| 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 | 4/3/26 | 70.3 9.1 | 1528 | 37.4 3.8 | 0144 | - | - | - | - | - | - | - | 0.00 | 43.59 | - | - | 50 10 |
| Pope Valley (Weeks Lake) | 4/3/26 | 74.8 11.0 | 1659 | 36.3 1.5 | 0053 | 28.7 6.2 | 94 5 | 11 15 | 3.4 | 18.4 3.7 | 1204 | NNE | 30 | 0.00 | 22.17 | 0.179 0.036 | 542 9 | 90 20 |
| 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 | 4/3/26 | 75.2 9.1 | 1411 | 45.1 6.5 | 0317 | 32.2 5.9 | 85 12 | 16 16 | 4.8 | 23.3 1.9 | 1256 | NE | 51 | 0.00 | 19.65 | 0.212 0.045 | 616 11 | 90 20 |
| Dollarhide 1AS Remote | 4/3/26 | 77.5 10.7 | 1811 | 33.8 1.4 | 0343 | 34.5 4.2 | 95 0 | 15 15 | 3.1 | 19.4 3.8 | 1258 | ENE | 58 | - | - | - | - | 90 20 |
| Dollarhide 17B Remote | 4/3/26 | 79.8 12.7 | 1736 | 39.0 3.1 | 0506 | 35.7 3.4 | 91 7 | 15 16 | - | - | - | - | - | - | - | - | 90 20 |
| Dollarhide 18A Remote | 4/3/26 | 77.2 10.1 | 1738 | 33.3 0.8 | 0150 | 34.0 3.6 | 98 2 | 15 15 | - | - | - | - | - | - | - | - | 90 20 |
| Angwin | 4/3/26 | 66.9 10.4 | 1709 | 44.9 7.1 | 0653 | 21.4 9.7 | 41 59 | 13 19 | 8.4 | 31.2 5.2 | 0437 | N | 350 | 0.00 | 39.79 | 0.104 0.057 | 0 0 | 50 10 |
| Lower Angwin (Pioneer) | 4/3/26 | 70.4 11.5 | 1630 | 44.2 9.4 | 2217 | - | - | - | 4.7 | 22.5 7.6 | 1117 | ENE | 58 | - | - | - | - | 60 10 |
| Deer Park | 4/3/26 | 76.7 11.5 | 1714 | 53.4 11.5 | 0735 | 24.6 11.3 | 41 49 | 11 15 | 6.2 | 29.3 13.7 | 0515 | N | 1 | 0.00 | 24.32 | 0.193 0.064 | 396 20 | 90 20 |
| Lower Chiles Valley (Brown) | 4/3/26 | 73.8 10.3 | 1742 | 37.4 0.1 | 0058 | 29.2 6.3 | 91 6 | 13 12 | 4.0 | 20.7 6.4 | 1016 | N | 11 | 0.00 | 21.36 | 0.194 0.044 | 587 15 | 60 10 |
| Moss Creek Vineyard/Reservior | 4/3/26 | 76.6 12.2 | 1811 | 43.0 3.3 | 0050 | 30.9 5.7 | 87 8 | 14 8 | - | - | - | - | 0.00 | 23.90 | - | - | 20 10 |
| Max | 79.8 | - | 53.4 | - | 35.7 | 98 | 16 | 8.4 | 31.2 | - | - | 0.00 | 43.59 | 0.212 | 616 | - | |
| Avg | - | - | - | - | 30.2 | - | - | 4.9 | - | - | - | - | - | - | - | - | |
| Min | 66.9 | - | 33.3 | - | 21.4 | 41 | 11 | 3.1 | 18.4 | - | - | 0.00 | 19.65 | 0.104 | 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 | 4/3/26 | 81.0 9.8 | 1331 | 45.2 7.6 | 0101 | 40.5 1.8 | 84 16 | 16 17 | - | - | - | - | 0.00 | 28.45 | - | - | 10 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) | 4/3/26 | 74.8 9.7 | 1728 | 52.3 12.3 | 0650 | 24.2 13.7 | 40 60 | 10 19 | - | - | - | - | 0.00 | 27.04 | - | - | 60 10 |
| Diamond Mtn (McEachran) | 4/3/26 | 79.1 10.7 | 1641 | 49.2 8.4 | 0101 | 26.8 12.4 | 57 41 | 10 16 | - | - | - | - | - | - | - | - | 80 20 |
| St. Helena-North | 4/3/26 | 80.0 12.2 | 1504 | 45.6 5.2 | 0050 | 25.3 13.4 | 69 31 | 6 15 | 2.4 | 16.0 1.1 | 0552 | NNW | 329 | 0.00 | 27.35 | 0.156 0.030 | 476 16 | 80 20 |
| St. Helena (NVV Office) | 4/3/26 | 79.8 11.2 | 1544 | 47.0 4.8 | 0057 | - | - | - | 2.4 | 16.8 5.0 | 0634 | NW | 325 | 0.00 | 24.05 | - | - | 80 20 |
| Tiara Fria (East St. Helena) | 4/3/26 | 78.0 11.3 | 1548 | 44.4 2.0 | 0116 | 28.2 11.0 | 84 10 | 11 14 | 3.8 | 22.3 6.6 | 1438 | NNW | 346 | 0.00 | 22.33 | - | - | 80 20 |
| Rutherford Hill Estate | 4/3/26 | 82.1 12.3 | 1844 | 52.6 9.8 | 0504 | 26.5 10.5 | 48 43 | 11 12 | 2.2 | 17.5 5.0 | 1019 | ENE | 60 | 0.00 | 21.81 | 0.160 0.031 | 494 26 | 90 20 |
| Rutherford-North (Mee Ln) | 4/3/26 | 80.5 10.3 | 1729 | 41.7 2.3 | 0218 | 32.1 7.7 | 85 10 | 12 13 | 2.7 | 18.2 5.3 | 0900 | NNW | 332 | 0.00 | 20.92 | 0.171 0.038 | 516 28 | 90 20 |
| Rutherford (STS) | 4/3/26 | 78.9 9.4 | 1552 | 44.8 4.8 | 0156 | 33.7 7.7 | 81 11 | 16 12 | 4.1 | 24.3 10.8 | 1537 | N | 9 | 0.00 | 22.08 | 0.212 0.059 | 612 42 | 80 20 |
| Oakville-NE (Ranch 88) | 4/3/26 | 79.6 10.0 | 1735 | 41.4 2.5 | 0059 | 26.1 10.9 | 79 19 | 9 11 | 4.7 | 21.4 6.6 | 0618 | NE | 37 | 0.00 | 21.48 | 0.214 0.058 | 578 12 | 0 0 |
| OV561-East | 4/3/26 | 82.5 10.2 | 1640 | 44.6 6.6 | 0040 | - | - | - | - | - | - | - | - | - | - | - | 70 20 |
| Oakville | 4/3/26 | 79.2 10.2 | 1818 | 43.6 5.9 | 0101 | 27.9 9.9 | 83 14 | 10 12 | 5.1 | 20.7 6.6 | 1121 | NNW | 344 | 0.00 | 21.93 | 0.219 0.061 | 590 11 | 70 20 |
| OV518-West | 4/3/26 | 78.8 10.2 | 1741 | 44.5 5.4 | 0047 | - | - | - | - | - | - | - | - | - | - | - | 70 20 |
| To Kalon Remote (TKKE) | 4/3/26 | 81.9 11.9 | 1723 | 42.8 4.7 | 0031 | - | - | - | - | - | - | - | - | - | - | - | 80 20 |
| To Kalon | 4/3/26 | 80.6 11.4 | 1617 | 43.5 4.7 | 0044 | 28.6 10.4 | 81 17 | 11 13 | 4.5 | 17.5 6.2 | 1448 | NNE | 27 | 0.00 | 23.88 | 0.207 0.063 | 551 26 | 90 20 |
| To Kalon Remote (TKN5) | 4/3/26 | 79.3 10.3 | 1604 | 42.5 4.0 | 0029 | - | - | - | - | - | - | - | - | - | - | - | 80 20 |
| Yountville (Ranch 67) | 4/3/26 | 77.9 10.5 | 1612 | 43.2 5.4 | 0052 | 27.6 9.7 | 80 17 | 11 12 | 5.6 | 19.6 4.4 | 0558 | NW | 319 | 0.00 | 20.20 | 0.224 0.067 | 618 20 | 70 20 |
| Stags Leap Dist (Silverado Vineyards) | 4/3/26 | 76.9 8.1 | 1607 | 44.3 7.0 | 2356 | 28.0 8.9 | 80 16 | 11 11 | 3.1 | 18.5 5.5 | 1201 | NNW | 336 | 0.00 | 24.16 | 0.197 0.051 | 577 43 | 50 10 |
| Borreo (Soda Canyon) | 4/3/26 | 76.4 10.6 | 1629 | 44.3 8.6 | 0034 | 26.2 8.1 | 74 24 | 11 11 | 6.3 | 27.5 7.1 | 0526 | NNE | 25 | 0.00 | 24.10 | 0.225 0.063 | 606 15 | 50 10 |
| Wappo Hill Floor | 4/3/26 | 79.2 9.4 | 1808 | 41.4 4.6 | 0058 | 30.5 8.1 | 85 15 | 13 10 | 7.2 | 25.0 5.7 | 0442 | NW | 319 | 0.00 | 23.50 | 0.228 0.072 | 555 11 | 70 20 |
| Stags Leap Dist (Chimney Rock) | 4/3/26 | 77.7 9.7 | 1657 | 42.3 3.9 | 0059 | 32.1 7.4 | 87 13 | 16 12 | 6.3 | 22.7 1.8 | 0406 | NW | 318 | 0.00 | 22.77 | 0.213 0.068 | 522 13 | 70 20 |
| Yountville-South (Ranch 87) | 4/3/26 | 79.1 9.6 | 1748 | 44.3 5.7 | 0048 | 29.6 9.5 | 83 17 | 12 13 | 3.7 | 18.2 3.8 | 0504 | NW | 317 | 0.00 | 23.91 | 0.183 0.048 | 495 8 | 50 20 |
| Yountville-SE (Ranch 85) | 4/3/26 | 78.9 10.4 | 1753 | 43.7 3.8 | 0047 | 29.4 9.7 | 89 11 | 12 12 | 6.4 | 23.6 9.8 | 0421 | NNE | 16 | 0.00 | 22.44 | - | 0 0 | 70 20 |
| Oak Knoll-East (Ranch 53) | 4/3/26 | 80.5 10.3 | 1722 | 45.0 4.7 | 0045 | 27.6 11.1 | 76 19 | 10 11 | 5.2 | 21.4 7.7 | 0509 | NNW | 341 | 0.00 | 20.76 | 0.206 0.064 | 539 11 | 50 20 |
| Napa-NW (Ranch 54) | 4/3/26 | 78.4 10.4 | 1750 | 48.7 8.4 | 0054 | 27.1 12.0 | 64 36 | 11 12 | 5.1 | 18.3 5.0 | 0842 | N | 354 | 0.00 | 23.03 | - | 0 0 | 70 20 |
| Napa-North (Ranch 29) | 4/3/26 | 80.8 12.8 | 1833 | 43.2 2.7 | 0123 | 30.1 10.2 | 100 0 | 13 10 | 3.1 | 18.6 6.3 | 1226 | NNW | 344 | 0.00 | 20.62 | 0.144 0.041 | 367 8 | 70 20 |
| Max | 82.5 | - | 52.6 | - | 40.5 | 100 | 16 | 7.2 | 27.5 | - | - | 0.00 | 28.45 | 0.228 | 618 | - | |
| Avg | - | - | - | - | 29.0 | - | - | 4.4 | - | - | - | - | - | - | - | - | |
| Min | 74.8 | - | 41.4 | - | 24.2 | 40 | 6 | 2.2 | 16.0 | - | - | 0.00 | 20.20 | 0.144 | 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 | 4/3/26 | 70.2 9.7 | 1427 | 47.7 7.5 | 0701 | 26.2 10.0 | 51 43 | 17 17 | 3.1 | 19.9 6.1 | 0526 | N | 354 | 0.00 | 29.86 | 0.252 0.044 | 1,076 22 | 60 10 |
| Mount George (Napa East) | 4/3/26 | 80.8 5.2 | 1402 | 40.6 1.4 | 0331 | 31.0 12.4 | 87 12 | 13 10 | 3.0 | 19.9 2.6 | 1107 | NE | 48 | 0.00 | 12.38 | 0.193 0.033 | 579 14 | 70 20 |
| Napa-East (Palmaz 300') | 4/3/26 | 79.0 10.5 | 1818 | 44.3 3.9 | 0112 | 29.4 9.5 | 77 23 | 12 8 | 2.8 | 15.0 0.3 | 0709 | ESE | 102 | 0.00 | 18.82 | 0.176 0.035 | 538 15 | 70 20 |
| Napa-East (Palmaz 1200') | 4/2/26 | 62.1 9.0 | 1600 | 36.9 12.0 | 0551 | 35.4 1.6 | 100 0 | 26 14 | 2.5 | 14.6 0.4 | 1213 | ENE | 76 | - | - | 0.138 0.101 | 560 512 | 60 10 |
| Napa-East (Palmaz 1400') | 4/3/26 | 70.2 9.4 | 1605 | 43.9 4.2 | 2329 | 29.5 6.8 | 79 21 | 19 11 | 6.6 | 30.2 13.9 | 0806 | N | 10 | 0.00 | 25.60 | 0.195 0.056 | 569 23 | 50 10 |
| Wooden Valley | 4/3/26 | 75.2 11.2 | 1803 | 38.5 0.2 | 0058 | 29.6 7.0 | 94 2 | 13 11 | 3.8 | 22.9 8.2 | 1112 | NNW | 334 | 0.00 | 24.50 | 0.190 0.042 | 593 14 | 50 10 |
| Napa-West Upper (Truchard) | 4/3/26 | 78.9 9.2 | 1628 | 45.5 3.5 | 0317 | 27.5 12.6 | 79 21 | 11 11 | 4.4 | 21.5 5.6 | 1054 | NNE | 26 | 0.00 | 20.48 | 0.208 0.056 | 587 29 | 70 20 |
| Napa-West Lower (Truchard) | 4/3/26 | 82.6 9.3 | 1508 | 36.4 0.2 | 0119 | 31.6 8.0 | 100 0 | 12 9 | - | - | - | - | - | - | - | - | 70 20 |
| Napa-South (Toyon Farms) | 4/3/26 | 81.5 11.3 | 1608 | 44.0 2.0 | 0425 | 38.8 5.9 | 97 3 | 18 12 | 1.7 | 11.1 0.7 | 0753 | N | 11 | 0.00 | 14.27 | 0.095 0.019 | 272 5 | 70 20 |
| Toyon Remote 1 | 4/3/26 | 78.8 9.4 | 1537 | 34.9 0.1 | 0140 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 2 | 4/3/26 | 79.7 10.8 | 1845 | 38.4 1.2 | 0405 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 3 | 4/3/26 | 78.9 8.2 | 1553 | 38.2 1.2 | 0200 | - | - | - | - | - | - | - | - | - | - | - | - |
| Dealy Lane (Ranch 80) | 4/3/26 | 78.2 10.8 | 1549 | 39.5 0.3 | 0350 | 31.4 9.0 | 97 2 | 11 12 | 3.9 | 19.6 6.9 | 1041 | E | 93 | 0.00 | 19.68 | 0.201 0.054 | 578 24 | 70 20 |
| Carneros (Saintsbury) | 4/3/26 | 77.4 9.8 | 1515 | 39.8 0.2 | 0325 | 32.0 8.8 | 100 0 | 12 12 | 3.4 | 16.6 2.2 | 1012 | N | 8 | 0.00 | 5.97 | - | - | 0 0 |
| Suscol Lower (Ranch 35) | 4/3/26 | 79.2 10.2 | 1644 | 40.1 0.5 | 0539 | 30.5 9.0 | - | - | 5.0 | 20.5 4.8 | 1137 | N | 349 | 0.00 | 18.65 | 0.197 0.049 | 542 16 | 70 20 |
| Suscol Mtn (Ranch 93) | 4/3/26 | 77.0 10.3 | 1711 | 50.3 7.9 | 0323 | 25.0 12.4 | 49 51 | 13 7 | 5.8 | 31.5 10.2 | 0930 | NNE | 19 | 0.00 | 14.30 | - | - | 70 20 |
| Suscol Upper (Ranch 92) | 4/3/26 | 79.6 12.1 | 1718 | 49.5 7.4 | 0333 | 27.2 11.4 | 58 42 | 13 10 | 2.9 | 24.8 9.8 | 0918 | NNW | 346 | 0.00 | 18.55 | - | - | 80 20 |
| Stanly (Ranch 45) | 4/3/26 | 84.9 13.8 | 1834 | 40.9 0.4 | 0250 | 33.8 7.0 | 94 1 | 12 9 | 4.9 | 24.3 0.8 | 1106 | NNE | 30 | 0.00 | 20.12 | 0.231 0.057 | 642 23 | 70 20 |
| Carneros Upper (Ranch 81) | 4/3/26 | 78.3 10.4 | 1616 | 49.3 6.6 | 0413 | 26.8 13.3 | - | - | 6.9 | 27.0 8.5 | 0856 | N | 3 | - | - | - | - | 70 20 |
| Carneros (Mitsuko) | 4/3/26 | 79.2 10.5 | 1553 | 34.4 1.8 | 0410 | - | - | - | - | - | - | - | - | - | - | - | 0 0 |
| Carneros Lower (Ranch 81) | 4/3/26 | 78.3 8.2 | 1636 | 38.5 0.9 | 0318 | 31.9 20.6 | 100 0 | 13 13 | 3.2 | 19.6 1.6 | 0910 | NNW | 346 | 0.00 | 16.94 | 0.173 0.049 | 477 25 | 0 0 |
| Carneros (Milton Rd) | 4/3/26 | 78.6 8.9 | 1631 | 37.1 1.7 | 0415 | 32.4 8.7 | 96 2 | 12 11 | - | - | - | - | 0.00 | 17.12 | - | - | 30 20 |
| Max | 84.9 | - | 50.3 | - | 38.8 | 100 | 19 | 6.9 | 31.5 | - | - | 0.00 | 29.86 | 0.252 | 1,076 | - | |
| Avg | - | - | - | - | 30.3 | - | - | 4.1 | - | - | - | - | - | - | - | - | |
| Min | 70.2 | - | 34.4 | - | 25.0 | 49 | 11 | 1.7 | 11.1 | - | - | 0.00 | 5.97 | 0.095 | 272 | - |