| 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 | 1/26/26 | 59.2 5.4 | 1536 | 30.2 1.0 | 0429 | - | - | - | - | - | - | - | 0.00 | 34.57 | - | - | - |
| Pope Valley (Weeks Lake) | 1/26/26 | 61.4 5.1 | 1414 | 25.3 2.1 | 0710 | 32.1 3.4 | 100 0 | 34 6 | 1.0 | 10.5 4.2 | 1443 | ESE | 108 | 0.00 | 16.94 | 0.061 0.025 | 266 123 | 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 | 1/26/26 | 61.0 6.0 | 1231 | 28.7 1.2 | 0701 | 36.9 3.9 | 100 1 | 44 6 | 2.8 | 13.2 1.9 | 1455 | NE | 50 | 0.00 | 14.79 | 0.073 0.032 | 293 137 | - |
| Dollarhide 1AS Remote | 1/26/26 | 63.3 8.4 | 1346 | 27.8 5.4 | 0136 | 33.7 2.9 | 96 0 | 42 4 | 1.2 | 10.8 5.0 | 1607 | NE | 36 | - | - | - | - | - |
| Dollarhide 17B Remote | 1/26/26 | 62.9 7.7 | 1304 | 27.2 0.6 | 0651 | 35.3 3.0 | 100 1 | 40 3 | - | - | - | - | - | - | - | - | - |
| Dollarhide 18A Remote | 1/26/26 | 62.8 8.3 | 1538 | 26.3 5.4 | 0623 | 33.3 3.1 | 100 0 | 43 4 | - | - | - | - | - | - | - | - | - |
| Angwin | 1/26/26 | 55.0 5.9 | 1437 | 40.0 2.1 | 0033 | 27.2 6.8 | 64 24 | 31 13 | 3.9 | 12.2 5.7 | 0927 | NW | 313 | 0.00 | 32.03 | 0.038 0.023 | 0 0 | 0 0 |
| Lower Angwin (Pioneer) | 1/26/26 | 57.9 6.3 | 1458 | 35.2 1.2 | 2130 | - | - | - | 2.7 | 10.5 2.0 | 1024 | NNE | 20 | - | - | - | - | - |
| Deer Park | 1/26/26 | 62.8 5.4 | 1421 | 41.6 1.3 | 0704 | 34.7 6.4 | 76 7 | 35 21 | 2.8 | 10.6 5.3 | 1206 | SSE | 154 | 0.00 | 18.50 | 0.066 0.011 | 203 91 | - |
| Lower Chiles Valley (Brown) | 1/26/26 | 61.3 7.5 | 1541 | 31.4 0.2 | 0112 | 35.7 5.7 | 100 4 | 39 16 | 3.2 | 12.8 1.6 | 1158 | ENE | 63 | 0.00 | 14.39 | 0.072 0.026 | 291 144 | 0 0 |
| Moss Creek Vineyard/Reservior | 1/26/26 | 64.5 11.3 | 1532 | 32.8 1.8 | 0823 | 36.8 2.7 | 100 0 | 36 0 | - | - | - | - | 0.00 | 19.00 | - | - | - |
| Max | 64.5 | - | 41.6 | - | 36.9 | 100 | 44 | 3.9 | 13.2 | - | - | 0.00 | 34.57 | 0.073 | 293 | - | |
| Avg | - | - | - | - | 34.0 | - | - | 2.5 | - | - | - | - | - | - | - | - | |
| Min | 55.0 | - | 25.3 | - | 27.2 | 64 | 31 | 1.0 | 10.5 | - | - | 0.00 | 14.39 | 0.038 | 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 | 1/26/26 | 65.7 9.2 | 1334 | 29.4 5.5 | 0756 | 36.2 2.6 | 100 3 | 37 8 | - | - | - | - | 0.00 | 22.65 | - | - | - |
| Fotsch (Maple Lane) | 1/26/26 | 64.2 9.8 | 1409 | 29.0 5.6 | 0746 | 34.8 1.0 | 97 3 | 32 4 | 1.8 | 11.5 1.7 | 1148 | SE | 138 | 0.00 | 20.61 | - | - | - |
| Diamond Mtn (Schramsberg) | 1/26/26 | 58.7 0.1 | 1351 | 42.1 2.6 | 0109 | 32.8 7.9 | 75 4 | 37 26 | - | - | - | - | 0.00 | 20.76 | - | - | - |
| Diamond Mtn (McEachran) | 1/26/26 | 61.4 1.3 | 1324 | 37.0 2.6 | 0801 | 35.5 4.7 | 87 3 | 35 23 | - | - | - | - | - | - | - | - | - |
| St. Helena-North | 1/26/26 | 63.8 9.9 | 1343 | 31.3 6.0 | 0732 | 34.2 0.5 | 98 9 | 32 5 | 2.0 | 11.4 0.9 | 1216 | S | 169 | 0.00 | 20.73 | 0.060 0.023 | 212 98 | - |
| St. Helena (NVV Office) | 1/26/26 | 63.9 8.3 | 1310 | 31.5 2.9 | 0750 | - | - | - | 0.8 | 7.7 0.4 | 1418 | S | 180 | 0.00 | 18.18 | - | - | - |
| Tiara Fria (East St. Helena) | 1/26/26 | 62.6 8.1 | 1545 | 31.5 0.6 | 0722 | 36.3 1.8 | 97 1 | 37 12 | 1.4 | 8.8 1.3 | 1418 | ESE | 122 | 0.00 | 16.72 | - | - | - |
| Rutherford Hill Estate | 1/26/26 | 64.3 8.9 | 1624 | 40.7 0.3 | 0728 | 37.8 5.5 | 82 1 | 38 21 | 1.5 | 9.9 3.3 | 1350 | S | 186 | 0.00 | 17.00 | 0.058 0.026 | 244 107 | 0 0 |
| Rutherford-North (Mee Ln) | 1/26/26 | 65.1 9.5 | 1641 | 29.9 0.4 | 0803 | 35.7 1.3 | 99 0 | 36 17 | 2.0 | 9.9 0.0 | 1431 | SE | 124 | 0.00 | 15.32 | 0.060 0.023 | 244 98 | 0 0 |
| Rutherford (STS) | 1/26/26 | 64.4 7.4 | 1248 | 33.5 3.6 | 0702 | 38.0 1.8 | 92 0 | 38 21 | 2.0 | 10.7 2.5 | 1353 | SE | 131 | 0.00 | 16.02 | 0.067 0.028 | 279 105 | - |
| Oakville-NE (Ranch 88) | 1/26/26 | 62.8 7.1 | 1533 | 30.8 1.6 | 0737 | 35.1 1.5 | 96 2 | 37 3 | 0.9 | 7.9 0.9 | 1308 | S | 177 | 0.00 | 16.03 | 0.064 0.025 | 279 112 | 0 0 |
| OV561-East | 1/26/26 | 66.3 9.4 | 1448 | 34.2 2.8 | 0707 | - | - | - | - | - | - | - | - | - | - | - | - |
| Oakville | 1/26/26 | 62.0 7.5 | 1354 | 33.1 2.2 | 0753 | 36.5 1.7 | 97 0 | 40 2 | 1.6 | 10.4 0.2 | 1334 | SSE | 147 | 0.00 | 16.58 | 0.063 0.021 | 269 91 | - |
| OV518-West | 1/26/26 | 61.8 6.8 | 1445 | 33.8 2.4 | 0740 | - | - | - | - | - | - | - | - | - | - | - | - |
| To Kalon Remote (TKKE) | 1/26/26 | 63.3 7.5 | 1538 | 34.6 4.5 | 2357 | - | - | - | - | - | - | - | - | - | - | - | - |
| To Kalon | 1/26/26 | 62.2 6.9 | 1530 | 35.1 4.1 | 0054 | 37.3 2.3 | 98 0 | 40 11 | 1.7 | 9.7 0.5 | 1438 | SE | 146 | 0.00 | 17.71 | 0.062 0.024 | 252 97 | - |
| To Kalon Remote (TKN5) | 1/26/26 | 64.2 7.9 | 1518 | 33.6 3.2 | 0741 | - | - | - | - | - | - | - | - | - | - | - | - |
| Yountville (Ranch 67) | 1/26/26 | 61.4 7.2 | 1451 | 31.7 1.1 | 0734 | 36.0 1.5 | 97 0 | 38 6 | 1.6 | 11.8 1.2 | 1359 | SSE | 165 | 0.00 | 15.16 | 0.063 0.017 | 343 68 | - |
| Stags Leap Dist (Silverado Vineyards) | 1/26/26 | 61.5 7.3 | 1517 | 32.5 1.4 | 0756 | 36.3 1.8 | 96 1 | 38 3 | 1.1 | 9.5 1.1 | 1353 | SSE | 164 | 0.00 | 18.44 | 0.065 0.023 | 272 83 | - |
| Borreo (Soda Canyon) | 1/26/26 | 60.8 2.3 | 1509 | 33.8 0.6 | 0722 | 36.3 3.4 | 94 2 | 42 29 | 1.7 | 6.4 9.3 | 1443 | S | 180 | 0.00 | 18.80 | 0.061 0.020 | 278 82 | - |
| Wappo Hill Floor | 1/26/26 | 64.0 9.0 | 1320 | 32.0 0.4 | 0748 | 37.5 1.4 | 100 0 | 39 8 | 1.1 | 7.7 2.1 | 1428 | S | 171 | 0.00 | 18.22 | 0.063 0.022 | 268 92 | - |
| Stags Leap Dist (Chimney Rock) | 1/26/26 | 63.6 8.5 | 1549 | 32.2 1.6 | 0726 | - | - | - | 1.4 | 9.2 2.4 | 1431 | SSW | 200 | 0.00 | 16.24 | 0.056 0.019 | 234 76 | 0 0 |
| Yountville-South (Ranch 87) | 1/26/26 | 64.1 9.1 | 1546 | 31.8 0.8 | 0726 | 38.0 1.5 | 100 0 | 42 11 | 1.1 | 8.4 1.3 | 1402 | S | 172 | 0.00 | 18.26 | 0.060 0.021 | 263 100 | - |
| Yountville-SE (Ranch 85) | 1/26/26 | 63.8 8.8 | 1504 | 33.5 1.7 | 0722 | 37.8 1.4 | 100 3 | 42 1 | 0.9 | 7.9 1.0 | 1356 | SSE | 154 | 0.00 | 17.18 | - | 0 0 | 0 0 |
| Oak Knoll-East (Ranch 53) | 1/26/26 | 64.5 9.8 | 1546 | 33.3 2.2 | 0714 | 37.3 0.5 | 96 2 | 38 14 | 1.0 | 8.0 1.1 | 1326 | SSE | 148 | 0.00 | 16.09 | 0.059 0.019 | 260 97 | - |
| Napa-NW (Ranch 54) | 1/26/26 | 63.9 9.5 | 1506 | 34.8 2.4 | 0743 | 37.6 0.9 | 100 9 | 40 2 | 1.3 | 8.3 2.1 | 1337 | S | 176 | 0.00 | 17.24 | - | 0 0 | 0 0 |
| Napa-North (Ranch 29) | 1/26/26 | 63.6 8.8 | 1522 | 35.2 4.0 | 0754 | 38.9 1.7 | 100 0 | 39 16 | 0.8 | 10.0 0.3 | 1314 | SSE | 150 | 0.00 | 15.78 | 0.041 0.014 | 164 68 | - |
| Max | 66.3 | - | 42.1 | - | 38.9 | 100 | 42 | 2.0 | 11.8 | - | - | 0.00 | 22.65 | 0.067 | 343 | - | |
| Avg | - | - | - | - | 36.5 | - | - | 1.4 | - | - | - | - | - | - | - | - | |
| Min | 58.7 | - | 29.0 | - | 32.8 | 75 | 32 | 0.8 | 6.4 | - | - | 0.00 | 15.16 | 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 | 1/26/26 | 56.0 3.3 | 1106 | 42.2 0.1 | 0155 | 33.4 5.7 | 68 18 | 40 19 | 1.7 | 9.1 3.1 | 1300 | SSW | 200 | 0.00 | 22.87 | 0.052 0.005 | 214 38 | 0 0 |
| Mount George (Napa East) | 1/26/26 | 65.0 8.7 | 1312 | 34.9 3.3 | 0716 | 40.1 3.5 | 99 3 | 41 11 | 1.2 | 11.3 2.3 | 1752 | NE | 49 | 0.00 | 7.16 | 0.066 0.021 | 285 91 | - |
| Napa-East (Palmaz 300') | 1/26/26 | 65.3 9.6 | 1459 | 35.9 0.1 | 0712 | 38.6 2.6 | 100 5 | 37 9 | 1.3 | 10.7 1.7 | 1433 | SE | 124 | 0.00 | 14.03 | 0.058 0.018 | 248 84 | - |
| Napa-East (Palmaz 1200') | 1/26/26 | 58.6 3.8 | 1345 | 39.2 0.4 | 0022 | 36.2 2.7 | 93 7 | 42 26 | 3.5 | 14.0 7.3 | 1126 | E | 82 | - | - | 0.068 0.023 | 261 81 | - |
| Napa-East (Palmaz 1400') | 1/26/26 | 59.4 6.2 | 1353 | 39.9 0.1 | 2016 | 36.5 2.6 | 90 2 | 45 26 | 4.8 | 13.2 9.3 | 1400 | NE | 38 | 0.00 | 19.50 | 0.067 0.019 | 258 83 | - |
| 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) | 1/26/26 | 64.5 11.1 | 1506 | 39.2 0.9 | 0636 | - | - | - | 1.6 | 10.2 0.4 | 0137 | NNE | 23 | 0.00 | 15.55 | 0.065 0.026 | 281 110 | 0 0 |
| Napa-West Lower (Truchard) | 1/26/26 | 66.5 12.2 | 1451 | 31.0 2.5 | 0704 | 37.3 0.5 | 100 0 | 40 23 | - | - | - | - | - | - | - | - | 0 0 |
| Napa-South (Toyon Farms) | 1/26/26 | 65.7 10.3 | 1450 | 38.1 0.9 | 0646 | 41.8 1.0 | 97 1 | 46 15 | 1.1 | 8.8 1.0 | 1504 | SSE | 162 | 0.00 | 9.78 | 0.034 0.016 | 140 60 | 0 0 |
| Toyon Remote 1 | 1/26/26 | 63.1 8.6 | 1334 | 33.8 3.3 | 0705 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 2 | 1/26/26 | 63.2 8.4 | 1425 | 32.6 0.7 | 0700 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 3 | 1/26/26 | 63.4 8.7 | 1425 | 33.9 2.9 | 0652 | - | - | - | - | - | - | - | - | - | - | - | - |
| Dealy Lane (Ranch 80) | 1/26/26 | 60.6 7.5 | 1318 | 34.8 1.4 | 0642 | 39.4 1.0 | 96 0 | 46 20 | 2.0 | 10.6 1.1 | 1419 | SE | 141 | 0.00 | 14.80 | 0.064 0.027 | 284 114 | - |
| Carneros (Saintsbury) | 1/26/26 | 61.0 7.9 | 1247 | 35.5 0.6 | 0700 | 39.6 0.9 | 100 0 | 46 20 | 1.8 | 12.3 0.1 | 1502 | SE | 138 | 0.00 | 1.65 | - | - | 0 0 |
| Suscol Lower (Ranch 35) | 1/26/26 | 62.0 9.9 | 1256 | 35.5 1.3 | 0658 | 38.9 1.0 | - | - | 2.6 | 12.5 5.7 | 1407 | E | 98 | 0.00 | 14.19 | 0.065 0.023 | 263 102 | - |
| Suscol Mtn (Ranch 93) | 1/26/26 | 57.0 1.3 | 1404 | 41.1 0.9 | 0723 | 38.4 1.3 | 83 15 | 48 33 | 9.4 | 28.4 4.2 | 2046 | ESE | 104 | 0.00 | 9.84 | - | - | - |
| Suscol Upper (Ranch 92) | 1/26/26 | 60.6 8.0 | 1400 | 41.9 0.7 | 0752 | 39.1 0.5 | 83 17 | 45 24 | 2.4 | 16.9 5.1 | 2102 | NE | 48 | 0.00 | 13.66 | - | - | 0 0 |
| Stanly (Ranch 45) | 1/26/26 | 61.6 8.4 | 1230 | 35.5 1.9 | 0720 | 38.9 0.0 | 97 0 | 45 19 | 3.1 | 15.6 0.6 | 1258 | SE | 142 | 0.00 | 15.30 | 0.076 0.033 | 307 136 | 0 0 |
| Carneros Upper (Ranch 81) | 1/26/26 | 61.1 9.0 | 1347 | 39.8 0.6 | 0746 | 39.2 0.1 | - | - | 3.4 | 14.8 4.1 | 1458 | ESE | 113 | - | - | - | - | - |
| Carneros (Mitsuko) | 1/26/26 | 60.9 8.3 | 1345 | 31.8 0.1 | 0651 | - | - | - | - | - | - | - | - | - | - | - | - |
| Carneros Lower (Ranch 81) | 1/26/26 | 60.4 8.4 | 1427 | 35.0 2.1 | 0659 | 37.9 4.6 | 100 0 | 0 0 | 1.6 | 11.5 0.2 | 1355 | SSE | 160 | 0.00 | 12.79 | 0.047 0.017 | 177 58 | - |
| Carneros (Milton Rd) | 1/26/26 | 59.7 8.0 | 1425 | 35.0 0.8 | 0656 | 39.4 0.4 | 95 2 | 52 11 | - | - | - | - | 0.00 | 5.74 | - | - | - |
| Max | 66.5 | - | 42.2 | - | 41.8 | 100 | 52 | 9.4 | 28.4 | - | - | 0.00 | 22.87 | 0.076 | 307 | - | |
| Avg | - | - | - | - | 38.4 | - | - | 2.8 | - | - | - | - | - | - | - | - | |
| Min | 56.0 | - | 31.0 | - | 33.4 | 68 | 0 | 1.1 | 8.8 | - | - | 0.00 | 1.65 | 0.034 | 140 | - |