| 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 | 1/24/26 | 62.1 2.1 | 1449 | 37.1 0.9 | 2254 | - | - | - | - | - | - | - | 0.00 | 34.57 | - | - | - |
| Pope Valley (Weeks Lake) | 1/24/26 | 66.0 0.3 | 1522 | 27.8 3.7 | 2359 | 22.8 14.8 | 100 0 | 11 30 | 4.3 | 25.4 18.9 | 1126 | N | 354 | 0.00 | 16.94 | 0.109 0.053 | 289 39 | 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 | 1/24/26 | 66.2 0.0 | 1407 | 37.8 3.3 | 0015 | 26.2 16.4 | 100 0 | 15 31 | 5.5 | 25.4 14.4 | 1413 | NNE | 30 | 0.00 | 14.79 | 0.127 0.064 | 311 36 | - |
| Dollarhide 1AS Remote | 1/24/26 | 66.8 2.4 | 1438 | 25.6 6.3 | 2356 | 27.6 11.0 | 96 0 | 16 25 | 3.5 | 20.8 11.9 | 1441 | NE | 45 | - | - | - | - | - |
| Dollarhide 17B Remote | 1/24/26 | 69.5 1.5 | 1445 | 32.0 1.1 | 2239 | 28.4 12.8 | 100 0 | 14 29 | - | - | - | - | - | - | - | - | - |
| Dollarhide 18A Remote | 1/24/26 | 66.8 4.5 | 1430 | 24.5 5.9 | 2337 | 27.6 10.8 | 100 0 | 15 23 | - | - | - | - | - | - | - | - | - |
| Angwin | 1/24/26 | 56.7 2.9 | 1445 | 44.9 0.5 | 0725 | 16.0 21.9 | 48 36 | 13 30 | 13.0 | 31.1 9.7 | 0809 | N | 0 | 0.00 | 32.03 | 0.123 0.091 | 0 0 | 0 0 |
| Lower Angwin (Pioneer) | 1/24/26 | 60.6 1.0 | 1453 | 47.6 13.5 | 0726 | - | - | - | 6.5 | 25.1 11.2 | 1402 | NNE | 15 | - | - | - | - | - |
| Deer Park | 1/24/26 | 68.2 16.8 | 1502 | 39.9 2.0 | 0350 | 21.0 23.4 | 100 0 | 10 74 | 5.3 | 24.2 17.0 | 1210 | N | 350 | 0.00 | 18.50 | 0.112 0.092 | 213 115 | - |
| Lower Chiles Valley (Brown) | 1/24/26 | 64.6 9.4 | 1446 | 33.7 2.7 | 2355 | 22.3 17.9 | 100 0 | 13 58 | 5.0 | 24.8 10.6 | 1047 | NE | 55 | 0.00 | 14.39 | 0.124 0.079 | 302 62 | 0 0 |
| Moss Creek Vineyard/Reservior | 1/24/26 | 65.5 2.3 | 1442 | 36.2 2.1 | 0019 | 27.1 14.8 | 100 0 | 14 44 | - | - | - | - | 0.00 | 19.00 | - | - | - |
| Max | 69.5 | - | 47.6 | - | 28.4 | 100 | 16 | 13.0 | 31.1 | - | - | 0.00 | 34.57 | 0.127 | 311 | - | |
| Avg | - | - | - | - | 24.3 | - | - | 6.1 | - | - | - | - | - | - | - | - | |
| Min | 56.7 | - | 24.5 | - | 16.0 | 48 | 10 | 3.5 | 20.8 | - | - | 0.00 | 14.39 | 0.109 | 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 | 1/24/26 | 70.8 12.4 | 1313 | 40.1 1.6 | 0432 | 28.6 16.2 | 100 0 | 12 62 | - | - | - | - | 0.00 | 22.65 | - | - | - |
| Fotsch (Maple Lane) | 1/24/26 | 70.7 16.5 | 1423 | 35.8 0.7 | 2123 | 27.1 16.3 | 98 0 | 8 68 | 3.9 | 25.8 14.0 | 1206 | W | 277 | 0.00 | 20.61 | - | - | - |
| Diamond Mtn (Schramsberg) | 1/24/26 | 65.9 13.5 | 1355 | 48.2 6.9 | 0001 | 17.5 26.7 | 70 30 | 9 57 | - | - | - | - | 0.00 | 20.76 | - | - | - |
| Diamond Mtn (McEachran) | 1/24/26 | 67.8 15.6 | 1324 | 40.4 1.3 | 0254 | 21.8 22.6 | 100 0 | 9 73 | - | - | - | - | - | - | - | - | - |
| St. Helena-North | 1/24/26 | 71.1 20.1 | 1436 | 38.7 1.1 | 0535 | 26.6 17.7 | 99 0 | 7 75 | 2.7 | 13.4 4.8 | 1052 | ENE | 77 | 0.00 | 20.73 | 0.076 0.057 | 224 142 | - |
| St. Helena (NVV Office) | 1/24/26 | 69.4 19.4 | 1514 | 38.9 0.7 | 0637 | - | - | - | 2.6 | 17.4 12.2 | 1434 | NNW | 343 | 0.00 | 18.18 | - | - | - |
| Tiara Fria (East St. Helena) | 1/24/26 | 69.1 19.2 | 1506 | 36.0 0.6 | 2355 | 28.8 15.2 | 98 1 | 9 81 | 2.8 | 22.7 16.8 | 1516 | ENE | 68 | 0.00 | 16.72 | - | - | - |
| Rutherford Hill Estate | 1/24/26 | 70.8 22.0 | 1458 | 41.1 1.4 | 0458 | 24.6 20.9 | 100 0 | 10 79 | 2.0 | 18.4 13.4 | 1102 | N | 0 | 0.00 | 17.00 | 0.079 0.063 | 260 190 | 0 0 |
| Rutherford-North (Mee Ln) | 1/24/26 | 69.4 26.0 | 1452 | 32.6 1.1 | 0649 | 27.5 11.4 | 100 0 | 11 82 | 2.8 | 22.8 17.5 | 1213 | NE | 46 | 0.00 | 15.32 | 0.085 0.072 | 262 199 | 0 0 |
| Rutherford (STS) | 1/24/26 | 69.6 19.7 | 1456 | 36.3 0.9 | 2344 | 31.0 10.3 | 90 0 | 16 69 | 3.9 | 20.5 15.5 | 1238 | NNE | 32 | 0.01 | 16.02 | 0.110 0.092 | 302 234 | - |
| Oakville-NE (Ranch 88) | 1/24/26 | 69.6 19.3 | 1502 | 35.0 0.2 | 0722 | 27.2 16.4 | 98 1 | 10 79 | 3.1 | 20.5 18.0 | 1422 | ENE | 61 | 0.01 | 16.03 | 0.111 0.095 | 307 240 | 0 0 |
| OV561-East | 1/24/26 | 72.2 20.7 | 1453 | 37.7 1.5 | 0728 | - | - | - | - | - | - | - | - | - | - | - | - |
| Oakville | 1/24/26 | 68.7 18.1 | 1510 | 36.6 0.6 | 2351 | 28.6 15.5 | 98 0 | 11 77 | 4.9 | 25.9 19.5 | 1119 | NE | 39 | 0.00 | 16.58 | 0.121 0.104 | 296 225 | - |
| OV518-West | 1/24/26 | 67.7 16.8 | 1505 | 37.7 1.6 | 2348 | - | - | - | - | - | - | - | - | - | - | - | - |
| To Kalon Remote (TKKE) | 1/24/26 | 69.5 18.3 | 1522 | 36.4 1.1 | 0613 | - | - | - | - | - | - | - | - | - | - | - | - |
| To Kalon | 1/24/26 | 70.9 20.1 | 1434 | 38.2 1.3 | 0639 | 29.1 15.9 | 100 0 | 12 80 | 3.2 | 14.9 9.8 | 1202 | NE | 39 | 0.00 | 17.71 | 0.097 0.084 | 279 225 | - |
| To Kalon Remote (TKN5) | 1/24/26 | 69.7 18.1 | 1510 | 36.6 0.4 | 2337 | - | - | - | - | - | - | - | - | - | - | - | - |
| Yountville (Ranch 67) | 1/24/26 | 67.2 16.8 | 1449 | 37.5 1.7 | 0730 | 26.8 17.1 | 98 0 | 11 75 | 5.6 | 23.5 15.7 | 1058 | N | 4 | 0.01 | 15.16 | 0.131 0.110 | 322 181 | - |
| Stags Leap Dist (Silverado Vineyards) | 1/24/26 | 67.4 16.9 | 1504 | 36.5 0.9 | 0733 | 27.3 16.3 | 99 1 | 10 76 | 2.9 | 22.1 13.0 | 1330 | NNW | 342 | 0.00 | 18.44 | 0.104 0.087 | 295 224 | - |
| Borreo (Soda Canyon) | 1/24/26 | 66.1 17.4 | 1423 | 39.2 1.7 | 0552 | 22.7 21.0 | 99 0 | 10 81 | 5.6 | 26.7 21.4 | 1111 | NNW | 341 | 0.00 | 18.80 | 0.135 0.116 | 307 218 | - |
| Wappo Hill Floor | 1/24/26 | 67.6 15.8 | 1403 | 40.0 4.9 | 0756 | 29.5 15.0 | 100 0 | 13 71 | 5.4 | 25.1 18.4 | 1325 | NNE | 18 | 0.00 | 18.22 | 0.125 0.108 | 296 218 | - |
| Stags Leap Dist (Chimney Rock) | 1/24/26 | 69.1 17.0 | 1506 | 40.7 4.9 | 0807 | - | - | - | 4.3 | 24.8 18.2 | 1624 | NE | 35 | 0.00 | 16.24 | 0.118 0.089 | 260 190 | 0 0 |
| Yountville-South (Ranch 87) | 1/24/26 | 69.9 18.3 | 1433 | 40.2 4.5 | 0805 | 29.7 15.6 | 100 0 | 12 76 | 2.9 | 18.5 12.1 | 1256 | NE | 49 | 0.00 | 18.26 | 0.096 0.079 | 287 215 | - |
| Yountville-SE (Ranch 85) | 1/24/26 | 68.7 17.2 | 1442 | 41.1 3.5 | 0813 | 30.3 15.0 | 100 0 | 12 75 | 4.2 | 23.6 16.3 | 1217 | NE | 49 | 0.00 | 17.18 | - | 0 0 | 0 0 |
| Oak Knoll-East (Ranch 53) | 1/24/26 | 68.7 17.1 | 1339 | 41.3 3.6 | 2338 | 29.5 15.5 | 98 0 | 12 74 | 4.0 | 18.8 12.7 | 1024 | N | 351 | 0.00 | 16.09 | 0.108 0.091 | 277 211 | - |
| Napa-NW (Ranch 54) | 1/24/26 | 68.3 16.1 | 1438 | 41.0 3.3 | 0721 | 29.6 16.0 | 100 0 | 11 72 | 4.1 | 21.7 15.2 | 1230 | N | 349 | 0.00 | 17.24 | - | 0 0 | 0 0 |
| Napa-North (Ranch 29) | 1/24/26 | 68.8 17.0 | 1512 | 36.0 1.5 | 2357 | 32.7 13.4 | 100 0 | 13 73 | 2.0 | 16.4 10.7 | 1527 | NNW | 335 | 0.00 | 15.78 | 0.061 0.049 | 178 133 | - |
| Max | 72.2 | - | 48.2 | - | 32.7 | 100 | 16 | 5.6 | 26.7 | - | - | 0.01 | 22.65 | 0.135 | 322 | - | |
| Avg | - | - | - | - | 27.5 | - | - | 3.6 | - | - | - | - | - | - | - | - | |
| Min | 65.9 | - | 32.6 | - | 17.5 | 70 | 7 | 2.0 | 13.4 | - | - | 0.00 | 15.16 | 0.061 | 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 | 1/24/26 | 61.9 6.8 | 1238 | 47.3 5.4 | 0355 | 20.8 23.1 | 61 39 | 15 41 | 4.1 | 22.1 14.9 | 0746 | N | 1 | 0.00 | 22.87 | 0.100 0.044 | 279 8 | 0 0 |
| Mount George (Napa East) | 1/24/26 | 71.2 21.5 | 1400 | 36.8 0.4 | 0734 | 32.7 11.7 | 99 0 | 15 73 | 3.5 | 25.2 19.4 | 1614 | NNE | 18 | 0.00 | 7.16 | 0.108 0.091 | 308 237 | - |
| Napa-East (Palmaz 300') | 1/24/26 | 70.3 20.3 | 1453 | 36.3 4.3 | 0720 | 30.2 15.1 | 100 0 | 12 76 | 2.4 | 20.5 13.2 | 1627 | NE | 54 | 0.00 | 14.03 | 0.081 0.067 | 264 209 | - |
| Napa-East (Palmaz 1200') | 1/24/26 | 64.1 16.9 | 1429 | 35.8 1.8 | 0414 | 22.4 13.7 | 100 10 | 13 62 | 4.6 | 22.1 15.9 | 1155 | ENE | 64 | - | - | 0.111 0.087 | 280 180 | - |
| Napa-East (Palmaz 1400') | 1/24/26 | 62.0 9.2 | 1415 | 37.6 1.7 | 0302 | 22.8 19.6 | 100 0 | 15 68 | 8.0 | 23.9 16.6 | 2107 | NNE | 20 | 0.00 | 19.50 | 0.134 0.104 | 282 115 | - |
| 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) | 1/24/26 | 68.5 18.0 | 1416 | 38.1 4.3 | 0728 | - | - | - | 2.7 | 17.5 8.8 | 1517 | N | 352 | 0.00 | 15.55 | 0.096 0.067 | 299 233 | 0 0 |
| Napa-West Lower (Truchard) | 1/24/26 | 70.8 19.6 | 1459 | 30.6 3.6 | 2357 | 33.4 10.6 | 100 0 | 15 72 | - | - | - | - | - | - | - | - | 0 0 |
| Napa-South (Toyon Farms) | 1/24/26 | 71.6 19.0 | 1509 | 40.6 2.9 | 2333 | 37.2 10.4 | 100 0 | 18 72 | 1.2 | 10.3 6.9 | 1343 | NNW | 338 | 0.00 | 9.78 | 0.046 0.038 | 157 120 | 0 0 |
| Toyon Remote 1 | 1/24/26 | 68.4 15.9 | 1351 | 32.4 5.2 | 2341 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 2 | 1/24/26 | 68.7 16.5 | 1513 | 32.0 3.8 | 2302 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 3 | 1/24/26 | 69.1 16.1 | 1437 | 32.3 5.0 | 2332 | - | - | - | - | - | - | - | - | - | - | - | - |
| Dealy Lane (Ranch 80) | 1/24/26 | 67.5 15.2 | 1418 | 34.9 3.6 | 2335 | 35.2 10.7 | 97 0 | 15 69 | 3.0 | 17.7 10.1 | 1436 | NE | 56 | 0.00 | 14.80 | 0.090 0.073 | 295 224 | - |
| Carneros (Saintsbury) | 1/24/26 | 68.5 17.6 | 1450 | 36.9 2.5 | 0717 | 33.1 11.3 | 100 0 | 13 73 | 2.6 | 14.7 8.2 | 1312 | NE | 50 | 0.00 | 1.65 | - | - | 0 0 |
| Suscol Lower (Ranch 35) | 1/24/26 | 69.7 18.9 | 1430 | 36.8 3.0 | 0743 | 32.5 13.2 | - | - | 4.7 | 18.4 12.1 | 1458 | N | 352 | 0.00 | 14.19 | 0.101 0.085 | 286 227 | - |
| Suscol Mtn (Ranch 93) | 1/24/26 | 67.0 17.0 | 1434 | 38.5 3.8 | 0524 | 24.8 20.6 | 100 0 | 12 72 | 5.9 | 22.6 12.7 | 1112 | NNE | 21 | 0.01 | 9.84 | - | - | - |
| Suscol Upper (Ranch 92) | 1/24/26 | 67.6 17.6 | 1413 | 39.3 3.7 | 0548 | 27.0 19.4 | 100 0 | 13 71 | 2.5 | 17.8 10.4 | 1630 | NW | 324 | 0.00 | 13.66 | - | - | 0 0 |
| Stanly (Ranch 45) | 1/24/26 | 69.0 18.0 | 1421 | 34.9 3.9 | 2340 | 32.9 10.7 | 99 0 | 13 71 | 4.1 | 21.5 12.9 | 1629 | NNE | 18 | 0.00 | 15.30 | 0.113 0.097 | 326 260 | 0 0 |
| Carneros Upper (Ranch 81) | 1/24/26 | 67.1 15.8 | 1438 | 41.5 1.7 | 0657 | -4.7 0.5 | - | - | 4.7 | 24.4 15.1 | 1309 | NNE | 20 | - | - | - | - | - |
| Carneros (Mitsuko) | 1/24/26 | 68.9 16.8 | 1436 | 31.3 7.2 | 2332 | - | - | - | - | - | - | - | - | - | - | - | - |
| Carneros Lower (Ranch 81) | 1/24/26 | 68.6 16.8 | 1435 | 37.0 3.9 | 2336 | 14.0 12.9 | 100 0 | 0 0 | 2.4 | 17.1 9.4 | 1302 | N | 0 | 0.00 | 12.79 | 0.077 0.053 | 193 145 | - |
| Carneros (Milton Rd) | 1/24/26 | 69.0 16.8 | 1525 | 34.5 4.9 | 2228 | 34.8 11.1 | 96 0 | 14 70 | - | - | - | - | 0.00 | 5.74 | - | - | - |
| Max | 71.6 | - | 47.3 | - | 37.2 | 100 | 18 | 8.0 | 25.2 | - | - | 0.01 | 22.87 | 0.134 | 326 | - | |
| Avg | - | - | - | - | 26.8 | - | - | 3.7 | - | - | - | - | - | - | - | - | |
| Min | 61.9 | - | 30.6 | - | -4.7 | 61 | 0 | 1.2 | 10.3 | - | - | 0.00 | 1.65 | 0.046 | 157 | - |