| 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 | 4/16/26 | 64.8 1.7 | 1535 | 34.2 0.1 | 0628 | - | - | - | - | - | - | - | 0.00 | 47.36 | - | - | 10 10 |
| Pope Valley (Weeks Lake) | 4/16/26 | 67.7 2.2 | 1522 | 35.3 0.7 | 0640 | 23.7 19.5 | 100 0 | 9 29 | 4.7 | 21.9 3.3 | 1421 | NNE | 25 | 0.00 | 24.05 | 0.196 0.064 | 583 123 | 20 10 |
| Whiskey River Winery | 12/13/25 | 52.8 3.6 | 1548 | 37.3 0.3 | 0759 | 36.3 2.0 | 88 11 | 68 4 | 0.0 | 0.0 2.4 | 0001 | SE | 128 | 0.00 | 7.07 | - | - | - |
| Dollarhide Base | 4/16/26 | 69.2 1.8 | 1604 | 41.4 1.7 | 0641 | 28.9 17.3 | 100 0 | 12 29 | 6.2 | 26.8 4.6 | 1538 | NW | 304 | 0.00 | 21.37 | 0.227 0.070 | 659 135 | 30 10 |
| Dollarhide 1AS Remote | 4/16/26 | 69.9 0.7 | 1656 | 35.5 1.8 | 0641 | 28.4 16.6 | 95 0 | 13 31 | 4.5 | 23.2 2.8 | 1334 | NNE | 16 | - | - | - | - | 20 10 |
| Dollarhide 17B Remote | 4/16/26 | 69.8 2.0 | 1614 | 36.7 1.0 | 0714 | 30.6 15.2 | 100 0 | 15 28 | - | - | - | - | - | - | - | - | 30 10 |
| Dollarhide 18A Remote | 4/16/26 | 70.6 0.6 | 1601 | 34.6 0.9 | 0611 | 29.0 15.5 | 100 0 | 14 32 | - | - | - | - | - | - | - | - | 20 10 |
| Angwin | 4/16/26 | 60.4 0.8 | 1611 | 41.3 3.8 | 0606 | 20.0 20.8 | 95 5 | 9 28 | 10.6 | 28.2 8.9 | 1516 | NNW | 334 | 0.00 | 42.26 | 0.119 0.101 | 0 0 | 0 0 |
| Lower Angwin (Pioneer) | 4/16/26 | 63.1 0.7 | 1542 | 38.7 3.2 | 0222 | - | - | - | 5.8 | 22.9 6.9 | 1414 | N | 0 | - | - | - | - | 0 0 |
| Deer Park | 4/16/26 | 70.8 0.2 | 1538 | 45.6 2.6 | 0531 | 23.1 21.0 | 94 4 | 6 32 | 6.2 | 30.8 10.1 | 0003 | NNW | 345 | 0.00 | 26.38 | 0.190 0.072 | 432 72 | 20 10 |
| Lower Chiles Valley (Brown) | 4/16/26 | 66.8 0.4 | 1744 | 37.1 2.3 | 0448 | 24.2 19.0 | 100 0 | 9 31 | 5.3 | 20.2 3.7 | 1318 | ENE | 74 | 0.00 | 23.68 | 0.209 0.069 | 630 98 | 20 10 |
| Moss Creek Vineyard/Reservior | 4/15/26 | 71.1 2.7 | 1550 | 38.9 0.5 | 0610 | 44.3 0.1 | 100 0 | 32 10 | - | - | - | - | 0.00 | 25.15 | - | - | 40 10 |
| Max | 71.1 | - | 45.6 | - | 44.3 | 100 | 32 | 10.6 | 30.8 | - | - | 0.00 | 47.36 | 0.227 | 659 | - | |
| Avg | - | - | - | - | 28.0 | - | - | 6.2 | - | - | - | - | - | - | - | - | |
| Min | 60.4 | - | 34.2 | - | 20.0 | 94 | 6 | 4.5 | 20.2 | - | - | 0.00 | 21.37 | 0.119 | 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 | 4/16/26 | 74.4 1.2 | 1530 | 42.8 4.4 | 0708 | 28.7 17.1 | 98 0 | 10 30 | - | - | - | - | 0.00 | 30.66 | - | - | 20 20 |
| Fotsch (Maple Lane) | 3/9/26 | 75.9 3.7 | 1625 | 41.4 5.5 | 0743 | 44.5 1.8 | 97 3 | 26 3 | 3.3 | 15.6 1.3 | 1413 | WSW | 249 | 0.00 | 26.01 | - | - | 0 0 |
| Diamond Mtn (Schramsberg) | 4/16/26 | 69.9 0.6 | 1545 | 45.0 5.2 | 0339 | 23.2 21.7 | 100 0 | 7 32 | - | - | - | - | 0.00 | 29.18 | - | - | 20 10 |
| Diamond Mtn (McEachran) | 4/16/26 | 71.2 2.7 | 1639 | 45.1 3.6 | 0522 | 21.9 22.2 | 95 0 | 6 33 | - | - | - | - | - | - | - | - | 20 10 |
| St. Helena-North | 4/16/26 | 74.7 3.2 | 1545 | 41.5 1.8 | 0649 | 21.5 21.4 | 91 9 | 3 27 | 2.3 | 16.5 1.3 | 2352 | NW | 310 | 0.00 | 28.40 | 0.164 0.041 | 518 92 | 20 10 |
| St. Helena (NVV Office) | 4/16/26 | 74.2 2.5 | 1554 | 43.6 2.2 | 0639 | - | - | - | 2.4 | 16.6 4.8 | 1446 | NNE | 13 | 0.00 | 26.38 | - | - | 30 10 |
| Tiara Fria (East St. Helena) | 4/16/26 | 71.5 1.7 | 1603 | 43.5 2.5 | 0613 | 23.5 21.6 | 96 1 | 6 32 | 4.3 | 23.6 8.1 | 1431 | NNW | 346 | 0.00 | 24.36 | - | - | 20 10 |
| Rutherford Hill Estate | 4/16/26 | 73.0 2.1 | 1631 | 46.4 4.1 | 0549 | 25.2 20.3 | 91 9 | 8 29 | 2.4 | 17.3 3.7 | 1251 | NE | 40 | 0.00 | 23.16 | 0.167 0.035 | 542 69 | 20 10 |
| Rutherford-North (Mee Ln) | 4/16/26 | 73.5 2.3 | 1618 | 40.0 4.2 | 0626 | 26.5 17.7 | 97 0 | 9 26 | 3.9 | 21.7 5.5 | 1209 | NNW | 327 | 0.00 | 22.65 | 0.194 0.059 | 559 92 | 30 10 |
| Rutherford (STS) | 4/16/26 | 72.6 1.4 | 1554 | 41.6 2.7 | 0620 | 29.1 16.8 | 91 1 | 13 27 | 5.1 | 20.6 6.9 | 1200 | NE | 34 | 0.00 | 23.91 | 0.227 0.079 | 660 112 | 30 10 |
| Oakville-NE (Ranch 88) | 4/16/26 | 72.6 1.3 | 1406 | 40.8 2.3 | 0700 | 23.3 20.4 | 100 0 | 6 25 | 5.3 | 24.4 9.1 | 1638 | N | 9 | 0.00 | 23.05 | 0.227 0.087 | 611 106 | 0 0 |
| OV561-East | 4/16/26 | 75.8 5.5 | 1658 | 42.6 2.9 | 0640 | - | - | - | - | - | - | - | - | - | - | - | 0 10 |
| Oakville | 4/16/26 | 71.7 2.6 | 1420 | 42.0 2.2 | 0520 | 24.1 20.6 | 97 1 | 6 31 | 5.9 | 21.6 2.8 | 1847 | NW | 312 | 0.00 | 23.59 | 0.234 0.084 | 638 93 | 20 10 |
| OV518-West | 4/16/26 | 72.1 3.8 | 1627 | 42.8 3.1 | 0544 | - | - | - | - | - | - | - | - | - | - | - | 20 10 |
| To Kalon Remote (TKKE) | 4/16/26 | 74.0 2.8 | 1611 | 41.4 3.8 | 0602 | - | - | - | - | - | - | - | - | - | - | - | 30 10 |
| To Kalon | 4/16/26 | 72.0 2.8 | 1613 | 42.5 2.9 | 0639 | 25.4 20.2 | 98 1 | 9 32 | 5.5 | 20.0 2.8 | 1523 | N | 352 | 0.00 | 25.72 | 0.221 0.084 | 589 90 | 20 10 |
| To Kalon Remote (TKN5) | 4/16/26 | 72.9 2.8 | 1556 | 41.9 3.0 | 0627 | - | - | - | - | - | - | - | - | - | - | - | 10 10 |
| Yountville (Ranch 67) | 4/16/26 | 71.9 2.7 | 1426 | 42.9 3.6 | 0438 | 23.3 20.6 | 97 0 | 7 27 | 6.4 | 22.1 9.7 | 1658 | NNW | 335 | 0.00 | 21.74 | 0.239 0.092 | 675 90 | 20 10 |
| Stags Leap Dist (Silverado Vineyards) | 4/16/26 | 71.8 0.7 | 1622 | 42.3 3.7 | 0510 | 24.5 19.7 | 96 1 | 6 28 | 3.7 | 17.9 9.4 | 0958 | NNW | 333 | 0.00 | 25.83 | 0.207 0.076 | 618 107 | 30 10 |
| Borreo (Soda Canyon) | 4/16/26 | 69.5 1.3 | 1428 | 39.9 1.8 | 0550 | 21.5 21.9 | 97 1 | 7 27 | 5.5 | 20.7 6.3 | 2357 | W | 273 | 0.00 | 25.72 | 0.230 0.089 | 657 107 | 10 10 |
| Wappo Hill Floor | 4/16/26 | 73.6 2.4 | 1438 | 40.1 2.2 | 0615 | 24.4 20.4 | 100 0 | 6 29 | 8.6 | 29.3 15.0 | 0030 | N | 354 | 0.00 | 25.08 | 0.256 0.114 | 601 86 | 30 10 |
| Stags Leap Dist (Chimney Rock) | 4/16/26 | 73.1 2.7 | 1357 | 41.2 2.3 | 0608 | 29.9 16.1 | 100 0 | 12 26 | 7.1 | 28.1 15.8 | 0008 | NW | 318 | 0.00 | 24.34 | 0.228 0.097 | 564 86 | 20 10 |
| Yountville-South (Ranch 87) | 4/16/26 | 73.7 3.0 | 1448 | 43.0 2.8 | 0651 | 27.0 18.8 | 100 0 | 8 26 | 3.0 | 16.5 4.8 | 0959 | NW | 309 | 0.00 | 25.67 | 0.194 0.057 | 614 112 | 20 20 |
| Yountville-SE (Ranch 85) | 4/16/26 | 72.4 2.0 | 1500 | 43.8 3.0 | 0626 | 26.6 19.5 | 100 0 | 6 29 | 6.2 | 25.0 13.0 | 0056 | N | 0 | 0.00 | 23.95 | - | 0 0 | 0 10 |
| Oak Knoll-East (Ranch 53) | 4/16/26 | 74.3 2.8 | 1503 | 43.0 2.6 | 0646 | 24.8 22.9 | 96 0 | 6 27 | 5.9 | 22.6 7.7 | 0019 | N | 4 | 0.00 | 22.43 | 0.237 0.110 | 650 115 | 0 0 |
| Napa-NW (Ranch 54) | 4/16/26 | 72.7 2.6 | 1655 | 44.6 2.9 | 0615 | 25.3 20.4 | 100 0 | 7 26 | 4.1 | 16.5 2.4 | 1559 | NE | 37 | 0.00 | 24.86 | - | 0 0 | 30 10 |
| Napa-North (Ranch 29) | 4/16/26 | 72.2 4.3 | 1636 | 44.4 3.9 | 0724 | 27.3 19.2 | 100 0 | 7 39 | 2.9 | 19.6 3.1 | 1427 | N | 349 | 0.00 | 22.49 | 0.146 0.044 | 399 50 | 30 10 |
| Max | 75.8 | - | 46.4 | - | 29.9 | 100 | 13 | 8.6 | 29.3 | - | - | 0.00 | 30.66 | 0.256 | 675 | - | |
| Avg | - | - | - | - | 25.1 | - | - | 4.8 | - | - | - | - | - | - | - | - | |
| Min | 69.5 | - | 39.9 | - | 21.5 | 91 | 3 | 2.3 | 16.5 | - | - | 0.00 | 21.74 | 0.146 | 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 | 4/16/26 | 65.8 1.9 | 1412 | 42.9 0.5 | 0629 | 24.9 19.2 | 96 1 | 11 28 | 4.7 | 21.8 13.0 | 0030 | N | 0 | 0.00 | 31.92 | 0.178 0.065 | 512 85 | 0 0 |
| Mount George (Napa East) | 4/16/26 | 71.1 2.1 | 1228 | 47.6 2.3 | 0654 | 31.8 18.3 | 100 0 | 9 40 | 4.2 | 23.8 8.7 | 0939 | N | 6 | 0.00 | 14.31 | 0.216 0.075 | 626 96 | 20 10 |
| Napa-East (Palmaz 300') | 4/16/26 | 73.0 4.4 | 1529 | 42.4 1.7 | 0639 | 26.9 19.1 | 100 0 | 7 36 | 2.8 | 17.4 3.7 | 1002 | NE | 53 | 0.00 | 20.64 | 0.169 0.044 | 523 70 | 30 10 |
| Napa-East (Palmaz 1200') | 4/16/26 | 67.2 4.0 | 1459 | 40.9 2.8 | 0530 | 22.6 19.4 | 100 0 | 10 27 | 3.3 | 17.5 1.2 | 2351 | W | 264 | - | - | 0.184 0.056 | 632 100 | 0 0 |
| Napa-East (Palmaz 1400') | 4/16/26 | 65.6 3.1 | 1456 | 41.4 2.1 | 0503 | 24.9 20.6 | 100 0 | 13 42 | 6.1 | 25.4 10.4 | 1058 | N | 0 | 0.00 | 27.92 | 0.199 0.076 | 607 103 | 0 0 |
| Wooden Valley | 4/16/26 | 67.3 1.7 | 1725 | 39.4 0.2 | 0656 | 25.3 19.0 | 96 1 | 10 37 | 5.5 | 23.1 5.5 | 1332 | NNW | 344 | 0.00 | 26.48 | 0.211 0.075 | 645 109 | 0 0 |
| Napa-West Upper (Truchard) | 4/16/26 | 73.5 5.6 | 1440 | 45.2 2.8 | 0601 | 0.7 12.3 | 100 0 | 0 0 | 6.2 | 23.6 2.0 | 2317 | N | 6 | 0.00 | 22.19 | 0.236 0.088 | 633 96 | 0 10 |
| Napa-West Lower (Truchard) | 4/16/26 | 77.5 6.6 | 1456 | 39.8 3.6 | 0656 | 25.7 18.9 | 100 0 | 7 31 | - | - | - | - | - | - | - | - | 30 20 |
| Napa-South (Toyon Farms) | 4/16/26 | 75.1 7.6 | 1513 | 44.4 2.4 | 0826 | 33.9 14.2 | 100 0 | 13 42 | 2.6 | 12.0 6.7 | 1449 | N | 5 | 0.00 | 15.95 | 0.111 0.037 | 298 42 | 0 10 |
| Toyon Remote 1 | 4/16/26 | 73.6 2.9 | 1526 | 40.6 6.1 | 0500 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 2 | 4/16/26 | 74.3 6.5 | 1709 | 43.2 5.0 | 0453 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 3 | 4/16/26 | 75.4 4.7 | 1431 | 43.2 5.1 | 0453 | - | - | - | - | - | - | - | - | - | - | - | - |
| Dealy Lane (Ranch 80) | 4/16/26 | 73.0 5.2 | 1609 | 43.2 3.1 | 0605 | 26.8 18.6 | 97 0 | 7 38 | 5.1 | 20.1 3.3 | 2326 | ENE | 60 | 0.00 | 21.57 | 0.216 0.078 | 619 100 | 60 20 |
| Carneros (Saintsbury) | 4/16/26 | 72.9 6.1 | 1520 | 42.8 4.0 | 0656 | 28.4 17.2 | 100 0 | 7 41 | 3.9 | 18.3 3.1 | 1505 | NW | 314 | 0.00 | 7.63 | - | - | 0 0 |
| Suscol Lower (Ranch 35) | 4/16/26 | 73.6 5.6 | 1513 | 42.6 2.4 | 0607 | 26.9 18.6 | - | - | 6.7 | 24.8 5.0 | 0953 | N | 6 | 0.00 | 20.34 | 0.230 0.097 | 579 103 | 20 10 |
| Suscol Mtn (Ranch 93) | 4/16/26 | 69.9 4.2 | 1604 | 45.6 2.9 | 0431 | 23.3 21.8 | 100 2 | 8 40 | 9.7 | 33.1 5.4 | 1128 | NE | 35 | 0.00 | 16.11 | - | - | 0 0 |
| Suscol Upper (Ranch 92) | 4/16/26 | 71.0 7.5 | 1509 | 44.7 1.7 | 0622 | 21.5 17.4 | 100 0 | 3 0 | 6.1 | 25.7 1.5 | 1052 | NNW | 337 | 0.00 | 19.99 | - | - | 0 0 |
| Stanly (Ranch 45) | 4/16/26 | 73.9 6.9 | 1505 | 43.6 4.5 | 0604 | 27.8 17.4 | 97 0 | 7 38 | 5.7 | 22.9 1.1 | 1517 | NE | 40 | 0.01 | 22.18 | 0.244 0.092 | 687 114 | 30 10 |
| Carneros Upper (Ranch 81) | 4/16/26 | 72.1 7.0 | 1503 | 46.1 2.3 | 0557 | -0.2 45.8 | - | - | 7.6 | 26.1 1.1 | 2144 | N | 354 | - | - | - | - | 0 0 |
| Carneros (Mitsuko) | 4/16/26 | 74.1 6.9 | 1431 | 40.2 4.4 | 0503 | - | - | - | - | - | - | - | - | - | - | - | 0 0 |
| Carneros Lower (Ranch 81) | 4/16/26 | 72.7 3.6 | 1603 | 41.6 2.3 | 0648 | 21.7 19.9 | 100 0 | 0 0 | 4.6 | 19.3 8.0 | 2130 | NNW | 346 | 0.00 | 17.96 | 0.203 0.084 | 532 87 | 0 0 |
| Carneros (Milton Rd) | 4/16/26 | 75.2 7.1 | 1521 | 40.7 3.2 | 0546 | 29.1 15.9 | 96 0 | 7 38 | - | - | - | - | 0.00 | 18.04 | - | - | 0 0 |
| Max | 77.5 | - | 47.6 | - | 33.9 | 100 | 13 | 9.7 | 33.1 | - | - | 0.01 | 31.92 | 0.244 | 687 | - | |
| Avg | - | - | - | - | 23.4 | - | - | 5.3 | - | - | - | - | - | - | - | - | |
| Min | 65.6 | - | 39.4 | - | -0.2 | 96 | 0 | 2.6 | 12.0 | - | - | 0.00 | 7.63 | 0.111 | 298 | - |