| 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 | 3/26/26 | 73.2 3.2 | 1609 | 36.6 6.0 | 0500 | - | - | - | - | - | - | - | 0.00 | 42.33 | - | - | 90 10 |
| Pope Valley (Weeks Lake) | 3/26/26 | 78.1 4.0 | 1450 | 35.5 0.2 | 0654 | 35.6 7.8 | 100 0 | 13 16 | 2.4 | 16.7 0.7 | 1243 | NNE | 20 | 0.00 | 21.60 | 0.161 0.003 | 479 1 | 100 0 |
| 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 | 3/26/26 | 79.3 2.7 | 1618 | 42.9 0.2 | 0702 | 40.0 8.3 | 98 0 | 19 14 | 3.8 | 19.2 0.2 | 1257 | N | 9 | 0.00 | 19.16 | 0.187 0.005 | 536 0 | 100 0 |
| Dollarhide 1AS Remote | 3/14/26 | 81.7 1.0 | 1452 | 37.8 5.1 | 0742 | 46.2 3.0 | 95 0 | 28 2 | 1.7 | 12.6 2.7 | 1558 | SW | 228 | - | - | - | - | 100 0 |
| Dollarhide 17B Remote | 3/26/26 | 81.7 1.6 | 1538 | 38.5 0.5 | 0655 | 40.9 6.3 | 100 1 | 19 12 | - | - | - | - | - | - | - | - | 100 20 |
| Dollarhide 18A Remote | 3/26/26 | 81.5 0.6 | 1619 | 34.5 0.3 | 0616 | 38.9 6.1 | 100 0 | 17 15 | - | - | - | - | - | - | - | - | 100 0 |
| Angwin | 3/26/26 | 70.9 1.7 | 1549 | 49.3 4.9 | 0544 | 24.8 11.6 | 62 6 | 12 3 | 9.2 | 21.6 8.8 | 2342 | NNW | 347 | 0.00 | 38.60 | 0.130 0.086 | 0 0 | 80 10 |
| Lower Angwin (Pioneer) | 3/26/26 | 74.0 0.0 | 1425 | 40.7 0.6 | 0246 | - | - | - | 5.4 | 16.8 0.9 | 1207 | NE | 48 | - | - | - | - | 80 10 |
| Deer Park | 3/26/26 | 79.5 1.1 | 1632 | 44.5 5.4 | 0714 | 31.9 8.3 | 81 16 | 11 17 | 4.4 | 24.1 4.8 | 1135 | NNE | 12 | 0.00 | 23.61 | 0.167 0.003 | 364 11 | 100 0 |
| Lower Chiles Valley (Brown) | 3/26/26 | 76.6 3.1 | 1649 | 36.5 0.1 | 0534 | 37.4 5.6 | 100 2 | 11 18 | 2.2 | 17.0 0.8 | 1208 | NE | 39 | 0.00 | 20.67 | 0.164 0.007 | 511 5 | 100 0 |
| Moss Creek Vineyard/Reservior | 3/26/26 | 77.9 5.3 | 1416 | 42.6 1.9 | 0706 | 39.8 5.0 | 100 5 | 16 11 | - | - | - | - | 0.00 | 23.37 | - | - | 0 0 |
| Max | 81.7 | - | 49.3 | - | 40.9 | 100 | 19 | 9.2 | 24.1 | - | - | 0.00 | 42.33 | 0.187 | 536 | - | |
| Avg | - | - | - | - | 36.2 | - | - | 4.6 | - | - | - | - | - | - | - | - | |
| Min | 70.9 | - | 34.5 | - | 24.8 | 62 | 11 | 2.2 | 16.7 | - | - | 0.00 | 19.16 | 0.130 | 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 | 3/26/26 | 85.2 1.7 | 1508 | 38.4 2.9 | 0651 | 37.9 7.2 | 97 10 | 14 17 | - | - | - | - | 0.00 | 27.89 | - | - | 60 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) | 3/26/26 | 79.7 0.3 | 1640 | 44.0 5.4 | 0532 | 30.8 10.2 | 80 6 | 10 21 | - | - | - | - | 0.00 | 26.40 | - | - | 100 0 |
| Diamond Mtn (McEachran) | 3/26/26 | 82.6 3.5 | 1557 | 44.2 4.6 | 0721 | 33.7 7.4 | 81 9 | 9 17 | - | - | - | - | - | - | - | - | 100 0 |
| St. Helena-North | 3/26/26 | 85.1 0.2 | 1446 | 40.8 1.6 | 0634 | 32.7 7.5 | 87 8 | 5 17 | 1.7 | 14.5 0.9 | 1533 | SE | 134 | 0.00 | 26.66 | 0.133 0.015 | 414 5 | 100 20 |
| St. Helena (NVV Office) | 3/26/26 | 83.3 1.4 | 1456 | 44.1 0.7 | 0647 | - | - | - | 1.8 | 13.1 0.7 | 1333 | NNE | 24 | 0.00 | 23.51 | - | - | 100 20 |
| Tiara Fria (East St. Helena) | 3/26/26 | 82.9 0.3 | 1540 | 41.1 0.8 | 0642 | 35.5 7.8 | 91 4 | 10 15 | 2.8 | 17.5 1.2 | 1540 | NNW | 341 | 0.00 | 21.80 | - | - | 100 20 |
| Rutherford Hill Estate | 3/26/26 | 85.8 1.8 | 1545 | 46.0 2.3 | 0643 | 34.6 8.2 | 88 20 | 11 16 | 1.8 | 15.1 2.6 | 1228 | WNW | 291 | 0.00 | 21.35 | 0.145 0.009 | 443 9 | 100 20 |
| Rutherford-North (Mee Ln) | 3/26/26 | 83.8 0.4 | 1612 | 40.0 0.6 | 0635 | 38.9 4.9 | 94 5 | 13 14 | 2.1 | 14.9 3.7 | 1433 | NE | 54 | 0.00 | 20.49 | 0.147 0.024 | 449 1 | 100 20 |
| Rutherford (STS) | 3/26/26 | 82.5 2.1 | 1419 | 41.4 0.2 | 0603 | 41.1 5.3 | 92 3 | 19 13 | 2.9 | 14.2 5.8 | 1305 | NNE | 14 | 0.00 | 21.65 | 0.178 0.004 | 529 3 | 100 20 |
| Oakville-NE (Ranch 88) | 3/26/26 | 83.5 0.9 | 1513 | 38.6 1.0 | 0636 | 33.6 7.5 | 90 3 | 9 17 | 2.6 | 19.7 1.9 | 1048 | NNE | 20 | 0.00 | 21.19 | 0.180 0.005 | 498 6 | 0 0 |
| OV561-East | 3/26/26 | 86.8 2.8 | 1621 | 39.5 1.2 | 0709 | - | - | - | - | - | - | - | - | - | - | - | 100 20 |
| Oakville | 3/26/26 | 82.7 0.1 | 1520 | 39.0 1.2 | 0636 | 37.4 6.2 | 97 6 | 10 17 | 2.9 | 16.4 1.1 | 1056 | N | 354 | 0.00 | 21.73 | 0.178 0.008 | 509 4 | 100 0 |
| OV518-West | 3/26/26 | 81.8 0.3 | 1549 | 40.0 0.8 | 0716 | - | - | - | - | - | - | - | - | - | - | - | 100 0 |
| To Kalon Remote (TKKE) | 3/26/26 | 85.7 0.8 | 1547 | 37.9 1.6 | 0700 | - | - | - | - | - | - | - | - | - | - | - | 100 20 |
| To Kalon | 3/26/26 | 85.5 1.9 | 1526 | 40.3 0.8 | 0656 | 36.7 7.7 | 95 10 | 11 20 | 2.9 | 14.3 1.4 | 1225 | NNW | 336 | 0.00 | 23.62 | 0.168 0.014 | 466 8 | 100 20 |
| To Kalon Remote (TKN5) | 3/26/26 | 83.3 2.1 | 1550 | 38.4 1.3 | 0707 | - | - | - | - | - | - | - | - | - | - | - | 100 20 |
| Yountville (Ranch 67) | 3/26/26 | 81.6 1.2 | 1515 | 39.2 0.8 | 0700 | 38.2 6.6 | 96 5 | 10 19 | 2.6 | 16.9 2.0 | 1109 | NW | 323 | 0.00 | 19.96 | 0.176 0.011 | 552 4 | 100 0 |
| Stags Leap Dist (Silverado Vineyards) | 3/26/26 | 81.1 3.0 | 1528 | 38.6 1.3 | 0604 | 37.3 7.4 | 96 7 | 7 23 | 1.8 | 17.0 7.8 | 1503 | N | 354 | 0.00 | 23.91 | 0.166 0.018 | 507 3 | 100 0 |
| Borreo (Soda Canyon) | 3/26/26 | 80.0 2.0 | 1453 | 39.5 0.9 | 0709 | 36.9 7.0 | 96 11 | 10 22 | 2.3 | 15.8 2.3 | 1639 | NNW | 328 | 0.00 | 23.83 | 0.169 0.015 | 534 8 | 60 60 |
| Wappo Hill Floor | 3/26/26 | 82.6 0.7 | 1558 | 37.1 2.0 | 0714 | 39.9 5.3 | 100 0 | 15 16 | 2.6 | 17.3 3.6 | 1236 | NNE | 12 | 0.00 | 23.28 | 0.173 0.018 | 494 6 | 100 20 |
| Stags Leap Dist (Chimney Rock) | 3/26/26 | 82.0 1.8 | 1614 | 39.2 0.7 | 0621 | 40.5 5.5 | 100 8 | 15 21 | 2.7 | 17.4 2.8 | 1230 | NNW | 344 | 0.00 | 22.51 | 0.166 0.021 | 459 4 | 100 0 |
| Yountville-South (Ranch 87) | 3/26/26 | 82.5 0.9 | 1612 | 39.6 1.6 | 0705 | 40.0 6.4 | 100 7 | 12 21 | 1.4 | 12.3 1.4 | 1150 | NNW | 327 | 0.00 | 23.66 | 0.143 0.005 | 434 22 | 70 20 |
| Yountville-SE (Ranch 85) | 3/26/26 | 82.4 1.1 | 1624 | 40.9 0.5 | 0554 | 39.5 7.0 | 98 7 | 10 23 | 2.2 | 15.5 2.3 | 1258 | NNE | 25 | 0.00 | 22.19 | - | 0 0 | 100 0 |
| Oak Knoll-East (Ranch 53) | 3/26/26 | 84.1 1.2 | 1511 | 40.2 1.6 | 0630 | 37.2 7.0 | 93 6 | 9 18 | 1.5 | 13.8 0.3 | 1518 | N | 352 | 0.00 | 20.46 | 0.156 0.004 | 468 1 | 70 20 |
| Napa-NW (Ranch 54) | 3/26/26 | 82.4 1.0 | 1616 | 40.7 1.3 | 0719 | 37.6 7.9 | 93 4 | 10 18 | 2.0 | 12.5 2.2 | 1146 | NNE | 26 | 0.00 | 22.69 | - | 0 0 | 100 0 |
| Napa-North (Ranch 29) | 3/26/26 | 83.5 1.7 | 1512 | 41.8 0.4 | 0648 | 41.1 4.8 | 100 7 | 14 20 | 1.0 | 12.0 3.6 | 1320 | NNW | 334 | 0.00 | 20.32 | 0.106 0.002 | 316 2 | 100 0 |
| Max | 86.8 | - | 46.0 | - | 41.1 | 100 | 19 | 2.9 | 19.7 | - | - | 0.00 | 27.89 | 0.180 | 552 | - | |
| Avg | - | - | - | - | 37.2 | - | - | 2.2 | - | - | - | - | - | - | - | - | |
| Min | 79.7 | - | 37.1 | - | 30.8 | 80 | 5 | 1.0 | 12.0 | - | - | 0.00 | 19.96 | 0.106 | 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 | 3/26/26 | 75.8 0.3 | 1507 | 51.0 2.6 | 0617 | 32.3 6.8 | 65 9 | 16 4 | 2.2 | 14.2 4.1 | 1144 | NNW | 334 | 0.00 | 29.29 | 0.143 0.011 | 423 5 | 90 10 |
| Mount George (Napa East) | 3/26/26 | 85.0 5.3 | 1437 | 40.6 2.8 | 0715 | 39.5 7.2 | 97 4 | 13 19 | 1.7 | 16.5 3.4 | 1337 | NNE | 20 | 0.00 | 11.88 | 0.165 0.016 | 516 5 | 100 0 |
| Napa-East (Palmaz 300') | 3/26/26 | 84.0 2.7 | 1549 | 42.2 0.0 | 0631 | 39.8 5.8 | 96 5 | 13 17 | 1.9 | 13.2 1.1 | 1336 | NE | 36 | 0.00 | 18.31 | 0.150 0.007 | 466 2 | 100 0 |
| Napa-East (Palmaz 1200') | 3/9/26 | 70.6 2.3 | 1500 | 43.0 5.0 | 0041 | 47.8 0.7 | 100 12 | 4 34 | 2.5 | 11.4 4.4 | 1611 | WNW | 292 | - | - | 0.115 0.012 | 432 5 | 0 0 |
| Napa-East (Palmaz 1400') | 3/26/26 | 75.2 1.1 | 1526 | 41.6 3.4 | 0540 | 35.9 6.9 | 95 17 | 19 10 | 3.9 | 20.5 5.3 | 1100 | NNE | 26 | 0.00 | 24.80 | 0.170 0.015 | 502 1 | 80 10 |
| Wooden Valley | 3/26/26 | 76.9 0.0 | 1455 | 45.6 4.3 | 2256 | 40.8 4.6 | 90 2 | 18 12 | 2.6 | 13.0 2.0 | 1308 | NNE | 18 | 0.00 | 24.00 | 0.157 0.000 | 515 6 | 100 0 |
| Napa-West Upper (Truchard) | 3/26/26 | 82.5 2.0 | 1632 | 44.8 1.4 | 0650 | 44.4 0.4 | 100 12 | 13 19 | 1.8 | 11.4 9.2 | 1232 | S | 180 | 0.00 | 20.16 | 0.158 0.001 | 504 3 | 100 0 |
| Napa-West Lower (Truchard) | 3/26/26 | 86.2 4.1 | 1621 | 35.2 1.3 | 0650 | 43.4 1.4 | 100 0 | 17 13 | - | - | - | - | - | - | - | - | 100 10 |
| Napa-South (Toyon Farms) | 3/26/26 | 80.9 1.2 | 1609 | 43.8 0.4 | 0726 | 49.3 1.4 | 99 7 | 35 10 | 2.2 | 10.0 8.9 | 1315 | SSW | 203 | 0.00 | 13.94 | 0.082 0.002 | 244 2 | 100 0 |
| Toyon Remote 1 | 3/26/26 | 82.0 0.3 | 1611 | 35.6 0.7 | 0654 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 2 | 3/26/26 | 80.0 0.6 | 1558 | 38.0 0.9 | 0549 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 3 | 3/26/26 | 81.8 0.7 | 1614 | 39.1 0.5 | 0638 | - | - | - | - | - | - | - | - | - | - | - | - |
| Dealy Lane (Ranch 80) | 3/26/26 | 81.1 2.5 | 1555 | 40.4 0.5 | 0652 | 44.5 0.6 | 96 4 | 28 7 | 2.0 | 8.6 9.3 | 2357 | N | 349 | 0.00 | 19.35 | 0.148 0.006 | 515 4 | 100 0 |
| Carneros (Saintsbury) | 3/26/26 | 79.6 1.7 | 1555 | 39.9 1.6 | 0719 | 45.4 0.1 | 100 11 | 32 5 | 2.1 | 9.1 13.2 | 1519 | SSW | 192 | 0.00 | 5.62 | - | - | 0 0 |
| Suscol Lower (Ranch 35) | 3/26/26 | 78.7 0.2 | 1551 | 40.6 1.5 | 0635 | 44.1 0.4 | - | - | 3.6 | 11.0 7.0 | 1338 | S | 189 | 0.00 | 18.31 | 0.149 0.003 | 468 4 | 80 20 |
| Suscol Mtn (Ranch 93) | 3/26/26 | 77.7 0.1 | 1650 | 48.0 1.8 | 0517 | 40.9 0.9 | 80 6 | 18 11 | 2.8 | 14.8 8.8 | 1226 | NW | 324 | 0.00 | 13.80 | - | - | 100 10 |
| Suscol Upper (Ranch 92) | 3/26/26 | 78.4 2.8 | 1620 | 47.2 2.9 | 0647 | 42.3 0.3 | 80 6 | 19 11 | 0.7 | 10.0 8.5 | 1224 | WNW | 283 | 0.00 | 18.16 | - | - | 100 10 |
| Stanly (Ranch 45) | 3/26/26 | 83.0 3.2 | 1627 | 40.4 2.4 | 0527 | 45.7 0.2 | 96 8 | 26 12 | 2.4 | 10.0 12.0 | 1543 | S | 177 | 0.00 | 19.65 | 0.166 0.010 | 540 11 | 80 20 |
| Carneros Upper (Ranch 81) | 3/26/26 | 81.5 4.9 | 1558 | 46.4 2.4 | 0700 | 43.2 0.7 | - | - | 3.7 | 13.3 16.8 | 1943 | WNW | 282 | - | - | - | - | 80 10 |
| Carneros (Mitsuko) | 3/26/26 | 79.0 1.0 | 1555 | 35.7 0.0 | 0649 | - | - | - | - | - | - | - | - | - | - | - | 0 0 |
| Carneros Lower (Ranch 81) | 3/26/26 | 83.1 2.1 | 1526 | 39.4 0.9 | 0703 | 44.0 1.6 | 100 13 | 0 40 | 1.1 | 10.4 5.6 | 1601 | SE | 126 | 0.00 | 16.94 | 0.122 0.000 | 413 9 | 0 0 |
| Carneros (Milton Rd) | 3/26/26 | 78.8 1.0 | 1621 | 38.1 0.1 | 0701 | 44.2 1.5 | 95 5 | 32 10 | - | - | - | - | 0.00 | 17.00 | - | - | 0 0 |
| Max | 86.2 | - | 51.0 | - | 49.3 | 100 | 35 | 3.9 | 20.5 | - | - | 0.00 | 29.29 | 0.170 | 540 | - | |
| Avg | - | - | - | - | 42.3 | - | - | 2.3 | - | - | - | - | - | - | - | - | |
| Min | 75.2 | - | 35.2 | - | 32.3 | 65 | 0 | 0.7 | 8.6 | - | - | 0.00 | 5.62 | 0.082 | 244 | - |