| 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 | 3/3/26 | 66.6 4.6 | 1344 | 38.2 2.2 | 0642 | - | - | - | - | - | - | - | 0.00 | 42.33 | - | - | 0 0 |
| Pope Valley (Weeks Lake) | 3/3/26 | 73.4 4.7 | 1359 | 39.5 1.9 | 0109 | 44.4 0.7 | 100 0 | 33 10 | 1.4 | 12.1 2.6 | 1546 | WSW | 249 | 0.00 | 21.60 | 0.104 0.012 | 376 15 | 0 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 | 3/3/26 | 73.6 5.4 | 1337 | 41.2 2.6 | 0306 | 48.0 2.0 | 100 0 | 40 15 | 2.8 | 15.0 3.3 | 1917 | SSW | 210 | 0.00 | 19.16 | 0.122 0.020 | 428 32 | 0 0 |
| Dollarhide 1AS Remote | 3/3/26 | 73.0 3.8 | 1419 | 39.6 0.6 | 0138 | 45.9 1.7 | 95 0 | 40 14 | 1.9 | 12.1 1.5 | 1608 | WSW | 245 | - | - | - | - | 0 0 |
| Dollarhide 17B Remote | 3/3/26 | 73.3 1.4 | 1434 | 39.5 0.9 | 0227 | 47.3 1.4 | 100 0 | 42 10 | - | - | - | - | - | - | - | - | 0 0 |
| Dollarhide 18A Remote | 3/3/26 | 74.5 5.7 | 1505 | 38.7 0.5 | 0007 | 46.0 1.2 | 100 0 | 41 13 | - | - | - | - | - | - | - | - | 0 0 |
| Angwin | 3/3/26 | 63.3 4.8 | 1431 | 46.9 1.9 | 0001 | 42.6 3.5 | 100 0 | 43 20 | 3.2 | 11.8 1.7 | 1545 | SSE | 153 | 0.00 | 38.60 | 0.027 0.020 | 0 0 | 0 0 |
| Lower Angwin (Pioneer) | 3/3/26 | 65.5 4.2 | 1419 | 37.8 3.2 | 0616 | - | - | - | 2.2 | 12.4 2.2 | 1513 | SSW | 208 | - | - | - | - | 0 0 |
| Deer Park | 3/3/26 | 70.8 2.6 | 1412 | 45.3 3.6 | 0721 | 48.4 1.1 | 97 1 | 39 10 | 2.7 | 10.2 0.1 | 1538 | S | 184 | 0.00 | 23.61 | 0.085 0.034 | 305 130 | 0 0 |
| Lower Chiles Valley (Brown) | 3/3/26 | 70.1 3.5 | 1510 | 35.2 4.8 | 0657 | 44.8 2.1 | 100 0 | 35 15 | 1.8 | 11.2 0.5 | 1500 | WNW | 299 | 0.00 | 20.67 | 0.112 0.023 | 430 80 | 0 0 |
| Moss Creek Vineyard/Reservior | 3/3/26 | 74.6 5.5 | 1506 | 40.4 2.6 | 0455 | 46.3 1.6 | 100 0 | 33 15 | - | - | - | - | 0.00 | 23.37 | - | - | 0 0 |
| Max | 74.6 | - | 46.9 | - | 48.4 | 100 | 43 | 3.2 | 15.0 | - | - | 0.00 | 42.33 | 0.122 | 430 | - | |
| Avg | - | - | - | - | 46.0 | - | - | 2.3 | - | - | - | - | - | - | - | - | |
| Min | 63.3 | - | 35.2 | - | 42.6 | 95 | 33 | 1.4 | 10.2 | - | - | 0.00 | 19.16 | 0.027 | 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 | 3/3/26 | 75.0 4.1 | 1357 | 42.4 4.1 | 0443 | 48.7 2.4 | 100 1 | 36 15 | - | - | - | - | 0.00 | 27.89 | - | - | 30 10 |
| Fotsch (Maple Lane) | 3/3/26 | 72.6 3.8 | 1430 | 42.0 3.8 | 0619 | 47.4 2.0 | 97 1 | 35 12 | 2.6 | 12.9 1.4 | 1724 | NW | 307 | 0.00 | 25.78 | - | - | 0 0 |
| Diamond Mtn (Schramsberg) | 3/3/26 | 70.5 4.4 | 1459 | 45.8 3.3 | 0516 | 48.2 1.3 | 100 0 | 35 17 | - | - | - | - | 0.00 | 26.40 | - | - | 0 0 |
| Diamond Mtn (McEachran) | 3/3/26 | 71.7 4.2 | 1424 | 45.4 4.0 | 0656 | 48.6 1.3 | 99 1 | 35 15 | - | - | - | - | - | - | - | - | 0 0 |
| St. Helena-North | 3/3/26 | 71.1 1.1 | 1555 | 42.5 4.5 | 0649 | 47.3 1.6 | 100 0 | 35 7 | 2.1 | 10.8 0.2 | 1644 | NNW | 337 | 0.00 | 26.66 | 0.091 0.015 | 325 46 | 0 0 |
| St. Helena (NVV Office) | 3/3/26 | 73.6 3.5 | 1542 | 43.1 6.4 | 0630 | - | - | - | 1.5 | 11.5 4.2 | 1725 | WNW | 287 | 0.00 | 23.51 | - | - | 0 0 |
| Tiara Fria (East St. Helena) | 3/3/26 | 70.5 2.6 | 1606 | 41.4 5.9 | 0624 | 47.8 2.2 | 98 1 | 42 7 | 2.1 | 16.0 6.5 | 1712 | W | 272 | 0.00 | 21.80 | - | - | 0 0 |
| Rutherford Hill Estate | 3/3/26 | 72.3 2.1 | 1549 | 45.0 3.8 | 0640 | 49.6 0.9 | 100 0 | 43 5 | 1.5 | 9.4 0.2 | 1445 | SSE | 161 | 0.00 | 21.34 | 0.084 0.010 | 336 23 | 0 0 |
| Rutherford-North (Mee Ln) | 3/3/26 | 72.9 3.2 | 1650 | 36.6 8.3 | 0609 | 46.1 2.8 | 100 0 | 44 7 | 2.2 | 12.5 2.2 | 1844 | SE | 126 | 0.01 | 20.49 | 0.082 0.006 | 328 4 | 0 0 |
| Rutherford (STS) | 3/3/26 | 71.9 2.9 | 1602 | 40.6 5.4 | 0600 | 46.8 3.2 | 90 0 | 52 4 | 1.9 | 11.0 2.9 | 1220 | E | 84 | 0.00 | 21.65 | 0.096 0.006 | 385 34 | 0 0 |
| Oakville-NE (Ranch 88) | 3/3/26 | 70.7 2.5 | 1542 | 40.6 5.1 | 0409 | 47.2 2.3 | 100 1 | 50 0 | 1.7 | 11.7 1.9 | 1433 | SSW | 211 | 0.00 | 21.19 | 0.090 0.005 | 356 12 | 0 0 |
| OV561-East | 3/3/26 | 72.9 4.0 | 1605 | 41.8 4.8 | 0509 | - | - | - | - | - | - | - | - | - | - | - | 0 0 |
| Oakville | 3/3/26 | 69.8 2.7 | 1543 | 41.3 4.6 | 0458 | 47.7 2.3 | 99 1 | 49 4 | 2.9 | 11.8 1.9 | 1722 | S | 169 | 0.00 | 21.73 | 0.096 0.009 | 391 48 | 0 0 |
| OV518-West | 3/3/26 | 71.6 4.3 | 1637 | 41.0 5.4 | 0446 | - | - | - | - | - | - | - | - | - | - | - | 0 0 |
| To Kalon Remote (TKKE) | 3/3/26 | 72.5 5.2 | 1553 | 40.8 5.0 | 0438 | - | - | - | - | - | - | - | - | - | - | - | 0 0 |
| To Kalon | 3/3/26 | 71.1 2.9 | 1606 | 40.9 6.0 | 0504 | 48.3 2.3 | 100 0 | 48 6 | 2.4 | 10.7 2.1 | 1634 | WSW | 245 | 0.01 | 23.62 | 0.087 0.013 | 352 70 | 0 0 |
| To Kalon Remote (TKN5) | 3/3/26 | 72.1 3.9 | 1503 | 41.1 4.6 | 0358 | - | - | - | - | - | - | - | - | - | - | - | 0 0 |
| Yountville (Ranch 67) | 3/3/26 | 69.3 2.7 | 1524 | 42.2 3.9 | 0405 | 47.8 1.7 | 99 1 | 53 2 | 2.7 | 12.6 0.7 | 1602 | ESE | 113 | 0.00 | 19.96 | 0.095 0.006 | 390 46 | 0 0 |
| Stags Leap Dist (Silverado Vineyards) | 3/3/26 | 70.2 2.9 | 1526 | 42.0 4.0 | 0432 | 47.4 1.8 | 97 2 | 50 4 | 2.6 | 14.5 3.2 | 1835 | E | 100 | 0.01 | 23.91 | 0.091 0.007 | 348 35 | 0 0 |
| Borreo (Soda Canyon) | 3/3/26 | 67.6 1.9 | 1521 | 40.9 4.3 | 0512 | 46.7 1.7 | 99 2 | 56 1 | 1.7 | 11.2 1.1 | 1559 | S | 174 | 0.00 | 23.83 | 0.086 0.023 | 352 101 | 0 0 |
| Wappo Hill Floor | 3/3/26 | 71.2 2.2 | 1526 | 40.7 4.3 | 0326 | 48.1 2.7 | 100 0 | 51 0 | 2.4 | 10.4 3.7 | 1431 | ESE | 120 | 0.00 | 23.28 | 0.087 0.008 | 343 22 | 0 0 |
| Stags Leap Dist (Chimney Rock) | 3/3/26 | 70.5 2.8 | 1525 | 41.6 4.3 | 0322 | 49.4 2.3 | 100 0 | 57 2 | 2.4 | 12.8 1.5 | 1705 | SE | 139 | 0.00 | 22.51 | 0.078 0.002 | 304 10 | 0 0 |
| Yountville-South (Ranch 87) | 3/3/26 | 70.8 3.3 | 1506 | 42.6 3.1 | 0312 | 49.0 2.4 | 100 0 | 52 5 | 2.1 | 12.5 1.7 | 1555 | S | 182 | 0.00 | 23.66 | 0.088 0.001 | 342 8 | 0 0 |
| Yountville-SE (Ranch 85) | 3/3/26 | 72.2 3.8 | 1530 | 43.2 3.0 | 0311 | 49.0 2.2 | 100 0 | 50 4 | 2.1 | 11.1 1.6 | 1814 | SSE | 153 | 0.00 | 22.19 | - | 0 0 | 0 0 |
| Oak Knoll-East (Ranch 53) | 3/3/26 | 71.3 2.3 | 1523 | 42.6 4.4 | 0449 | 48.3 2.2 | 98 1 | 47 2 | 2.1 | 11.5 1.2 | 1533 | S | 171 | 0.00 | 20.46 | 0.083 0.017 | 313 67 | 0 0 |
| Napa-NW (Ranch 54) | 3/3/26 | 70.8 3.1 | 1503 | 42.7 5.8 | 0507 | 49.1 1.8 | 100 0 | 49 4 | 1.7 | 9.9 0.4 | 1601 | SE | 140 | 0.00 | 22.69 | - | 0 0 | 0 0 |
| Napa-North (Ranch 29) | 3/3/26 | 69.9 1.8 | 1438 | 44.7 3.3 | 0422 | 49.6 2.3 | 100 0 | 55 2 | 1.7 | 12.6 1.5 | 1620 | S | 184 | 0.00 | 20.32 | 0.068 0.006 | 252 35 | 0 0 |
| Max | 75.0 | - | 45.8 | - | 49.6 | 100 | 57 | 2.9 | 16.0 | - | - | 0.01 | 27.89 | 0.096 | 391 | - | |
| Avg | - | - | - | - | 48.1 | - | - | 2.1 | - | - | - | - | - | - | - | - | |
| Min | 67.6 | - | 36.6 | - | 46.1 | 90 | 35 | 1.5 | 9.4 | - | - | 0.00 | 19.96 | 0.068 | 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 | 3/3/26 | 65.8 6.8 | 1258 | 47.3 0.8 | 0636 | 47.3 1.7 | 95 5 | 51 20 | 1.4 | 6.7 2.6 | 1247 | E | 93 | 0.00 | 29.29 | 0.090 0.038 | 376 130 | 0 0 |
| Mount George (Napa East) | 3/3/26 | 81.4 6.3 | 1439 | 48.8 2.8 | 0154 | 58.0 2.3 | 100 0 | 63 5 | 1.3 | 9.2 0.9 | 1612 | SE | 139 | 0.00 | 11.88 | 0.097 0.007 | 345 13 | 0 0 |
| Napa-East (Palmaz 300') | 3/3/26 | 70.0 1.6 | 1516 | 44.5 3.9 | 0438 | 49.3 1.3 | 100 0 | 49 1 | 1.5 | 9.1 2.3 | 1637 | WSW | 238 | 0.00 | 18.31 | 0.076 0.010 | 295 35 | 0 0 |
| Napa-East (Palmaz 1200') | 3/3/26 | 64.1 1.8 | 1509 | 41.9 4.5 | 0513 | 41.9 2.1 | 100 0 | 3 7 | 2.3 | 9.4 1.2 | 1644 | SSW | 207 | - | - | 0.094 0.019 | 402 98 | 0 0 |
| Napa-East (Palmaz 1400') | 3/3/26 | 64.4 1.6 | 1357 | 42.9 2.8 | 0322 | 48.4 1.2 | 100 0 | 56 5 | 2.3 | 12.4 1.5 | 2353 | WSW | 245 | 0.00 | 24.80 | 0.098 0.026 | 421 114 | 0 0 |
| Wooden Valley | 4/30/25 | 78.8 0.4 | 1303 | 51.0 7.3 | 0600 | 49.9 1.6 | 90 5 | 34 2 | 4.0 | 16.6 0.3 | 0031 | SW | 220 | 0.00 | 30.39 | 0.212 0.008 | 668 2 | 0 0 |
| Napa-West Upper (Truchard) | 3/3/26 | 70.2 1.7 | 1509 | 44.8 4.7 | 0457 | -19.9 43.4 | 100 0 | 0 0 | 2.4 | 15.0 3.4 | 1555 | SSW | 202 | 0.00 | 20.16 | 0.092 0.018 | 318 33 | 0 0 |
| Napa-West Lower (Truchard) | 3/3/26 | 72.2 1.0 | 1443 | 39.4 3.3 | 0439 | 47.4 2.5 | 100 0 | 54 4 | - | - | - | - | - | - | - | - | 0 0 |
| Napa-South (Toyon Farms) | 3/3/26 | 69.1 1.4 | 1442 | 45.8 4.0 | 0448 | 51.2 1.9 | 100 0 | 67 6 | 1.8 | 13.3 0.0 | 1627 | WSW | 242 | 0.00 | 13.94 | 0.048 0.003 | 192 21 | 0 0 |
| Toyon Remote 1 | 3/3/26 | 70.1 2.7 | 1402 | 40.8 3.2 | 0414 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 2 | 3/3/26 | 68.0 1.2 | 1552 | 42.7 2.7 | 0344 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 3 | 3/3/26 | 71.1 0.8 | 1356 | 40.6 3.3 | 0429 | - | - | - | - | - | - | - | - | - | - | - | - |
| Dealy Lane (Ranch 80) | 3/3/26 | 69.5 1.3 | 1426 | 43.8 2.9 | 0415 | 49.0 1.8 | 98 1 | 56 5 | 2.0 | 11.9 0.7 | 1623 | WSW | 240 | 0.00 | 19.35 | 0.084 0.000 | 329 0 | 0 0 |
| Carneros (Saintsbury) | 3/3/26 | 67.3 0.5 | 1337 | 42.0 4.9 | 0407 | 48.3 2.5 | 100 0 | 64 10 | 2.8 | 20.7 7.7 | 1717 | W | 277 | 0.00 | 5.62 | - | - | 0 0 |
| Suscol Lower (Ranch 35) | 3/3/26 | 67.7 1.1 | 1432 | 43.8 2.5 | 0415 | 42.4 7.9 | - | - | 3.1 | 13.2 0.7 | 1623 | WSW | 238 | 0.00 | 18.31 | 0.079 0.012 | 294 62 | 0 0 |
| Suscol Mtn (Ranch 93) | 3/3/26 | 66.6 0.7 | 1522 | 47.5 3.0 | 0425 | 50.0 0.0 | 100 3 | 55 2 | 3.2 | 17.5 2.7 | 1636 | NW | 315 | 0.00 | 13.80 | - | - | 0 0 |
| Suscol Upper (Ranch 92) | 3/3/26 | 67.2 2.5 | 1521 | 48.3 3.0 | 0533 | 43.7 6.0 | 100 0 | 3 0 | 1.4 | 15.5 1.8 | 1632 | SSW | 213 | 0.00 | 18.16 | - | - | 0 0 |
| Stanly (Ranch 45) | 3/3/26 | 67.8 1.5 | 1340 | 43.2 4.5 | 0349 | 48.0 2.6 | 100 4 | 60 6 | 3.4 | 15.9 0.4 | 1630 | W | 262 | 0.00 | 19.65 | 0.091 0.018 | 355 69 | 0 0 |
| Carneros Upper (Ranch 81) | 3/3/26 | 68.7 1.7 | 1509 | 48.0 3.8 | 0626 | 11.5 32.8 | - | - | 6.0 | 27.1 7.1 | 1659 | W | 267 | - | - | - | - | 0 0 |
| Carneros (Mitsuko) | 3/3/26 | 68.1 0.5 | 1533 | 40.8 2.2 | 0347 | - | - | - | - | - | - | - | - | - | - | - | 0 0 |
| Carneros Lower (Ranch 81) | 3/3/26 | 71.2 1.7 | 1349 | 43.6 4.1 | 0447 | 20.0 31.4 | 100 1 | 0 51 | 1.4 | 14.9 4.1 | 1811 | NW | 318 | 0.00 | 16.94 | 0.074 0.005 | 243 18 | 0 0 |
| Carneros (Milton Rd) | 3/3/26 | 68.1 0.4 | 1353 | 42.2 3.1 | 0327 | 48.9 2.0 | 95 2 | 61 3 | - | - | - | - | 0.00 | 5.75 | - | - | 0 0 |
| Max | 81.4 | - | 48.8 | - | 58.0 | 100 | 67 | 6.0 | 27.1 | - | - | 0.00 | 29.29 | 0.098 | 421 | - | |
| Avg | - | - | - | - | 40.3 | - | - | 2.4 | - | - | - | - | - | - | - | - | |
| Min | 64.1 | - | 39.4 | - | -19.9 | 95 | 0 | 1.3 | 6.7 | - | - | 0.00 | 5.62 | 0.048 | 192 | - |