Dollarhide 1AS Remote | 7/25/26 | 98.7 0.1 | 1458 | 45.5 0.6 | 0603 | 51.4 0.9 | 92 1 | 22 1 | 3.4 0.4 | 16.7 1.5 | 1802 | SW | 219 | - | - | - | - | 0 0 |
| Dollarhide 16A Remote | 7/25/26 | 97.3 0.4 | 1548 | 51.1 1.0 | 0610 | 53.2 0.8 | 94 2 | 24 3 | - | - | - | - | - | - | - | - | 0 0 |
| Dollarhide 18A Remote | 7/25/26 | 95.7 0.7 | 1621 | 43.5 0.4 | 0610 | 50.6 1.0 | 95 1 | 24 1 | - | - | - | - | - | - | - | - | 0 0 |
| Hardin Rd (Eakle) | 7/25/26 | 96.3 0.4 | 1535 | 48.6 0.9 | 0619 | - | - | - | - | - | - | - | - | - | - | - | 0 0 |
| Angwin | 7/25/26 | 86.9 0.1 | 1511 | 65.3 0.3 | 0351 | 43.9 4.4 | 52 3 | 21 12 | 2.3 0.8 | 11.5 3.9 | 1215 | SE | 135 | 0.00 | 0.00 | 0.053 0.019 | 0 0 | 100 0 |
| Lower Angwin (Pioneer) | 7/25/26 | 87.2 0.7 | 1618 | 40.8 2.9 | 0553 | - | - | - | 2.1 0.2 | 14.1 1.1 | 1504 | SW | 231 | - | - | - | - | 100 10 |
| Las Posadas (Cal Fire) | 7/25/26 | 90.6 0.8 | 1555 | 50.0 1.4 | 0616 | 49.9 2.1 | 91 2 | 25 3 | 8.9 1.3 | 24.6 3.8 | 1733 | SW | 221 | 0.00 | 0.00 | 0.286 0.026 | 619 18 | - |
| Deer Park | 7/25/26 | 94.5 1.2 | 1534 | 58.1 4.4 | 0637 | 49.1 2.9 | 79 13 | 21 1 | 4.5 0.8 | 14.8 0.5 | 0441 | NW | 318 | 0.00 | 0.00 | 0.206 0.007 | 470 11 | 60 10 |
| Lower Chiles Valley (Brown) | 7/25/26 | 92.2 0.4 | 1628 | 56.1 9.0 | 0618 | 49.1 0.7 | 77 22 | 23 5 | 3.7 0.1 | 16.0 0.2 | 1033 | WNW | 293 | 0.00 | 0.00 | 0.243 0.002 | 684 14 | 20 10 |
| Moss Creek Vineyard/Reservior | 7/25/26 | 95.0 0.6 | 1514 | 51.5 0.0 | 0624 | 49.8 1.8 | 92 0 | 18 7 | - | - | - | - | 0.00 | 0.00 | - | - | 0 0 |
| Max | 98.7 | - | 65.3 | - | 53.9 | 100 | 25 | 8.9 | 24.6 | - | - | 0.00 | 0.00 | 0.286 | 707 | - | |
| Avg | - | - | - | - | 49.9 | - | - | 3.8 | - | - | - | - | - | - | - | - | |
| Min | 86.9 | - | 40.8 | - | 43.9 | 52 | 18 | 2.0 | 11.5 | - | - | 0.00 | 0.00 | 0.053 | 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) | 7/25/26 | 93.0 1.4 | 1647 | 54.6 2.2 | 0606 | 48.9 1.3 | 77 17 | 19 4 | - | - | - | - | 0.00 | 0.00 | - | - | 60 10 |
| Diamond Mtn (McEachran) | 7/25/26 | 91.9 1.2 | 1522 | 56.1 0.5 | 0537 | 49.9 1.0 | 78 10 | 24 10 | - | - | - | - | - | - | - | - | 60 10 |
| St. Helena-North | 7/25/26 | 95.6 0.8 | 1442 | 54.4 3.5 | 0323 | 47.4 2.2 | 81 8 | 16 2 | 1.8 | 12.1 4.2 | 1632 | WNW | 299 | 0.00 | 0.00 | 0.213 0.007 | 596 13 | 0 0 |
| St. Helena (NVV Office) | 7/25/26 | 97.8 2.6 | 1440 | 53.4 1.4 | 0606 | - | - | - | 1.4 | 10.2 0.8 | 1514 | S | 188 | 0.00 | 0.00 | - | - | 0 0 |
| Tiara Fria (East St. Helena) | 7/25/26 | 94.0 2.9 | 1558 | 49.0 0.5 | 0609 | 50.5 1.7 | 91 0 | 23 3 | 2.2 | 12.7 0.7 | 1917 | SE | 132 | 0.00 | 0.00 | - | - | 10 10 |
| Prisoner Winery | 7/25/26 | 96.9 2.8 | 1530 | 48.1 0.6 | 0603 | 51.0 2.0 | 96 1 | 18 6 | 1.1 | 9.9 0.7 | 1716 | NW | 319 | 0.00 | 0.00 | 0.219 0.054 | 649 208 | 0 0 |
| Rutherford Hill Estate | 7/25/26 | 94.9 3.0 | 1514 | 53.5 0.4 | 0607 | 52.2 1.7 | 93 7 | 25 0 | 1.6 | 14.0 2.2 | 1746 | S | 179 | 0.00 | 0.00 | 0.200 0.000 | 578 12 | 10 10 |
| Rutherford-North (Mee Ln) | 7/25/26 | 94.0 4.1 | 1748 | 45.5 0.1 | 0542 | 50.3 1.4 | 93 1 | 22 5 | 2.6 | 16.2 2.4 | 1631 | SSE | 149 | 0.00 | 0.00 | 0.228 0.002 | 615 12 | 40 10 |
| Rutherford (STS) | 7/25/26 | 95.6 2.7 | 1607 | 45.1 0.5 | 0601 | 53.2 1.6 | 92 0 | 24 7 | 1.8 | 14.2 1.4 | 1724 | WSW | 257 | 0.00 | 0.00 | 0.239 0.001 | 690 10 | 10 10 |
| Oakville-NE (Ranch 88) | 7/25/26 | 93.8 3.0 | 1648 | 44.9 0.2 | 0548 | 48.2 1.8 | 86 1 | 24 1 | 2.0 | 13.9 5.0 | 1855 | S | 173 | 0.00 | 0.00 | 0.225 0.003 | 634 9 | 100 0 |
| OV561-East | 7/25/26 | 96.7 2.1 | 1645 | 47.5 0.3 | 0635 | - | - | - | - | - | - | - | - | - | - | - | 30 10 |
| Oakville | 7/25/26 | 90.4 2.4 | 1623 | 46.0 0.1 | 0554 | 50.0 1.7 | 91 1 | 28 1 | 3.1 | 17.2 1.0 | 1851 | SSE | 151 | 0.00 | 0.00 | 0.246 0.002 | 684 10 | 70 10 |
| OV518-West | 7/25/26 | 90.2 2.8 | 1550 | 46.8 0.2 | 0623 | - | - | - | - | - | - | - | - | - | - | - | 70 10 |
| To Kalon Remote (TKKE) | 7/25/26 | 94.3 2.2 | 1548 | 46.9 0.3 | 0547 | - | - | - | - | - | - | - | - | - | - | - | 10 10 |
| To Kalon | 7/25/26 | 92.6 3.2 | 1627 | 47.4 0.5 | 0554 | 51.5 1.6 | 94 1 | 23 7 | 2.7 | 14.2 1.8 | 2004 | S | 169 | 0.00 | 0.00 | 0.235 0.003 | 653 10 | 70 10 |
| To Kalon Remote (TKN5) | 7/25/26 | 94.5 1.9 | 1549 | 47.2 0.2 | 0556 | - | - | - | - | - | - | - | - | - | - | - | 10 10 |
| Yountville (Ranch 67) | 7/25/26 | 88.9 2.0 | 1604 | 45.6 0.0 | 0613 | 49.6 1.5 | 91 0 | 28 1 | 3.2 | 15.4 1.4 | 1636 | SSE | 165 | 0.00 | 0.00 | 0.237 0.006 | 697 7 | 70 10 |
| Stags Leap Dist (Silverado Vineyards) | 7/25/26 | 91.5 2.6 | 1540 | 45.9 0.4 | 0552 | 49.5 1.7 | 93 1 | 25 2 | 2.7 | 15.6 2.6 | 1721 | ESE | 121 | 0.00 | 0.00 | 0.239 0.005 | 665 8 | 80 10 |
| Borreo (Soda Canyon) | 7/25/26 | 87.2 2.0 | 1636 | 46.9 0.2 | 0611 | 49.0 1.5 | 97 0 | 28 1 | 2.3 | 12.8 0.1 | 1537 | S | 179 | 0.00 | 0.00 | 0.236 0.004 | 713 8 | 100 0 |
| Wappo Hill Floor | 7/25/26 | 91.5 2.4 | 1519 | 45.0 0.2 | 0603 | 50.6 1.9 | 100 0 | 27 2 | 2.8 | 14.9 1.6 | 1600 | E | 95 | 0.00 | 0.00 | 0.244 0.007 | 693 8 | 70 10 |
| Stags Leap Dist (Chimney Rock) | 7/25/26 | 89.7 2.0 | 1526 | 44.7 0.4 | 0611 | 52.9 1.2 | 98 1 | 34 1 | 2.7 | 14.8 0.7 | 1756 | SE | 132 | 0.00 | 0.00 | 0.218 0.009 | 615 5 | 70 10 |
| Yountville-South (Ranch 87) | 7/25/26 | 91.4 1.6 | 1608 | 46.9 0.1 | 0556 | 51.4 1.6 | 92 2 | 28 0 | 1.6 | 10.7 0.9 | 1445 | S | 171 | 0.00 | 0.00 | 0.225 0.001 | 680 9 | 40 10 |
| Yountville-SE (Ranch 85) | 7/25/26 | 89.5 2.8 | 1514 | 47.1 0.5 | 0554 | 52.1 1.4 | 95 0 | 30 1 | 2.9 | 14.6 0.3 | 1820 | SSE | 167 | 0.00 | 0.00 | - | 0 0 | 70 10 |
| Oak Knoll-East (Ranch 53) | 7/25/26 | 89.8 2.5 | 1524 | 47.6 0.1 | 0558 | 50.8 1.1 | 90 0 | 27 1 | 2.5 | 15.3 0.9 | 1436 | SE | 143 | 0.00 | 0.00 | 0.240 0.007 | 706 7 | 70 10 |
| Napa-NW (Ranch 54) | 7/25/26 | 93.3 2.1 | 1642 | 48.5 0.1 | 0526 | 50.8 1.7 | 91 1 | 23 3 | 0.6 | 10.5 0.0 | 1642 | S | 184 | 0.00 | 0.00 | - | 0 0 | 60 10 |
| Napa-North (Ranch 29) | 7/25/26 | 87.0 1.9 | 1539 | 48.0 0.6 | 0605 | 52.7 1.4 | 100 0 | 29 3 | 1.7 | 14.5 3.4 | 1354 | SW | 221 | 0.00 | 0.00 | 0.149 0.001 | 402 7 | 90 10 |
| Max | 97.8 | - | 56.1 | - | 53.2 | 100 | 34 | 3.2 | 17.2 | - | - | 0.00 | 0.00 | 0.246 | 713 | - | |
| Avg | - | - | - | - | 50.6 | - | - | 2.2 | - | - | - | - | - | - | - | - | |
| Min | 87.0 | - | 44.7 | - | 47.4 | 77 | 16 | 0.6 | 9.9 | - | - | 0.00 | 0.00 | 0.149 | 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 | 7/25/26 | 89.4 1.9 | 1457 | 57.1 1.4 | 0359 | 48.0 0.7 | 76 2 | 22 12 | 1.6 | 9.0 0.4 | 1510 | NNW | 343 | 0.00 | 0.00 | 0.222 0.022 | 704 87 | 60 10 |
| Mount George (Napa East) | 7/25/26 | 86.0 0.5 | 1529 | 46.1 0.5 | 0558 | 49.8 3.0 | 97 3 | 30 2 | 1.6 | 12.1 1.2 | 1724 | WSW | 238 | 0.00 | 0.00 | 0.214 0.000 | 671 5 | 100 0 |
| Napa-East (Palmaz 300') | 7/25/26 | 90.0 1.6 | 1613 | 50.2 0.2 | 0608 | 51.7 1.6 | 100 0 | 27 1 | 1.5 | 14.1 0.1 | 1615 | SW | 223 | 0.00 | 0.00 | 0.195 0.001 | 556 5 | 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') | 7/25/26 | 83.2 2.3 | 1455 | 53.1 1.8 | 0157 | 50.7 2.3 | 95 5 | 34 2 | 4.1 | 13.8 1.2 | 1457 | SSW | 210 | 0.00 | 0.00 | 0.221 0.008 | 673 10 | 100 0 |
| Wooden Valley | 7/25/26 | 86.9 1.7 | 1407 | 56.7 0.1 | 0359 | 49.2 1.8 | 81 1 | 27 3 | 4.5 | 16.8 0.9 | 1659 | WSW | 241 | 0.00 | 0.00 | 0.250 0.004 | 695 10 | 90 10 |
| Napa-West Upper (Truchard) | 7/25/26 | 90.3 1.3 | 1446 | 51.8 0.8 | 0611 | 20.2 3.2 | 100 0 | 0 0 | 3.4 | 18.7 0.0 | 1623 | SW | 216 | 0.00 | 0.00 | 0.253 0.010 | 685 6 | 70 10 |
| Napa-West Lower (Truchard) | 7/25/26 | 90.0 1.4 | 1438 | 44.4 1.2 | 0535 | 49.3 1.2 | 95 1 | 26 1 | - | - | - | - | - | - | - | - | 70 10 |
| Napa-South (Toyon Farms) | 7/25/26 | 87.9 1.6 | 1422 | 52.4 1.8 | 0557 | 55.2 0.8 | 100 0 | 36 1 | 4.1 | 16.5 0.5 | 1523 | WSW | 248 | 0.00 | 0.00 | 0.142 0.013 | 334 4 | 90 10 |
| Toyon Remote 1 | 7/25/26 | 90.7 2.0 | 1404 | 46.8 1.5 | 0538 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 2 | 7/25/26 | 87.8 1.4 | 1424 | 45.9 1.0 | 0529 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 3 | 7/25/26 | 91.0 2.0 | 1435 | 46.1 1.8 | 0509 | - | - | - | - | - | - | - | - | - | - | - | - |
| Dealy Lane (Ranch 80) | 7/25/26 | 87.4 1.6 | 1457 | 48.4 1.5 | 0543 | 51.0 1.0 | 95 1 | 29 1 | 2.7 | 17.0 0.9 | 1558 | SW | 227 | 0.00 | 0.00 | 0.226 0.007 | 666 8 | 80 10 |
| Carneros (Saintsbury) | 7/25/26 | 87.1 0.3 | 1403 | 47.8 1.8 | 0540 | 51.2 1.6 | 100 0 | 30 0 | 5.4 | 22.4 1.3 | 1740 | SW | 232 | 0.00 | 0.00 | - | - | 90 10 |
| Suscol Lower (Ranch 35) | 7/25/26 | 87.3 1.2 | 1611 | 50.2 0.1 | 0512 | 51.5 1.0 | 100 0 | 28 0 | 5.1 | 19.4 0.8 | 1504 | S | 180 | 0.00 | 0.00 | 0.230 0.004 | 620 30 | 100 0 |
| Suscol Mtn (Ranch 93) | 7/25/26 | 86.9 2.0 | 1601 | 53.9 0.4 | 0646 | 52.1 1.7 | 91 5 | 29 2 | 6.3 | 20.5 1.2 | 1643 | WNW | 301 | 0.00 | 0.00 | - | - | 90 10 |
| Suscol Upper (Ranch 92) | 7/25/26 | 84.5 2.6 | 1602 | 53.6 0.9 | 0526 | 51.7 18.5 | 92 8 | 31 31 | 4.1 | 20.5 0.3 | 1629 | SW | 221 | 0.00 | 0.00 | - | - | 100 0 |
| Stanly (Ranch 45) | 7/25/26 | 87.0 2.5 | 1534 | 46.2 0.9 | 0534 | 51.4 1.6 | 95 0 | 29 1 | 5.0 | 19.6 0.1 | 1438 | WNW | 289 | 0.00 | 0.00 | 0.262 0.015 | 746 2 | 90 10 |
| Carneros Upper (Ranch 81) | 7/25/26 | 84.2 0.8 | 1355 | 54.9 0.5 | 0607 | 51.4 1.8 | - | - | 9.6 | 28.3 1.5 | 1811 | W | 262 | - | - | - | - | 100 0 |
| Carneros (Mitsuko) | 7/25/26 | 87.4 0.7 | 1441 | 44.5 1.1 | 0527 | - | - | - | - | - | - | - | - | - | - | - | 80 10 |
| Carneros Lower (Ranch 81) | 7/25/26 | 90.9 0.2 | 1421 | 48.1 4.0 | 0551 | 51.9 1.1 | 100 0 | 0 0 | 0.8 | 15.1 3.0 | 1814 | NW | 312 | 0.00 | 0.00 | 0.208 0.003 | 649 6 | 70 10 |
| Carneros (Milton Rd) | 7/25/26 | 87.7 1.7 | 1458 | 45.5 0.3 | 0519 | 50.8 1.9 | 94 0 | 29 1 | - | - | - | - | 0.00 | 0.00 | - | - | 90 10 |
| Max | 91.0 | - | 57.1 | - | 55.2 | 100 | 36 | 9.6 | 28.3 | - | - | 0.00 | 0.00 | 0.262 | 746 | - | |
| Avg | - | - | - | - | 49.2 | - | - | 4.0 | - | - | - | - | - | - | - | - | |
| Min | 83.2 | - | 44.4 | - | 20.2 | 76 | 0 | 0.8 | 9.0 | - | - | 0.00 | 0.00 | 0.142 | 334 | - |