| 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 | 3/6/26 | 67.8 4.3 | 1523 | 43.3 9.2 | 0511 | - | - | - | - | - | - | - | 0.00 | 42.33 | - | - | 0 0 |
| Pope Valley (Weeks Lake) | 3/6/26 | 70.2 3.4 | 1551 | 52.4 19.1 | 0649 | 27.5 3.7 | 37 54 | 14 0 | 7.4 | 23.7 1.1 | 1249 | N | 352 | 0.00 | 21.60 | 0.185 0.044 | 422 4 | 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 | 3/6/26 | 71.9 4.5 | 1326 | 49.4 11.6 | 0627 | 32.1 2.3 | 50 44 | 18 1 | 6.7 | 24.1 5.0 | 1506 | ENE | 57 | 0.00 | 19.16 | 0.185 0.024 | 450 4 | 0 0 |
| Dollarhide 1AS Remote | 3/6/26 | 72.9 4.7 | 1446 | 37.6 7.1 | 0640 | 33.1 0.6 | 82 14 | 19 1 | 5.2 | 22.6 1.2 | 1605 | NE | 43 | - | - | - | - | 0 0 |
| Dollarhide 17B Remote | 3/6/26 | 73.7 4.8 | 1547 | 42.4 8.2 | 0623 | 33.1 2.2 | 69 28 | 19 1 | - | - | - | - | - | - | - | - | 0 0 |
| Dollarhide 18A Remote | 3/6/26 | 72.8 3.7 | 1415 | 35.1 6.0 | 0539 | 33.1 0.8 | 88 12 | 18 1 | - | - | - | - | - | - | - | - | 0 0 |
| Angwin | 3/6/26 | 62.8 4.0 | 1516 | 45.2 4.4 | 0628 | 24.9 1.9 | 44 25 | 15 0 | 12.0 | 28.4 0.3 | 0126 | NNW | 334 | 0.00 | 38.60 | 0.118 0.027 | 0 0 | 0 0 |
| Lower Angwin (Pioneer) | 3/6/26 | 66.1 3.8 | 1516 | 48.2 7.4 | 0516 | - | - | - | 6.7 | 25.1 5.7 | 0922 | NNE | 32 | - | - | - | - | 0 0 |
| Deer Park | 3/6/26 | 73.9 5.2 | 1430 | 51.4 8.1 | 0205 | 26.6 6.6 | 42 30 | 12 0 | 5.6 | 25.6 2.3 | 0739 | N | 2 | 0.00 | 23.61 | 0.158 0.031 | 321 8 | 0 0 |
| Lower Chiles Valley (Brown) | 3/6/26 | 70.3 3.1 | 1445 | 49.2 16.3 | 0527 | 27.5 2.9 | 45 50 | 13 0 | 5.6 | 23.5 2.9 | 1315 | NE | 51 | 0.00 | 20.67 | 0.173 0.035 | 453 7 | 0 0 |
| Moss Creek Vineyard/Reservior | 3/6/26 | 70.9 4.5 | 1605 | 50.5 12.5 | 0659 | 28.6 3.8 | 67 26 | 15 0 | - | - | - | - | 0.00 | 23.37 | - | - | 0 0 |
| Max | 73.9 | - | 52.4 | - | 33.1 | 88 | 19 | 12.0 | 28.4 | - | - | 0.00 | 42.33 | 0.185 | 453 | - | |
| Avg | - | - | - | - | 29.6 | - | - | 7.0 | - | - | - | - | - | - | - | - | |
| Min | 62.8 | - | 35.1 | - | 24.9 | 37 | 12 | 5.2 | 22.6 | - | - | 0.00 | 19.16 | 0.118 | 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 | 3/6/26 | 77.5 5.5 | 1356 | 48.6 11.1 | 0038 | 31.3 7.6 | 65 31 | 14 5 | - | - | - | - | 0.00 | 27.89 | - | - | 30 20 |
| Fotsch (Maple Lane) | 3/6/26 | 74.2 4.7 | 1447 | 44.2 7.6 | 0450 | 28.6 8.4 | 74 21 | 11 3 | 6.9 | 26.6 3.9 | 0715 | NNE | 23 | 0.00 | 26.01 | - | - | 0 0 |
| Diamond Mtn (Schramsberg) | 3/6/26 | 71.8 4.1 | 1424 | 51.7 9.0 | 0505 | 26.3 6.3 | 41 35 | 12 6 | - | - | - | - | 0.00 | 26.40 | - | - | 0 0 |
| Diamond Mtn (McEachran) | 3/6/26 | 74.4 5.3 | 1539 | 53.1 12.0 | 0623 | 26.7 6.4 | 42 43 | 11 3 | - | - | - | - | - | - | - | - | 0 0 |
| St. Helena-North | 3/6/26 | 76.8 3.7 | 1337 | 49.8 12.5 | 0538 | 26.4 7.0 | 46 45 | 8 2 | 2.9 | 16.5 2.2 | 0924 | NW | 307 | 0.00 | 26.66 | 0.131 0.017 | 356 5 | 0 0 |
| St. Helena (NVV Office) | 3/6/26 | 75.9 3.1 | 1449 | 50.3 9.6 | 0046 | - | - | - | 4.4 | 19.9 2.7 | 0741 | NNE | 27 | 0.00 | 23.51 | - | - | 0 0 |
| Tiara Fria (East St. Helena) | 3/6/26 | 74.3 3.6 | 1506 | 43.1 7.6 | 0007 | 28.0 7.2 | 86 9 | 9 2 | 5.5 | 28.0 5.6 | 1006 | NNW | 336 | 0.00 | 21.80 | - | - | 0 0 |
| Rutherford Hill Estate | 3/6/26 | 76.4 2.9 | 1629 | 53.2 11.1 | 0553 | 28.2 5.7 | 41 37 | 12 1 | 3.4 | 22.8 4.8 | 1124 | ENE | 64 | 0.00 | 21.35 | 0.138 0.022 | 389 8 | 0 0 |
| Rutherford-North (Mee Ln) | 3/6/26 | 74.2 3.2 | 1611 | 50.4 15.5 | 0001 | 29.9 6.0 | 58 37 | 14 0 | 5.1 | 25.9 5.3 | 0047 | N | 0 | 0.00 | 20.49 | 0.161 0.032 | 396 7 | 0 0 |
| Rutherford (STS) | 3/6/26 | 73.3 3.0 | 1350 | 50.9 13.5 | 0621 | 34.0 4.7 | 55 37 | 18 2 | 6.8 | 27.0 6.7 | 0950 | N | 353 | 0.00 | 21.65 | 0.188 0.042 | 473 8 | 0 0 |
| Oakville-NE (Ranch 88) | 3/6/26 | 73.9 3.7 | 1543 | 52.7 15.7 | 0001 | 27.6 6.6 | 55 36 | 11 1 | 7.6 | 28.5 4.4 | 0958 | NNE | 28 | 0.00 | 21.19 | 0.199 0.051 | 446 14 | 0 0 |
| OV561-East | 3/6/26 | 76.4 4.2 | 1517 | 51.2 13.4 | 0644 | - | - | - | - | - | - | - | - | - | - | - | 0 0 |
| Oakville | 3/6/26 | 73.4 3.8 | 1424 | 49.6 11.5 | 0412 | 29.1 5.5 | 58 35 | 12 1 | 7.6 | 27.1 1.4 | 1012 | N | 0 | 0.00 | 21.73 | 0.198 0.040 | 457 8 | 0 0 |
| OV518-West | 3/6/26 | 73.2 3.8 | 1624 | 51.7 11.7 | 0401 | - | - | - | - | - | - | - | - | - | - | - | 0 0 |
| To Kalon Remote (TKKE) | 3/6/26 | 75.4 3.4 | 1420 | 51.3 14.1 | 0340 | - | - | - | - | - | - | - | - | - | - | - | 0 0 |
| To Kalon | 3/6/26 | 74.4 3.3 | 1558 | 51.0 13.2 | 0305 | 30.2 5.0 | 51 42 | 13 2 | 6.4 | 24.6 3.8 | 1005 | NNW | 338 | 0.00 | 23.62 | 0.180 0.034 | 425 6 | 0 0 |
| To Kalon Remote (TKN5) | 3/6/26 | 75.4 4.1 | 1415 | 50.7 14.2 | 0342 | - | - | - | - | - | - | - | - | - | - | - | 0 0 |
| Yountville (Ranch 67) | 3/6/26 | 73.2 3.9 | 1421 | 50.3 12.6 | 2206 | 28.5 5.2 | 66 24 | 12 1 | 6.6 | 24.0 1.5 | 1037 | N | 353 | 0.00 | 19.96 | 0.188 0.029 | 458 4 | 0 0 |
| Stags Leap Dist (Silverado Vineyards) | 3/6/26 | 73.6 3.8 | 1437 | 48.8 11.3 | 0701 | 28.0 5.3 | 59 31 | 9 1 | 3.6 | 21.4 2.4 | 1449 | N | 354 | 0.00 | 23.91 | 0.165 0.025 | 455 12 | 0 0 |
| Borreo (Soda Canyon) | 3/6/26 | 72.1 3.7 | 1445 | 53.1 14.4 | 0723 | 25.2 4.2 | 36 46 | 10 1 | 7.0 | 26.6 7.4 | 0729 | NNW | 342 | 0.00 | 23.83 | 0.196 0.046 | 461 8 | 0 0 |
| Wappo Hill Floor | 3/6/26 | 73.1 4.4 | 1419 | 51.8 11.9 | 0212 | 31.3 4.8 | 49 39 | 16 0 | 9.4 | 25.1 1.9 | 0951 | N | 6 | 0.00 | 23.28 | 0.207 0.052 | 444 10 | 0 0 |
| Stags Leap Dist (Chimney Rock) | 3/6/26 | 74.1 3.5 | 1453 | 52.7 11.5 | 0703 | 32.7 4.2 | 50 37 | 17 1 | 7.7 | 26.2 3.9 | 1009 | NNE | 26 | 0.00 | 22.51 | 0.187 0.047 | 398 10 | 0 0 |
| Yountville-South (Ranch 87) | 3/6/26 | 75.7 4.1 | 1430 | 52.6 10.3 | 0011 | 29.2 5.6 | 52 31 | 11 1 | 5.2 | 18.9 1.4 | 0451 | NW | 306 | 0.00 | 23.66 | 0.167 0.032 | 396 7 | 0 0 |
| Yountville-SE (Ranch 85) | 3/6/26 | 74.2 3.7 | 1452 | 52.3 10.2 | 0052 | 29.0 6.1 | 50 36 | 11 2 | 8.5 | 25.2 3.5 | 1213 | NNE | 18 | 0.00 | 22.19 | - | 0 0 | 0 0 |
| Oak Knoll-East (Ranch 53) | 3/6/26 | 74.4 3.7 | 1432 | 51.1 11.7 | 0027 | 28.1 6.1 | 54 34 | 11 0 | 7.7 | 25.6 3.1 | 1124 | NNW | 332 | 0.00 | 20.46 | 0.203 0.048 | 423 9 | 0 0 |
| Napa-NW (Ranch 54) | 3/6/26 | 74.1 4.3 | 1535 | 53.1 16.8 | 0310 | 27.9 6.2 | 45 49 | 11 2 | 7.7 | 21.9 1.9 | 1349 | N | 354 | 0.00 | 22.69 | - | 0 0 | 0 0 |
| Napa-North (Ranch 29) | 3/6/26 | 75.1 3.7 | 1457 | 54.4 16.1 | 0450 | 28.4 5.9 | 56 44 | 11 0 | 4.3 | 21.0 3.2 | 1032 | NNW | 339 | 0.00 | 20.32 | 0.136 0.027 | 294 6 | 0 0 |
| Max | 77.5 | - | 54.4 | - | 34.0 | 86 | 18 | 9.4 | 28.5 | - | - | 0.00 | 27.89 | 0.207 | 473 | - | |
| Avg | - | - | - | - | 28.8 | - | - | 6.2 | - | - | - | - | - | - | - | - | |
| Min | 71.8 | - | 43.1 | - | 25.2 | 36 | 8 | 2.9 | 16.5 | - | - | 0.00 | 19.96 | 0.131 | 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 | 3/6/26 | 65.3 2.4 | 1404 | 48.2 4.2 | 0242 | 26.8 3.0 | 49 18 | 16 3 | 6.2 | 24.5 7.1 | 1228 | NW | 325 | 0.00 | 29.29 | 0.161 0.042 | 401 7 | 0 0 |
| Mount George (Napa East) | 3/6/26 | 75.0 1.3 | 1438 | 48.4 11.8 | 0637 | 30.1 4.3 | 51 46 | 16 2 | 6.9 | 31.4 11.4 | 0326 | NNW | 341 | 0.00 | 11.88 | 0.188 0.043 | 456 9 | 0 0 |
| Napa-East (Palmaz 300') | 3/6/26 | 75.0 3.7 | 1543 | 50.0 11.8 | 0758 | 28.6 3.3 | 56 37 | 11 0 | 3.9 | 25.4 8.0 | 0337 | NE | 56 | 0.00 | 18.31 | 0.147 0.025 | 409 11 | 0 0 |
| Napa-East (Palmaz 1200') | 3/6/26 | 69.1 4.0 | 1523 | 48.0 11.9 | 0603 | 26.6 3.2 | 48 42 | 14 0 | 5.4 | 23.3 3.8 | 1037 | ENE | 63 | - | - | 0.161 0.038 | 434 10 | 0 0 |
| Napa-East (Palmaz 1400') | 3/6/26 | 67.5 3.8 | 1454 | 49.6 9.2 | 0550 | 27.5 2.0 | 42 34 | 16 1 | 9.0 | 27.1 4.2 | 0512 | NE | 35 | 0.00 | 24.80 | 0.185 0.057 | 444 22 | 0 0 |
| Wooden Valley | 3/6/26 | 69.5 3.7 | 1440 | 42.0 1.5 | 2336 | 29.5 2.0 | 84 12 | 15 1 | 6.1 | 23.8 5.3 | 1235 | NNW | 330 | 0.00 | 24.00 | 0.174 0.153 | 456 417 | 0 0 |
| Napa-West Upper (Truchard) | 3/6/26 | 74.2 3.9 | 1513 | 55.2 14.6 | 0315 | 27.1 5.7 | 38 50 | 10 1 | 8.3 | 31.1 5.0 | 0819 | N | 2 | 0.00 | 20.16 | 0.205 0.047 | 454 5 | 0 0 |
| Napa-West Lower (Truchard) | 3/6/26 | 76.6 4.6 | 1453 | 46.0 14.1 | 2033 | 29.5 3.8 | 76 24 | 13 0 | - | - | - | - | - | - | - | - | 0 0 |
| Napa-South (Toyon Farms) | 3/6/26 | 77.5 5.0 | 1501 | 52.8 13.3 | 0047 | 34.3 4.2 | 54 43 | 17 1 | 3.2 | 13.8 0.3 | 0923 | NNE | 20 | 0.00 | 13.94 | 0.091 0.014 | 218 4 | 0 0 |
| Toyon Remote 1 | 3/6/26 | 73.6 4.4 | 1452 | 43.4 10.6 | 0100 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 2 | 3/6/26 | 74.8 4.8 | 1502 | 45.6 10.5 | 0050 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 3 | 3/6/26 | 74.7 4.3 | 1516 | 41.2 7.7 | 0117 | - | - | - | - | - | - | - | - | - | - | - | - |
| Dealy Lane (Ranch 80) | 3/6/26 | 73.4 4.1 | 1444 | 49.6 14.4 | 0023 | 30.3 5.5 | 68 29 | 13 0 | 7.9 | 28.6 8.8 | 0600 | N | 4 | 0.00 | 19.35 | 0.195 0.056 | 460 14 | 0 0 |
| Carneros (Saintsbury) | 3/6/26 | 74.6 4.1 | 1514 | 48.2 12.1 | 0012 | 28.6 6.1 | 62 33 | 10 2 | 5.8 | 21.0 2.8 | 1125 | NNW | 334 | 0.00 | 5.62 | - | - | 0 0 |
| Suscol Lower (Ranch 35) | 3/6/26 | 74.7 2.8 | 1447 | 52.3 16.5 | 0234 | 27.2 5.8 | - | - | 11.3 | 29.2 6.1 | 0905 | N | 3 | 0.00 | 18.31 | 0.235 0.079 | 430 5 | 0 0 |
| Suscol Mtn (Ranch 93) | 3/6/26 | 72.2 4.0 | 1459 | 52.6 9.0 | 0331 | 26.3 3.3 | 38 36 | 12 0 | 12.6 | 38.7 9.2 | 0425 | N | 3 | 0.00 | 13.80 | - | - | 0 0 |
| Suscol Upper (Ranch 92) | 3/6/26 | 72.4 3.8 | 1457 | 53.9 10.0 | 0337 | 26.8 3.7 | 37 36 | 12 1 | 10.5 | 34.1 14.6 | 0609 | NNW | 333 | 0.00 | 18.16 | - | - | 0 0 |
| Stanly (Ranch 45) | 3/6/26 | 74.8 4.5 | 1456 | 50.8 13.3 | 0117 | 29.4 6.1 | 54 40 | 11 2 | 10.6 | 31.5 9.2 | 0923 | NNE | 24 | 0.00 | 19.65 | 0.235 0.076 | 505 8 | 0 0 |
| Carneros Upper (Ranch 81) | 3/6/26 | 73.3 3.5 | 1441 | 56.4 13.6 | 0445 | 24.6 8.9 | - | - | 13.8 | 37.6 14.7 | 0618 | NNE | 15 | - | - | - | - | 0 0 |
| Carneros (Mitsuko) | 3/6/26 | 74.4 3.9 | 1449 | 39.5 6.8 | 0033 | - | - | - | - | - | - | - | - | - | - | - | 0 0 |
| Carneros Lower (Ranch 81) | 3/6/26 | 75.0 4.5 | 1450 | 56.0 19.4 | 0204 | 28.2 7.5 | 38 56 | 13 1 | 9.1 | 25.0 2.8 | 0411 | N | 351 | 0.00 | 16.94 | 0.210 0.077 | 345 14 | 0 0 |
| Carneros (Milton Rd) | 3/6/26 | 74.9 3.1 | 1512 | 46.6 11.7 | 2312 | 30.0 5.7 | 72 23 | 13 1 | - | - | - | - | 0.00 | 5.75 | - | - | 0 0 |
| Max | 77.5 | - | 56.4 | - | 34.3 | 84 | 17 | 13.8 | 38.7 | - | - | 0.00 | 29.29 | 0.235 | 505 | - | |
| Avg | - | - | - | - | 28.4 | - | - | 8.1 | - | - | - | - | - | - | - | - | |
| Min | 65.3 | - | 39.5 | - | 24.6 | 37 | 10 | 3.2 | 13.8 | - | - | 0.00 | 5.62 | 0.091 | 218 | - |