| 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 | 7/18/26 | 87.5 0.1 | 1601 | 51.1 3.4 | 0421 | - | - | - | - | - | - | - | 0.00 | 0.00 | - | - | 60 10 |
| Pope Valley (Weeks Lake) | 7/18/26 | 92.0 0.6 | 1652 | 44.7 2.3 | 0622 | 47.0 1.1 | 100 0 | 12 7 | 1.8 0.1 | 12.1 2.0 | 1450 | WSW | 247 | 0.00 | 0.00 | 0.222 0.001 | 641 4 | 0 0 |
| Dollarhide Base | 7/18/26 | 94.3 0.7 | 1619 | 53.0 2.2 | 0617 | 52.9 0.3 | 92 0 | 19 10 | 3.5 0.2 | 14.5 0.4 | 1818 | SW | 216 | 0.00 | 0.00 | 0.265 0.003 | 742 1 | 0 0 |
| Dollarhide 1AS Remote | 7/18/26 | 95.7 1.2 | 1630 | 47.0 3.7 | 0554 | 51.2 0.2 | 92 2 | 18 9 | 2.7 0.2 | 14.8 1.1 | 1458 | S | 188 | - | - | - | - | 0 0 |
| Dollarhide 16A Remote | 7/18/26 | 95.0 1.7 | 1516 | 51.2 1.1 | 0551 | 53.0 0.3 | 95 2 | 18 13 | - | - | - | - | - | - | - | - | 0 0 |
| Dollarhide 18A Remote | 7/18/26 | 92.4 0.7 | 1610 | 44.5 3.3 | 0602 | 50.2 0.1 | 96 1 | 20 8 | - | - | - | - | - | - | - | - | 0 0 |
| Hardin Rd (Eakle) | 7/18/26 | 94.4 1.6 | 1533 | 49.2 1.9 | 0620 | - | - | - | - | - | - | - | - | - | - | - | 0 0 |
| Angwin | 7/18/26 | 83.1 0.2 | 1519 | 64.0 2.1 | 0622 | 41.5 0.5 | 49 5 | 5 4 | 2.6 0.1 | 11.9 1.2 | 1350 | SSE | 150 | 0.00 | 0.00 | 0.057 0.002 | 0 0 | 100 0 |
| Lower Angwin (Pioneer) | 7/18/26 | 85.3 0.1 | 1628 | 41.6 3.2 | 0423 | - | - | - | 1.8 0.1 | 10.1 3.8 | 1804 | SW | 230 | - | - | - | - | 90 20 |
| Las Posadas (Cal Fire) | 7/18/26 | 86.7 1.2 | 1604 | 49.2 0.9 | 0615 | 51.6 0.1 | 98 1 | 25 10 | 8.9 0.1 | 18.5 0.4 | 1859 | SW | 231 | 0.00 | 0.00 | 0.238 0.000 | 639 3 | - |
| Deer Park | 7/18/26 | 90.2 2.9 | 1612 | 52.3 1.0 | 0326 | 52.6 0.3 | 94 1 | 30 3 | 3.0 0.8 | 12.1 3.4 | 1736 | SSE | 151 | 0.00 | 0.00 | 0.169 0.014 | 456 23 | 70 10 |
| Lower Chiles Valley (Brown) | 7/18/26 | 89.1 0.5 | 1646 | 52.0 1.1 | 0613 | 50.8 0.4 | 95 2 | 17 8 | 3.5 0.4 | 13.5 0.3 | 1446 | WNW | 294 | 0.00 | 0.00 | 0.221 0.007 | 672 22 | 30 10 |
| Moss Creek Vineyard/Reservior | 7/18/26 | 94.6 1.9 | 1606 | 49.9 1.8 | 0620 | 48.6 0.6 | 93 1 | 10 9 | - | - | - | - | 0.00 | 0.00 | - | - | 0 0 |
| Max | 95.7 | - | 64.0 | - | 53.0 | 100 | 30 | 8.9 | 18.5 | - | - | 0.00 | 0.00 | 0.265 | 742 | - | |
| Avg | - | - | - | - | 49.9 | - | - | 3.5 | - | - | - | - | - | - | - | - | |
| Min | 83.1 | - | 41.6 | - | 41.5 | 49 | 5 | 1.8 | 10.1 | - | - | 0.00 | 0.00 | 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 | 7/18/26 | 90.9 2.2 | 1420 | 51.0 2.4 | 0319 | 53.3 1.4 | 94 0 | 27 2 | - | - | - | - | 0.00 | 0.00 | - | - | 0 0 |
| Diamond Mtn (Schramsberg) | 7/18/26 | 87.8 0.4 | 1521 | 51.2 0.4 | 0606 | 50.2 1.9 | 100 0 | 20 4 | - | - | - | - | 0.00 | 0.00 | - | - | 70 10 |
| Diamond Mtn (McEachran) | 7/18/26 | 88.0 0.9 | 1503 | 52.3 0.3 | 0325 | 50.4 1.7 | 93 1 | 18 15 | - | - | - | - | - | - | - | - | 70 10 |
| St. Helena-North | 7/18/26 | 92.0 4.1 | 1605 | 52.3 0.9 | 0311 | 50.9 0.7 | 83 1 | 16 14 | 2.1 | 11.6 3.7 | 1810 | SSE | 157 | 0.00 | 0.00 | 0.200 0.022 | 580 21 | 0 0 |
| St. Helena (NVV Office) | 7/18/26 | 90.5 3.3 | 1552 | 54.9 3.2 | 0259 | - | - | - | 1.6 | 11.0 0.3 | 1732 | E | 88 | 0.00 | 0.00 | - | - | 20 10 |
| Tiara Fria (East St. Helena) | 7/18/26 | 87.5 3.7 | 1650 | 53.4 2.5 | 0247 | 53.5 1.2 | 87 0 | 35 4 | 2.3 | 10.7 3.6 | 1714 | ESE | 102 | 0.00 | 0.00 | - | - | 50 10 |
| Prisoner Winery | 7/18/26 | 90.4 2.8 | 1700 | 50.4 2.7 | 0244 | 53.6 1.1 | 96 2 | 33 2 | 1.4 | 7.8 2.6 | 1422 | E | 84 | 0.00 | 0.00 | 0.198 0.012 | 612 26 | 20 10 |
| Rutherford Hill Estate | 7/18/26 | 89.1 3.7 | 1519 | 52.5 1.0 | 0203 | 53.3 0.4 | 92 0 | 33 4 | 1.4 | 13.4 1.3 | 1638 | SSW | 212 | 0.00 | 0.00 | 0.176 0.009 | 544 26 | 50 10 |
| Rutherford-North (Mee Ln) | 7/18/26 | 86.4 3.4 | 1608 | 49.3 2.9 | 0242 | 53.0 1.2 | 92 0 | 37 3 | 2.8 | 15.8 2.4 | 1752 | ESE | 116 | 0.00 | 0.00 | 0.196 0.013 | 571 25 | 50 10 |
| Rutherford (STS) | 7/18/26 | 89.5 4.3 | 1605 | 50.2 4.0 | 0247 | 55.8 1.3 | 92 1 | 40 3 | 2.2 | 13.2 2.0 | 1801 | ESE | 122 | 0.00 | 0.00 | 0.206 0.010 | 630 32 | 50 10 |
| Oakville-NE (Ranch 88) | 7/18/26 | 87.5 3.3 | 1644 | 49.6 2.7 | 0250 | 51.8 1.4 | 88 3 | 33 3 | 2.4 | 14.4 4.4 | 1911 | SSE | 167 | 0.00 | 0.00 | 0.198 0.012 | 578 30 | 100 0 |
| OV561-East | 7/18/26 | 89.0 4.2 | 1611 | 53.0 3.3 | 0259 | - | - | - | - | - | - | - | - | - | - | - | 70 10 |
| Oakville | 7/18/26 | 84.2 3.4 | 1642 | 51.6 3.7 | 0241 | 53.1 1.2 | 91 3 | 40 2 | 3.8 | 18.0 1.8 | 1720 | SE | 142 | 0.00 | 0.00 | 0.211 0.010 | 635 32 | 100 10 |
| OV518-West | 7/18/26 | 83.2 3.2 | 1615 | 52.3 4.8 | 0234 | - | - | - | - | - | - | - | - | - | - | - | 100 10 |
| To Kalon Remote (TKKE) | 7/18/26 | 87.4 2.9 | 1621 | 50.8 3.4 | 0241 | - | - | - | - | - | - | - | - | - | - | - | 50 10 |
| To Kalon | 7/18/26 | 84.9 3.7 | 1641 | 50.4 2.6 | 0336 | 54.0 1.3 | 94 1 | 40 3 | 3.4 | 15.9 1.0 | 1711 | SE | 143 | 0.00 | 0.00 | 0.201 0.010 | 587 31 | 90 20 |
| To Kalon Remote (TKN5) | 7/18/26 | 87.7 2.8 | 1516 | 51.5 3.6 | 0330 | - | - | - | - | - | - | - | - | - | - | - | 50 10 |
| Yountville (Ranch 67) | 7/18/26 | 82.4 3.5 | 1634 | 53.1 4.7 | 0200 | 52.3 0.9 | 89 1 | 41 2 | 4.0 | 16.7 1.9 | 1650 | SE | 130 | 0.00 | 0.00 | 0.205 0.009 | 663 40 | 100 0 |
| Stags Leap Dist (Silverado Vineyards) | 7/18/26 | 82.9 3.5 | 1548 | 54.1 5.3 | 0243 | 52.5 0.9 | 88 4 | 40 2 | 3.8 | 15.0 3.7 | 1834 | ESE | 113 | 0.00 | 0.00 | 0.198 0.010 | 598 49 | 90 20 |
| Borreo (Soda Canyon) | 7/18/26 | 80.9 3.4 | 1527 | 50.2 2.7 | 0219 | 51.7 0.5 | 93 2 | 38 5 | 2.0 | 10.1 1.0 | 1659 | SSE | 168 | 0.00 | 0.00 | 0.197 0.008 | 648 37 | 100 0 |
| Wappo Hill Floor | 7/18/26 | 83.9 3.6 | 1608 | 53.4 5.3 | 0252 | 53.6 0.9 | 91 9 | 41 1 | 3.2 | 13.2 2.2 | 1708 | SE | 129 | 0.00 | 0.00 | 0.202 0.010 | 624 40 | 100 10 |
| Stags Leap Dist (Chimney Rock) | 7/18/26 | 82.7 3.1 | 1614 | 54.1 5.8 | 0228 | 55.3 0.9 | 92 6 | 47 1 | 3.1 | 13.6 1.5 | 1750 | ESE | 117 | 0.00 | 0.00 | 0.176 0.010 | 554 31 | 100 10 |
| Yountville-South (Ranch 87) | 7/18/26 | 84.9 3.6 | 1547 | 53.7 5.4 | 0059 | 54.2 1.5 | 92 0 | 39 3 | 2.0 | 11.8 0.0 | 1529 | S | 177 | 0.00 | 0.00 | 0.194 0.008 | 622 31 | 100 10 |
| Yountville-SE (Ranch 85) | 7/18/26 | 82.0 3.6 | 1603 | 54.1 4.4 | 0209 | 54.4 1.1 | 92 2 | 45 1 | 2.9 | 12.9 1.8 | 1658 | SE | 139 | 0.00 | 0.00 | - | 0 0 | 100 10 |
| Oak Knoll-East (Ranch 53) | 7/18/26 | 82.8 4.5 | 1627 | 53.4 4.3 | 0254 | 53.1 1.7 | 90 1 | 41 2 | 2.8 | 13.2 3.9 | 1543 | ESE | 120 | 0.00 | 0.00 | 0.199 0.005 | 633 32 | 100 20 |
| Napa-NW (Ranch 54) | 7/18/26 | 86.8 1.9 | 1557 | 50.7 1.6 | 0252 | 52.9 1.5 | 92 3 | 35 8 | 0.8 | 7.4 0.9 | 1514 | E | 84 | 0.00 | 0.00 | - | 0 0 | 70 10 |
| Napa-North (Ranch 29) | 7/18/26 | 80.5 2.8 | 1555 | 54.4 3.5 | 0126 | 54.1 0.5 | 92 8 | 46 0 | 2.0 | 12.9 2.0 | 1709 | S | 189 | 0.00 | 0.00 | 0.138 0.003 | 430 9 | 100 0 |
| Max | 92.0 | - | 54.9 | - | 55.8 | 100 | 47 | 4.0 | 18.0 | - | - | 0.00 | 0.00 | 0.211 | 663 | - | |
| Avg | - | - | - | - | 53.0 | - | - | 2.5 | - | - | - | - | - | - | - | - | |
| Min | 80.5 | - | 49.3 | - | 50.2 | 83 | 16 | 0.8 | 7.4 | - | - | 0.00 | 0.00 | 0.138 | 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 | 7/18/26 | 84.4 0.4 | 1613 | 47.3 4.7 | 0532 | 50.0 0.3 | 100 16 | 25 10 | 1.5 | 11.0 1.0 | 1444 | SE | 132 | 0.00 | 0.00 | 0.288 0.006 | 1,157 54 | 100 0 |
| Mount George (Napa East) | 7/18/26 | 93.9 6.6 | 1622 | 51.0 1.1 | 0040 | 54.1 0.5 | 90 2 | 46 0 | 1.9 | 11.0 0.4 | 1522 | WSW | 257 | 0.00 | 0.00 | 0.184 0.003 | 605 23 | 100 10 |
| Napa-East (Palmaz 300') | 7/18/26 | 84.1 3.0 | 1640 | 52.3 0.0 | 0057 | 53.7 0.2 | 94 0 | 38 2 | 2.0 | 10.7 1.6 | 1646 | SSW | 205 | 0.00 | 0.00 | 0.174 0.001 | 536 1 | 100 10 |
| Napa-East (Palmaz 1200') | 7/3/26 | 79.0 6.0 | 1616 | 49.0 3.8 | 0539 | 47.1 0.2 | 100 0 | 45 38 | 2.0 | 12.7 4.5 | 1533 | NW | 313 | - | - | 0.192 0.009 | 656 3 | 30 20 |
| Napa-East (Palmaz 1400') | 7/18/26 | 79.2 3.7 | 1500 | 50.3 0.6 | 0558 | 52.9 0.0 | 100 0 | 44 6 | 3.5 | 11.2 1.5 | 1731 | SW | 232 | 0.00 | 0.00 | 0.181 0.009 | 615 47 | 100 20 |
| Wooden Valley | 7/18/26 | 84.5 3.3 | 1610 | 51.7 0.5 | 0542 | 50.3 0.7 | 93 3 | 25 13 | 5.0 | 16.0 0.9 | 1124 | SW | 230 | 0.00 | 0.00 | 0.223 0.001 | 708 4 | 100 0 |
| Napa-West Upper (Truchard) | 7/18/26 | 82.3 2.8 | 1543 | 51.4 0.6 | 0059 | 47.3 19.5 | 100 0 | 0 0 | 3.5 | 13.7 4.4 | 1451 | S | 187 | 0.00 | 0.00 | 0.201 0.008 | 620 33 | 100 10 |
| Napa-West Lower (Truchard) | 7/18/26 | 80.7 0.8 | 1541 | 46.9 3.6 | 0054 | 53.0 2.4 | 92 2 | 45 4 | - | - | - | - | - | - | - | - | 100 10 |
| Napa-South (Toyon Farms) | 7/18/26 | 78.6 3.0 | 1526 | 51.7 1.5 | 0050 | 55.6 0.8 | 97 2 | 56 1 | 4.1 | 14.0 2.5 | 1633 | SSE | 164 | 0.00 | 0.00 | 0.112 0.003 | 362 12 | 100 0 |
| Toyon Remote 1 | 7/18/26 | 78.3 2.1 | 1522 | 51.7 6.5 | 0052 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 2 | 7/18/26 | 77.5 2.3 | 1556 | 50.8 5.9 | 0057 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 3 | 7/18/26 | 79.0 2.3 | 1553 | 49.8 5.4 | 0055 | - | - | - | - | - | - | - | - | - | - | - | - |
| Dealy Lane (Ranch 80) | 7/18/26 | 80.4 1.6 | 1550 | 50.9 4.9 | 0059 | 53.2 1.8 | 92 3 | 43 6 | 2.7 | 12.8 3.7 | 1259 | SSE | 150 | 0.00 | 0.00 | 0.184 0.009 | 611 48 | 100 0 |
| Carneros (Saintsbury) | 7/18/26 | 76.2 1.4 | 1531 | 50.3 4.6 | 0059 | 53.2 1.5 | 95 5 | 52 2 | 4.9 | 14.4 3.9 | 1631 | SSE | 152 | 0.00 | 0.00 | - | - | 100 10 |
| Suscol Lower (Ranch 35) | 7/18/26 | 77.8 1.0 | 1602 | 50.1 2.5 | 0008 | 53.0 0.4 | 100 7 | 47 4 | 4.3 | 13.5 3.8 | 1505 | SW | 218 | 0.00 | 0.00 | 0.173 0.012 | 547 35 | 100 0 |
| Suscol Mtn (Ranch 93) | 7/18/26 | 80.5 1.4 | 1646 | 51.5 1.0 | 0609 | 54.1 0.6 | 99 1 | 46 3 | 6.3 | 14.6 2.1 | 1327 | NW | 316 | 0.00 | 0.00 | - | - | 100 0 |
| Suscol Upper (Ranch 92) | 7/18/26 | 77.4 2.1 | 1616 | 52.3 1.0 | 0646 | 16.4 16.9 | 100 0 | 0 0 | 3.4 | 13.4 2.0 | 1857 | SSW | 210 | 0.00 | 0.00 | - | - | 20 10 |
| Stanly (Ranch 45) | 7/18/26 | 76.6 1.7 | 1527 | 48.8 1.6 | 0058 | 53.1 0.9 | 91 3 | 50 2 | 4.9 | 14.5 3.1 | 1640 | W | 280 | 0.00 | 0.00 | 0.195 0.011 | 648 41 | 80 10 |
| Carneros Upper (Ranch 81) | 7/18/26 | 79.1 1.0 | 1555 | 52.2 0.0 | 0007 | 49.2 2.8 | - | - | 6.7 | 20.2 0.6 | 2204 | WSW | 247 | - | - | - | - | 100 0 |
| Carneros (Mitsuko) | 7/18/26 | 77.6 1.3 | 1552 | 52.3 10.0 | 0056 | - | - | - | - | - | - | - | - | - | - | - | 100 0 |
| Carneros Lower (Ranch 81) | 7/18/26 | 78.0 3.1 | 1453 | 52.9 6.6 | 0002 | 54.0 4.5 | 93 7 | 50 49 | 1.8 | 12.4 1.3 | 1357 | SSE | 160 | 0.00 | 0.00 | 0.175 0.008 | 580 44 | 100 10 |
| Carneros (Milton Rd) | 7/18/26 | 76.1 1.6 | 1633 | 50.6 4.3 | 0028 | 53.4 1.7 | 92 1 | 52 3 | - | - | - | - | 0.00 | 0.00 | - | - | 100 10 |
| Max | 93.9 | - | 52.9 | - | 55.6 | 100 | 56 | 6.7 | 20.2 | - | - | 0.00 | 0.00 | 0.288 | 1,157 | - | |
| Avg | - | - | - | - | 50.4 | - | - | 3.8 | - | - | - | - | - | - | - | - | |
| Min | 76.1 | - | 46.9 | - | 16.4 | 90 | 0 | 1.5 | 10.7 | - | - | 0.00 | 0.00 | 0.112 | 362 | - |