| 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 | 1/19/26 | 70.0 0.5 | 1555 | 40.7 0.1 | 0437 | - | - | - | - | - | - | - | 0.00 | 34.57 | - | - | - |
| Pope Valley (Weeks Lake) | 1/19/26 | 75.3 2.1 | 1352 | 27.0 1.5 | 0646 | 34.5 1.4 | 100 0 | 22 5 | 0.7 | 9.2 4.4 | 1433 | SE | 129 | 0.00 | 16.94 | 0.060 0.005 | 251 11 | 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 | 1/19/26 | 73.7 1.0 | 1324 | 33.1 1.2 | 0632 | 39.8 0.1 | 100 2 | 30 4 | 1.8 | 10.9 2.1 | 1528 | ESE | 104 | 0.00 | 14.79 | 0.074 0.006 | 273 8 | - |
| Dollarhide 1AS Remote | 1/19/26 | 74.2 0.5 | 1323 | 27.2 0.9 | 0710 | 35.0 1.1 | 96 0 | 30 2 | 0.8 | 8.4 2.7 | 1346 | ESE | 108 | - | - | - | - | - |
| Dollarhide 17B Remote | 1/19/26 | 73.7 0.9 | 1417 | 29.4 1.7 | 0740 | 38.1 0.9 | 100 0 | 29 3 | - | - | - | - | - | - | - | - | - |
| Dollarhide 18A Remote | 1/19/26 | 71.8 2.0 | 1305 | 26.0 1.2 | 0722 | 34.5 1.2 | 100 0 | 29 1 | - | - | - | - | - | - | - | - | - |
| Angwin | 1/19/26 | 64.9 0.8 | 1515 | 52.5 0.3 | 0609 | 26.6 0.5 | 44 10 | 22 2 | 6.4 | 18.8 4.4 | 0831 | NNW | 336 | 0.00 | 32.03 | 0.088 0.002 | 0 0 | 0 0 |
| Lower Angwin (Pioneer) | 1/19/26 | 68.3 0.6 | 1424 | 39.0 3.2 | 2116 | - | - | - | 2.7 | 13.4 4.1 | 1054 | NNW | 343 | - | - | - | - | - |
| Deer Park | 1/19/26 | 69.6 4.3 | 1346 | 46.6 1.0 | 2357 | 41.4 4.9 | 83 7 | 36 13 | 1.8 | 8.9 0.9 | 1438 | S | 180 | 0.00 | 18.50 | 0.055 0.016 | 195 9 | - |
| Lower Chiles Valley (Brown) | 1/19/26 | 73.6 0.5 | 1405 | 31.1 2.2 | 0612 | 36.6 0.1 | 100 0 | 22 2 | 1.5 | 12.0 3.2 | 1417 | ENE | 74 | 0.00 | 14.38 | 0.078 0.009 | 260 9 | 0 0 |
| Moss Creek Vineyard/Reservior | 1/19/26 | 73.5 5.9 | 1504 | 33.1 2.8 | 0744 | 38.7 0.4 | 100 0 | 21 8 | - | - | - | - | 0.00 | 19.00 | - | - | - |
| Max | 75.3 | - | 52.5 | - | 41.4 | 100 | 36 | 6.4 | 18.8 | - | - | 0.00 | 34.57 | 0.088 | 273 | - | |
| Avg | - | - | - | - | 36.1 | - | - | 2.2 | - | - | - | - | - | - | - | - | |
| Min | 64.9 | - | 26.0 | - | 26.6 | 44 | 21 | 0.7 | 8.4 | - | - | 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 | 1/19/26 | 72.0 2.6 | 1346 | 34.4 1.2 | 0717 | 42.7 0.7 | 100 1 | 36 7 | - | - | - | - | 0.00 | 22.64 | - | - | - |
| Fotsch (Maple Lane) | 1/19/26 | 69.6 5.3 | 1354 | 31.8 1.1 | 0655 | 40.2 0.6 | 98 0 | 37 16 | 1.6 | 10.0 0.9 | 1440 | ESE | 122 | 0.00 | 20.61 | - | - | - |
| Diamond Mtn (Schramsberg) | 1/19/26 | 69.4 1.6 | 1324 | 49.2 0.1 | 2322 | 40.9 7.0 | 76 6 | 39 18 | - | - | - | - | 0.00 | 20.76 | - | - | - |
| Diamond Mtn (McEachran) | 1/19/26 | 70.5 3.0 | 1425 | 45.2 1.1 | 0726 | 41.1 3.2 | 87 14 | 37 15 | - | - | - | - | - | - | - | - | - |
| St. Helena-North | 1/19/26 | 67.6 5.9 | 1402 | 35.6 0.6 | 0728 | 41.2 0.9 | 99 0 | 36 7 | 2.0 | 9.4 1.8 | 1442 | SE | 138 | 0.00 | 20.73 | 0.055 0.002 | 207 10 | - |
| St. Helena (NVV Office) | 1/19/26 | 66.3 4.5 | 1502 | 34.8 1.4 | 0719 | - | - | - | 1.0 | 6.0 0.1 | 1433 | SE | 140 | 0.00 | 18.18 | - | - | - |
| Tiara Fria (East St. Helena) | 1/19/26 | 64.5 4.9 | 1410 | 33.8 1.8 | 0725 | 40.6 0.7 | 97 0 | 50 13 | 1.4 | 8.6 1.7 | 1358 | ESE | 109 | 0.00 | 16.72 | - | - | - |
| Rutherford Hill Estate | 1/19/26 | 66.5 6.0 | 1357 | 45.2 3.3 | 0504 | 43.2 1.7 | 89 1 | 44 9 | 1.3 | 7.9 1.3 | 1422 | SSW | 205 | 0.00 | 17.00 | 0.053 0.000 | 226 14 | 0 0 |
| Rutherford-North (Mee Ln) | 1/19/26 | 64.8 4.7 | 1406 | 29.6 2.7 | 0411 | 38.9 1.4 | 100 0 | 50 10 | 2.0 | 11.2 2.2 | 1409 | SE | 138 | 0.00 | 15.31 | 0.055 0.001 | 231 19 | 0 0 |
| Rutherford (STS) | 1/19/26 | 66.4 5.4 | 1505 | 33.9 1.2 | 0338 | 41.1 1.5 | 91 1 | 56 9 | 1.7 | 9.4 2.3 | 1400 | ESE | 123 | 0.00 | 0.00 | 0.064 0.001 | 276 23 | - |
| Oakville-NE (Ranch 88) | 1/19/26 | 64.3 5.7 | 1347 | 30.3 1.1 | 0622 | 37.5 1.1 | 97 0 | 47 10 | 0.8 | 11.8 3.6 | 1410 | S | 187 | 0.00 | 16.02 | 0.062 0.007 | 272 27 | 0 0 |
| OV561-East | 1/19/26 | 67.0 7.3 | 1517 | 32.3 1.5 | 0517 | - | - | - | - | - | - | - | - | - | - | - | - |
| Oakville | 1/19/26 | 62.9 5.7 | 1331 | 32.4 1.0 | 0649 | 39.6 0.7 | 98 1 | 49 11 | 1.9 | 13.7 4.0 | 1359 | SE | 144 | 0.00 | 16.58 | 0.061 0.000 | 263 23 | - |
| OV518-West | 1/19/26 | 63.9 4.9 | 1334 | 33.1 0.6 | 0655 | - | - | - | - | - | - | - | - | - | - | - | - |
| To Kalon Remote (TKKE) | 1/19/26 | 65.8 4.9 | 1514 | 32.1 2.6 | 0517 | - | - | - | - | - | - | - | - | - | - | - | - |
| To Kalon | 1/19/26 | 64.1 5.5 | 1401 | 33.3 0.9 | 0638 | 41.2 0.3 | 100 1 | 53 9 | 1.5 | 11.6 3.2 | 1406 | SSE | 163 | 0.00 | 17.71 | 0.057 0.000 | 248 20 | - |
| To Kalon Remote (TKN5) | 1/19/26 | 65.0 5.3 | 1407 | 32.0 1.3 | 0544 | - | - | - | - | - | - | - | - | - | - | - | - |
| Yountville (Ranch 67) | 1/19/26 | 62.4 6.4 | 1315 | 32.7 0.7 | 0552 | 38.9 0.6 | 98 1 | 49 12 | 1.9 | 13.0 3.9 | 1357 | SSE | 167 | 0.00 | 15.15 | 0.065 0.002 | 347 23 | - |
| Stags Leap Dist (Silverado Vineyards) | 1/19/26 | 62.0 7.6 | 1319 | 33.6 1.1 | 0358 | 39.7 0.5 | 100 2 | 48 13 | 1.6 | 13.2 0.8 | 1353 | SSE | 155 | 0.00 | 18.44 | 0.066 0.007 | 262 21 | - |
| Borreo (Soda Canyon) | 1/19/26 | 63.0 6.1 | 1548 | 37.6 0.7 | 0713 | 40.1 0.1 | 96 0 | 46 15 | 1.8 | 6.8 0.6 | 1402 | S | 172 | 0.00 | 18.80 | 0.061 0.002 | 275 28 | - |
| Wappo Hill Floor | 1/19/26 | 63.4 7.3 | 1451 | 30.9 1.0 | 0739 | 39.8 0.9 | 100 0 | 50 17 | 1.6 | 10.4 1.6 | 1410 | SSE | 161 | 0.00 | 18.22 | 0.061 0.003 | 265 24 | - |
| Stags Leap Dist (Chimney Rock) | 1/19/26 | 65.4 4.8 | 1515 | 32.0 1.4 | 0502 | - | - | - | 1.8 | 9.4 0.2 | 1359 | SSE | 154 | 0.00 | 16.24 | 0.053 0.000 | 227 20 | 0 0 |
| Yountville-South (Ranch 87) | 1/18/26 | 70.3 1.0 | 1425 | 32.4 2.3 | 0721 | 41.7 0.6 | 100 0 | 41 2 | 1.1 | 8.2 0.1 | 1526 | S | 186 | 0.00 | 18.26 | 0.057 0.003 | 237 9 | - |
| Yountville-SE (Ranch 85) | 1/19/26 | 63.4 7.4 | 1533 | 33.1 0.1 | 0737 | 40.6 0.9 | 100 0 | 51 16 | 1.4 | 9.8 2.2 | 1345 | SSE | 168 | 0.00 | 17.18 | - | 0 0 | 0 0 |
| Oak Knoll-East (Ranch 53) | 1/19/26 | 63.2 6.4 | 1531 | 33.1 0.2 | 0536 | 40.2 0.9 | 98 0 | 51 14 | 1.3 | 8.1 0.8 | 1327 | SSE | 153 | 0.00 | 16.09 | 0.056 0.004 | 242 30 | - |
| Napa-NW (Ranch 54) | 1/19/26 | 62.4 4.5 | 1501 | 34.6 0.2 | 0727 | 41.7 0.3 | 100 0 | 53 7 | 1.4 | 10.5 2.5 | 1330 | ESE | 122 | 0.00 | 17.24 | - | 0 0 | 0 0 |
| Napa-North (Ranch 29) | 1/19/26 | 62.7 6.8 | 1528 | 33.4 2.1 | 0729 | 40.5 2.2 | 100 0 | 48 12 | 1.2 | 8.6 0.5 | 1322 | S | 191 | 0.00 | 15.78 | 0.040 0.003 | 154 20 | - |
| Max | 72.0 | - | 49.2 | - | 43.2 | 100 | 56 | 2.0 | 13.7 | - | - | 0.00 | 22.64 | 0.066 | 347 | - | |
| Avg | - | - | - | - | 40.5 | - | - | 1.5 | - | - | - | - | - | - | - | - | |
| Min | 62.0 | - | 29.6 | - | 37.5 | 76 | 36 | 0.8 | 6.0 | - | - | 0.00 | 0.00 | 0.040 | 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 | 1/19/26 | 67.0 0.0 | 1218 | 54.2 0.9 | 2108 | 33.3 2.4 | 69 8 | 23 0 | 1.6 | 9.8 2.0 | 1308 | NNW | 330 | 0.00 | 22.87 | 0.062 0.001 | 157 14 | 0 0 |
| Mount George (Napa East) | 1/19/26 | 79.6 2.3 | 1524 | 36.6 6.9 | 2357 | 56.0 5.1 | 100 0 | 55 16 | 0.9 | 6.1 0.5 | 1308 | WSW | 246 | 0.00 | 7.16 | 0.078 0.013 | 293 22 | - |
| Napa-East (Palmaz 300') | 1/19/26 | 66.8 5.0 | 1511 | 37.1 1.6 | 0708 | 41.6 2.2 | 100 0 | 43 11 | 1.3 | 7.2 0.4 | 1747 | ENE | 59 | 0.00 | 14.03 | 0.054 0.005 | 234 32 | - |
| Napa-East (Palmaz 1200') | 1/19/26 | 67.0 2.0 | 1150 | 41.3 3.7 | 2059 | 38.3 2.5 | 91 11 | 25 4 | 3.1 | 11.8 1.2 | 1112 | ENE | 71 | - | - | 0.066 0.016 | 250 29 | - |
| Napa-East (Palmaz 1400') | 1/19/26 | 68.2 1.3 | 1340 | 41.8 2.9 | 2234 | 37.2 1.1 | 88 7 | 26 6 | 2.8 | 17.2 5.2 | 1106 | NNW | 333 | 0.00 | 19.50 | 0.076 0.012 | 267 32 | - |
| 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) | 1/19/26 | 61.8 4.5 | 1425 | 41.0 1.3 | 0653 | - | - | - | 1.8 | 10.1 0.5 | 2341 | NNE | 12 | 0.00 | 15.55 | 0.059 0.002 | 266 33 | 0 0 |
| Napa-West Lower (Truchard) | 1/19/26 | 61.9 5.8 | 1429 | 31.0 0.6 | 0706 | 38.7 2.3 | 100 0 | 56 6 | - | - | - | - | - | - | - | - | 0 0 |
| Napa-South (Toyon Farms) | 1/19/26 | 62.0 5.0 | 1351 | 38.0 2.8 | 0808 | 44.3 2.4 | 100 0 | 60 4 | 1.3 | 8.8 1.5 | 1329 | SSE | 164 | 0.00 | 9.78 | 0.032 0.005 | 139 11 | 0 0 |
| Toyon Remote 1 | 1/19/26 | 60.0 7.9 | 1333 | 33.3 1.7 | 0644 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 2 | 1/19/26 | 59.6 7.7 | 1513 | 32.0 1.6 | 0700 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 3 | 1/19/26 | 60.8 7.1 | 1330 | 32.3 1.6 | 0622 | - | - | - | - | - | - | - | - | - | - | - | - |
| Dealy Lane (Ranch 80) | 1/19/26 | 61.7 4.3 | 1359 | 34.8 5.0 | 0725 | 42.0 2.0 | 97 2 | 53 3 | 1.8 | 8.5 1.8 | 1340 | SSE | 154 | 0.00 | 14.80 | 0.059 0.003 | 270 28 | - |
| Carneros (Saintsbury) | 1/19/26 | 60.2 8.3 | 1354 | 33.8 2.6 | 0754 | 41.2 2.5 | 100 0 | 55 10 | 1.7 | 7.8 0.9 | 1319 | SE | 135 | 0.00 | 1.65 | - | - | 0 0 |
| Suscol Lower (Ranch 35) | 1/19/26 | 62.6 4.9 | 1442 | 36.2 0.9 | 0629 | 41.6 1.8 | - | - | 2.5 | 10.1 3.4 | 1240 | S | 181 | 0.00 | 14.19 | 0.056 0.003 | 257 32 | - |
| Suscol Mtn (Ranch 93) | 1/19/26 | 64.6 0.5 | 1436 | 50.2 1.2 | 0837 | 39.9 0.2 | 74 0 | 37 13 | 1.7 | 8.3 5.6 | 1525 | WNW | 290 | 0.00 | 9.83 | - | - | - |
| Suscol Upper (Ranch 92) | 1/19/26 | 66.3 0.4 | 1434 | 49.6 0.4 | 0711 | 40.9 0.7 | 73 7 | 35 1 | 0.0 | 2.7 8.4 | 0247 | S | 173 | 0.00 | 13.66 | - | - | 0 0 |
| Stanly (Ranch 45) | 1/19/26 | 58.3 8.8 | 1451 | 34.9 1.0 | 0656 | 40.8 2.0 | 100 2 | 58 14 | 3.4 | 11.9 4.7 | 1328 | SE | 126 | 0.00 | 15.30 | 0.064 0.002 | 302 39 | 0 0 |
| Carneros Upper (Ranch 81) | 1/19/26 | 62.0 2.0 | 1459 | 44.0 1.8 | 2338 | 44.4 1.5 | - | - | 2.8 | 8.4 0.4 | 1458 | ESE | 108 | - | - | - | - | - |
| Carneros (Mitsuko) | 1/19/26 | 62.2 4.7 | 1355 | 31.1 3.6 | 0543 | - | - | - | - | - | - | - | - | - | - | - | - |
| Carneros Lower (Ranch 81) | 1/19/26 | 62.1 4.9 | 1321 | 35.8 0.9 | 0648 | 17.0 12.9 | 100 0 | 0 0 | 1.3 | 6.6 0.1 | 1326 | SSE | 162 | 0.00 | 12.79 | 0.045 0.005 | 174 11 | - |
| Carneros (Milton Rd) | 1/19/26 | 62.2 4.5 | 1356 | 33.7 0.2 | 0653 | 40.0 2.2 | 96 0 | 52 5 | - | - | - | - | 0.00 | 5.74 | - | - | - |
| Max | 79.6 | - | 54.2 | - | 56.0 | 100 | 60 | 3.4 | 17.2 | - | - | 0.00 | 22.87 | 0.078 | 302 | - | |
| Avg | - | - | - | - | 39.8 | - | - | 1.9 | - | - | - | - | - | - | - | - | |
| Min | 58.3 | - | 31.0 | - | 17.0 | 69 | 0 | 0.0 | 2.7 | - | - | 0.00 | 1.65 | 0.032 | 139 | - |