| 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 | 1/29/26 | 66.5 8.1 | 1452 | 35.2 1.8 | 0556 | - | - | - | - | - | - | - | 0.00 | 34.87 | - | - | - |
| Pope Valley (Weeks Lake) | 1/29/26 | 71.0 4.5 | 1444 | 30.8 2.3 | 0724 | 37.3 7.0 | 100 0 | 29 8 | 0.8 | 7.5 3.9 | 1627 | ESE | 110 | 0.00 | 17.00 | 0.061 0.005 | 257 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 | 1/29/26 | 68.9 5.1 | 1357 | 32.1 8.0 | 0652 | 42.0 6.0 | 100 0 | 46 5 | 2.2 | 9.9 2.6 | 1621 | NE | 49 | 0.00 | 14.84 | 0.070 0.012 | 286 42 | - |
| Dollarhide 1AS Remote | 1/29/26 | 71.0 5.9 | 1436 | 31.1 2.0 | 0619 | 38.3 6.7 | 96 0 | 41 8 | 0.9 | 11.5 1.9 | 1859 | NW | 318 | - | - | - | - | - |
| Dollarhide 17B Remote | 1/29/26 | 71.0 5.3 | 1454 | 31.9 4.6 | 0715 | - | 100 0 | 43 5 | - | - | - | - | - | - | - | - | - |
| Dollarhide 18A Remote | 1/29/26 | 70.6 4.7 | 1458 | 30.6 1.3 | 0626 | 38.3 7.1 | 100 0 | 39 7 | - | - | - | - | - | - | - | - | - |
| Angwin | 1/29/26 | 61.5 7.9 | 1600 | 44.3 1.3 | 0424 | 35.8 6.9 | 77 23 | 22 32 | 5.0 | 11.3 7.0 | 0926 | N | 350 | 0.00 | 32.20 | 0.041 0.026 | 0 0 | 0 0 |
| Lower Angwin (Pioneer) | 1/29/26 | 64.3 6.9 | 1607 | 37.6 1.1 | 0058 | - | - | - | 2.4 | 9.8 3.9 | 1132 | NNE | 26 | - | - | - | - | - |
| Deer Park | 1/29/26 | 71.1 5.1 | 1539 | 43.0 5.6 | 0614 | 43.0 3.5 | 90 10 | 28 15 | 2.2 | 9.2 5.3 | 1704 | SE | 136 | 0.00 | 18.58 | 0.060 0.009 | 201 12 | - |
| Lower Chiles Valley (Brown) | 1/29/26 | 68.8 4.9 | 1532 | 32.3 0.9 | 0725 | 38.6 6.2 | 100 0 | 37 12 | 1.1 | 9.3 2.0 | 1055 | ENE | 60 | 0.00 | 14.48 | 0.070 0.006 | 283 25 | 0 0 |
| Moss Creek Vineyard/Reservior | 1/28/26 | 62.0 1.9 | 1652 | 39.3 6.9 | 2345 | 45.9 5.2 | 100 0 | 50 13 | - | - | - | - | 0.02 | 19.07 | - | - | - |
| Max | 71.1 | - | 44.3 | - | 43.0 | 100 | 46 | 5.0 | 11.5 | - | - | 0.00 | 34.87 | 0.070 | 286 | - | |
| Avg | - | - | - | - | 39.0 | - | - | 2.1 | - | - | - | - | - | - | - | - | |
| Min | 61.5 | - | 30.6 | - | 35.8 | 77 | 22 | 0.8 | 7.5 | - | - | 0.00 | 14.48 | 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) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Calistoga-North | 1/29/26 | 69.5 3.3 | 1344 | 34.4 6.8 | 0723 | 42.8 5.9 | 100 0 | 38 14 | - | - | - | - | 0.00 | 22.78 | - | - | - |
| Fotsch (Maple Lane) | 1/29/26 | 71.1 3.5 | 1544 | 33.8 4.1 | 0710 | 41.0 5.2 | 98 0 | 34 4 | 1.5 | 8.4 0.7 | 1346 | W | 261 | 0.00 | 20.71 | - | - | - |
| Diamond Mtn (Schramsberg) | 1/29/26 | 66.1 4.3 | 1341 | 44.2 4.6 | 0538 | 43.9 3.0 | 89 11 | 46 3 | - | - | - | - | 0.00 | 20.87 | - | - | - |
| Diamond Mtn (McEachran) | 1/29/26 | 67.6 2.9 | 1423 | 42.0 4.2 | 0245 | 43.9 4.1 | 96 3 | 40 8 | - | - | - | - | - | - | - | - | - |
| St. Helena-North | 1/29/26 | 72.9 4.4 | 1453 | 35.4 5.0 | 0723 | 41.2 5.4 | 100 0 | 29 10 | 1.3 | 5.3 4.6 | 1435 | NW | 313 | 0.00 | 20.85 | 0.053 0.002 | 210 15 | - |
| St. Helena (NVV Office) | 1/29/26 | 73.9 5.5 | 1516 | 36.4 4.6 | 0452 | - | - | - | 0.9 | 7.0 0.6 | 0710 | WNW | 300 | 0.00 | 18.28 | - | - | - |
| Tiara Fria (East St. Helena) | 1/29/26 | 71.9 5.0 | 1517 | 36.0 3.7 | 0429 | 41.6 5.3 | 97 0 | 32 11 | 1.3 | 8.9 0.9 | 1533 | ESE | 110 | 0.00 | 16.83 | - | - | - |
| Rutherford Hill Estate | 1/29/26 | 72.4 2.9 | 1502 | 43.5 3.1 | 0637 | 44.7 3.8 | 91 9 | 31 9 | 1.3 | 7.9 2.2 | 1513 | SW | 215 | 0.00 | 17.09 | 0.061 0.003 | 243 2 | 0 0 |
| Rutherford-North (Mee Ln) | 1/29/26 | 73.4 4.7 | 1453 | 32.2 5.8 | 0449 | 40.2 4.4 | 100 0 | 29 14 | 1.9 | 11.2 1.1 | 1630 | SSE | 157 | 0.00 | 15.43 | 0.063 0.006 | 249 7 | 0 0 |
| Rutherford (STS) | 1/29/26 | 75.4 7.2 | 1455 | 36.5 3.6 | 0354 | 42.3 4.4 | 91 0 | 31 22 | 1.8 | 8.3 2.1 | 1507 | ESE | 102 | 0.00 | 16.15 | 0.071 0.003 | 289 14 | - |
| Oakville-NE (Ranch 88) | 1/29/26 | 71.8 4.7 | 1420 | 33.1 3.5 | 0429 | 40.1 5.8 | 97 0 | 29 13 | 1.1 | 8.9 5.0 | 1502 | S | 185 | 0.00 | 16.13 | 0.068 0.001 | 285 6 | 0 0 |
| OV561-East | 1/29/26 | 73.2 4.8 | 1434 | 35.1 4.8 | 0431 | - | - | - | - | - | - | - | - | - | - | - | - |
| Oakville | 1/29/26 | 72.1 6.4 | 1422 | 35.1 3.7 | 0404 | 41.9 5.2 | 98 0 | 30 17 | 1.9 | 11.2 1.5 | 1614 | SE | 133 | 0.00 | 16.67 | 0.070 0.004 | 282 7 | - |
| OV518-West | 1/29/26 | 70.1 5.4 | 1406 | 36.0 3.8 | 0523 | - | - | - | - | - | - | - | - | - | - | - | - |
| To Kalon Remote (TKKE) | 1/29/26 | 72.5 6.3 | 1439 | 34.4 2.5 | 0419 | - | - | - | - | - | - | - | - | - | - | - | - |
| To Kalon | 1/29/26 | 72.9 6.8 | 1432 | 36.2 2.7 | 0356 | 43.0 5.0 | 100 0 | 30 21 | 1.9 | 8.9 2.4 | 1605 | SE | 141 | 0.00 | 17.83 | 0.066 0.005 | 263 7 | - |
| To Kalon Remote (TKN5) | 1/29/26 | 72.7 6.3 | 1419 | 34.9 3.0 | 0404 | - | - | - | - | - | - | - | - | - | - | - | - |
| Yountville (Ranch 67) | 1/29/26 | 69.1 4.1 | 1406 | 35.7 3.1 | 0537 | 41.6 5.3 | 98 0 | 39 9 | 2.1 | 10.3 3.6 | 1558 | S | 176 | 0.00 | 15.30 | 0.072 0.003 | 343 34 | - |
| Stags Leap Dist (Silverado Vineyards) | 1/29/26 | 68.1 1.2 | 1351 | 36.9 3.2 | 0441 | 42.0 5.2 | 99 0 | 39 7 | 1.6 | 11.3 3.2 | 1603 | SSE | 155 | 0.00 | 18.56 | 0.073 0.008 | 281 9 | - |
| Borreo (Soda Canyon) | 1/29/26 | 66.4 1.0 | 1417 | 37.0 3.5 | 0703 | 42.3 4.1 | 98 0 | 43 5 | 1.8 | 7.1 4.7 | 1218 | WSW | 248 | 0.00 | 18.92 | 0.066 0.001 | 290 9 | - |
| Wappo Hill Floor | 1/29/26 | 71.1 5.8 | 1330 | 34.2 4.2 | 0716 | 42.3 5.1 | 100 0 | 41 8 | 1.5 | 7.1 7.2 | 1531 | SSE | 162 | 0.00 | 18.31 | 0.068 0.002 | 280 10 | - |
| Stags Leap Dist (Chimney Rock) | 1/29/26 | 70.7 4.0 | 1402 | 35.8 4.5 | 0644 | - | - | - | 1.7 | 9.0 5.7 | 1448 | SSE | 156 | 0.00 | 16.36 | 0.061 0.010 | 247 10 | 0 0 |
| Yountville-South (Ranch 87) | 1/29/26 | 68.2 2.7 | 1351 | 35.6 3.5 | 0641 | 43.3 5.2 | 100 0 | 45 5 | 1.4 | 8.4 4.4 | 1542 | SSE | 167 | 0.00 | 18.37 | 0.065 0.002 | 264 7 | - |
| Yountville-SE (Ranch 85) | 1/29/26 | 68.2 3.5 | 1437 | 35.1 5.5 | 0703 | 42.8 5.7 | 100 0 | 44 9 | 1.2 | 6.9 6.9 | 1548 | S | 190 | 0.00 | 17.30 | - | 0 0 | 0 0 |
| Oak Knoll-East (Ranch 53) | 1/29/26 | 68.3 1.7 | 1402 | 34.9 5.6 | 0636 | 42.1 5.6 | 97 0 | 42 5 | 1.1 | 7.6 6.1 | 1507 | S | 180 | 0.00 | 16.19 | 0.064 0.000 | 265 10 | - |
| Napa-NW (Ranch 54) | 1/29/26 | 67.0 1.4 | 1342 | 37.4 5.2 | 0629 | 44.0 4.4 | 100 0 | 45 4 | 1.5 | 9.5 2.8 | 1414 | SSE | 155 | 0.00 | 17.35 | - | 0 0 | 0 0 |
| Napa-North (Ranch 29) | 1/29/26 | 66.9 0.3 | 1329 | 35.1 5.8 | 0633 | 42.9 6.3 | 100 0 | 43 4 | 1.0 | 8.4 2.0 | 1555 | SSW | 205 | 0.00 | 15.88 | 0.045 0.002 | 163 12 | - |
| Max | 75.4 | - | 44.2 | - | 44.7 | 100 | 46 | 2.1 | 11.3 | - | - | 0.00 | 22.78 | 0.073 | 343 | - | |
| Avg | - | - | - | - | 42.4 | - | - | 1.5 | - | - | - | - | - | - | - | - | |
| Min | 66.1 | - | 32.2 | - | 40.1 | 89 | 29 | 0.9 | 5.3 | - | - | 0.00 | 15.30 | 0.045 | 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 | 1/29/26 | 62.2 6.0 | 1315 | 47.8 0.7 | 0659 | 40.0 6.1 | 76 24 | 33 19 | 1.5 | 8.9 0.8 | 1306 | NNW | 336 | 0.00 | 23.09 | 0.067 0.004 | 287 91 | 0 0 |
| Mount George (Napa East) | 1/29/26 | 72.4 0.9 | 1510 | 38.8 5.6 | 0744 | 47.0 3.9 | 100 0 | 44 4 | 0.6 | 6.3 3.3 | 1455 | W | 270 | 0.00 | 7.26 | 0.069 0.003 | 288 11 | - |
| Napa-East (Palmaz 300') | 1/29/26 | 69.2 1.8 | 1428 | 37.7 6.3 | 0717 | 43.8 5.1 | 100 0 | 42 2 | 1.4 | 8.6 1.2 | 1928 | NE | 55 | 0.00 | 14.12 | 0.061 0.002 | 249 10 | - |
| Napa-East (Palmaz 1200') | 1/29/26 | 64.1 2.4 | 1431 | 38.9 2.8 | 0613 | 41.4 2.0 | 100 0 | 5 1 | 3.0 | 11.4 0.1 | 1319 | E | 96 | - | - | 0.064 0.005 | 264 13 | - |
| Napa-East (Palmaz 1400') | 1/29/26 | 64.0 3.2 | 1348 | 38.2 2.0 | 0629 | 42.0 4.8 | 100 0 | 41 15 | 3.0 | 10.1 0.9 | 1258 | NNE | 29 | 0.00 | 19.62 | 0.067 0.013 | 272 16 | - |
| 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) | 1/29/26 | 65.4 3.6 | 1522 | 41.2 4.9 | 0658 | - | - | - | 1.6 | 11.2 1.8 | 0304 | NNE | 17 | 0.00 | 15.67 | 0.068 0.011 | 285 7 | 0 0 |
| Napa-West Lower (Truchard) | 1/29/26 | 66.5 5.0 | 1532 | 31.8 4.4 | 0641 | 41.0 5.0 | 100 0 | 53 12 | - | - | - | - | - | - | - | - | 0 0 |
| Napa-South (Toyon Farms) | 1/29/26 | 65.6 2.8 | 1546 | 40.7 4.1 | 0727 | 46.7 4.5 | 100 0 | 60 7 | 1.3 | 7.9 0.5 | 1356 | S | 177 | 0.00 | 9.91 | 0.037 0.001 | 150 1 | 0 0 |
| Toyon Remote 1 | 1/29/26 | 66.4 0.9 | 1359 | 36.7 3.1 | 0617 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 2 | 1/29/26 | 65.3 2.4 | 1509 | 36.1 2.2 | 0539 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 3 | 1/29/26 | 67.3 3.3 | 1515 | 34.9 3.8 | 0612 | - | - | - | - | - | - | - | - | - | - | - | - |
| Dealy Lane (Ranch 80) | 1/29/26 | 65.8 3.7 | 1518 | 38.4 3.8 | 0732 | 44.5 4.0 | 97 1 | 50 6 | 1.9 | 8.0 3.1 | 1330 | SE | 141 | 0.00 | 14.92 | 0.065 0.003 | 289 10 | - |
| Carneros (Saintsbury) | 1/29/26 | 66.6 2.3 | 1505 | 35.7 5.5 | 0728 | 43.4 4.3 | 100 0 | 52 6 | 2.0 | 7.2 3.5 | 1337 | WSW | 244 | 0.00 | 1.77 | - | - | 0 0 |
| Suscol Lower (Ranch 35) | 1/29/26 | 65.9 1.1 | 1504 | 38.1 5.9 | 0538 | 43.9 4.6 | - | - | 2.6 | 9.2 2.9 | 1034 | SSE | 166 | 0.01 | 14.30 | 0.066 0.002 | 275 11 | - |
| Suscol Mtn (Ranch 93) | 1/29/26 | 63.6 0.6 | 1420 | 47.0 3.3 | 0739 | 43.5 4.0 | 87 2 | 52 4 | 3.7 | 17.3 0.8 | 2332 | E | 87 | 0.00 | 9.84 | - | - | - |
| Suscol Upper (Ranch 92) | 1/29/26 | 65.3 0.6 | 1509 | 47.2 2.1 | 0747 | 44.2 3.6 | 89 0 | 51 4 | 0.9 | 11.3 0.6 | 1724 | ENE | 59 | 0.00 | 13.75 | - | - | 0 0 |
| Stanly (Ranch 45) | 1/29/26 | 66.7 0.7 | 1438 | 36.8 3.9 | 0632 | 43.0 4.6 | 99 0 | 48 1 | 3.3 | 10.1 2.5 | 0303 | NE | 37 | 0.00 | 15.43 | 0.076 0.000 | 321 6 | 0 0 |
| Carneros Upper (Ranch 81) | 1/29/26 | 63.9 2.4 | 1535 | 44.9 4.6 | 0633 | 45.9 2.5 | - | - | 2.8 | 8.6 6.9 | 1333 | SSW | 203 | - | - | - | - | - |
| Carneros (Mitsuko) | 1/29/26 | 66.3 0.3 | 1531 | 32.7 5.3 | 0638 | - | - | - | - | - | - | - | - | - | - | - | - |
| Carneros Lower (Ranch 81) | 1/29/26 | 65.8 0.6 | 1309 | 38.0 5.1 | 0733 | 24.3 21.7 | 100 0 | 0 0 | 1.1 | 8.0 4.0 | 1357 | SSW | 192 | 0.00 | 12.89 | 0.048 0.002 | 190 17 | - |
| Carneros (Milton Rd) | 1/29/26 | 66.3 2.6 | 1441 | 35.6 5.6 | 0634 | 43.2 5.1 | 96 2 | 50 4 | - | - | - | - | 0.00 | 5.74 | - | - | - |
| Max | 72.4 | - | 47.8 | - | 47.0 | 100 | 60 | 3.7 | 17.3 | - | - | 0.01 | 23.09 | 0.076 | 321 | - | |
| Avg | - | - | - | - | 42.4 | - | - | 2.0 | - | - | - | - | - | - | - | - | |
| Min | 62.2 | - | 31.8 | - | 24.3 | 76 | 0 | 0.6 | 6.3 | - | - | 0.00 | 1.77 | 0.037 | 150 | - |