| 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 | 4/7/26 | 73.4 0.5 | 1709 | 38.0 6.2 | 0602 | - | - | - | - | - | - | - | 0.00 | 43.59 | - | - | 70 10 |
| Pope Valley (Weeks Lake) | 4/7/26 | 77.2 2.2 | 1618 | 34.9 0.5 | 0545 | 44.8 2.5 | 100 0 | 29 10 | 1.5 | 11.2 5.3 | 1332 | S | 175 | 0.00 | 22.17 | 0.153 0.016 | 524 13 | 100 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 | 4/7/26 | 79.0 1.6 | 1618 | 42.5 1.7 | 0646 | 48.9 1.2 | 100 0 | 32 9 | 3.2 | 16.2 3.6 | 1539 | SW | 224 | 0.00 | 19.65 | 0.184 0.024 | 594 14 | 100 0 |
| Dollarhide 1AS Remote | 4/7/26 | 78.5 0.1 | 1746 | 39.6 0.8 | 0650 | 47.8 2.2 | 95 0 | 34 11 | 2.5 | 15.7 0.8 | 1428 | SW | 220 | - | - | - | - | 100 0 |
| Dollarhide 17B Remote | 4/7/26 | 80.1 0.7 | 1708 | 39.1 1.2 | 0642 | 48.3 1.3 | 100 0 | 33 9 | - | - | - | - | - | - | - | - | 100 0 |
| Dollarhide 18A Remote | 4/7/26 | 78.1 0.8 | 1605 | 37.2 1.4 | 0700 | 47.3 2.4 | 100 0 | 34 12 | - | - | - | - | - | - | - | - | 100 0 |
| Angwin | 4/7/26 | 68.3 1.7 | 1614 | 47.0 6.5 | 0430 | 39.5 3.6 | 86 10 | 16 1 | 2.8 | 13.6 0.9 | 0524 | NW | 315 | 0.00 | 39.79 | 0.038 0.010 | 0 0 | 40 10 |
| Lower Angwin (Pioneer) | 4/7/26 | 70.3 0.8 | 1611 | 40.0 0.7 | 0113 | - | - | - | 2.5 | 14.8 1.3 | 1509 | SW | 228 | - | - | - | - | 50 10 |
| Deer Park | 4/7/26 | 76.0 0.2 | 1542 | 46.3 1.0 | 0201 | 47.1 1.7 | 95 2 | 32 11 | 4.0 | 15.7 1.5 | 1707 | W | 281 | 0.00 | 24.32 | 0.123 0.017 | 352 41 | 80 10 |
| Lower Chiles Valley (Brown) | 4/7/26 | 74.6 0.8 | 1705 | 45.9 7.1 | 0159 | 46.9 2.5 | 95 5 | 27 8 | 3.3 | 13.8 2.1 | 1321 | NW | 316 | 0.00 | 21.36 | 0.153 0.018 | 538 38 | 90 10 |
| Moss Creek Vineyard/Reservior | 4/7/26 | 79.4 1.8 | 1500 | 41.2 1.9 | 0655 | 47.3 1.9 | 100 6 | 27 2 | - | - | - | - | 0.00 | 23.90 | - | - | 100 20 |
| Max | 80.1 | - | 47.0 | - | 48.9 | 100 | 34 | 4.0 | 16.2 | - | - | 0.00 | 43.59 | 0.184 | 594 | - | |
| Avg | - | - | - | - | 46.4 | - | - | 2.8 | - | - | - | - | - | - | - | - | |
| Min | 68.3 | - | 34.9 | - | 39.5 | 86 | 16 | 1.5 | 11.2 | - | - | 0.00 | 19.65 | 0.038 | 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 | 4/7/26 | 78.9 0.9 | 1547 | 47.2 1.4 | 0130 | 49.3 0.6 | 95 0 | 34 0 | - | - | - | - | 0.00 | 28.45 | - | - | 40 20 |
| 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) | 4/7/26 | 75.5 0.9 | 1601 | 45.7 0.5 | 0147 | 47.6 2.6 | 100 0 | 35 15 | - | - | - | - | 0.00 | 27.04 | - | - | 80 10 |
| Diamond Mtn (McEachran) | 4/7/26 | 75.0 1.5 | 1610 | 47.1 0.3 | 0105 | 46.9 1.7 | 94 3 | 32 12 | - | - | - | - | - | - | - | - | 80 10 |
| St. Helena-North | 4/7/26 | 79.9 0.2 | 1517 | 46.7 2.0 | 0204 | 45.5 2.3 | 88 2 | 24 10 | 1.9 | 12.7 0.4 | 1556 | NW | 315 | 0.00 | 27.35 | 0.129 0.018 | 420 48 | 100 0 |
| St. Helena (NVV Office) | 4/7/26 | 80.7 0.4 | 1558 | 47.5 2.4 | 0144 | - | - | - | 1.3 | 9.5 1.6 | 1642 | NNW | 338 | 0.00 | 24.05 | - | - | 100 0 |
| Tiara Fria (East St. Helena) | 4/7/26 | 79.5 0.0 | 1605 | 46.8 2.2 | 0132 | 47.2 1.7 | 91 2 | 29 13 | 2.7 | 11.6 4.5 | 0557 | NW | 322 | 0.00 | 22.33 | - | - | 100 10 |
| Rutherford Hill Estate | 4/7/26 | 80.3 0.1 | 1647 | 47.2 0.4 | 0138 | 47.7 1.6 | 92 2 | 30 12 | 1.6 | 10.7 4.4 | 0757 | WSW | 248 | 0.00 | 21.81 | 0.136 0.011 | 470 15 | 90 10 |
| Rutherford-North (Mee Ln) | 4/7/26 | 80.4 0.6 | 1653 | 43.4 3.3 | 0145 | 47.3 1.8 | 95 1 | 27 8 | 2.1 | 9.9 4.2 | 1731 | WNW | 297 | 0.00 | 20.92 | 0.139 0.017 | 462 43 | 90 10 |
| Rutherford (STS) | 4/7/26 | 80.0 1.3 | 1652 | 43.9 1.6 | 0135 | 48.8 1.2 | 91 1 | 32 9 | 1.8 | 16.5 1.3 | 1643 | WSW | 246 | 0.00 | 22.08 | 0.159 0.020 | 544 54 | 90 10 |
| Oakville-NE (Ranch 88) | 4/7/26 | 78.4 2.4 | 1552 | 43.3 3.1 | 0219 | 45.7 3.2 | 90 4 | 32 18 | 2.2 | 14.6 3.7 | 1305 | SSE | 148 | 0.00 | 21.48 | 0.152 0.020 | 505 59 | 0 0 |
| OV561-East | 4/7/26 | 80.9 0.3 | 1706 | 45.6 2.7 | 0235 | - | - | - | - | - | - | - | - | - | - | - | 60 10 |
| Oakville | 4/7/26 | 76.7 1.9 | 1528 | 44.0 3.2 | 0117 | 46.8 1.4 | 96 0 | 35 11 | 3.0 | 13.3 2.3 | 1843 | SSE | 158 | 0.00 | 21.93 | 0.157 0.017 | 528 51 | 80 10 |
| OV518-West | 4/7/26 | 76.0 1.6 | 1631 | 45.0 3.4 | 0109 | - | - | - | - | - | - | - | - | - | - | - | 80 10 |
| To Kalon Remote (TKKE) | 4/7/26 | 79.9 0.9 | 1728 | 42.8 2.3 | 0154 | - | - | - | - | - | - | - | - | - | - | - | 70 10 |
| To Kalon | 4/7/26 | 78.0 0.4 | 1615 | 44.4 2.3 | 0107 | 47.9 1.4 | 97 0 | 37 9 | 2.6 | 13.5 0.0 | 1814 | SE | 146 | 0.00 | 23.88 | 0.150 0.011 | 504 28 | 80 10 |
| To Kalon Remote (TKN5) | 4/7/26 | 79.2 0.6 | 1601 | 44.3 3.7 | 0102 | - | - | - | - | - | - | - | - | - | - | - | 70 10 |
| Yountville (Ranch 67) | 4/7/26 | 75.4 1.6 | 1545 | 43.8 3.0 | 0252 | 45.7 1.0 | 94 1 | 36 18 | 2.8 | 12.6 2.5 | 1730 | SE | 137 | 0.00 | 20.20 | 0.161 0.011 | 574 44 | 80 10 |
| Stags Leap Dist (Silverado Vineyards) | 4/7/26 | 74.8 2.3 | 1539 | 43.6 2.9 | 0101 | 46.3 0.7 | 95 1 | 37 17 | 2.5 | 13.3 1.6 | 1751 | E | 94 | 0.00 | 24.16 | 0.148 0.016 | 489 67 | 90 10 |
| Borreo (Soda Canyon) | 4/7/26 | 72.5 0.3 | 1555 | 39.9 1.4 | 0316 | 45.6 0.6 | 97 0 | 39 2 | 1.7 | 9.7 1.7 | 1517 | ESE | 111 | 0.04 | 24.14 | 0.147 0.012 | 540 49 | 70 10 |
| Wappo Hill Floor | 4/7/26 | 76.8 0.1 | 1546 | 41.0 1.7 | 0125 | 47.0 0.9 | 100 0 | 37 0 | 2.6 | 12.2 1.3 | 1628 | ESE | 119 | 0.00 | 23.50 | 0.157 0.007 | 521 16 | 60 10 |
| Stags Leap Dist (Chimney Rock) | 4/7/26 | 75.0 0.1 | 1601 | 43.4 2.3 | 0323 | 48.4 0.7 | 99 0 | 43 1 | 2.6 | 12.6 2.4 | 1401 | SE | 129 | 0.00 | 22.77 | 0.138 0.009 | 471 30 | 80 10 |
| Yountville-South (Ranch 87) | 4/7/26 | 76.0 0.2 | 1615 | 42.6 0.1 | 0355 | 47.6 0.3 | 100 0 | 39 0 | 2.0 | 11.8 0.8 | 1519 | SSE | 148 | 0.00 | 23.91 | 0.146 0.001 | 498 3 | 10 10 |
| Yountville-SE (Ranch 85) | 4/7/26 | 76.0 0.3 | 1531 | 42.7 1.1 | 0300 | 47.4 0.3 | 97 0 | 39 0 | 2.2 | 11.9 1.7 | 1742 | S | 172 | 0.00 | 22.44 | - | 0 0 | 60 10 |
| Oak Knoll-East (Ranch 53) | 4/3/26 | 80.5 10.3 | 1722 | 45.0 4.7 | 0045 | 27.6 11.1 | 76 19 | 10 11 | 5.2 | 21.4 7.7 | 0509 | NNW | 341 | 0.00 | 20.76 | 0.206 0.064 | 539 11 | 50 20 |
| Napa-NW (Ranch 54) | 4/7/26 | 77.8 2.3 | 1602 | 43.0 0.6 | 0348 | 46.7 0.4 | 100 8 | 36 3 | 0.8 | 8.7 3.4 | 1520 | SSW | 202 | 0.00 | 23.03 | - | 0 0 | 90 10 |
| Napa-North (Ranch 29) | 4/7/26 | 73.8 0.4 | 1448 | 45.1 0.3 | 0418 | 47.6 0.2 | 100 0 | 40 2 | 1.9 | 12.5 1.3 | 1552 | SSE | 164 | 0.00 | 20.62 | 0.107 0.006 | 346 17 | 60 10 |
| Max | 80.9 | - | 47.5 | - | 49.3 | 100 | 43 | 3.0 | 16.5 | - | - | 0.04 | 28.45 | 0.161 | 574 | - | |
| Avg | - | - | - | - | 47.2 | - | - | 2.1 | - | - | - | - | - | - | - | - | |
| Min | 72.5 | - | 39.9 | - | 45.5 | 88 | 24 | 0.8 | 8.7 | - | - | 0.00 | 20.20 | 0.107 | 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 | 4/7/26 | 73.1 0.6 | 1505 | 42.4 4.6 | 0642 | 45.4 5.1 | 100 11 | 37 19 | 1.2 | 8.3 0.4 | 1339 | SSE | 162 | 0.00 | 29.86 | 0.122 0.011 | 433 23 | 80 10 |
| Mount George (Napa East) | 4/7/26 | 74.4 1.5 | 1458 | 50.4 4.1 | 0429 | 49.9 0.8 | 96 4 | 42 4 | 1.7 | 10.4 2.2 | 1501 | SSE | 148 | 0.00 | 12.38 | 0.144 0.013 | 520 48 | 80 10 |
| Napa-East (Palmaz 300') | 4/7/26 | 73.7 0.2 | 1601 | 47.8 3.5 | 0249 | 47.0 0.0 | 93 5 | 38 3 | 2.1 | 12.3 0.6 | 1530 | SW | 231 | 0.00 | 18.82 | 0.135 0.008 | 471 38 | 60 10 |
| Napa-East (Palmaz 1200') | 4/5/26 | 80.6 2.8 | 1545 | 47.9 1.1 | 0623 | 41.3 4.6 | 84 10 | 16 2 | 3.1 | 11.0 0.7 | 1200 | E | 96 | - | - | 0.168 0.008 | 514 36 | 90 20 |
| Napa-East (Palmaz 1400') | 4/7/26 | 68.0 1.2 | 1446 | 44.5 0.2 | 0642 | 46.9 0.2 | 100 0 | 46 6 | 3.1 | 14.2 0.1 | 2313 | NNW | 347 | 0.00 | 25.60 | 0.130 0.015 | 500 61 | 70 10 |
| Wooden Valley | 4/7/26 | 72.4 0.7 | 1512 | 46.7 4.3 | 0643 | 46.5 1.0 | 90 6 | 38 2 | 4.5 | 13.9 3.1 | 1428 | W | 273 | 0.00 | 24.50 | 0.156 0.011 | 578 2 | 40 10 |
| Napa-West Upper (Truchard) | 4/7/26 | 73.3 0.3 | 1433 | 43.9 1.8 | 0328 | 30.0 6.9 | 100 0 | 0 0 | 3.6 | 16.7 1.8 | 1454 | SSW | 192 | 0.00 | 20.48 | 0.151 0.011 | 511 55 | 60 10 |
| Napa-West Lower (Truchard) | 4/7/26 | 76.8 1.9 | 1453 | 39.3 1.4 | 0325 | 46.2 0.4 | 99 1 | 38 3 | - | - | - | - | - | - | - | - | 30 10 |
| Napa-South (Toyon Farms) | 4/7/26 | 72.7 1.6 | 1450 | 45.5 0.1 | 0323 | 49.1 0.1 | 98 0 | 48 3 | 3.4 | 13.0 4.5 | 1536 | SW | 229 | 0.00 | 14.27 | 0.086 0.006 | 285 12 | 60 10 |
| Toyon Remote 1 | 4/7/26 | 75.5 1.8 | 1542 | 38.0 1.1 | 0331 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 2 | 4/7/26 | 72.7 1.6 | 1438 | 41.6 0.8 | 0333 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 3 | 4/7/26 | 75.7 1.0 | 1525 | 41.3 0.7 | 0323 | - | - | - | - | - | - | - | - | - | - | - | - |
| Dealy Lane (Ranch 80) | 4/7/26 | 72.6 1.2 | 1450 | 44.0 1.4 | 0319 | 46.7 0.0 | 95 1 | 42 1 | 2.7 | 15.3 1.2 | 1546 | SW | 220 | 0.00 | 19.68 | 0.145 0.012 | 524 61 | 60 10 |
| Carneros (Saintsbury) | 4/7/26 | 71.8 1.3 | 1446 | 45.4 3.2 | 0317 | 47.0 0.1 | 96 4 | 42 4 | 4.7 | 16.8 3.6 | 1635 | SW | 228 | 0.00 | 5.97 | - | - | 40 10 |
| Suscol Lower (Ranch 35) | 4/7/26 | 73.6 2.1 | 1537 | 46.9 1.1 | 0316 | 46.6 0.5 | - | - | 4.7 | 17.3 0.9 | 1449 | SSW | 202 | 0.00 | 18.65 | 0.144 0.001 | 479 19 | 80 10 |
| Suscol Mtn (Ranch 93) | 4/7/26 | 71.5 1.5 | 1533 | 45.9 0.1 | 0327 | 46.3 0.5 | 99 1 | 44 1 | 8.2 | 21.6 2.2 | 1602 | NW | 325 | 0.00 | 14.30 | - | - | 80 10 |
| Suscol Upper (Ranch 92) | 4/7/26 | 68.7 0.8 | 1600 | 46.6 0.2 | 0346 | 39.2 6.5 | 100 0 | 3 0 | 5.7 | 16.7 3.4 | 1351 | SW | 218 | 0.00 | 18.55 | - | - | 80 10 |
| Stanly (Ranch 45) | 4/7/26 | 73.3 1.7 | 1525 | 46.2 3.4 | 0207 | 46.2 0.4 | 92 4 | 37 3 | 5.8 | 15.5 5.3 | 1712 | W | 266 | 0.00 | 20.12 | 0.170 0.004 | 572 40 | 60 10 |
| Carneros Upper (Ranch 81) | 4/7/26 | 71.0 2.8 | 1423 | 47.8 1.6 | 0257 | 46.3 18.7 | - | - | 10.3 | 23.8 8.0 | 1635 | WSW | 252 | - | - | - | - | 80 10 |
| Carneros (Mitsuko) | 4/7/26 | 71.9 2.1 | 1441 | 45.8 5.8 | 0313 | - | - | - | - | - | - | - | - | - | - | - | 40 10 |
| Carneros Lower (Ranch 81) | 4/7/26 | 75.3 2.8 | 1452 | 48.4 1.3 | 0307 | 47.6 0.4 | 92 8 | 41 2 | 0.8 | 10.9 0.9 | 1348 | NW | 309 | 0.00 | 16.94 | 0.121 0.005 | 435 30 | 40 10 |
| Carneros (Milton Rd) | 4/7/26 | 72.5 1.8 | 1443 | 46.0 3.5 | 0154 | 46.8 0.2 | 92 2 | 39 4 | - | - | - | - | 0.00 | 17.12 | - | - | 50 10 |
| Max | 76.8 | - | 50.4 | - | 49.9 | 100 | 48 | 10.3 | 23.8 | - | - | 0.00 | 29.86 | 0.170 | 578 | - | |
| Avg | - | - | - | - | 45.5 | - | - | 4.2 | - | - | - | - | - | - | - | - | |
| Min | 68.0 | - | 38.0 | - | 30.0 | 90 | 0 | 0.8 | 8.3 | - | - | 0.00 | 5.97 | 0.086 | 285 | - |