| 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 | 3/22/26 | 77.9 4.1 | 1548 | 48.3 0.3 | 0758 | - | - | - | - | - | - | - | 0.00 | 42.33 | - | - | 90 20 |
| Pope Valley (Weeks Lake) | 3/22/26 | 84.0 4.3 | 1540 | 37.4 7.6 | 0707 | 44.9 2.6 | 100 0 | 20 2 | 1.5 | 11.8 0.4 | 1535 | WSW | 242 | 0.00 | 21.60 | 0.150 0.011 | 456 1 | 60 20 |
| 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 | 3/22/26 | 85.6 4.1 | 1406 | 45.5 5.8 | 0706 | 50.8 2.8 | 99 1 | 28 1 | 2.6 | 16.7 0.7 | 1606 | SW | 218 | 0.00 | 19.16 | 0.177 0.007 | 517 9 | 60 20 |
| Dollarhide 1AS Remote | 3/14/26 | 81.7 1.0 | 1452 | 37.8 5.1 | 0742 | 46.2 3.0 | 95 0 | 28 2 | 1.7 | 12.6 2.7 | 1558 | SW | 228 | - | - | - | - | 100 0 |
| Dollarhide 17B Remote | 3/22/26 | 85.5 3.2 | 1538 | 41.7 5.5 | 0650 | 49.0 3.2 | 100 0 | 26 3 | - | - | - | - | - | - | - | - | 50 20 |
| Dollarhide 18A Remote | 3/22/26 | 84.7 4.1 | 1559 | 36.5 6.5 | 0701 | 47.3 2.6 | 100 0 | 28 0 | - | - | - | - | - | - | - | - | 50 20 |
| Angwin | 3/22/26 | 75.5 3.4 | 1509 | 60.4 2.4 | 0640 | 38.2 4.4 | 47 10 | 15 10 | 5.5 | 15.2 9.0 | 0339 | NW | 323 | 0.00 | 38.60 | 0.080 0.008 | 0 0 | 100 0 |
| Lower Angwin (Pioneer) | 3/22/26 | 77.2 3.5 | 1504 | 46.9 0.3 | 0057 | - | - | - | 3.6 | 13.3 5.0 | 1528 | SW | 230 | - | - | - | - | 100 0 |
| Deer Park | 3/22/26 | 83.6 3.3 | 1553 | 48.9 7.1 | 0646 | 46.6 0.2 | 80 14 | 23 0 | 2.2 | 9.6 8.0 | 2330 | N | 2 | 0.00 | 23.61 | 0.121 0.043 | 344 0 | 50 20 |
| Lower Chiles Valley (Brown) | 3/22/26 | 80.9 4.4 | 1513 | 39.0 5.3 | 0619 | 46.9 0.5 | 100 0 | 28 5 | 2.5 | 12.8 5.6 | 1422 | WNW | 287 | 0.00 | 20.67 | 0.155 0.021 | 488 4 | 90 20 |
| Moss Creek Vineyard/Reservior | 3/22/26 | 86.4 2.2 | 1450 | 44.9 6.1 | 0703 | 47.7 3.2 | 95 5 | 22 0 | - | - | - | - | 0.00 | 23.37 | - | - | 0 0 |
| Max | 86.4 | - | 60.4 | - | 50.8 | 100 | 28 | 5.5 | 16.7 | - | - | 0.00 | 42.33 | 0.177 | 517 | - | |
| Avg | - | - | - | - | 46.4 | - | - | 3.0 | - | - | - | - | - | - | - | - | |
| Min | 75.5 | - | 36.5 | - | 38.2 | 47 | 15 | 1.5 | 9.6 | - | - | 0.00 | 19.16 | 0.080 | 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 | 3/22/26 | 86.8 3.9 | 1407 | 42.7 6.7 | 0725 | 48.0 0.1 | 96 2 | 26 0 | - | - | - | - | 0.00 | 27.89 | - | - | 10 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) | 3/22/26 | 82.9 3.7 | 1513 | 48.4 6.0 | 0659 | 45.0 1.5 | 78 8 | 19 5 | - | - | - | - | 0.00 | 26.40 | - | - | 100 0 |
| Diamond Mtn (McEachran) | 3/22/26 | 83.8 2.0 | 1514 | 47.3 7.2 | 0730 | 46.7 0.2 | 88 15 | 21 2 | - | - | - | - | - | - | - | - | 60 20 |
| St. Helena-North | 3/22/26 | 85.8 5.8 | 1543 | 44.2 7.8 | 0711 | 45.2 0.2 | 88 4 | 19 1 | 1.7 | 9.0 4.4 | 1319 | SE | 146 | 0.00 | 26.66 | 0.127 0.015 | 382 11 | 50 20 |
| St. Helena (NVV Office) | 3/22/26 | 85.6 5.8 | 1719 | 45.0 7.2 | 0646 | - | - | - | 0.9 | 7.1 3.4 | 1857 | ESE | 123 | 0.00 | 23.51 | - | - | 50 20 |
| Tiara Fria (East St. Helena) | 3/22/26 | 83.2 6.5 | 1642 | 44.8 6.0 | 0707 | 48.2 0.1 | 93 3 | 33 12 | 2.0 | 10.1 8.3 | 1730 | SE | 135 | 0.00 | 21.80 | - | - | 50 20 |
| Rutherford Hill Estate | 3/22/26 | 84.6 6.3 | 1554 | 48.7 6.8 | 0707 | 48.9 1.4 | 86 2 | 33 11 | 1.5 | 9.6 5.3 | 1713 | S | 175 | 0.00 | 21.35 | 0.127 0.020 | 410 7 | 50 20 |
| Rutherford-North (Mee Ln) | 3/22/26 | 84.6 5.1 | 1552 | 41.7 4.7 | 0716 | 48.6 1.2 | 94 2 | 35 12 | 2.0 | 12.3 5.5 | 1818 | SE | 133 | 0.00 | 20.49 | 0.134 0.022 | 423 2 | 50 20 |
| Rutherford (STS) | 3/22/26 | 84.0 7.1 | 1542 | 41.8 6.2 | 0723 | 50.7 2.0 | 92 1 | 40 14 | 1.6 | 11.2 2.7 | 1739 | SE | 131 | 0.00 | 21.65 | 0.152 0.017 | 502 1 | 50 20 |
| Oakville-NE (Ranch 88) | 3/22/26 | 82.8 8.0 | 1545 | 40.9 7.3 | 0657 | 46.6 2.5 | 92 5 | 34 14 | 1.9 | 13.0 2.1 | 1850 | S | 187 | 0.00 | 21.19 | 0.151 0.006 | 477 8 | 0 0 |
| OV561-East | 3/22/26 | 83.3 8.4 | 1604 | 43.3 6.3 | 0723 | - | - | - | - | - | - | - | - | - | - | - | 50 20 |
| Oakville | 3/22/26 | 81.4 6.5 | 1559 | 42.3 6.3 | 0707 | 48.2 3.5 | 97 0 | 36 12 | 2.8 | 13.1 0.7 | 1826 | SE | 129 | 0.00 | 21.73 | 0.155 0.002 | 485 7 | 50 20 |
| OV518-West | 3/22/26 | 81.8 4.9 | 1548 | 43.3 5.9 | 0656 | - | - | - | - | - | - | - | - | - | - | - | 50 20 |
| To Kalon Remote (TKKE) | 3/22/26 | 84.5 7.8 | 1617 | 41.0 7.1 | 0651 | - | - | - | - | - | - | - | - | - | - | - | 50 20 |
| To Kalon | 3/22/26 | 82.1 7.9 | 1540 | 42.7 7.0 | 0620 | 48.6 3.4 | 96 2 | 37 15 | 2.7 | 13.1 2.6 | 1908 | SSE | 148 | 0.00 | 23.62 | 0.147 0.002 | 445 7 | 50 20 |
| To Kalon Remote (TKN5) | 3/22/26 | 84.2 6.4 | 1557 | 42.8 6.3 | 0647 | - | - | - | - | - | - | - | - | - | - | - | 50 20 |
| Yountville (Ranch 67) | 3/22/26 | 80.3 5.2 | 1545 | 41.9 6.6 | 0708 | 48.1 4.6 | 96 0 | 38 4 | 2.6 | 14.6 0.4 | 1825 | ESE | 118 | 0.00 | 19.96 | 0.154 0.003 | 510 24 | 90 20 |
| Stags Leap Dist (Silverado Vineyards) | 3/22/26 | 79.7 6.0 | 1555 | 42.2 5.8 | 0602 | 47.9 4.6 | 97 0 | 37 3 | 2.3 | 13.8 1.9 | 1825 | ENE | 59 | 0.00 | 23.91 | 0.151 0.001 | 483 19 | 70 20 |
| Borreo (Soda Canyon) | 3/22/26 | 78.6 4.8 | 1550 | 43.1 3.4 | 0733 | 47.7 4.3 | 97 0 | 38 2 | 1.6 | 8.7 0.6 | 1443 | S | 181 | 0.00 | 23.83 | 0.143 0.006 | 500 12 | 0 0 |
| Wappo Hill Floor | 3/22/26 | 82.0 6.1 | 1541 | 39.7 5.9 | 0716 | 48.3 4.0 | 100 0 | 36 3 | 2.4 | 12.2 1.4 | 1801 | SE | 125 | 0.00 | 23.28 | 0.151 0.005 | 458 2 | 50 20 |
| Stags Leap Dist (Chimney Rock) | 3/22/26 | 80.9 5.6 | 1624 | 41.9 6.8 | 0706 | 49.4 4.4 | 100 0 | 40 3 | 2.5 | 12.4 1.5 | 1827 | SE | 134 | 0.00 | 22.51 | 0.138 0.004 | 433 8 | 60 20 |
| Yountville-South (Ranch 87) | 3/22/26 | 81.4 5.5 | 1601 | 43.7 5.6 | 0525 | 49.7 4.3 | 100 0 | 39 4 | 2.2 | 11.8 2.2 | 1826 | ESE | 109 | 0.00 | 23.66 | 0.130 0.007 | 397 8 | 50 20 |
| Yountville-SE (Ranch 85) | 3/22/26 | 81.3 6.1 | 1553 | 43.6 5.6 | 0708 | 49.4 4.3 | 100 0 | 38 5 | 2.0 | 12.6 2.7 | 1817 | SE | 139 | 0.00 | 22.19 | - | 0 0 | 60 20 |
| Oak Knoll-East (Ranch 53) | 3/22/26 | 81.3 6.0 | 1532 | 44.1 6.0 | 0702 | 47.8 4.2 | 93 1 | 34 3 | 1.9 | 10.3 2.2 | 1745 | SE | 143 | 0.00 | 20.46 | 0.141 0.006 | 448 14 | 50 20 |
| Napa-NW (Ranch 54) | 3/22/26 | 80.3 6.0 | 1642 | 44.8 4.8 | 0723 | 48.0 4.8 | 93 7 | 34 1 | 1.8 | 11.5 1.6 | 1554 | SE | 143 | 0.00 | 22.69 | - | 0 0 | 70 20 |
| Napa-North (Ranch 29) | 3/22/26 | 79.8 7.1 | 1559 | 44.7 6.8 | 0706 | 49.4 4.2 | 100 0 | 38 6 | 1.5 | 11.1 1.8 | 1739 | SSW | 200 | 0.00 | 20.32 | 0.099 0.010 | 291 9 | 60 20 |
| Max | 86.8 | - | 48.7 | - | 50.7 | 100 | 40 | 2.8 | 14.6 | - | - | 0.00 | 27.89 | 0.155 | 510 | - | |
| Avg | - | - | - | - | 48.1 | - | - | 2.0 | - | - | - | - | - | - | - | - | |
| Min | 78.6 | - | 39.7 | - | 45.0 | 78 | 19 | 0.9 | 7.1 | - | - | 0.00 | 19.96 | 0.099 | 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 | 3/22/26 | 79.0 3.6 | 1457 | 58.5 0.5 | 0029 | 44.5 1.0 | 62 2 | 21 9 | 1.4 | 7.8 2.0 | 1428 | ENE | 74 | 0.00 | 29.29 | 0.160 0.018 | 553 130 | 100 0 |
| Mount George (Napa East) | 3/22/26 | 80.7 3.2 | 1552 | 44.4 4.0 | 0619 | 49.0 5.4 | 98 1 | 37 3 | 1.2 | 8.2 0.2 | 1552 | W | 262 | 0.00 | 11.88 | 0.141 0.006 | 495 13 | 40 20 |
| Napa-East (Palmaz 300') | 3/22/26 | 80.8 4.5 | 1556 | 44.9 5.0 | 0729 | 49.0 4.4 | 100 3 | 35 1 | 1.6 | 8.6 1.9 | 1420 | W | 281 | 0.00 | 18.31 | 0.132 0.005 | 445 11 | 90 20 |
| 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') | 3/22/26 | 76.2 4.6 | 1525 | 46.1 2.7 | 0446 | 46.8 3.6 | 90 1 | 33 4 | 2.3 | 9.9 2.2 | 1246 | SW | 214 | 0.00 | 24.80 | 0.146 0.006 | 486 6 | 100 0 |
| Wooden Valley | 3/22/26 | 78.7 4.8 | 1536 | 42.9 7.5 | 0657 | 48.1 4.0 | 97 1 | 34 5 | 2.6 | 12.6 1.2 | 1306 | SW | 231 | 0.00 | 24.00 | 0.152 0.003 | 494 10 | 100 0 |
| Napa-West Upper (Truchard) | 3/22/26 | 79.8 5.8 | 1542 | 48.6 2.9 | 0455 | 49.2 4.4 | 100 0 | 38 5 | 2.7 | 12.3 2.5 | 1727 | S | 186 | 0.00 | 20.16 | 0.154 0.008 | 489 13 | 0 0 |
| Napa-West Lower (Truchard) | 3/22/26 | 82.0 6.1 | 1531 | 40.0 2.9 | 0617 | 47.0 4.6 | 100 0 | 39 7 | - | - | - | - | - | - | - | - | 60 20 |
| Napa-South (Toyon Farms) | 3/22/26 | 79.1 5.8 | 1539 | 47.1 3.3 | 0702 | 50.9 4.9 | 100 0 | 47 6 | 2.6 | 9.8 1.7 | 1642 | S | 172 | 0.00 | 13.94 | 0.080 0.008 | 235 8 | 40 10 |
| Toyon Remote 1 | 3/22/26 | 78.7 7.0 | 1541 | 40.3 2.5 | 0657 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 2 | 3/22/26 | 77.6 7.0 | 1547 | 42.4 2.7 | 0643 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 3 | 3/22/26 | 79.3 8.9 | 1530 | 42.7 2.6 | 0722 | - | - | - | - | - | - | - | - | - | - | - | - |
| Dealy Lane (Ranch 80) | 3/22/26 | 78.9 6.0 | 1558 | 45.8 1.6 | 0101 | 47.8 4.1 | 94 2 | 38 5 | 2.3 | 10.7 1.7 | 1219 | SE | 145 | 0.00 | 19.35 | 0.147 0.007 | 502 12 | 0 0 |
| Carneros (Saintsbury) | 3/22/26 | 76.3 6.9 | 1526 | 43.5 4.3 | 0715 | 48.4 4.1 | 100 0 | 44 6 | 2.9 | 10.8 3.2 | 1808 | WSW | 242 | 0.00 | 5.62 | - | - | 0 0 |
| Suscol Lower (Ranch 35) | 3/22/26 | 77.0 5.8 | 1540 | 45.3 5.9 | 0638 | 48.4 3.7 | - | - | 3.7 | 11.8 5.8 | 1642 | SSW | 197 | 0.00 | 18.31 | 0.137 0.016 | 457 8 | 0 0 |
| Suscol Mtn (Ranch 93) | 3/22/26 | 77.1 3.5 | 1528 | 50.8 0.8 | 0700 | 47.0 3.3 | 91 1 | 35 3 | 2.9 | 11.9 2.5 | 1546 | WNW | 293 | 0.00 | 13.80 | - | - | 90 10 |
| Suscol Upper (Ranch 92) | 3/22/26 | 78.6 2.9 | 1510 | 49.6 1.6 | 0734 | 48.1 3.3 | 94 1 | 35 4 | 1.3 | 9.0 4.2 | 0251 | S | 188 | 0.00 | 18.16 | - | - | 90 10 |
| Stanly (Ranch 45) | 3/22/26 | 77.2 8.0 | 1558 | 45.4 5.5 | 0307 | 48.7 3.5 | 93 2 | 41 7 | 3.7 | 11.4 3.4 | 1741 | SSW | 193 | 0.00 | 19.65 | 0.157 0.019 | 527 3 | 0 0 |
| Carneros Upper (Ranch 81) | 3/22/26 | 79.6 3.7 | 1527 | 49.8 3.2 | 0445 | 47.2 4.1 | - | - | 5.5 | 19.7 5.1 | 1823 | WSW | 239 | - | - | - | - | 90 10 |
| Carneros (Mitsuko) | 3/22/26 | 76.8 6.2 | 1557 | 39.4 3.2 | 0622 | - | - | - | - | - | - | - | - | - | - | - | 0 0 |
| Carneros Lower (Ranch 81) | 3/22/26 | 78.7 10.5 | 1554 | 43.0 4.6 | 0659 | 46.8 5.0 | 100 0 | 0 0 | 1.4 | 10.4 1.9 | 1458 | SE | 146 | 0.00 | 16.94 | 0.117 0.003 | 397 22 | 0 0 |
| Carneros (Milton Rd) | 3/22/26 | 76.4 7.2 | 1518 | 43.1 4.6 | 0707 | 48.1 3.8 | 95 1 | 43 6 | - | - | - | - | 0.00 | 17.00 | - | - | 0 0 |
| Max | 82.0 | - | 58.5 | - | 50.9 | 100 | 47 | 5.5 | 19.7 | - | - | 0.00 | 29.29 | 0.160 | 553 | - | |
| Avg | - | - | - | - | 47.9 | - | - | 2.5 | - | - | - | - | - | - | - | - | |
| Min | 76.2 | - | 39.4 | - | 44.5 | 62 | 0 | 1.2 | 7.8 | - | - | 0.00 | 5.62 | 0.080 | 235 | - |