| 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 | 4/2/26 | 61.2 5.7 | 1811 | 33.6 10.6 | 0534 | - | - | - | - | - | - | - | 0.00 | 43.59 | - | - | 60 10 |
| Pope Valley (Weeks Lake) | 4/2/26 | 63.8 3.5 | 1629 | 34.8 15.4 | 0541 | 34.9 13.6 | 100 0 | 27 33 | 3.0 | 14.7 4.8 | 1601 | N | 5 | 0.00 | 22.17 | 0.143 0.081 | 533 339 | 70 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 | 4/2/26 | 66.1 5.5 | 1610 | 38.6 12.9 | 0712 | 38.1 12.5 | 98 0 | 31 34 | 4.9 | 21.4 5.1 | 0113 | WSW | 256 | 0.00 | 19.65 | 0.167 0.096 | 605 378 | 70 10 |
| Dollarhide 1AS Remote | 4/2/26 | 66.8 4.6 | 1718 | 35.1 15.7 | 0652 | 38.7 11.5 | 95 1 | 30 35 | 3.0 | 15.6 6.3 | 1313 | NNE | 21 | - | - | - | - | 70 10 |
| Dollarhide 17B Remote | 4/2/26 | 67.1 6.3 | 1652 | 35.8 14.7 | 0557 | 39.1 11.7 | 98 1 | 31 37 | - | - | - | - | - | - | - | - | 70 10 |
| Dollarhide 18A Remote | 4/2/26 | 67.1 7.7 | 1712 | 34.1 16.0 | 0054 | 37.6 12.4 | 100 0 | 30 36 | - | - | - | - | - | - | - | - | 70 10 |
| Angwin | 4/2/26 | 56.4 8.4 | 1621 | 37.8 4.4 | 0502 | 31.1 15.0 | 100 0 | 32 54 | 6.8 | 26.0 1.0 | 0001 | NNW | 336 | 0.01 | 39.79 | 0.047 0.045 | 0 0 | 60 10 |
| Lower Angwin (Pioneer) | 4/2/26 | 58.8 6.8 | 1629 | 34.8 9.7 | 0423 | - | - | - | 3.3 | 14.9 3.9 | 0010 | N | 353 | - | - | - | - | 70 10 |
| Deer Park | 4/2/26 | 65.2 8.0 | 1622 | 42.0 7.6 | 0646 | 35.9 13.2 | 89 8 | 25 40 | 5.2 | 15.6 0.9 | 2257 | N | 3 | 0.00 | 24.32 | 0.129 0.095 | 377 290 | 70 10 |
| Lower Chiles Valley (Brown) | 4/2/26 | 63.5 7.2 | 1633 | 37.3 11.9 | 0530 | 35.6 13.1 | 98 1 | 25 44 | 3.4 | 14.3 2.1 | 1246 | NNW | 337 | 0.01 | 21.36 | 0.150 0.110 | 572 463 | 70 10 |
| Moss Creek Vineyard/Reservior | 4/2/26 | 64.5 5.5 | 1730 | 39.7 10.5 | 0537 | 36.6 13.2 | 95 0 | 22 51 | - | - | - | - | 0.00 | 23.90 | - | - | 30 10 |
| Max | 67.1 | - | 42.0 | - | 39.1 | 100 | 32 | 6.8 | 26.0 | - | - | 0.01 | 43.59 | 0.167 | 605 | - | |
| Avg | - | - | - | - | 36.4 | - | - | 4.2 | - | - | - | - | - | - | - | - | |
| Min | 56.4 | - | 33.6 | - | 31.1 | 89 | 22 | 3.0 | 14.3 | - | - | 0.00 | 19.65 | 0.047 | 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 | 4/2/26 | 71.2 10.4 | 1550 | 37.6 12.7 | 0700 | 42.3 9.4 | 100 0 | 33 34 | - | - | - | - | 0.00 | 28.45 | - | - | 20 10 |
| 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) | 4/2/26 | 65.2 5.5 | 1757 | 40.0 7.4 | 0626 | 38.0 11.8 | 100 0 | 29 33 | - | - | - | - | 0.00 | 27.04 | - | - | 70 10 |
| Diamond Mtn (McEachran) | 4/2/26 | 68.4 9.2 | 1700 | 40.8 9.3 | 0626 | 39.2 10.8 | 97 2 | 25 36 | - | - | - | - | - | - | - | - | 60 10 |
| St. Helena-North | 4/2/26 | 67.8 5.0 | 1620 | 40.4 10.4 | 0621 | 38.6 11.4 | 100 0 | 21 30 | 2.1 | 14.9 0.4 | 1343 | ESE | 114 | 0.00 | 27.35 | 0.126 0.066 | 460 263 | 60 10 |
| St. Helena (NVV Office) | 4/2/26 | 68.6 6.0 | 1708 | 42.2 10.0 | 0646 | - | - | - | 1.7 | 11.8 0.0 | 1728 | NE | 54 | 0.00 | 24.05 | - | - | 60 10 |
| Tiara Fria (East St. Helena) | 4/2/26 | 66.6 6.4 | 1721 | 42.4 9.6 | 0623 | 39.2 11.0 | 94 2 | 25 30 | 3.6 | 15.7 0.4 | 1545 | NE | 43 | 0.00 | 22.33 | - | - | 60 10 |
| Rutherford Hill Estate | 4/2/26 | 69.8 11.7 | 1545 | 42.8 7.0 | 0633 | 37.0 13.8 | 91 9 | 23 45 | 2.2 | 12.5 2.4 | 1511 | SE | 135 | 0.00 | 21.81 | 0.129 0.096 | 468 369 | 70 10 |
| Rutherford-North (Mee Ln) | 4/2/26 | 70.2 7.8 | 1658 | 39.3 8.4 | 0710 | 39.8 8.9 | 95 2 | 25 33 | 2.6 | 12.9 3.7 | 1356 | ENE | 61 | 0.00 | 20.92 | 0.133 0.078 | 489 324 | 70 10 |
| Rutherford (STS) | 4/2/26 | 69.4 4.2 | 1602 | 40.0 11.4 | 0653 | 41.4 9.0 | 92 2 | 29 30 | 3.0 | 13.4 8.0 | 1714 | NE | 40 | 0.00 | 22.08 | 0.153 0.084 | 569 331 | 60 10 |
| Oakville-NE (Ranch 88) | 4/2/26 | 69.7 8.8 | 1610 | 38.9 13.3 | 0633 | 37.1 13.0 | 99 1 | 21 39 | 2.8 | 14.8 2.4 | 1258 | ESE | 109 | 0.00 | 21.48 | 0.156 0.107 | 566 422 | 0 0 |
| OV561-East | 4/2/26 | 72.3 11.5 | 1729 | 38.0 14.0 | 0710 | - | - | - | - | - | - | - | - | - | - | - | 50 10 |
| Oakville | 4/2/26 | 69.1 8.6 | 1817 | 37.7 14.4 | 0702 | 37.8 12.6 | 97 0 | 23 39 | 3.4 | 14.0 2.6 | 1653 | N | 6 | 0.01 | 21.93 | 0.158 0.106 | 578 432 | 50 10 |
| OV518-West | 4/2/26 | 68.6 8.3 | 1834 | 39.1 13.0 | 0649 | - | - | - | - | - | - | - | - | - | - | - | 50 10 |
| To Kalon Remote (TKKE) | 4/2/26 | 70.0 5.9 | 1634 | 38.1 13.7 | 0705 | - | - | - | - | - | - | - | - | - | - | - | 60 10 |
| To Kalon | 4/2/26 | 69.2 8.1 | 1802 | 38.8 13.0 | 0646 | 39.1 12.0 | 98 0 | 25 39 | 2.8 | 11.3 3.8 | 0039 | NNW | 337 | 0.00 | 23.88 | 0.144 0.094 | 525 376 | 70 10 |
| To Kalon Remote (TKN5) | 4/2/26 | 69.0 7.8 | 1639 | 38.6 13.8 | 0627 | - | - | - | - | - | - | - | - | - | - | - | 60 10 |
| Yountville (Ranch 67) | 4/2/26 | 67.4 6.7 | 1654 | 37.8 13.6 | 0639 | 37.2 13.2 | 98 0 | 23 37 | 3.5 | 15.3 1.0 | 1342 | N | 352 | 0.01 | 20.20 | 0.157 0.097 | 597 394 | 50 10 |
| Stags Leap Dist (Silverado Vineyards) | 4/2/26 | 68.8 8.5 | 1646 | 37.3 13.6 | 0637 | 37.0 13.2 | 97 0 | 22 41 | 1.9 | 13.1 1.6 | 1656 | N | 0 | 0.01 | 24.16 | 0.146 0.095 | 534 379 | 60 10 |
| Borreo (Soda Canyon) | 4/2/26 | 65.8 8.0 | 1608 | 35.7 14.3 | 0642 | 34.3 16.0 | 98 0 | 23 45 | 3.2 | 20.4 6.6 | 0058 | NE | 52 | 0.00 | 24.10 | 0.162 0.122 | 591 463 | 60 10 |
| Wappo Hill Floor | 4/2/26 | 69.8 8.7 | 1706 | 36.8 13.2 | 0632 | 38.7 12.6 | 100 0 | 23 42 | 4.0 | 19.3 5.8 | 0046 | WNW | 296 | 0.01 | 23.50 | 0.156 0.104 | 544 389 | 50 10 |
| Stags Leap Dist (Chimney Rock) | 4/2/26 | 68.0 7.2 | 1700 | 38.4 14.0 | 0622 | 39.5 13.2 | 100 0 | 28 42 | 3.5 | 20.9 4.2 | 1319 | N | 3 | 0.00 | 22.77 | 0.145 0.095 | 509 358 | 50 10 |
| Yountville-South (Ranch 87) | 4/2/26 | 69.5 8.9 | 1708 | 38.6 13.1 | 0637 | 39.1 13.0 | 100 0 | 25 41 | 2.3 | 14.4 1.6 | 1545 | NNW | 337 | 0.00 | 23.91 | 0.135 0.085 | 487 335 | 30 10 |
| Yountville-SE (Ranch 85) | 4/2/26 | 68.5 7.0 | 1657 | 39.9 11.5 | 0703 | 39.1 12.9 | 100 0 | 23 42 | 2.8 | 13.8 0.9 | 1443 | NE | 51 | 0.00 | 22.44 | - | 0 0 | 50 10 |
| Oak Knoll-East (Ranch 53) | 4/2/26 | 70.2 8.7 | 1730 | 40.2 12.1 | 0631 | 38.7 12.5 | 95 0 | 21 43 | 2.3 | 13.7 0.5 | 1354 | NNW | 342 | 0.00 | 20.76 | 0.142 0.093 | 528 387 | 30 10 |
| Napa-NW (Ranch 54) | 4/2/26 | 68.0 5.4 | 1635 | 40.3 11.1 | 0548 | 39.1 12.7 | 100 0 | 23 40 | 2.4 | 13.3 1.8 | 1529 | NNW | 343 | 0.00 | 23.03 | - | 0 0 | 50 10 |
| Napa-North (Ranch 29) | 4/2/26 | 68.0 6.5 | 1732 | 40.5 12.2 | 0728 | 40.3 12.9 | 100 0 | 22 43 | 1.7 | 12.3 4.4 | 1530 | N | 1 | 0.00 | 20.62 | 0.103 0.065 | 359 257 | 50 10 |
| Max | 72.3 | - | 42.8 | - | 42.3 | 100 | 33 | 4.0 | 20.9 | - | - | 0.01 | 28.45 | 0.162 | 597 | - | |
| Avg | - | - | - | - | 38.7 | - | - | 2.7 | - | - | - | - | - | - | - | - | |
| Min | 65.2 | - | 35.7 | - | 34.3 | 91 | 21 | 1.7 | 11.3 | - | - | 0.00 | 20.20 | 0.103 | 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 | 4/2/26 | 60.5 4.1 | 1458 | 40.2 5.4 | 0625 | 36.2 12.7 | 94 6 | 34 41 | 2.1 | 13.8 1.0 | 0440 | NW | 326 | 0.00 | 29.86 | 0.208 0.066 | 1,098 214 | 70 10 |
| Mount George (Napa East) | 4/2/26 | 75.6 15.7 | 1822 | 39.2 14.0 | 0705 | 43.4 9.9 | 99 1 | 23 48 | 2.0 | 17.2 3.9 | 1614 | NW | 308 | 0.00 | 12.38 | 0.160 0.119 | 566 428 | 50 10 |
| Napa-East (Palmaz 300') | 4/2/26 | 68.5 9.0 | 1634 | 40.4 12.1 | 0645 | 38.9 13.7 | 100 0 | 19 51 | 2.1 | 15.3 1.8 | 1715 | ENE | 69 | 0.01 | 18.82 | 0.141 0.108 | 523 421 | 50 10 |
| Napa-East (Palmaz 1200') | 4/1/26 | 53.1 8.7 | 1020 | 48.8 3.3 | 0057 | 37.0 6.4 | 100 0 | 40 36 | 2.6 | 15.0 0.8 | 1302 | NW | 305 | - | - | 0.037 0.012 | 48 79 | 70 10 |
| Napa-East (Palmaz 1400') | 4/2/26 | 60.9 8.5 | 1551 | 39.7 7.8 | 0527 | 36.3 14.4 | 100 0 | 30 69 | 3.8 | 16.3 0.5 | 2247 | NE | 38 | 0.01 | 25.60 | 0.139 0.128 | 546 493 | 60 10 |
| Wooden Valley | 4/2/26 | 64.0 7.6 | 1657 | 38.3 12.3 | 0453 | 36.6 13.2 | 96 3 | 24 50 | 3.0 | 14.8 2.5 | 1511 | NW | 316 | 0.00 | 24.50 | 0.148 0.111 | 579 466 | 60 10 |
| Napa-West Upper (Truchard) | 4/2/26 | 69.7 10.1 | 1658 | 42.0 8.5 | 0600 | 40.1 53.0 | 100 0 | 23 22 | 3.0 | 15.8 0.4 | 1324 | N | 3 | 0.00 | 20.48 | 0.152 0.091 | 558 447 | 50 10 |
| Napa-West Lower (Truchard) | 4/2/26 | 73.3 12.3 | 1641 | 36.2 12.2 | 0631 | 39.6 11.7 | 100 0 | 21 49 | - | - | - | - | - | - | - | - | 50 10 |
| Napa-South (Toyon Farms) | 4/2/26 | 70.2 10.1 | 1617 | 42.0 10.4 | 0549 | 44.7 9.1 | 100 0 | 30 47 | 1.5 | 10.5 3.0 | 1749 | WSW | 237 | 0.01 | 14.27 | 0.076 0.059 | 267 201 | 50 10 |
| Toyon Remote 1 | 4/2/26 | 69.4 8.0 | 1705 | 35.0 14.6 | 0622 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 2 | 4/2/26 | 68.9 8.3 | 1545 | 37.2 14.3 | 0636 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 3 | 4/2/26 | 70.7 8.6 | 1658 | 36.9 13.9 | 0643 | - | - | - | - | - | - | - | - | - | - | - | - |
| Dealy Lane (Ranch 80) | 4/2/26 | 67.4 6.0 | 1617 | 39.9 11.1 | 0051 | 40.4 11.3 | 95 2 | 24 43 | 2.4 | 12.8 1.4 | 1252 | NW | 324 | 0.01 | 19.68 | 0.147 0.099 | 555 394 | 50 10 |
| Carneros (Saintsbury) | 4/2/26 | 67.6 6.9 | 1628 | 40.0 9.2 | 0557 | 40.8 10.3 | 100 0 | 25 45 | 3.0 | 14.4 1.1 | 1725 | W | 273 | 0.01 | 5.97 | - | - | 0 0 |
| Suscol Lower (Ranch 35) | 4/2/26 | 69.0 8.3 | 1653 | 39.6 12.8 | 0648 | 39.5 13.3 | - | - | 4.1 | 15.7 2.1 | 1439 | N | 6 | 0.00 | 18.65 | 0.148 0.111 | 526 424 | 50 10 |
| Suscol Mtn (Ranch 93) | 4/2/26 | 66.7 10.4 | 1706 | 42.4 7.0 | 0700 | 37.4 14.0 | 100 0 | 21 61 | 6.6 | 21.3 5.3 | 1404 | NNW | 329 | 0.00 | 14.30 | - | - | 50 10 |
| Suscol Upper (Ranch 92) | 4/2/26 | 67.5 10.4 | 1709 | 42.1 8.1 | 0710 | 38.7 10.5 | 100 0 | 3 0 | 2.8 | 15.0 9.0 | 1617 | NNW | 334 | 0.00 | 18.55 | - | - | 60 10 |
| Stanly (Ranch 45) | 4/2/26 | 71.1 10.8 | 1615 | 41.2 9.1 | 0711 | 40.8 10.2 | 94 2 | 21 49 | 3.9 | 23.5 2.9 | 1457 | NNE | 13 | 0.09 | 20.12 | 0.174 0.133 | 619 509 | 50 10 |
| Carneros Upper (Ranch 81) | 4/2/26 | 67.9 8.1 | 1523 | 42.7 9.1 | 0636 | 40.1 0.3 | - | - | 5.3 | 18.6 5.4 | 1751 | WSW | 254 | - | - | - | - | 50 10 |
| Carneros (Mitsuko) | 4/2/26 | 68.7 7.1 | 1616 | 36.2 11.9 | 0051 | - | - | - | - | - | - | - | - | - | - | - | 0 0 |
| Carneros Lower (Ranch 81) | 4/2/26 | 70.1 7.2 | 1617 | 37.6 12.6 | 0555 | 11.4 13.8 | 100 0 | 0 0 | 1.6 | 18.0 8.3 | 1505 | NNW | 348 | 0.00 | 16.94 | 0.124 0.082 | 452 321 | 0 0 |
| Carneros (Milton Rd) | 4/2/26 | 69.6 7.7 | 1620 | 38.9 12.9 | 0038 | 41.1 11.2 | 94 0 | 23 45 | - | - | - | - | 0.00 | 17.12 | - | - | 10 10 |
| Max | 75.6 | - | 42.7 | - | 44.7 | 100 | 34 | 6.6 | 23.5 | - | - | 0.09 | 29.86 | 0.208 | 1,098 | - | |
| Avg | - | - | - | - | 38.0 | - | - | 3.1 | - | - | - | - | - | - | - | - | |
| Min | 60.5 | - | 35.0 | - | 11.4 | 94 | 0 | 1.5 | 10.5 | - | - | 0.00 | 5.97 | 0.076 | 267 | - |