| 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 | 6/27/26 | 76.8 2.2 | 1611 | 43.9 5.1 | 0047 | - | - | - | - | - | - | - | 0.00 | 50.54 | - | - | 90 10 |
| Pope Valley (Weeks Lake) | 6/27/26 | 81.9 3.2 | 1559 | 46.5 5.9 | 0550 | 46.8 4.6 | 100 17 | 28 6 | 2.4 1.6 | 14.9 7.7 | 1721 | WSW | 239 | 0.00 | 26.64 | 0.205 0.019 | 618 3 | 60 20 |
| Dollarhide Base | 6/27/26 | 85.0 2.1 | 1626 | 54.5 2.7 | 0512 | 51.6 3.1 | 88 8 | 31 9 | 3.8 3.1 | 17.3 6.0 | 1816 | SSW | 210 | 0.00 | 23.55 | 0.245 0.019 | 731 11 | 20 20 |
| Dollarhide 1AS Remote | 6/27/26 | 86.1 0.6 | 1628 | 47.6 10.2 | 0553 | 50.4 3.6 | 93 13 | 29 9 | 3.1 2.9 | 15.6 4.7 | 1738 | SW | 223 | - | - | - | - | 20 20 |
| Dollarhide 16A Remote | 6/27/26 | 85.6 2.1 | 1620 | 52.8 4.5 | 0605 | 51.7 3.1 | 94 11 | 31 8 | - | - | - | - | - | - | - | - | 50 20 |
| Dollarhide 18A Remote | 6/27/26 | 83.5 1.2 | 1707 | 46.2 11.4 | 0624 | 50.0 3.6 | 96 18 | 31 10 | - | - | - | - | - | - | - | - | 60 20 |
| Hardin Rd (Eakle) | 6/27/26 | 83.1 3.6 | 1617 | 52.5 5.3 | 0044 | - | - | - | - | - | - | - | - | - | - | - | 50 20 |
| Angwin | 6/27/26 | 73.2 1.3 | 1529 | 49.6 2.8 | 0608 | 46.5 2.3 | 93 0 | 39 2 | 2.8 0.6 | 15.9 0.1 | 0208 | W | 264 | 0.00 | 46.17 | 0.033 0.003 | 0 0 | 80 10 |
| Lower Angwin (Pioneer) | 6/27/26 | 74.8 2.5 | 1545 | 40.0 11.0 | 0059 | - | - | - | 2.8 0.8 | 12.6 6.4 | 1807 | W | 267 | - | - | - | - | 100 0 |
| Las Posadas (Cal Fire) | 6/27/26 | 76.4 3.1 | 1613 | 49.8 4.1 | 0056 | 48.6 3.0 | 86 0 | 37 8 | 8.3 5.2 | 20.4 8.2 | 1750 | SSW | 213 | 0.00 | 35.41 | 0.214 0.017 | 605 24 | - |
| Deer Park | 6/27/26 | 81.6 1.5 | 1533 | 56.5 5.1 | 0049 | 48.5 4.0 | 80 11 | 30 8 | 4.7 0.1 | 15.3 4.4 | 1721 | WSW | 237 | 0.00 | 29.37 | 0.196 0.012 | 520 30 | 100 0 |
| Lower Chiles Valley (Brown) | 6/27/26 | 79.7 1.4 | 1509 | 50.9 0.0 | 0055 | 48.6 4.0 | 82 11 | 30 10 | 3.7 0.1 | 15.8 6.6 | 0219 | SW | 234 | 0.00 | 26.24 | 0.218 0.008 | 703 27 | 100 0 |
| Moss Creek Vineyard/Reservior | 6/27/26 | 82.1 1.6 | 1431 | 52.7 3.0 | 0047 | 48.5 2.7 | 87 5 | 29 5 | - | - | - | - | 0.00 | 27.15 | - | - | 50 20 |
| Max | 86.1 | - | 56.5 | - | 51.7 | 100 | 39 | 8.3 | 20.4 | - | - | 0.00 | 50.54 | 0.245 | 731 | - | |
| Avg | - | - | - | - | 49.1 | - | - | 3.9 | - | - | - | - | - | - | - | - | |
| Min | 73.2 | - | 40.0 | - | 46.5 | 80 | 28 | 2.4 | 12.6 | - | - | 0.00 | 23.55 | 0.033 | 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 | 6/27/26 | 85.5 0.2 | 1404 | 50.2 2.6 | 0059 | 51.4 3.8 | 83 9 | 33 9 | - | - | - | - | 0.00 | 32.79 | - | - | 100 20 |
| Diamond Mtn (Schramsberg) | 6/27/26 | 79.8 2.6 | 1530 | 54.1 3.1 | 0059 | 48.2 4.4 | 82 12 | 33 5 | - | - | - | - | 0.00 | 31.46 | - | - | 100 0 |
| Diamond Mtn (McEachran) | 6/27/26 | 78.5 1.0 | 1502 | 54.4 2.3 | 0059 | 48.7 4.3 | 80 12 | 34 8 | - | - | - | - | - | - | - | - | 100 0 |
| St. Helena-North | 6/27/26 | 83.3 1.9 | 1511 | 53.8 0.7 | 0058 | 47.3 4.1 | 76 7 | 27 5 | 1.9 | 15.8 3.9 | 1543 | SSW | 192 | 0.00 | 31.48 | 0.187 0.010 | 558 25 | 40 20 |
| St. Helena (NVV Office) | 6/27/26 | 84.5 1.0 | 1400 | 54.5 0.1 | 0101 | - | - | - | 1.8 | 10.6 2.9 | 1756 | SW | 226 | 0.00 | 29.13 | - | - | 100 0 |
| Tiara Fria (East St. Helena) | 6/27/26 | 82.0 0.6 | 1532 | 52.7 1.2 | 0101 | 50.0 3.8 | 85 1 | 31 8 | 2.6 | 13.2 2.8 | 1611 | SW | 229 | 0.00 | 27.01 | - | - | 100 0 |
| Prisoner Winery | 6/27/26 | 83.5 0.2 | 1535 | 50.6 1.4 | 0048 | 49.2 4.1 | 86 6 | 30 7 | 2.4 | 11.4 5.5 | 1736 | SSW | 195 | 0.00 | 24.50 | 0.217 0.004 | 680 8 | 100 0 |
| Rutherford Hill Estate | 6/27/26 | 85.7 0.4 | 1631 | 54.7 3.1 | 0057 | 49.6 4.0 | 83 8 | 29 8 | 2.2 | 14.5 2.2 | 2012 | SSW | 195 | 0.00 | 25.35 | 0.189 0.006 | 574 13 | 100 0 |
| Rutherford-North (Mee Ln) | 6/27/26 | 83.5 0.5 | 1509 | 49.2 1.7 | 0056 | 49.2 3.9 | 84 5 | 30 7 | 3.4 | 16.9 1.5 | 2002 | SSE | 152 | 0.00 | 24.87 | 0.212 0.007 | 618 3 | 100 0 |
| Rutherford (STS) | 6/27/26 | 85.0 0.9 | 1448 | 48.8 3.6 | 0036 | 52.4 3.4 | 91 1 | 33 7 | 2.9 | 14.7 4.5 | 1911 | E | 93 | 0.00 | 26.10 | 0.244 0.021 | 759 57 | 100 0 |
| Oakville-NE (Ranch 88) | 6/27/26 | 83.8 0.1 | 1521 | 48.6 4.4 | 0056 | 47.8 4.4 | 83 1 | 25 9 | 2.6 | 16.8 4.2 | 1916 | SSE | 159 | 0.00 | 25.32 | 0.215 0.008 | 647 13 | 100 0 |
| OV561-East | 6/27/26 | 83.3 1.4 | 1537 | 51.7 1.8 | 0101 | - | - | - | - | - | - | - | - | - | - | - | 100 0 |
| Oakville | 6/27/26 | 81.2 0.2 | 1534 | 49.8 3.3 | 0101 | 49.3 3.9 | 84 4 | 27 11 | 3.5 | 15.9 4.8 | 1913 | ESE | 114 | 0.00 | 26.11 | 0.230 0.014 | 708 33 | 100 0 |
| OV518-West | 6/27/26 | 80.8 0.9 | 1743 | 50.5 2.9 | 0101 | - | - | - | - | - | - | - | - | - | - | - | 100 0 |
| To Kalon Remote (TKKE) | 6/27/26 | 83.4 0.0 | 1506 | 49.1 4.5 | 0101 | - | - | - | - | - | - | - | - | - | - | - | 100 0 |
| To Kalon | 6/27/26 | 83.0 1.8 | 1458 | 50.1 2.6 | 0040 | 50.1 3.9 | 88 3 | 30 10 | 3.2 | 20.1 0.8 | 1455 | NE | 53 | 0.00 | 28.00 | 0.208 0.007 | 630 4 | 100 0 |
| To Kalon Remote (TKN5) | 6/27/26 | 82.3 0.2 | 1500 | 50.2 3.4 | 0049 | - | - | - | - | - | - | - | - | - | - | - | 100 0 |
| Yountville (Ranch 67) | 6/27/26 | 79.4 2.8 | 1414 | 50.4 3.1 | 0059 | 48.6 3.3 | 89 2 | 32 6 | 3.4 | 15.6 1.5 | 1831 | SE | 131 | 0.00 | 24.03 | 0.232 0.018 | 742 38 | 100 0 |
| Stags Leap Dist (Silverado Vineyards) | 6/27/26 | 78.7 4.7 | 1455 | 50.5 3.1 | 0054 | 49.0 3.5 | 89 0 | 32 7 | 2.6 | 16.8 3.9 | 1739 | SSE | 150 | 0.00 | 28.04 | 0.222 0.021 | 683 40 | 100 0 |
| Borreo (Soda Canyon) | 6/27/26 | 76.4 2.9 | 1450 | 48.0 3.6 | 0040 | 48.2 3.4 | 95 1 | 33 7 | 2.1 | 13.6 1.1 | 1700 | SE | 129 | 0.00 | 27.74 | 0.212 0.008 | 694 23 | 100 20 |
| Wappo Hill Floor | 6/27/26 | 79.3 6.7 | 1516 | 49.4 4.6 | 0101 | 50.2 3.2 | 100 11 | 34 1 | 3.2 | 16.0 2.1 | 1639 | SSE | 152 | 0.00 | 27.12 | 0.226 0.014 | 697 48 | 100 0 |
| Stags Leap Dist (Chimney Rock) | 6/27/26 | 79.1 4.5 | 1419 | 49.6 4.8 | 0101 | 52.5 2.8 | 96 5 | 42 4 | 3.1 | 14.8 2.3 | 1625 | SSE | 162 | 0.00 | 26.50 | 0.205 0.016 | 637 48 | 100 0 |
| Yountville-South (Ranch 87) | 6/27/26 | 79.1 4.5 | 1543 | 50.5 3.4 | 0101 | 50.9 3.3 | 94 1 | 35 3 | 2.6 | 14.8 1.1 | 1815 | S | 171 | 0.00 | 27.76 | 0.227 0.019 | 723 60 | 100 10 |
| Yountville-SE (Ranch 85) | 6/27/26 | 79.8 4.2 | 1433 | 52.7 1.6 | 0059 | 51.1 3.1 | 94 4 | 36 3 | 2.7 | 12.1 1.8 | 1919 | S | 172 | 0.00 | 26.09 | - | 0 0 | 100 0 |
| Oak Knoll-East (Ranch 53) | 6/27/26 | 78.5 1.7 | 1423 | 50.9 3.0 | 0101 | 49.7 3.6 | 91 1 | 35 6 | 2.7 | 14.4 2.8 | 1533 | SSW | 200 | 0.00 | 24.76 | 0.226 0.018 | 727 58 | 100 0 |
| Napa-NW (Ranch 54) | 6/27/26 | 79.6 2.2 | 1711 | 50.6 1.8 | 0052 | 50.1 3.0 | 92 1 | 32 5 | 1.5 | 13.6 3.2 | 1457 | SSW | 207 | 0.00 | 27.13 | - | 0 0 | 100 0 |
| Napa-North (Ranch 29) | 6/27/26 | 77.4 0.7 | 1445 | 52.3 2.2 | 0058 | 51.0 3.0 | 93 4 | 38 6 | 2.8 | 17.0 0.9 | 1346 | S | 177 | 0.00 | 25.63 | 0.156 0.010 | 442 12 | 100 0 |
| Max | 85.7 | - | 54.7 | - | 52.5 | 100 | 42 | 3.5 | 20.1 | - | - | 0.00 | 32.79 | 0.244 | 759 | - | |
| Avg | - | - | - | - | 49.8 | - | - | 2.7 | - | - | - | - | - | - | - | - | |
| Min | 76.4 | - | 48.0 | - | 47.3 | 76 | 25 | 1.5 | 10.6 | - | - | 0.00 | 24.03 | 0.156 | 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 | 6/27/26 | 72.2 5.7 | 1211 | 52.6 2.0 | 0557 | 48.0 3.7 | 91 1 | 39 4 | 2.5 | 13.7 1.4 | 1619 | S | 174 | 0.00 | 34.60 | 0.202 0.008 | 744 17 | 80 10 |
| Mount George (Napa East) | 6/27/26 | 77.3 1.8 | 1611 | 53.0 3.2 | 0057 | 52.7 2.9 | 93 1 | 39 9 | 2.3 | 16.9 2.0 | 1252 | SW | 227 | 0.00 | 17.28 | 0.211 0.007 | 688 18 | 100 0 |
| Napa-East (Palmaz 300') | 6/27/26 | 79.1 0.4 | 1607 | 51.9 2.2 | 0025 | 51.1 2.9 | 92 1 | 35 9 | 2.7 | 14.2 2.7 | 1534 | SSW | 196 | 0.00 | 23.52 | 0.187 0.009 | 573 25 | 100 0 |
| Napa-East (Palmaz 1200') | 6/25/26 | 71.0 0.5 | 1732 | 50.7 5.4 | 0052 | 44.4 2.1 | 100 0 | 50 38 | 2.5 | 13.7 0.9 | 1410 | NW | 312 | - | - | 0.161 0.015 | 572 79 | 0 10 |
| Napa-East (Palmaz 1400') | 6/27/26 | 72.9 1.8 | 1236 | 48.9 0.2 | 0101 | 50.3 3.1 | 100 0 | 42 8 | 3.2 | 17.0 4.6 | 1304 | SW | 226 | 0.00 | 31.03 | 0.199 0.023 | 689 72 | 10 10 |
| Wooden Valley | 6/27/26 | 75.0 1.8 | 1548 | 49.4 3.2 | 0041 | 48.6 3.0 | 86 4 | 35 9 | 4.0 | 17.3 6.4 | 1524 | SW | 233 | 0.00 | 29.46 | 0.215 0.017 | 705 44 | 100 0 |
| Napa-West Upper (Truchard) | 6/27/26 | 80.1 1.8 | 1427 | 50.6 1.8 | 0058 | 47.6 7.1 | 100 0 | 0 45 | 5.1 | 18.3 5.2 | 1544 | SSW | 213 | 0.00 | 24.70 | 0.232 0.024 | 675 29 | 100 0 |
| Napa-West Lower (Truchard) | 6/27/26 | 80.8 1.1 | 1432 | 44.6 8.2 | 0051 | 49.4 4.1 | 90 1 | 33 9 | - | - | - | - | - | - | - | - | 100 0 |
| Napa-South (Toyon Farms) | 6/27/26 | 77.5 1.3 | 1420 | 52.1 1.8 | 0059 | 53.2 2.7 | 95 0 | 44 9 | 4.3 | 16.2 3.9 | 1810 | SSW | 196 | 0.00 | 18.70 | 0.131 0.018 | 361 9 | 100 0 |
| Toyon Remote 1 | 6/27/26 | 81.3 0.3 | 1456 | 46.1 7.6 | 0056 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 2 | 6/27/26 | 78.1 0.7 | 1343 | 47.0 7.4 | 0059 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 3 | 6/27/26 | 81.5 1.0 | 1450 | 47.2 6.4 | 0100 | - | - | - | - | - | - | - | - | - | - | - | - |
| Dealy Lane (Ranch 80) | 6/27/26 | 77.3 1.8 | 1432 | 49.1 4.6 | 0014 | 49.8 3.7 | 89 1 | 36 10 | 3.0 | 13.5 11.8 | 1505 | SW | 218 | 0.00 | 23.81 | 0.217 0.027 | 707 73 | 100 0 |
| Carneros (Saintsbury) | 6/27/26 | 77.6 1.2 | 1503 | 49.3 3.7 | 0054 | 50.2 3.5 | 92 0 | 37 11 | 6.5 | 17.8 10.6 | 1530 | SSW | 198 | 0.00 | 8.94 | - | - | 80 20 |
| Suscol Lower (Ranch 35) | 6/27/26 | 76.1 2.9 | 1525 | 52.0 1.5 | 0056 | 50.3 3.0 | - | - | 7.1 | 22.9 0.7 | 1455 | SW | 218 | 0.00 | 23.25 | 0.225 0.029 | 650 91 | 80 20 |
| Suscol Mtn (Ranch 93) | 6/27/26 | 75.9 2.0 | 1514 | 53.1 2.3 | 0054 | 51.0 2.2 | 100 0 | 41 9 | 9.4 | 24.7 3.9 | 0504 | NNW | 330 | 0.00 | 19.29 | - | - | 100 0 |
| Suscol Upper (Ranch 92) | 6/27/26 | 74.3 0.9 | 1552 | 53.8 2.1 | 0606 | 35.3 12.1 | 100 0 | 3 0 | 7.0 | 21.0 4.6 | 1639 | SSW | 212 | 0.00 | 22.76 | - | - | 0 0 |
| Stanly (Ranch 45) | 6/27/26 | 78.1 1.2 | 1633 | 52.3 1.5 | 2343 | 50.4 3.2 | 88 0 | 34 11 | 7.0 | 24.0 1.1 | 1458 | SSW | 198 | 0.00 | 22.51 | 0.256 0.023 | 778 44 | 90 20 |
| Carneros Upper (Ranch 81) | 6/27/26 | 75.1 2.8 | 1426 | 54.6 1.5 | 2356 | 50.0 3.6 | - | - | 9.6 | 22.9 9.4 | 1613 | SW | 226 | - | - | - | - | 90 20 |
| Carneros (Mitsuko) | 6/27/26 | 77.5 1.2 | 1507 | 45.0 8.6 | 0051 | - | - | - | - | - | - | - | - | - | - | - | 100 0 |
| Carneros Lower (Ranch 81) | 6/27/26 | 82.2 3.8 | 1506 | 51.2 2.6 | 0059 | 51.9 3.1 | 92 1 | 34 15 | 0.9 | 11.8 4.1 | 1302 | S | 171 | 0.00 | 19.55 | 0.197 0.022 | 653 69 | 100 0 |
| Carneros (Milton Rd) | 6/27/26 | 78.5 1.3 | 1447 | 47.2 6.8 | 0058 | 50.2 3.6 | 89 1 | 35 11 | - | - | - | - | 0.00 | 18.07 | - | - | 100 0 |
| Max | 82.2 | - | 54.6 | - | 53.2 | 100 | 44 | 9.6 | 24.7 | - | - | 0.00 | 34.60 | 0.256 | 778 | - | |
| Avg | - | - | - | - | 49.4 | - | - | 5.0 | - | - | - | - | - | - | - | - | |
| Min | 72.2 | - | 44.6 | - | 35.3 | 86 | 0 | 0.9 | 11.8 | - | - | 0.00 | 8.94 | 0.131 | 361 | - |