| 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 | 1/30/26 | 65.4 1.0 | 1542 | 37.1 2.0 | 0541 | - | - | - | - | - | - | - | 0.00 | 34.87 | - | - | - |
| Pope Valley (Weeks Lake) | 1/30/26 | 68.9 2.1 | 1412 | 30.5 0.2 | 0619 | 37.5 0.3 | 100 0 | 35 7 | 0.9 | 9.2 1.8 | 1436 | ESE | 106 | 0.00 | 17.00 | 0.059 0.002 | 248 8 | 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 | 1/30/26 | 66.0 2.9 | 1330 | 32.7 0.5 | 0611 | 42.2 0.2 | 100 0 | 44 1 | 2.6 | 13.5 3.7 | 1543 | NE | 51 | 0.00 | 14.84 | 0.069 0.001 | 273 12 | - |
| Dollarhide 1AS Remote | 1/30/26 | 67.0 4.1 | 1418 | 31.4 0.3 | 0258 | 38.4 0.0 | 96 0 | 43 2 | 1.3 | 9.6 1.8 | 1550 | ENE | 66 | - | - | - | - | - |
| Dollarhide 17B Remote | 1/30/26 | 68.1 2.9 | 1404 | 31.4 0.5 | 0554 | 40.6 | 100 0 | 43 1 | - | - | - | - | - | - | - | - | - |
| Dollarhide 18A Remote | 1/30/26 | 66.0 4.6 | 1430 | 30.8 0.1 | 0251 | 38.2 0.0 | 100 0 | 43 3 | - | - | - | - | - | - | - | - | - |
| Angwin | 1/30/26 | 58.1 3.3 | 1442 | 48.8 4.5 | 2045 | 36.2 0.5 | 70 7 | 33 10 | 6.3 | 13.2 1.9 | 1815 | NNW | 342 | 0.00 | 32.20 | 0.051 0.010 | 0 0 | 0 0 |
| Lower Angwin (Pioneer) | 1/30/26 | 61.9 2.4 | 1434 | 37.1 0.5 | 0235 | - | - | - | 3.2 | 10.8 1.0 | 2035 | NNE | 14 | - | - | - | - | - |
| Deer Park | 1/30/26 | 71.1 0.0 | 1449 | 45.2 2.2 | 0452 | 41.4 1.6 | 87 3 | 29 1 | 2.4 | 13.4 4.2 | 1904 | ENE | 67 | 0.00 | 18.58 | 0.063 0.003 | 190 11 | - |
| Lower Chiles Valley (Brown) | 1/30/26 | 66.4 2.5 | 1439 | 33.5 1.2 | 0255 | 39.6 1.0 | 100 0 | 39 2 | 1.8 | 11.6 2.2 | 1420 | E | 91 | 0.00 | 14.48 | 0.069 0.001 | 263 20 | 0 0 |
| Moss Creek Vineyard/Reservior | 1/30/26 | 63.8 2.5 | 1404 | 33.4 0.5 | 0648 | 40.5 0.4 | 100 0 | 46 11 | - | - | - | - | 0.00 | 19.07 | - | - | - |
| Max | 71.1 | - | 48.8 | - | 42.2 | 100 | 46 | 6.3 | 13.5 | - | - | 0.00 | 34.87 | 0.069 | 273 | - | |
| Avg | - | - | - | - | 39.4 | - | - | 2.6 | - | - | - | - | - | - | - | - | |
| Min | 58.1 | - | 30.5 | - | 36.2 | 70 | 29 | 0.9 | 9.2 | - | - | 0.00 | 14.48 | 0.051 | 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 | 1/30/26 | 71.3 1.8 | 1355 | 35.7 1.3 | 0556 | 42.6 0.1 | 100 0 | 39 1 | - | - | - | - | 0.01 | 22.79 | - | - | - |
| Fotsch (Maple Lane) | 1/30/26 | 71.7 0.6 | 1438 | 33.8 0.0 | 0606 | 40.4 0.6 | 98 0 | 30 4 | 1.9 | 10.9 2.5 | 1508 | SE | 145 | 0.00 | 20.71 | - | - | - |
| Diamond Mtn (Schramsberg) | 1/30/26 | 64.8 1.3 | 1256 | 47.4 3.2 | 0652 | 41.5 2.5 | 82 7 | 37 9 | - | - | - | - | 0.00 | 20.87 | - | - | - |
| Diamond Mtn (McEachran) | 1/30/26 | 68.4 0.9 | 1408 | 43.7 1.7 | 0635 | 42.9 1.0 | 93 4 | 34 6 | - | - | - | - | - | - | - | - | - |
| St. Helena-North | 1/30/26 | 71.6 1.3 | 1439 | 35.5 0.1 | 0656 | 41.4 0.2 | 100 0 | 31 1 | 1.8 | 9.9 4.6 | 1253 | SSE | 162 | 0.00 | 20.85 | 0.057 0.004 | 195 15 | - |
| St. Helena (NVV Office) | 1/30/26 | 70.6 3.3 | 1513 | 37.2 0.8 | 0649 | - | - | - | 1.2 | 8.1 1.1 | 1013 | NNW | 334 | 0.00 | 18.28 | - | - | - |
| Tiara Fria (East St. Helena) | 1/30/26 | 70.8 1.2 | 1438 | 35.8 0.1 | 0607 | 41.7 0.1 | 98 0 | 37 5 | 1.5 | 8.0 0.9 | 1047 | W | 276 | 0.00 | 16.83 | - | - | - |
| Rutherford Hill Estate | 1/30/26 | 70.7 1.8 | 1435 | 44.6 1.1 | 0422 | 43.4 1.3 | 93 2 | 32 1 | 1.6 | 11.0 3.1 | 1500 | SSE | 156 | 0.00 | 17.09 | 0.062 0.001 | 231 12 | 0 0 |
| Rutherford-North (Mee Ln) | 1/30/26 | 70.5 3.0 | 1404 | 33.1 0.9 | 0548 | 40.4 0.2 | 100 0 | 36 6 | 2.0 | 10.3 0.9 | 1541 | ESE | 103 | 0.00 | 15.43 | 0.055 0.008 | 203 47 | 0 0 |
| Rutherford (STS) | 1/30/26 | 72.5 2.9 | 1421 | 36.7 0.1 | 0402 | 42.5 0.2 | 92 0 | 41 10 | 1.9 | 7.2 1.2 | 1631 | NE | 48 | 0.00 | 16.15 | 0.066 0.005 | 272 17 | - |
| Oakville-NE (Ranch 88) | 1/30/26 | 70.5 1.3 | 1548 | 33.3 0.2 | 0438 | 40.1 0.0 | 97 0 | 37 8 | 0.5 | 6.5 2.4 | 1659 | NE | 49 | 0.00 | 16.13 | 0.061 0.007 | 265 20 | 0 0 |
| OV561-East | 1/30/26 | 72.4 0.8 | 1531 | 35.2 0.1 | 0503 | - | - | - | - | - | - | - | - | - | - | - | - |
| Oakville | 1/30/26 | 70.1 2.0 | 1522 | 34.3 0.8 | 0451 | 41.5 0.4 | 98 0 | 37 7 | 1.5 | 7.4 3.8 | 1429 | SSE | 155 | 0.00 | 16.67 | 0.064 0.006 | 265 17 | - |
| OV518-West | 1/30/26 | 68.4 1.7 | 1501 | 35.7 0.3 | 0608 | - | - | - | - | - | - | - | - | - | - | - | - |
| To Kalon Remote (TKKE) | 1/30/26 | 72.1 0.4 | 1444 | 34.8 0.4 | 0346 | - | - | - | - | - | - | - | - | - | - | - | - |
| To Kalon | 1/30/26 | 70.6 2.3 | 1426 | 36.2 0.0 | 0426 | 42.9 0.2 | 100 0 | 38 8 | 1.9 | 6.8 2.1 | 2153 | WNW | 291 | 0.00 | 17.83 | 0.061 0.005 | 244 20 | - |
| To Kalon Remote (TKN5) | 1/30/26 | 70.4 2.3 | 1415 | 35.0 0.0 | 0430 | - | - | - | - | - | - | - | - | - | - | - | - |
| Yountville (Ranch 67) | 1/30/26 | 69.7 0.6 | 1543 | 35.7 0.0 | 0649 | 41.3 0.3 | 98 0 | 36 3 | 1.4 | 6.6 3.7 | 1333 | ESE | 104 | 0.00 | 15.30 | 0.065 0.007 | 326 17 | - |
| Stags Leap Dist (Silverado Vineyards) | 1/30/26 | 69.2 1.1 | 1513 | 36.7 0.2 | 0359 | 41.8 0.1 | 100 0 | 33 7 | 0.9 | 5.8 5.4 | 1403 | S | 173 | 0.00 | 18.56 | 0.061 0.012 | 262 20 | - |
| Borreo (Soda Canyon) | 1/30/26 | 68.6 2.2 | 1546 | 38.1 1.1 | 0649 | 42.0 0.3 | 98 0 | 42 1 | 1.7 | 6.9 0.2 | 2034 | NNW | 338 | 0.00 | 18.92 | 0.064 0.002 | 273 17 | - |
| Wappo Hill Floor | 1/30/26 | 73.7 2.6 | 1441 | 35.0 0.8 | 0630 | 42.4 0.1 | 100 0 | 36 5 | 1.0 | 8.0 0.9 | 1343 | S | 190 | 0.00 | 18.31 | 0.062 0.006 | 262 18 | - |
| Stags Leap Dist (Chimney Rock) | 1/30/26 | 71.6 0.9 | 1506 | 36.2 0.3 | 0631 | - | - | - | 1.4 | 6.6 2.4 | 0208 | NNE | 18 | 0.00 | 16.36 | 0.057 0.004 | 230 17 | 0 0 |
| Yountville-South (Ranch 87) | 1/30/26 | 70.5 2.4 | 1442 | 36.6 1.1 | 0457 | 42.9 0.5 | 100 0 | 39 6 | 1.1 | 6.3 2.1 | 1342 | SSE | 156 | 0.00 | 18.37 | 0.059 0.006 | 248 17 | - |
| Yountville-SE (Ranch 85) | 1/30/26 | 71.7 3.4 | 1504 | 35.9 0.8 | 0619 | 42.9 0.0 | 100 0 | 40 4 | 0.9 | 5.2 1.7 | 1114 | NNW | 341 | 0.00 | 17.30 | - | 0 0 | 0 0 |
| Oak Knoll-East (Ranch 53) | 1/30/26 | 72.2 3.9 | 1443 | 36.0 1.1 | 0500 | 41.7 0.4 | 98 0 | 37 5 | 1.0 | 7.1 0.4 | 1126 | NNW | 341 | 0.00 | 16.19 | 0.059 0.005 | 242 23 | - |
| Napa-NW (Ranch 54) | 1/30/26 | 70.8 3.8 | 1539 | 37.0 0.4 | 0629 | 43.4 0.6 | 100 0 | 41 4 | 1.1 | 6.6 2.9 | 1603 | SSE | 148 | 0.00 | 17.35 | - | 0 0 | 0 0 |
| Napa-North (Ranch 29) | 1/30/26 | 70.4 3.5 | 1408 | 35.6 0.5 | 0510 | 43.2 0.3 | 100 0 | 42 1 | 0.7 | 8.0 0.4 | 1346 | S | 186 | 0.00 | 15.88 | 0.042 0.003 | 156 7 | - |
| Max | 73.7 | - | 47.4 | - | 43.4 | 100 | 42 | 2.0 | 11.0 | - | - | 0.01 | 22.79 | 0.066 | 326 | - | |
| Avg | - | - | - | - | 42.0 | - | - | 1.3 | - | - | - | - | - | - | - | - | |
| Min | 64.8 | - | 33.1 | - | 40.1 | 82 | 30 | 0.5 | 5.2 | - | - | 0.00 | 15.30 | 0.042 | 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 | 1/30/26 | 63.3 1.1 | 0816 | 50.9 3.1 | 0732 | 39.4 0.6 | 71 6 | 27 6 | 1.6 | 8.9 0.0 | 1159 | N | 1 | 0.00 | 23.09 | 0.087 0.020 | 413 126 | 0 0 |
| Mount George (Napa East) | 1/30/26 | 76.0 3.7 | 1425 | 38.2 0.6 | 0434 | 44.3 2.6 | 100 0 | 34 9 | 1.1 | 13.2 6.9 | 1308 | ENE | 76 | 0.00 | 7.26 | 0.069 0.000 | 271 16 | - |
| Napa-East (Palmaz 300') | 1/30/26 | 70.9 1.6 | 1528 | 38.5 0.7 | 0442 | 42.8 1.0 | 100 0 | 30 12 | 1.8 | 15.4 6.8 | 1813 | E | 84 | 0.00 | 14.12 | 0.064 0.003 | 233 16 | - |
| Napa-East (Palmaz 1200') | 1/30/26 | 64.2 0.1 | 1520 | 40.2 1.3 | 0232 | 40.4 1.1 | 100 0 | 38 33 | 3.8 | 13.2 1.8 | 1405 | ENE | 75 | - | - | 0.071 0.007 | 251 13 | - |
| Napa-East (Palmaz 1400') | 1/30/26 | 63.0 1.0 | 1427 | 39.2 1.0 | 0317 | 40.9 1.1 | 100 0 | 45 5 | 5.0 | 13.4 3.3 | 1258 | NNE | 17 | 0.00 | 19.62 | 0.073 0.006 | 259 13 | - |
| 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) | 1/30/26 | 68.6 3.1 | 1438 | 41.1 0.1 | 0642 | - | - | - | 0.8 | 14.4 3.2 | 0539 | NNE | 22 | 0.00 | 15.67 | 0.061 0.007 | 265 20 | 0 0 |
| Napa-West Lower (Truchard) | 1/30/26 | 71.4 4.9 | 1443 | 33.6 1.8 | 0329 | 41.1 0.1 | 100 0 | 40 14 | - | - | - | - | - | - | - | - | 0 0 |
| Napa-South (Toyon Farms) | 1/30/26 | 70.7 5.1 | 1535 | 41.0 0.4 | 0553 | 47.4 0.7 | 100 0 | 44 15 | 0.8 | 6.9 1.0 | 0635 | N | 353 | 0.00 | 9.91 | 0.035 0.002 | 138 12 | 0 0 |
| Toyon Remote 1 | 1/30/26 | 68.8 2.3 | 1423 | 37.0 0.2 | 0637 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 2 | 1/30/26 | 68.0 2.7 | 1501 | 35.9 0.2 | 0205 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 3 | 1/30/26 | 70.4 3.1 | 1457 | 35.9 1.0 | 0320 | - | - | - | - | - | - | - | - | - | - | - | - |
| Dealy Lane (Ranch 80) | 1/30/26 | 68.1 2.3 | 1413 | 37.5 0.9 | 0625 | 44.8 0.4 | 97 0 | 49 1 | 2.3 | 8.3 0.3 | 0417 | NNW | 327 | 0.00 | 14.92 | 0.064 0.001 | 273 16 | - |
| Carneros (Saintsbury) | 1/30/26 | 66.6 0.1 | 1353 | 36.8 1.1 | 0457 | 44.1 0.7 | 100 0 | 49 3 | 1.8 | 9.0 1.8 | 1407 | SE | 146 | 0.00 | 1.77 | - | - | 0 0 |
| Suscol Lower (Ranch 35) | 1/30/26 | 67.7 1.8 | 1336 | 37.7 0.4 | 0329 | 43.0 0.9 | - | - | 3.2 | 14.0 4.8 | 1504 | ESE | 114 | 0.00 | 14.30 | 0.069 0.003 | 259 16 | - |
| Suscol Mtn (Ranch 93) | 1/30/26 | 64.7 1.0 | 1246 | 48.8 1.8 | 0529 | 41.8 1.7 | 80 7 | 37 15 | 6.8 | 30.9 13.6 | 1425 | ESE | 112 | 0.00 | 9.84 | - | - | - |
| Suscol Upper (Ranch 92) | 1/30/26 | 67.0 1.7 | 1304 | 45.8 1.3 | 0659 | 42.8 1.4 | 84 4 | 40 11 | 2.0 | 21.9 10.6 | 1504 | NE | 49 | 0.00 | 13.75 | - | - | 0 0 |
| Stanly (Ranch 45) | 1/30/26 | 67.4 0.7 | 1339 | 37.4 0.6 | 0547 | 43.7 0.7 | 99 0 | 47 1 | 3.5 | 14.9 4.8 | 1447 | SE | 132 | 0.00 | 15.43 | 0.078 0.002 | 302 20 | 0 0 |
| Carneros Upper (Ranch 81) | 1/30/26 | 67.4 3.5 | 1453 | 41.6 3.3 | 0618 | 44.9 0.9 | - | - | 3.2 | 12.6 4.1 | 1107 | W | 262 | - | - | - | - | - |
| Carneros (Mitsuko) | 1/30/26 | 66.1 0.2 | 1445 | 32.7 0.0 | 0558 | - | - | - | - | - | - | - | - | - | - | - | - |
| Carneros Lower (Ranch 81) | 1/30/26 | 65.5 0.2 | 1436 | 39.5 1.5 | 0544 | 34.0 9.7 | 100 0 | 0 0 | 1.4 | 9.5 1.5 | 0644 | WNW | 300 | 0.00 | 12.89 | 0.048 0.000 | 178 12 | - |
| Carneros (Milton Rd) | 1/30/26 | 65.3 0.9 | 1222 | 38.2 2.6 | 0542 | 44.2 1.0 | 96 0 | 52 1 | - | - | - | - | 0.00 | 5.74 | - | - | - |
| Max | 76.0 | - | 50.9 | - | 47.4 | 100 | 52 | 6.8 | 30.9 | - | - | 0.00 | 23.09 | 0.087 | 413 | - | |
| Avg | - | - | - | - | 42.5 | - | - | 2.6 | - | - | - | - | - | - | - | - | |
| Min | 63.0 | - | 32.7 | - | 34.0 | 71 | 0 | 0.8 | 6.9 | - | - | 0.00 | 1.77 | 0.035 | 138 | - |