| 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 | 1/8/26 | 50.0 5.4 | 1508 | 29.1 7.1 | 0743 | - | - | - | - | - | - | - | 0.00 | 34.57 | - | - | - |
| Pope Valley (Weeks Lake) | 1/8/26 | 55.3 8.9 | 1411 | 30.4 7.6 | 0738 | 26.5 15.2 | 92 8 | 22 20 | 4.3 | 22.1 6.1 | 0120 | NW | 311 | 0.00 | 16.94 | 0.069 0.011 | 242 10 | 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 | 1/8/26 | 55.8 8.1 | 1312 | 35.2 8.0 | 0705 | 30.3 13.9 | 91 9 | 28 24 | 6.2 | 27.0 7.7 | 1444 | N | 10 | 0.00 | 14.79 | 0.081 0.019 | 262 17 | - |
| Dollarhide 1AS Remote | 1/8/26 | 56.7 8.0 | 1415 | 29.9 8.9 | 0757 | 30.7 12.9 | 96 0 | 29 22 | 3.9 | 20.2 5.0 | 1343 | NNE | 31 | - | - | - | - | - |
| Dollarhide 17B Remote | 1/8/26 | 56.9 6.7 | 1513 | 31.8 9.0 | 0733 | 31.0 13.4 | 97 3 | 29 23 | - | - | - | - | - | - | - | - | - |
| Dollarhide 18A Remote | 1/8/26 | 55.7 6.2 | 1430 | 29.3 8.9 | 0723 | 31.1 12.7 | 100 0 | 27 27 | - | - | - | - | - | - | - | - | - |
| Angwin | 1/8/26 | 45.3 6.5 | 1346 | 34.3 3.9 | 0514 | 23.0 16.3 | 85 15 | 31 27 | 10.4 | 31.9 14.2 | 0149 | NW | 314 | 0.01 | 32.03 | 0.055 0.043 | 0 0 | 0 0 |
| Lower Angwin (Pioneer) | 1/8/26 | 49.4 5.7 | 1229 | 27.9 9.8 | 0703 | - | - | - | 4.7 | 21.3 3.1 | 2200 | NE | 35 | - | - | - | - | - |
| Deer Park | 1/8/26 | 56.1 3.7 | 1349 | 39.0 6.0 | 0734 | 27.7 15.4 | 78 15 | 22 32 | 5.1 | 22.3 3.0 | 1305 | N | 10 | 0.00 | 18.50 | 0.064 0.015 | 183 19 | - |
| Lower Chiles Valley (Brown) | 1/8/26 | 54.3 4.3 | 1331 | 30.0 10.1 | 0744 | 27.2 14.9 | 96 4 | 23 29 | 3.4 | 19.2 1.7 | 1213 | NW | 320 | 0.00 | 14.38 | 0.069 0.010 | 249 22 | 0 0 |
| Moss Creek Vineyard/Reservior | 1/8/26 | 55.2 7.3 | 1344 | 34.5 7.7 | 0751 | 29.0 13.8 | 93 7 | 26 21 | - | - | - | - | 0.00 | 19.00 | - | - | - |
| Max | 56.9 | - | 39.0 | - | 31.1 | 100 | 31 | 10.4 | 31.9 | - | - | 0.01 | 34.57 | 0.081 | 262 | - | |
| Avg | - | - | - | - | 28.5 | - | - | 5.4 | - | - | - | - | - | - | - | - | |
| Min | 45.3 | - | 27.9 | - | 23.0 | 78 | 22 | 3.4 | 19.2 | - | - | 0.00 | 14.38 | 0.055 | 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 | 12/21/25 | 60.3 0.8 | 1104 | 56.9 0.7 | 1918 | 58.1 0.7 | 100 0 | 94 6 | - | - | - | - | 2.50 | 11.63 | - | - | - |
| Fotsch (Maple Lane) | 1/8/26 | 58.6 2.4 | 1459 | 39.4 7.5 | 0548 | 29.7 14.0 | 82 14 | 22 29 | 5.2 | 21.2 0.4 | 0024 | W | 260 | 0.00 | 20.61 | - | - | - |
| Diamond Mtn (Schramsberg) | 1/8/26 | 54.4 3.2 | 1225 | 37.0 6.1 | 0722 | 28.0 15.2 | 85 14 | 26 36 | - | - | - | - | 0.00 | 20.76 | - | - | - |
| Diamond Mtn (McEachran) | 1/8/26 | 56.0 1.7 | 1424 | 37.4 8.1 | 0653 | 28.3 15.1 | 88 10 | 24 34 | - | - | - | - | - | - | - | - | - |
| St. Helena-North | 1/8/26 | 60.8 3.2 | 1330 | 37.4 7.5 | 0732 | 28.5 15.0 | 88 12 | 17 29 | 2.6 | 16.5 2.2 | 0022 | W | 270 | 0.00 | 20.73 | 0.054 0.007 | 197 28 | - |
| St. Helena (NVV Office) | 1/8/26 | 58.2 4.3 | 1502 | 39.0 7.0 | 0637 | - | - | - | 2.9 | 14.4 2.5 | 1258 | NE | 37 | 0.00 | 18.18 | - | - | - |
| Tiara Fria (East St. Helena) | 1/8/26 | 57.4 4.6 | 1505 | 34.6 8.3 | 0734 | 28.6 15.2 | 93 5 | 20 31 | 4.8 | 23.8 4.8 | 1306 | NNW | 331 | 0.00 | 16.72 | - | - | - |
| Rutherford Hill Estate | 1/8/26 | 59.5 3.9 | 1516 | 39.4 6.4 | 0802 | 29.0 15.1 | 79 17 | 21 28 | 2.6 | 16.9 2.0 | 1132 | ENE | 75 | 0.00 | 17.00 | 0.055 0.009 | 215 22 | 0 0 |
| Rutherford-North (Mee Ln) | 1/8/26 | 58.1 4.4 | 1501 | 32.1 2.8 | 0716 | 29.4 11.4 | 95 5 | 22 29 | 4.0 | 22.6 4.8 | 2312 | NNW | 330 | 0.00 | 15.31 | 0.067 0.016 | 220 26 | 0 0 |
| Rutherford (STS) | 12/19/25 | 58.0 1.5 | 1314 | 50.6 6.1 | 0008 | 49.5 3.1 | 84 6 | 79 2 | 3.6 | 16.7 9.8 | 1453 | ESE | 111 | 0.70 | 6.72 | 0.023 0.005 | 33 38 | - |
| Oakville-NE (Ranch 88) | 1/8/26 | 57.9 5.0 | 1413 | 31.0 10.3 | 0742 | 28.4 14.2 | 94 3 | 20 30 | 4.3 | 20.5 3.2 | 1503 | NNE | 32 | 0.00 | 16.02 | 0.078 0.031 | 260 39 | 0 0 |
| OV561-East | 1/8/26 | 59.5 5.1 | 1426 | 32.9 10.3 | 0715 | - | - | - | - | - | - | - | - | - | - | - | - |
| Oakville | 1/8/26 | 58.0 4.5 | 1330 | 31.7 10.4 | 0736 | 29.4 14.0 | 96 3 | 20 31 | 4.3 | 20.2 5.4 | 1344 | N | 354 | 0.00 | 16.58 | 0.074 0.021 | 250 29 | - |
| OV518-West | 1/8/26 | 57.4 5.2 | 1331 | 33.3 8.9 | 0727 | - | - | - | - | - | - | - | - | - | - | - | - |
| To Kalon Remote (TKKE) | 1/8/26 | 58.4 4.0 | 1422 | 33.3 7.3 | 0701 | - | - | - | - | - | - | - | - | - | - | - | - |
| To Kalon | 1/8/26 | 58.5 4.2 | 1420 | 35.0 6.6 | 0736 | 30.4 14.1 | 92 8 | 23 30 | 4.5 | 19.4 2.3 | 1326 | NNE | 14 | 0.00 | 17.71 | 0.071 0.018 | 238 23 | - |
| To Kalon Remote (TKN5) | 1/8/26 | 58.1 4.6 | 1419 | 33.7 8.2 | 0639 | - | - | - | - | - | - | - | - | - | - | - | - |
| Yountville (Ranch 67) | 1/8/26 | 57.5 3.9 | 1412 | 31.0 12.4 | 0726 | 28.8 14.8 | 96 2 | 21 31 | 4.4 | 19.2 7.2 | 1334 | N | 350 | 0.03 | 14.99 | 0.081 0.027 | 326 53 | - |
| Stags Leap Dist (Silverado Vineyards) | 1/8/26 | 57.2 5.8 | 1253 | 31.3 12.3 | 0723 | 28.9 14.8 | 95 2 | 20 29 | 2.6 | 19.4 9.6 | 1159 | N | 353 | 0.00 | 18.44 | 0.069 0.016 | 247 10 | - |
| Borreo (Soda Canyon) | 1/8/26 | 56.5 4.1 | 1331 | 32.0 9.8 | 0739 | 27.1 16.2 | 95 4 | 22 31 | 4.8 | 24.2 13.1 | 2339 | NW | 323 | 0.00 | 18.80 | 0.079 0.028 | 262 22 | - |
| Wappo Hill Floor | 1/8/26 | 58.0 7.0 | 1346 | 34.0 8.9 | 0743 | 30.8 13.7 | 100 0 | 25 27 | 7.0 | 22.1 5.5 | 2236 | NNW | 347 | 0.00 | 18.22 | 0.088 0.037 | 258 30 | - |
| Stags Leap Dist (Chimney Rock) | 1/8/26 | 58.4 6.8 | 1334 | 33.3 8.2 | 0727 | - | - | - | 5.1 | 22.6 7.2 | 1407 | NNW | 328 | 0.00 | 16.22 | 0.074 0.025 | 218 22 | 0 0 |
| Yountville-South (Ranch 87) | 1/8/26 | 59.8 3.3 | 1425 | 32.3 12.0 | 0726 | 30.8 14.8 | 100 0 | 22 30 | 2.8 | 19.4 6.4 | 1210 | NNW | 334 | 0.00 | 18.26 | 0.065 0.012 | 256 24 | - |
| Yountville-SE (Ranch 85) | 1/8/26 | 57.8 5.6 | 1327 | 33.3 10.3 | 0747 | 30.8 14.9 | 96 4 | 23 31 | 4.7 | 18.8 3.7 | 1407 | NE | 34 | 0.00 | 17.18 | - | 0 0 | 0 0 |
| Oak Knoll-East (Ranch 53) | 1/8/26 | 58.8 3.9 | 1342 | 32.5 12.5 | 0741 | 30.2 14.6 | 95 3 | 21 28 | 3.6 | 17.1 4.4 | 0026 | NW | 326 | 0.00 | 16.09 | 0.068 0.019 | 235 33 | - |
| Napa-NW (Ranch 54) | 1/8/26 | 58.1 3.6 | 1354 | 33.8 11.0 | 0641 | 29.5 15.9 | 100 0 | 21 32 | 4.3 | 17.0 2.7 | 2306 | NNE | 14 | 0.00 | 17.24 | - | 0 0 | 0 0 |
| Napa-North (Ranch 29) | 1/8/26 | 58.4 6.7 | 1428 | 33.8 12.1 | 0722 | 31.7 14.0 | 100 0 | 22 29 | 1.8 | 15.1 3.9 | 1448 | N | 353 | 0.00 | 15.78 | 0.041 0.007 | 132 7 | - |
| Max | 60.8 | - | 39.4 | - | 31.7 | 100 | 26 | 7.0 | 24.2 | - | - | 0.03 | 20.76 | 0.088 | 326 | - | |
| Avg | - | - | - | - | 29.4 | - | - | 4.0 | - | - | - | - | - | - | - | - | |
| Min | 54.4 | - | 31.0 | - | 27.1 | 79 | 17 | 1.8 | 14.4 | - | - | 0.00 | 14.99 | 0.041 | 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 | 1/8/26 | 50.2 5.9 | 1213 | 37.8 4.1 | 0605 | 27.0 15.2 | 85 10 | 30 31 | 3.8 | 17.7 6.5 | 1937 | NNW | 348 | 0.00 | 22.87 | 0.057 0.023 | 151 10 | 0 0 |
| Mount George (Napa East) | 1/8/26 | 61.6 3.6 | 1333 | 33.4 9.5 | 0655 | 33.8 12.7 | 99 0 | 27 29 | 3.1 | 19.1 8.8 | 1505 | NNW | 339 | 0.00 | 7.16 | 0.072 0.022 | 259 38 | - |
| Napa-East (Palmaz 300') | 1/8/26 | 59.0 3.5 | 1409 | 36.2 7.8 | 0636 | 30.2 15.2 | 91 9 | 22 29 | 2.5 | 15.4 4.3 | 1503 | W | 270 | 0.00 | 14.03 | 0.056 0.011 | 223 25 | - |
| Napa-East (Palmaz 1200') | 1/8/26 | 53.1 3.3 | 1223 | 31.6 10.5 | 0723 | 28.7 12.5 | 100 0 | 5 20 | 2.7 | 20.5 7.8 | 1143 | E | 80 | - | - | 0.057 0.013 | 235 15 | - |
| Napa-East (Palmaz 1400') | 1/8/26 | 51.3 5.6 | 1332 | 35.8 7.0 | 0705 | 28.2 15.9 | 88 12 | 31 34 | 5.2 | 22.9 7.6 | 2241 | NNE | 25 | 0.00 | 19.50 | 0.063 0.020 | 230 14 | - |
| 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) | 1/8/26 | 57.5 4.6 | 1357 | 38.6 4.0 | 0727 | - | - | - | 4.6 | 19.9 3.8 | 1425 | N | 0 | 0.00 | 15.55 | 0.074 0.019 | 260 28 | 0 0 |
| Napa-West Lower (Truchard) | 1/8/26 | 60.2 2.9 | 1403 | 30.5 9.6 | 0644 | 30.8 13.5 | 100 0 | 23 30 | - | - | - | - | - | - | - | - | 0 0 |
| Napa-South (Toyon Farms) | 1/8/26 | 61.5 1.3 | 1342 | 37.5 7.4 | 0715 | 34.7 12.8 | 96 4 | 27 32 | 1.9 | 11.5 2.8 | 1210 | NNW | 327 | 0.00 | 9.78 | 0.036 0.004 | 129 3 | 0 0 |
| Toyon Remote 1 | 1/8/26 | 58.4 4.4 | 1328 | 32.8 8.8 | 0658 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 2 | 1/8/26 | 58.8 2.8 | 1352 | 32.2 11.3 | 0702 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 3 | 1/8/26 | 58.7 5.0 | 1403 | 0.0 42.1 | 0000 | - | - | - | - | - | - | - | - | - | - | - | - |
| Dealy Lane (Ranch 80) | 1/8/26 | 57.7 3.6 | 1425 | 35.2 6.4 | 0614 | 31.8 13.2 | 92 5 | 24 29 | 3.9 | 18.6 5.2 | 1147 | NNW | 343 | 0.00 | 14.80 | 0.070 0.020 | 262 27 | - |
| Carneros (Saintsbury) | 1/8/26 | 58.8 3.1 | 1347 | 36.0 4.9 | 0707 | 30.2 14.2 | 89 11 | 22 32 | 4.0 | 15.5 2.2 | 0239 | W | 276 | 0.00 | 1.65 | - | - | 0 0 |
| Suscol Lower (Ranch 35) | 1/8/26 | 59.2 2.6 | 1324 | 35.0 7.7 | 0644 | 29.4 16.0 | - | - | 5.8 | 19.7 2.0 | 1406 | NNW | 334 | 0.00 | 14.19 | 0.084 0.030 | 244 18 | - |
| Suscol Mtn (Ranch 93) | 1/8/26 | 54.3 3.8 | 1430 | 40.1 4.8 | 0718 | 27.8 16.7 | 80 19 | 24 35 | 9.5 | 28.5 3.3 | 1447 | ENE | 67 | 0.02 | 9.83 | - | - | - |
| Suscol Upper (Ranch 92) | 1/8/26 | 55.6 3.0 | 1311 | 39.5 5.8 | 0505 | 28.7 16.4 | 82 18 | 23 34 | 6.4 | 24.7 4.9 | 0049 | SW | 220 | 0.00 | 13.66 | - | - | 0 0 |
| Stanly (Ranch 45) | 1/8/26 | 59.1 3.4 | 1405 | 35.8 5.5 | 0714 | 30.8 13.5 | 92 8 | 22 34 | 5.6 | 20.3 0.8 | 1334 | ENE | 62 | 0.00 | 15.30 | 0.089 0.031 | 296 42 | 0 0 |
| Carneros Upper (Ranch 81) | 1/8/26 | 57.1 2.8 | 1421 | 41.9 4.8 | 0745 | 28.6 5.1 | - | - | 8.3 | 22.4 3.9 | 1556 | N | 0 | - | - | - | - | - |
| Carneros (Mitsuko) | 1/8/26 | 58.8 2.2 | 1416 | 31.2 9.2 | 0724 | - | - | - | - | - | - | - | - | - | - | - | - |
| Carneros Lower (Ranch 81) | 1/8/26 | 57.8 2.6 | 1408 | 40.3 3.0 | 0809 | 31.3 6.7 | 90 10 | 26 26 | 4.5 | 17.6 3.9 | 1546 | N | 354 | 0.00 | 12.79 | 0.070 0.031 | 162 16 | - |
| Carneros (Milton Rd) | 1/8/26 | 60.7 1.1 | 1342 | 35.1 7.7 | 0718 | 30.5 14.7 | 89 7 | 22 33 | - | - | - | - | 0.00 | 5.74 | - | - | - |
| Max | 61.6 | - | 41.9 | - | 34.7 | 100 | 31 | 9.5 | 28.5 | - | - | 0.02 | 22.87 | 0.089 | 296 | - | |
| Avg | - | - | - | - | 30.1 | - | - | 4.8 | - | - | - | - | - | - | - | - | |
| Min | 50.2 | - | 0.0 | - | 27.0 | 80 | 5 | 1.9 | 11.5 | - | - | 0.00 | 1.65 | 0.036 | 129 | - |