| 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 | 3/8/26 | 75.4 3.5 | 1636 | 47.8 0.8 | 0051 | - | - | - | - | - | - | - | 0.00 | 42.33 | - | - | 0 0 |
| Pope Valley (Weeks Lake) | 3/7/26 | 75.1 4.9 | 1620 | 58.3 5.9 | 0552 | 38.6 11.2 | 53 16 | 24 10 | 6.5 | 23.9 0.2 | 1227 | NNE | 31 | 0.00 | 21.60 | 0.178 0.007 | 386 36 | 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 | 3/8/26 | 80.8 4.1 | 1554 | 48.1 9.9 | 0707 | 49.9 7.7 | 92 41 | 34 4 | 2.8 | 14.7 20.2 | 1736 | WSW | 247 | 0.00 | 19.16 | 0.149 0.052 | 457 50 | 0 0 |
| Dollarhide 1AS Remote | 3/8/26 | 83.0 3.6 | 1554 | 38.7 6.0 | 0728 | 47.6 4.6 | 95 3 | 32 1 | 1.5 | 12.5 17.0 | 1727 | SW | 215 | - | - | - | - | 0 0 |
| Dollarhide 17B Remote | 3/8/26 | 82.7 3.8 | 1524 | 44.0 6.0 | 0748 | 49.5 6.5 | 96 28 | 33 2 | - | - | - | - | - | - | - | - | 0 0 |
| Dollarhide 18A Remote | 3/8/26 | 84.5 6.3 | 1558 | 37.2 2.1 | 0804 | 46.9 4.5 | 100 5 | 31 2 | - | - | - | - | - | - | - | - | 0 0 |
| Angwin | 3/8/26 | 71.6 4.9 | 1610 | 56.0 3.2 | 0812 | 42.5 6.0 | 57 8 | 36 4 | 5.3 | 21.3 10.2 | 0441 | N | 10 | 0.00 | 38.60 | 0.057 0.067 | 0 0 | 0 0 |
| Lower Angwin (Pioneer) | 3/8/26 | 75.1 3.9 | 1504 | 45.7 10.4 | 0038 | - | - | - | 3.5 | 15.4 14.9 | 0434 | NE | 37 | - | - | - | - | 0 0 |
| Deer Park | 3/8/26 | 79.8 1.9 | 1640 | 54.6 2.9 | 0752 | 46.5 8.6 | 75 31 | 30 7 | 3.2 | 18.6 7.8 | 0327 | NNE | 15 | 0.00 | 23.61 | 0.126 0.033 | 323 27 | 0 0 |
| Lower Chiles Valley (Brown) | 3/8/26 | 80.7 5.6 | 1529 | 44.3 12.4 | 0047 | 46.4 7.9 | 97 46 | 27 1 | 1.6 | 10.7 15.2 | 1540 | NNW | 335 | 0.00 | 20.67 | 0.136 0.038 | 447 32 | 0 0 |
| Moss Creek Vineyard/Reservior | 3/8/26 | 78.8 4.8 | 1651 | 49.1 0.9 | 0539 | 47.8 8.0 | 93 20 | 30 4 | - | - | - | - | 0.00 | 23.37 | - | - | 0 0 |
| Max | 84.5 | - | 56.0 | - | 49.9 | 100 | 36 | 5.3 | 21.3 | - | - | 0.00 | 42.33 | 0.149 | 457 | - | |
| Avg | - | - | - | - | 47.1 | - | - | 3.0 | - | - | - | - | - | - | - | - | |
| Min | 71.6 | - | 37.2 | - | 42.5 | 57 | 27 | 1.5 | 10.7 | - | - | 0.00 | 19.16 | 0.057 | 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 | 3/8/26 | 82.1 1.3 | 1500 | 49.9 7.2 | 0059 | 49.4 7.2 | 93 39 | 33 7 | - | - | - | - | 0.00 | 27.89 | - | - | 70 20 |
| Fotsch (Maple Lane) | 3/8/26 | 79.6 0.5 | 1643 | 46.9 10.5 | 0048 | 46.3 8.0 | 94 39 | 30 8 | 3.2 | 16.9 11.5 | 0238 | NNE | 26 | 0.00 | 26.01 | - | - | 0 0 |
| Diamond Mtn (Schramsberg) | 3/8/26 | 79.4 3.0 | 1640 | 57.1 1.3 | 0754 | 45.1 8.1 | 66 24 | 29 5 | - | - | - | - | 0.00 | 26.40 | - | - | 0 0 |
| Diamond Mtn (McEachran) | 3/8/26 | 79.6 1.8 | 1605 | 52.6 4.7 | 0755 | 46.2 7.5 | 79 31 | 28 4 | - | - | - | - | - | - | - | - | 0 0 |
| St. Helena-North | 3/8/26 | 82.9 1.5 | 1519 | 49.7 9.7 | 0058 | 46.0 9.3 | 84 37 | 23 6 | 1.8 | 14.0 3.3 | 0110 | NW | 324 | 0.00 | 26.66 | 0.116 0.017 | 353 29 | 60 60 |
| St. Helena (NVV Office) | 3/8/26 | 83.9 3.2 | 1604 | 51.1 6.9 | 0751 | - | - | - | 1.4 | 9.9 9.1 | 0144 | NE | 40 | 0.00 | 23.51 | - | - | 60 60 |
| Tiara Fria (East St. Helena) | 3/8/26 | 81.8 2.7 | 1555 | 47.2 11.0 | 0749 | 48.6 9.6 | 93 29 | 27 5 | 2.0 | 11.4 14.8 | 1636 | SE | 135 | 0.00 | 21.80 | - | - | 0 0 |
| Rutherford Hill Estate | 3/8/26 | 81.7 0.3 | 1518 | 53.6 6.4 | 0806 | 49.2 10.1 | 79 37 | 31 8 | 1.9 | 12.5 14.9 | 1722 | W | 259 | 0.00 | 21.35 | 0.123 0.004 | 390 38 | 0 0 |
| Rutherford-North (Mee Ln) | 3/7/26 | 79.4 5.2 | 1618 | 50.7 0.3 | 0104 | 41.3 11.4 | 66 9 | 24 11 | 2.9 | 23.0 2.9 | 1309 | NNW | 336 | 0.00 | 20.49 | 0.132 0.029 | 362 34 | 0 0 |
| Rutherford (STS) | 3/8/26 | 83.5 5.5 | 1454 | 45.2 6.4 | 0712 | 51.4 7.0 | 91 25 | 33 3 | 2.0 | 12.8 9.5 | 1526 | ESE | 108 | 0.00 | 21.65 | 0.145 0.024 | 477 42 | 0 0 |
| Oakville-NE (Ranch 88) | 3/8/26 | 82.7 3.4 | 1439 | 43.9 6.8 | 0657 | 48.0 8.4 | 92 15 | 27 6 | 1.6 | 13.2 13.7 | 1624 | SSE | 165 | 0.00 | 21.19 | 0.134 0.038 | 449 33 | 0 0 |
| OV561-East | 3/8/26 | 80.7 0.1 | 1558 | 45.5 6.4 | 0807 | - | - | - | - | - | - | - | - | - | - | - | 60 60 |
| Oakville | 3/8/26 | 81.3 2.5 | 1451 | 45.6 2.8 | 0735 | 48.8 8.4 | 93 19 | 30 8 | 2.7 | 13.6 11.5 | 1706 | SSE | 151 | 0.00 | 21.73 | 0.140 0.040 | 455 29 | 0 0 |
| OV518-West | 3/8/26 | 79.2 0.6 | 1506 | 46.3 6.4 | 0702 | - | - | - | - | - | - | - | - | - | - | - | 0 0 |
| To Kalon Remote (TKKE) | 3/8/26 | 83.0 2.2 | 1509 | 46.2 3.3 | 0621 | - | - | - | - | - | - | - | - | - | - | - | 60 60 |
| To Kalon | 3/8/26 | 82.6 2.2 | 1415 | 48.3 4.6 | 0551 | 49.5 8.5 | 91 32 | 29 6 | 2.5 | 12.3 8.0 | 1543 | SE | 146 | 0.00 | 23.62 | 0.133 0.037 | 426 32 | 0 0 |
| To Kalon Remote (TKN5) | 3/8/26 | 82.5 2.5 | 1501 | 47.1 2.7 | 0748 | - | - | - | - | - | - | - | - | - | - | - | 60 60 |
| Yountville (Ranch 67) | 3/8/26 | 79.2 2.2 | 1440 | 45.6 5.1 | 0626 | 48.4 8.9 | 94 23 | 30 6 | 2.6 | 13.4 21.6 | 1600 | SE | 146 | 0.00 | 19.96 | 0.139 0.058 | 458 30 | 0 0 |
| Stags Leap Dist (Silverado Vineyards) | 3/8/26 | 79.3 1.8 | 1437 | 46.3 7.9 | 0826 | 48.4 9.7 | 94 30 | 30 7 | 2.3 | 14.0 10.5 | 1558 | SSE | 150 | 0.00 | 23.91 | 0.145 0.029 | 453 15 | 0 0 |
| Borreo (Soda Canyon) | 3/8/26 | 76.8 0.9 | 1435 | 46.4 12.1 | 0735 | 47.9 11.7 | 92 29 | 35 11 | 2.0 | 10.5 23.5 | 1508 | SE | 126 | 0.00 | 23.83 | 0.132 0.089 | 459 23 | 0 0 |
| Wappo Hill Floor | 3/8/26 | 81.2 3.1 | 1357 | 43.3 17.1 | 0734 | 49.6 8.6 | 100 39 | 32 5 | 2.0 | 11.3 22.2 | 1457 | SSE | 150 | 0.00 | 23.28 | 0.134 0.077 | 437 31 | 0 0 |
| Stags Leap Dist (Chimney Rock) | 3/8/26 | 79.0 1.1 | 1414 | 44.1 14.9 | 0725 | 50.2 8.2 | 100 42 | 39 12 | 2.2 | 11.0 23.2 | 1452 | S | 174 | 0.00 | 22.51 | 0.122 0.076 | 408 27 | 0 0 |
| Yountville-South (Ranch 87) | 3/8/26 | 78.8 1.1 | 1411 | 45.4 14.6 | 0616 | 49.9 9.6 | 100 41 | 34 10 | 2.0 | 11.0 11.6 | 1703 | SSE | 166 | 0.00 | 23.66 | 0.122 0.038 | 380 29 | 60 60 |
| Yountville-SE (Ranch 85) | 3/8/26 | 80.2 1.8 | 1415 | 44.7 12.8 | 0741 | 49.8 9.7 | 95 33 | 34 10 | 1.6 | 11.8 14.6 | 1558 | SSE | 161 | 0.00 | 22.19 | - | 0 0 | 0 0 |
| Oak Knoll-East (Ranch 53) | 3/8/26 | 78.4 0.8 | 1402 | 45.2 13.7 | 0732 | 48.8 10.1 | 94 32 | 33 10 | 1.6 | 12.1 17.3 | 1458 | S | 169 | 0.00 | 20.46 | 0.127 0.079 | 421 23 | 60 60 |
| Napa-NW (Ranch 54) | 3/8/26 | 77.8 0.6 | 1233 | 45.3 13.7 | 0726 | 48.8 10.0 | 100 37 | 34 10 | 2.1 | 12.6 14.4 | 1434 | SSE | 167 | 0.00 | 22.69 | - | 0 0 | 0 0 |
| Napa-North (Ranch 29) | 3/8/26 | 78.2 1.1 | 1657 | 45.5 7.5 | 0748 | 49.7 9.4 | 100 22 | 37 14 | 1.8 | 11.8 8.8 | 1448 | S | 189 | 0.00 | 20.32 | 0.098 0.016 | 284 20 | 0 0 |
| Max | 83.9 | - | 57.1 | - | 51.4 | 100 | 39 | 3.2 | 16.9 | - | - | 0.00 | 27.89 | 0.145 | 477 | - | |
| Avg | - | - | - | - | 48.6 | - | - | 2.1 | - | - | - | - | - | - | - | - | |
| Min | 76.8 | - | 43.3 | - | 45.1 | 66 | 23 | 1.4 | 9.9 | - | - | 0.00 | 19.96 | 0.098 | 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 | 3/8/26 | 76.1 5.8 | 1446 | 58.9 3.2 | 0059 | 43.8 6.5 | 63 15 | 32 3 | 1.8 | 14.1 8.7 | 0103 | N | 354 | 0.00 | 29.29 | 0.106 0.073 | 309 66 | 0 0 |
| Mount George (Napa East) | 3/8/26 | 82.9 1.1 | 1512 | 46.6 10.5 | 0719 | 52.8 12.8 | 96 22 | 41 16 | 1.4 | 8.0 19.4 | 1513 | WSW | 258 | 0.00 | 11.88 | 0.133 0.069 | 447 8 | 0 0 |
| Napa-East (Palmaz 300') | 3/8/26 | 78.0 2.0 | 1643 | 48.7 8.9 | 0640 | 49.3 11.0 | 91 31 | 38 16 | 1.9 | 9.4 16.4 | 0823 | ENE | 65 | 0.00 | 18.31 | 0.120 0.046 | 398 2 | 60 60 |
| Napa-East (Palmaz 1200') | 3/7/26 | 74.5 5.4 | 1445 | 55.3 7.3 | 2356 | 37.1 10.6 | 67 19 | 24 10 | 6.5 | 26.5 3.2 | 0907 | ENE | 60 | - | - | 0.177 0.016 | 421 13 | 0 0 |
| Napa-East (Palmaz 1400') | 3/8/26 | 74.9 2.1 | 1317 | 48.4 7.8 | 0059 | 47.0 9.0 | 85 36 | 37 10 | 3.1 | 15.3 15.0 | 0415 | NNE | 15 | 0.00 | 24.80 | 0.134 0.069 | 448 12 | 0 0 |
| Wooden Valley | 3/8/26 | 72.7 3.2 | 1302 | 40.9 1.4 | 0750 | 46.9 7.8 | 97 10 | 38 15 | 1.7 | 10.2 15.0 | 1356 | SE | 133 | 0.00 | 24.00 | 0.122 0.038 | 449 11 | 0 0 |
| Napa-West Upper (Truchard) | 3/8/26 | 77.2 1.4 | 1621 | 51.8 6.3 | 0706 | 50.4 12.0 | 88 33 | 43 20 | 2.4 | 11.4 14.1 | 1456 | S | 170 | 0.00 | 20.16 | 0.138 0.054 | 451 19 | 0 0 |
| Napa-West Lower (Truchard) | 3/8/26 | 78.5 1.4 | 1427 | 43.5 2.8 | 0729 | 49.2 8.7 | 100 22 | 43 19 | - | - | - | - | - | - | - | - | 60 60 |
| Napa-South (Toyon Farms) | 3/8/26 | 79.1 2.5 | 1542 | 50.6 2.1 | 0759 | 52.5 7.8 | 93 25 | 47 19 | 2.4 | 9.5 3.7 | 1531 | SSE | 168 | 0.00 | 13.94 | 0.073 0.015 | 225 22 | 60 60 |
| Toyon Remote 1 | 3/8/26 | 77.5 0.2 | 1333 | 42.9 1.0 | 0756 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 2 | 3/8/26 | 76.5 2.9 | 1646 | 45.4 2.8 | 0531 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 3 | 3/8/26 | 78.5 1.0 | 1630 | 43.4 2.2 | 0746 | - | - | - | - | - | - | - | - | - | - | - | - |
| Dealy Lane (Ranch 80) | 3/8/26 | 76.6 1.2 | 1707 | 47.5 0.1 | 0525 | 49.9 9.1 | 94 5 | 42 17 | 2.1 | 8.7 15.5 | 1543 | SSE | 148 | 0.00 | 19.35 | 0.130 0.054 | 460 22 | 0 0 |
| Carneros (Saintsbury) | 3/8/26 | 75.6 4.3 | 1426 | 48.3 6.0 | 0740 | 50.0 10.0 | 90 16 | 43 21 | 2.7 | 9.3 9.9 | 1502 | SSE | 167 | 0.00 | 5.62 | - | - | 0 0 |
| Suscol Lower (Ranch 35) | 3/8/26 | 76.2 3.8 | 1657 | 45.4 2.9 | 0742 | 49.2 10.1 | - | - | 3.7 | 11.8 15.3 | 1441 | SE | 132 | 0.00 | 18.31 | 0.127 0.072 | 425 14 | 0 0 |
| Suscol Mtn (Ranch 93) | 3/8/26 | 75.0 2.0 | 1717 | 54.8 2.7 | 0058 | 47.4 10.5 | 79 37 | 35 11 | 4.8 | 23.9 3.8 | 0624 | E | 97 | 0.00 | 13.80 | - | - | 0 0 |
| Suscol Upper (Ranch 92) | 3/8/26 | 77.1 0.5 | 1600 | 54.4 2.4 | 0059 | 48.2 10.9 | 83 35 | 35 12 | 1.6 | 16.4 6.0 | 0542 | NE | 39 | 0.00 | 18.16 | - | - | 0 0 |
| Stanly (Ranch 45) | 3/8/26 | 76.7 2.9 | 1634 | 46.5 2.9 | 0722 | 49.9 9.4 | 93 22 | 40 17 | 2.7 | 9.7 11.2 | 1731 | SW | 222 | 0.00 | 19.65 | 0.147 0.046 | 496 18 | 0 0 |
| Carneros Upper (Ranch 81) | 3/8/26 | 75.9 2.2 | 1436 | 53.2 7.5 | 0742 | 49.0 12.4 | - | - | 4.4 | 14.6 24.1 | 2215 | W | 270 | - | - | - | - | 0 0 |
| Carneros (Mitsuko) | 3/8/26 | 76.4 2.8 | 1644 | 43.9 1.5 | 0427 | - | - | - | - | - | - | - | - | - | - | - | 0 0 |
| Carneros Lower (Ranch 81) | 3/8/26 | 75.9 3.1 | 1358 | 45.4 4.2 | 0801 | 48.6 8.1 | 100 18 | 0 24 | 1.5 | 9.9 18.9 | 1459 | SSE | 148 | 0.00 | 16.94 | 0.102 0.065 | 340 4 | 0 0 |
| Carneros (Milton Rd) | 3/8/26 | 77.1 3.6 | 1653 | 47.0 0.6 | 0720 | 49.5 8.0 | 93 10 | 42 19 | - | - | - | - | 0.00 | 5.75 | - | - | 0 0 |
| Max | 82.9 | - | 58.9 | - | 52.8 | 100 | 47 | 4.8 | 23.9 | - | - | 0.00 | 29.29 | 0.147 | 496 | - | |
| Avg | - | - | - | - | 49.0 | - | - | 2.6 | - | - | - | - | - | - | - | - | |
| Min | 72.7 | - | 40.9 | - | 43.8 | 63 | 0 | 1.4 | 8.0 | - | - | 0.00 | 5.62 | 0.073 | 225 | - |