| 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 | 7/17/26 | 87.6 2.0 | 1552 | 47.8 4.0 | 0552 | - | - | - | - | - | - | - | 0.00 | 0.00 | - | - | 70 20 |
| Pope Valley (Weeks Lake) | 7/17/26 | 91.4 3.1 | 1542 | 42.4 1.8 | 0603 | 48.1 3.8 | 100 9 | 19 5 | 2.0 0.1 | 14.0 0.2 | 1234 | SE | 124 | 0.00 | 0.00 | 0.223 0.017 | 637 6 | 0 0 |
| Dollarhide Base | 7/17/26 | 93.6 3.8 | 1559 | 50.8 4.7 | 0617 | 53.2 3.8 | 92 15 | 29 8 | 3.4 0.1 | 14.8 2.8 | 1758 | SW | 225 | 0.00 | 0.00 | 0.268 0.022 | 743 3 | 0 0 |
| Dollarhide 1AS Remote | 7/17/26 | 94.5 3.3 | 1610 | 43.3 2.2 | 0556 | 51.0 3.1 | 91 7 | 27 6 | 2.9 0.1 | 15.9 0.0 | 1727 | S | 179 | - | - | - | - | 0 0 |
| Dollarhide 16A Remote | 7/17/26 | 93.3 2.8 | 1558 | 50.1 2.8 | 0552 | 53.3 4.2 | 94 12 | 31 12 | - | - | - | - | - | - | - | - | 0 0 |
| Dollarhide 18A Remote | 7/17/26 | 91.7 2.4 | 1536 | 41.2 2.4 | 0604 | 50.1 2.5 | 94 5 | 28 6 | - | - | - | - | - | - | - | - | 0 0 |
| Hardin Rd (Eakle) | 7/17/26 | 92.8 2.4 | 1516 | 47.3 2.5 | 0557 | - | - | - | - | - | - | - | - | - | - | - | 0 0 |
| Angwin | 7/17/26 | 82.9 1.8 | 1556 | 61.8 4.1 | 0626 | 41.0 2.7 | 54 14 | 9 8 | 2.7 0.2 | 13.1 0.4 | 1758 | S | 171 | 0.00 | 0.00 | 0.059 0.013 | 0 0 | 100 0 |
| Lower Angwin (Pioneer) | 7/17/26 | 85.2 2.0 | 1529 | 38.4 3.0 | 0554 | - | - | - | 1.9 0.1 | 13.9 1.6 | 1519 | WNW | 303 | - | - | - | - | 70 20 |
| Las Posadas (Cal Fire) | 7/17/26 | 85.5 3.5 | 1528 | 48.3 9.1 | 0614 | 51.5 6.8 | 97 27 | 36 11 | 8.8 0.1 | 18.9 4.6 | 2053 | SW | 232 | 0.00 | 0.00 | 0.238 0.065 | 641 3 | - |
| Deer Park | 7/17/26 | 87.3 4.6 | 1511 | 53.2 2.1 | 0339 | 52.4 6.9 | 95 20 | 34 14 | 3.8 0.4 | 15.5 1.2 | 1631 | SSE | 151 | 0.00 | 0.00 | 0.183 0.038 | 479 14 | 80 10 |
| Lower Chiles Valley (Brown) | 7/17/26 | 88.6 2.8 | 1611 | 50.9 6.8 | 0412 | 51.2 7.2 | 97 22 | 24 7 | 3.8 0.0 | 13.7 1.5 | 1540 | WNW | 287 | 0.00 | 0.00 | 0.228 0.030 | 694 13 | 40 10 |
| Moss Creek Vineyard/Reservior | 7/17/26 | 92.7 1.3 | 1514 | 48.1 6.6 | 0604 | 49.2 4.6 | 94 23 | 19 2 | - | - | - | - | 0.00 | 0.00 | - | - | 0 0 |
| Max | 94.5 | - | 61.8 | - | 53.3 | 100 | 36 | 8.8 | 18.9 | - | - | 0.00 | 0.00 | 0.268 | 743 | - | |
| Avg | - | - | - | - | 50.1 | - | - | 3.7 | - | - | - | - | - | - | - | - | |
| Min | 82.9 | - | 38.4 | - | 41.0 | 54 | 9 | 1.9 | 13.1 | - | - | 0.00 | 0.00 | 0.059 | 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 | 7/17/26 | 93.1 3.6 | 1436 | 48.7 2.2 | 0455 | 51.9 3.6 | 94 16 | 25 5 | - | - | - | - | 0.00 | 0.00 | - | - | 0 10 |
| Diamond Mtn (Schramsberg) | 7/17/26 | 88.2 4.4 | 1603 | 51.6 5.3 | 0623 | 52.0 8.5 | 100 27 | 23 7 | - | - | - | - | 0.00 | 0.00 | - | - | 80 10 |
| Diamond Mtn (McEachran) | 7/17/26 | 88.9 3.8 | 1550 | 52.6 5.1 | 0550 | 52.1 7.9 | 92 19 | 33 16 | - | - | - | - | - | - | - | - | 80 10 |
| St. Helena-North | 7/17/26 | 87.9 6.5 | 1544 | 51.4 1.5 | 0441 | 50.2 5.9 | 82 10 | 31 17 | 3.8 | 15.4 1.5 | 1650 | SE | 131 | 0.00 | 0.00 | 0.222 0.015 | 601 9 | 0 0 |
| St. Helena (NVV Office) | 7/17/26 | 87.2 6.5 | 1553 | 51.7 2.7 | 0520 | - | - | - | 1.8 | 10.7 1.5 | 1621 | E | 91 | 0.00 | 0.00 | - | - | 30 10 |
| Tiara Fria (East St. Helena) | 7/17/26 | 83.8 6.0 | 1505 | 50.9 1.0 | 0348 | 52.3 3.5 | 87 0 | 39 15 | 2.6 | 14.4 2.6 | 1620 | SE | 125 | 0.00 | 0.00 | - | - | 60 20 |
| Prisoner Winery | 7/17/26 | 87.6 6.1 | 1610 | 47.8 0.0 | 0424 | 52.5 3.7 | 93 1 | 35 13 | 1.8 | 10.4 0.1 | 1628 | SSE | 155 | 0.00 | 0.00 | 0.210 0.116 | 638 385 | 30 10 |
| Rutherford Hill Estate | 7/17/26 | 85.4 6.2 | 1608 | 53.5 0.2 | 0331 | 52.9 4.3 | 92 12 | 36 15 | 1.8 | 14.7 0.9 | 1624 | S | 182 | 0.00 | 0.00 | 0.185 0.019 | 570 15 | 60 20 |
| Rutherford-North (Mee Ln) | 7/17/26 | 83.0 6.4 | 1552 | 46.4 0.0 | 0408 | 51.8 3.6 | 92 3 | 40 16 | 4.0 | 18.2 1.5 | 1631 | SSE | 154 | 0.00 | 0.00 | 0.209 0.035 | 597 38 | 60 20 |
| Rutherford (STS) | 7/17/26 | 85.2 6.4 | 1407 | 46.1 1.0 | 0420 | 54.5 2.9 | 93 1 | 43 15 | 2.9 | 15.2 0.3 | 1629 | ESE | 109 | 0.00 | 0.00 | 0.216 0.029 | 662 51 | 60 20 |
| Oakville-NE (Ranch 88) | 7/17/26 | 84.2 6.4 | 1455 | 46.9 1.1 | 0411 | 50.4 4.2 | 84 2 | 36 15 | 3.1 | 18.7 1.6 | 1645 | SSE | 155 | 0.00 | 0.00 | 0.210 0.026 | 608 40 | 100 0 |
| OV561-East | 7/17/26 | 84.8 8.0 | 1605 | 49.7 1.4 | 0403 | - | - | - | - | - | - | - | - | - | - | - | 80 20 |
| Oakville | 7/17/26 | 80.8 6.6 | 1541 | 47.8 0.8 | 0422 | 51.9 3.9 | 88 0 | 42 17 | 4.8 | 19.7 1.5 | 1501 | ESE | 121 | 0.00 | 0.00 | 0.221 0.036 | 667 36 | 90 20 |
| OV518-West | 7/17/26 | 80.0 6.9 | 1525 | 47.4 0.1 | 0419 | - | - | - | - | - | - | - | - | - | - | - | 90 20 |
| To Kalon Remote (TKKE) | 7/17/26 | 84.5 7.1 | 1527 | 47.5 0.1 | 0419 | - | - | - | - | - | - | - | - | - | - | - | 60 20 |
| To Kalon | 7/17/26 | 81.2 8.0 | 1518 | 47.7 0.2 | 0418 | 52.7 3.2 | 93 1 | 43 18 | 4.3 | 16.9 1.2 | 1903 | SSE | 159 | 0.00 | 0.00 | 0.211 0.041 | 617 54 | 70 20 |
| To Kalon Remote (TKN5) | 7/17/26 | 84.9 7.1 | 1535 | 47.9 0.1 | 0424 | - | - | - | - | - | - | - | - | - | - | - | 60 20 |
| Yountville (Ranch 67) | 7/17/26 | 79.0 7.1 | 1534 | 48.4 1.5 | 0405 | 51.4 3.9 | 90 2 | 43 18 | 4.4 | 18.6 0.5 | 1650 | ESE | 109 | 0.00 | 0.00 | 0.214 0.034 | 703 30 | 100 0 |
| Stags Leap Dist (Silverado Vineyards) | 7/17/26 | 79.4 8.6 | 1529 | 48.8 1.4 | 0400 | 51.6 3.9 | 92 2 | 41 19 | 3.6 | 18.7 0.2 | 1557 | SE | 141 | 0.00 | 0.00 | 0.208 0.037 | 647 47 | 70 10 |
| Borreo (Soda Canyon) | 7/17/26 | 77.5 7.2 | 1536 | 47.6 0.7 | 0329 | 51.2 4.6 | 95 7 | 43 19 | 2.2 | 11.1 1.4 | 1436 | SSE | 163 | 0.00 | 0.00 | 0.205 0.032 | 685 41 | 100 20 |
| Wappo Hill Floor | 7/17/26 | 80.3 8.5 | 1522 | 48.1 1.8 | 0353 | 52.7 4.5 | 100 13 | 42 18 | 3.6 | 15.4 1.4 | 1835 | ESE | 105 | 0.00 | 0.00 | 0.212 0.037 | 663 46 | 90 20 |
| Stags Leap Dist (Chimney Rock) | 7/17/26 | 79.6 7.3 | 1543 | 48.4 2.9 | 0346 | 54.4 3.2 | 98 0 | 49 18 | 3.5 | 15.0 0.7 | 1549 | S | 170 | 0.00 | 0.00 | 0.186 0.034 | 585 41 | 90 20 |
| Yountville-South (Ranch 87) | 7/17/26 | 81.3 7.4 | 1455 | 48.3 0.6 | 0357 | 52.7 3.4 | 92 2 | 42 19 | 2.1 | 11.8 0.2 | 1403 | S | 180 | 0.00 | 0.00 | 0.202 0.029 | 654 46 | 90 20 |
| Yountville-SE (Ranch 85) | 7/17/26 | 78.4 8.1 | 1526 | 49.6 1.5 | 0333 | 53.3 3.5 | 94 3 | 46 20 | 3.7 | 14.7 0.1 | 1759 | SE | 136 | 0.00 | 0.00 | - | 0 0 | 90 20 |
| Oak Knoll-East (Ranch 53) | 7/17/26 | 78.3 9.5 | 1550 | 49.1 0.8 | 0549 | 51.4 3.2 | 89 1 | 44 21 | 3.0 | 17.2 2.3 | 1848 | SE | 132 | 0.00 | 0.00 | 0.204 0.037 | 664 59 | 80 20 |
| Napa-NW (Ranch 54) | 7/17/26 | 84.9 6.6 | 1728 | 49.1 0.1 | 0407 | 51.4 3.3 | 90 3 | 27 7 | 0.8 | 8.2 2.2 | 1421 | ENE | 69 | 0.00 | 0.00 | - | 0 0 | 80 20 |
| Napa-North (Ranch 29) | 7/17/26 | 77.6 7.1 | 1721 | 50.9 1.7 | 0627 | 53.6 3.8 | 100 10 | 46 19 | 2.0 | 14.9 0.9 | 1551 | SSW | 206 | 0.00 | 0.00 | 0.141 0.019 | 439 7 | 100 0 |
| Max | 93.1 | - | 53.5 | - | 54.5 | 100 | 49 | 4.8 | 19.7 | - | - | 0.00 | 0.00 | 0.222 | 703 | - | |
| Avg | - | - | - | - | 52.2 | - | - | 3.0 | - | - | - | - | - | - | - | - | |
| Min | 77.5 | - | 46.1 | - | 50.2 | 82 | 23 | 0.8 | 8.2 | - | - | 0.00 | 0.00 | 0.141 | 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 | 7/17/26 | 84.8 4.2 | 1524 | 52.1 5.4 | 0509 | 50.3 7.0 | 84 16 | 35 21 | 1.6 | 12.1 2.8 | 1337 | SSE | 149 | 0.00 | 0.00 | 0.282 0.015 | 1,103 40 | 100 10 |
| Mount George (Napa East) | 7/17/26 | 100.5 12.6 | 1524 | 52.2 1.6 | 2355 | 53.6 2.6 | 92 1 | 46 17 | 2.0 | 11.5 0.7 | 1338 | W | 261 | 0.00 | 0.00 | 0.187 0.040 | 628 63 | 90 20 |
| Napa-East (Palmaz 300') | 7/17/26 | 81.1 6.1 | 1702 | 52.3 1.4 | 0027 | 53.4 4.3 | 94 3 | 40 16 | 2.2 | 12.3 1.0 | 1618 | SSW | 210 | 0.00 | 0.00 | 0.175 0.025 | 536 35 | 90 20 |
| 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') | 7/17/26 | 75.4 4.9 | 1528 | 50.9 0.4 | 0515 | 53.0 5.5 | 100 0 | 49 20 | 3.5 | 12.7 3.3 | 1624 | SW | 230 | 0.00 | 0.00 | 0.190 0.035 | 662 31 | 80 20 |
| Wooden Valley | 7/17/26 | 81.2 3.4 | 1540 | 52.2 4.1 | 0442 | 51.0 6.6 | 90 8 | 38 16 | 4.7 | 17.0 0.7 | 2321 | WSW | 248 | 0.00 | 0.00 | 0.224 0.042 | 712 6 | 100 0 |
| Napa-West Upper (Truchard) | 7/17/26 | 79.5 8.6 | 1716 | 50.8 0.0 | 0604 | 27.9 20.6 | 100 12 | 0 21 | 4.0 | 18.1 0.4 | 1946 | SSW | 208 | 0.00 | 0.00 | 0.209 0.047 | 654 51 | 90 20 |
| Napa-West Lower (Truchard) | 7/17/26 | 79.9 8.6 | 1641 | 43.3 0.0 | 0400 | 50.6 4.0 | 94 1 | 41 20 | - | - | - | - | - | - | - | - | 90 20 |
| Napa-South (Toyon Farms) | 7/17/26 | 75.5 9.6 | 1538 | 50.2 1.8 | 0504 | 54.8 3.0 | 99 10 | 55 24 | 4.5 | 16.5 0.8 | 1752 | S | 171 | 0.00 | 0.00 | 0.115 0.029 | 374 17 | 100 0 |
| Toyon Remote 1 | 7/17/26 | 76.1 12.2 | 1716 | 45.3 0.5 | 0552 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 2 | 7/17/26 | 75.1 10.0 | 1635 | 44.8 0.9 | 0607 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 3 | 7/17/26 | 76.7 11.7 | 1713 | 44.4 0.2 | 0543 | - | - | - | - | - | - | - | - | - | - | - | - |
| Dealy Lane (Ranch 80) | 7/17/26 | 78.8 6.8 | 1717 | 46.0 2.8 | 0554 | 51.4 4.1 | 95 6 | 37 14 | 3.1 | 16.4 1.2 | 1202 | SSE | 156 | 0.00 | 0.00 | 0.193 0.039 | 659 48 | 100 0 |
| Carneros (Saintsbury) | 7/17/26 | 74.8 10.5 | 1708 | 45.7 4.4 | 0549 | 51.7 3.4 | 100 14 | 50 25 | 5.1 | 18.3 1.4 | 1742 | S | 189 | 0.00 | 0.00 | - | - | 90 10 |
| Suscol Lower (Ranch 35) | 7/17/26 | 76.7 8.9 | 1533 | 52.5 1.2 | 0004 | 52.7 3.0 | 93 6 | 43 21 | 4.9 | 17.3 0.3 | 1604 | SSW | 201 | 0.00 | 0.00 | 0.185 0.042 | 582 64 | 100 0 |
| Suscol Mtn (Ranch 93) | 7/17/26 | 79.1 6.1 | 1550 | 52.5 2.0 | 0057 | 53.5 3.7 | 98 5 | 43 18 | 6.3 | 16.7 4.7 | 1616 | WNW | 299 | 0.00 | 0.00 | - | - | 100 20 |
| Suscol Upper (Ranch 92) | 7/17/26 | 75.4 5.8 | 1600 | 53.3 1.4 | 0058 | 33.3 16.9 | 100 8 | 0 26 | 3.9 | 15.4 3.1 | 1745 | SSW | 200 | 0.00 | 0.00 | - | - | 30 10 |
| Stanly (Ranch 45) | 7/16/26 | 84.3 5.4 | 1605 | 47.8 11.2 | 0632 | 49.5 3.7 | 90 10 | 24 7 | 5.6 | 19.0 1.8 | 1501 | S | 182 | 0.00 | 0.00 | 0.268 0.005 | 767 18 | 100 0 |
| Carneros Upper (Ranch 81) | 7/17/26 | 78.1 4.1 | 1721 | 52.2 2.0 | 0531 | 52.0 4.9 | - | - | 6.3 | 20.8 4.2 | 2130 | W | 266 | - | - | - | - | 100 0 |
| Carneros (Mitsuko) | 7/17/26 | 76.2 9.2 | 1701 | 42.3 1.7 | 0544 | - | - | - | - | - | - | - | - | - | - | - | 100 0 |
| Carneros Lower (Ranch 81) | 7/17/26 | 81.1 8.9 | 1745 | 46.3 3.8 | 0546 | 49.5 0.8 | 100 0 | 0 0 | 1.7 | 13.7 1.5 | 1557 | S | 179 | 0.00 | 0.00 | 0.183 0.024 | 623 33 | 90 20 |
| Carneros (Milton Rd) | 7/17/26 | 74.5 10.4 | 1606 | 46.2 1.8 | 0505 | 51.7 3.8 | 93 1 | 48 24 | - | - | - | - | 0.00 | 0.00 | - | - | 90 10 |
| Max | 100.5 | - | 53.3 | - | 54.8 | 100 | 55 | 6.3 | 20.8 | - | - | 0.00 | 0.00 | 0.282 | 1,103 | - | |
| Avg | - | - | - | - | 49.4 | - | - | 3.8 | - | - | - | - | - | - | - | - | |
| Min | 74.5 | - | 42.3 | - | 27.9 | 84 | 0 | 1.6 | 11.5 | - | - | 0.00 | 0.00 | 0.115 | 374 | - |