| 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 | 3/9/26 | 72.2 3.3 | 1712 | 42.6 5.2 | 0036 | - | - | - | - | - | - | - | 0.00 | 42.33 | - | - | 0 0 |
| Pope Valley (Weeks Lake) | 3/9/26 | 78.1 2.0 | 1444 | 38.7 2.6 | 0714 | 45.4 0.4 | 100 5 | 33 4 | 1.6 | 13.4 0.7 | 1815 | WSW | 241 | 0.00 | 21.60 | 0.124 0.005 | 418 9 | 60 60 |
| 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 | 3/9/26 | 78.6 2.1 | 1342 | 44.1 4.0 | 0749 | 50.6 0.8 | 100 8 | 37 2 | 2.6 | 14.2 0.4 | 1633 | SW | 233 | 0.00 | 19.16 | 0.141 0.008 | 450 8 | 60 60 |
| Dollarhide 1AS Remote | 3/9/26 | 78.4 4.6 | 1535 | 38.9 0.2 | 0627 | 47.4 0.2 | 95 0 | 35 4 | 1.5 | 12.3 0.2 | 1638 | SW | 232 | - | - | - | - | 60 60 |
| Dollarhide 17B Remote | 3/9/26 | 78.8 3.9 | 1557 | 41.4 2.6 | 0653 | 49.2 0.3 | 100 4 | 34 1 | - | - | - | - | - | - | - | - | 60 60 |
| Dollarhide 18A Remote | 3/9/26 | 80.3 4.2 | 1534 | 36.8 0.4 | 0743 | 46.8 0.1 | 100 0 | 36 5 | - | - | - | - | - | - | - | - | 60 60 |
| Angwin | 3/9/26 | 68.3 3.2 | 1532 | 52.1 3.8 | 0348 | 44.0 1.5 | 80 23 | 31 5 | 4.8 | 14.8 6.5 | 0642 | NNW | 341 | 0.00 | 38.60 | 0.036 0.021 | 0 0 | 0 0 |
| Lower Angwin (Pioneer) | 3/9/26 | 69.9 5.2 | 1530 | 40.5 5.1 | 0020 | - | - | - | 3.1 | 13.2 2.3 | 1643 | W | 269 | - | - | - | - | 0 0 |
| Deer Park | 3/9/26 | 75.5 4.3 | 1638 | 49.3 5.3 | 0551 | 46.6 0.1 | 91 16 | 35 6 | 4.0 | 15.4 3.2 | 1336 | NNW | 340 | 0.00 | 23.61 | 0.117 0.009 | 321 3 | 60 60 |
| Lower Chiles Valley (Brown) | 3/9/26 | 75.8 4.9 | 1559 | 40.0 4.3 | 0708 | 46.4 0.0 | 100 3 | 39 12 | 1.9 | 15.3 4.6 | 1324 | WNW | 294 | 0.00 | 20.67 | 0.132 0.004 | 449 2 | 0 0 |
| Moss Creek Vineyard/Reservior | 3/9/26 | 78.8 0.0 | 1513 | 43.0 6.1 | 0710 | 48.5 0.7 | 100 7 | 36 6 | - | - | - | - | 0.00 | 23.37 | - | - | 0 0 |
| Max | 80.3 | - | 52.1 | - | 50.6 | 100 | 39 | 4.8 | 15.4 | - | - | 0.00 | 42.33 | 0.141 | 450 | - | |
| Avg | - | - | - | - | 47.2 | - | - | 2.8 | - | - | - | - | - | - | - | - | |
| Min | 68.3 | - | 36.8 | - | 44.0 | 80 | 31 | 1.5 | 12.3 | - | - | 0.00 | 19.16 | 0.036 | 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 | 3/9/26 | 77.8 4.3 | 1507 | 43.3 6.6 | 0734 | 41.2 8.2 | 99 6 | 34 1 | - | - | - | - | 0.00 | 27.89 | - | - | 60 10 |
| Fotsch (Maple Lane) | 3/9/26 | 75.9 3.7 | 1625 | 41.4 5.5 | 0743 | 44.5 1.8 | 97 3 | 26 3 | 3.3 | 15.6 1.3 | 1413 | WSW | 249 | 0.00 | 26.01 | - | - | 0 0 |
| Diamond Mtn (Schramsberg) | 3/9/26 | 75.1 4.3 | 1639 | 45.9 11.2 | 0101 | 46.7 1.6 | 86 20 | 37 8 | - | - | - | - | 0.00 | 26.40 | - | - | 0 0 |
| Diamond Mtn (McEachran) | 3/9/26 | 75.5 4.1 | 1605 | 47.4 5.2 | 0056 | 46.6 0.5 | 94 15 | 35 8 | - | - | - | - | - | - | - | - | 0 0 |
| St. Helena-North | 3/9/26 | 79.2 3.7 | 1607 | 44.4 5.3 | 0716 | 45.6 0.5 | 100 16 | 31 8 | 1.8 | 13.4 0.7 | 1355 | WNW | 300 | 0.00 | 26.66 | 0.110 0.006 | 354 1 | 80 20 |
| St. Helena (NVV Office) | 3/9/26 | 79.5 4.4 | 1623 | 45.3 5.7 | 0738 | - | - | - | 2.1 | 11.1 1.3 | 1349 | NW | 319 | 0.00 | 23.51 | - | - | 80 20 |
| Tiara Fria (East St. Helena) | 3/9/26 | 77.5 4.3 | 1632 | 43.5 3.6 | 0733 | 47.9 0.6 | 97 4 | 39 12 | 2.9 | 16.1 4.7 | 2057 | NW | 313 | 0.00 | 21.80 | - | - | 60 60 |
| Rutherford Hill Estate | 3/9/26 | 79.9 1.8 | 1715 | 49.0 4.6 | 0725 | 49.7 0.6 | 95 16 | 37 6 | 1.7 | 10.3 2.2 | 1430 | N | 1 | 0.00 | 21.35 | 0.117 0.006 | 386 4 | 60 60 |
| Rutherford-North (Mee Ln) | 3/9/26 | 80.6 2.1 | 1638 | 40.7 2.3 | 0652 | 48.0 1.1 | 96 3 | 36 7 | 2.2 | 13.2 2.0 | 1428 | NNW | 342 | 0.00 | 20.49 | 0.120 0.003 | 395 2 | 60 60 |
| Rutherford (STS) | 3/9/26 | 81.2 2.3 | 1555 | 43.1 2.1 | 0631 | 50.0 1.4 | 91 0 | 40 7 | 2.0 | 11.7 1.1 | 1333 | ESE | 121 | 0.00 | 21.65 | 0.137 0.008 | 470 7 | 60 60 |
| Oakville-NE (Ranch 88) | 3/9/26 | 79.7 3.0 | 1607 | 42.3 1.6 | 0739 | 47.7 0.3 | 99 7 | 33 7 | 1.3 | 11.4 1.8 | 1445 | N | 8 | 0.00 | 21.19 | 0.125 0.009 | 441 7 | 0 0 |
| OV561-East | 3/9/26 | 82.5 1.8 | 1603 | 42.9 2.6 | 0704 | - | - | - | - | - | - | - | - | - | - | - | 80 20 |
| Oakville | 3/9/26 | 80.0 1.3 | 1606 | 42.8 2.8 | 0755 | 48.4 0.4 | 98 5 | 35 6 | 2.4 | 10.7 2.9 | 1646 | SE | 132 | 0.00 | 21.73 | 0.131 0.009 | 452 2 | 60 60 |
| OV518-West | 3/9/26 | 77.4 1.8 | 1602 | 43.1 3.2 | 0731 | - | - | - | - | - | - | - | - | - | - | - | 60 60 |
| To Kalon Remote (TKKE) | 3/9/26 | 80.2 2.8 | 1615 | 41.8 4.4 | 0716 | - | - | - | - | - | - | - | - | - | - | - | 80 20 |
| To Kalon | 3/9/26 | 80.6 2.0 | 1555 | 43.2 5.1 | 0634 | 49.1 0.5 | 100 9 | 35 6 | 2.1 | 8.7 3.6 | 1501 | NW | 318 | 0.00 | 23.62 | 0.120 0.013 | 420 7 | 60 60 |
| To Kalon Remote (TKN5) | 3/9/26 | 80.3 2.2 | 1549 | 42.2 4.9 | 0722 | - | - | - | - | - | - | - | - | - | - | - | 80 20 |
| Yountville (Ranch 67) | 3/9/26 | 76.6 2.6 | 1519 | 42.4 3.2 | 0725 | 48.1 0.3 | 98 3 | 42 12 | 2.2 | 10.4 3.0 | 1836 | ENE | 75 | 0.00 | 19.96 | 0.128 0.011 | 457 1 | 0 0 |
| Stags Leap Dist (Silverado Vineyards) | 3/9/26 | 77.1 2.2 | 1512 | 43.1 3.2 | 0542 | 47.9 0.5 | 97 3 | 41 11 | 1.8 | 11.9 2.1 | 2029 | ESE | 113 | 0.00 | 23.91 | 0.129 0.016 | 439 14 | 0 0 |
| Borreo (Soda Canyon) | 3/9/26 | 74.2 2.5 | 1638 | 42.8 3.6 | 0101 | 48.0 0.1 | 98 7 | 46 11 | 1.8 | 10.1 0.4 | 1624 | SSE | 164 | 0.00 | 23.83 | 0.125 0.007 | 455 4 | 0 0 |
| Wappo Hill Floor | 3/9/26 | 78.6 2.6 | 1517 | 42.2 1.1 | 0515 | 48.8 0.8 | 100 0 | 42 10 | 2.0 | 12.1 0.9 | 1617 | SE | 134 | 0.00 | 23.28 | 0.128 0.006 | 434 3 | 60 60 |
| Stags Leap Dist (Chimney Rock) | 3/9/26 | 76.7 2.2 | 1511 | 43.7 0.4 | 0608 | 50.0 0.3 | 100 0 | 48 9 | 2.1 | 10.0 1.0 | 1623 | S | 170 | 0.00 | 22.51 | 0.116 0.006 | 405 2 | 0 0 |
| Yountville-South (Ranch 87) | 3/9/26 | 77.0 1.8 | 1444 | 43.9 1.5 | 0513 | 49.8 0.0 | 100 0 | 44 10 | 2.0 | 11.3 0.3 | 1541 | SSW | 195 | 0.00 | 23.66 | 0.113 0.009 | 377 4 | 80 20 |
| Yountville-SE (Ranch 85) | 3/9/26 | 78.3 1.9 | 1705 | 44.2 0.5 | 0616 | 49.5 0.2 | 100 5 | 44 9 | 1.6 | 11.4 0.4 | 1842 | SSE | 165 | 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) | 3/9/26 | 78.0 0.2 | 1610 | 45.5 0.2 | 0759 | 48.8 0.0 | 100 0 | 42 8 | 1.7 | 10.4 2.2 | 1545 | SSE | 167 | 0.00 | 22.69 | - | 0 0 | 60 60 |
| Napa-North (Ranch 29) | 3/9/26 | 76.0 2.2 | 1423 | 44.7 0.8 | 0622 | 49.2 0.5 | 100 0 | 44 6 | 1.9 | 12.5 0.7 | 1526 | S | 176 | 0.00 | 20.32 | 0.093 0.005 | 284 1 | 0 0 |
| Max | 82.5 | - | 49.0 | - | 50.0 | 100 | 48 | 3.3 | 16.1 | - | - | 0.00 | 27.89 | 0.137 | 470 | - | |
| Avg | - | - | - | - | 47.9 | - | - | 2.1 | - | - | - | - | - | - | - | - | |
| Min | 74.2 | - | 40.7 | - | 41.2 | 86 | 26 | 1.3 | 8.7 | - | - | 0.00 | 19.96 | 0.093 | 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 | 3/9/26 | 72.3 3.9 | 1353 | 47.6 11.3 | 0050 | 46.0 2.2 | 75 12 | 30 1 | 1.7 | 9.0 5.0 | 1356 | N | 350 | 0.00 | 29.29 | 0.099 0.007 | 317 8 | 0 0 |
| Mount George (Napa East) | 3/9/26 | 85.5 2.6 | 1657 | 44.1 2.5 | 0055 | 52.2 0.6 | 100 4 | 50 8 | 1.2 | 10.4 2.5 | 1733 | SSE | 168 | 0.00 | 11.88 | 0.129 0.004 | 450 3 | 0 0 |
| Napa-East (Palmaz 300') | 3/9/26 | 75.7 2.3 | 1616 | 44.6 4.1 | 0720 | 49.2 0.1 | 100 9 | 45 6 | 1.5 | 10.2 0.9 | 1731 | SW | 234 | 0.00 | 18.31 | 0.116 0.004 | 403 5 | 50 10 |
| Napa-East (Palmaz 1200') | 3/9/26 | 70.6 2.3 | 1500 | 43.0 5.0 | 0041 | 47.8 0.7 | 100 12 | 4 34 | 2.5 | 11.4 4.4 | 1611 | WNW | 292 | - | - | 0.115 0.012 | 432 5 | 0 0 |
| Napa-East (Palmaz 1400') | 3/9/26 | 70.5 4.4 | 1526 | 45.1 3.3 | 0035 | 48.3 1.3 | 100 15 | 48 10 | 2.8 | 11.0 4.3 | 1628 | W | 266 | 0.00 | 24.80 | 0.122 0.012 | 448 0 | 0 0 |
| Wooden Valley | 3/9/26 | 73.4 0.7 | 1530 | 39.4 1.6 | 0710 | 47.3 0.4 | 98 1 | 47 8 | 2.1 | 14.9 4.7 | 1510 | SW | 223 | 0.00 | 24.00 | 0.127 0.005 | 450 1 | 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) | 3/9/26 | 75.2 3.9 | 1605 | 46.1 4.5 | 0051 | 51.3 1.2 | 100 7 | 53 6 | 2.9 | 14.3 4.9 | 1831 | WSW | 245 | 0.00 | 13.94 | 0.070 0.003 | 222 2 | 50 10 |
| Toyon Remote 1 | 3/9/26 | 76.9 0.6 | 1520 | 40.9 2.1 | 0032 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 2 | 3/9/26 | 74.9 1.6 | 1559 | 42.6 2.8 | 0056 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 3 | 3/9/26 | 78.2 0.3 | 1608 | 41.2 2.2 | 0054 | - | - | - | - | - | - | - | - | - | - | - | - |
| Dealy Lane (Ranch 80) | 3/9/26 | 74.8 1.8 | 1607 | 43.5 4.0 | 0056 | 48.9 1.0 | 97 3 | 46 4 | 2.3 | 12.9 4.2 | 1820 | WNW | 294 | 0.00 | 19.35 | 0.127 0.003 | 457 2 | 0 0 |
| Carneros (Saintsbury) | 3/9/26 | 74.3 1.4 | 1543 | 43.7 4.6 | 0733 | 48.6 1.4 | 100 10 | 47 4 | 3.3 | 16.7 7.4 | 1835 | SW | 227 | 0.00 | 5.62 | - | - | 0 0 |
| Suscol Lower (Ranch 35) | 3/9/26 | 74.6 1.6 | 1613 | 44.8 0.6 | 0027 | 48.8 0.5 | - | - | 4.0 | 13.3 1.5 | 1646 | WSW | 250 | 0.00 | 18.31 | 0.122 0.005 | 422 3 | 0 0 |
| Suscol Mtn (Ranch 93) | 3/9/26 | 72.6 2.4 | 1605 | 47.2 7.6 | 0022 | 49.0 1.6 | 95 17 | 47 13 | 3.9 | 21.5 2.4 | 1816 | NW | 305 | 0.00 | 13.80 | - | - | 0 0 |
| Suscol Upper (Ranch 92) | 3/9/26 | 72.6 4.5 | 1615 | 47.2 7.1 | 0055 | 47.6 0.6 | 100 17 | 3 32 | 2.0 | 12.8 3.6 | 1640 | SSW | 211 | 0.00 | 18.16 | - | - | 0 0 |
| Stanly (Ranch 45) | 3/9/26 | 75.9 0.9 | 1610 | 44.3 2.2 | 0735 | 48.6 1.3 | 97 4 | 43 3 | 3.9 | 16.8 7.1 | 1815 | WSW | 255 | 0.00 | 19.65 | 0.144 0.003 | 492 3 | 0 0 |
| Carneros Upper (Ranch 81) | 3/9/26 | 73.3 2.6 | 1603 | 47.6 5.6 | 0021 | 38.2 10.7 | - | - | 7.3 | 24.0 9.4 | 1832 | W | 277 | - | - | - | - | 0 0 |
| Carneros (Mitsuko) | 3/9/26 | 73.6 2.9 | 1531 | 39.7 4.1 | 0046 | - | - | - | - | - | - | - | - | - | - | - | 0 0 |
| Carneros Lower (Ranch 81) | 3/9/26 | 78.3 2.4 | 1606 | 44.5 0.9 | 0656 | 41.9 6.7 | 100 0 | 0 0 | 1.3 | 10.2 0.4 | 2102 | NW | 324 | 0.00 | 16.94 | 0.092 0.010 | 318 21 | 0 0 |
| Carneros (Milton Rd) | 3/9/26 | 75.1 2.0 | 1607 | 45.0 2.1 | 0050 | 48.4 1.1 | 95 2 | 46 4 | - | - | - | - | 0.00 | 5.75 | - | - | 0 0 |
| Max | 85.5 | - | 47.6 | - | 52.2 | 100 | 53 | 7.3 | 24.0 | - | - | 0.00 | 29.29 | 0.144 | 492 | - | |
| Avg | - | - | - | - | 47.6 | - | - | 2.8 | - | - | - | - | - | - | - | - | |
| Min | 70.5 | - | 39.4 | - | 38.2 | 75 | 0 | 1.2 | 9.0 | - | - | 0.00 | 5.62 | 0.070 | 222 | - |