| 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 | 6/5/26 | 87.8 2.4 | 1510 | 53.0 4.3 | 0600 | - | - | - | - | - | - | - | 0.00 | 50.54 | - | - | 100 10 |
| Pope Valley (Weeks Lake) | 6/5/26 | 93.4 1.7 | 1515 | 49.7 4.6 | 0540 | 50.2 1.4 | 100 0 | 18 6 | 2.2 0.5 | 15.1 1.5 | 1635 | WNW | 295 | 0.00 | 26.64 | 0.239 0.011 | 634 13 | 10 10 |
| Dollarhide Base | 6/5/26 | 95.7 1.3 | 1237 | 55.6 3.5 | 0550 | 54.1 1.4 | 93 2 | 23 5 | 3.3 0.1 | 18.6 3.4 | 1552 | SW | 235 | 0.00 | 23.55 | 0.280 0.003 | 722 15 | 40 10 |
| Dollarhide 1AS Remote | 6/5/26 | 96.7 1.8 | 1502 | 49.8 4.6 | 0529 | 52.4 1.3 | 94 1 | 22 7 | 2.8 0.3 | 17.1 1.1 | 1333 | SSE | 161 | - | - | - | - | 10 10 |
| Dollarhide 16A Remote | 6/5/26 | 95.4 1.7 | 1643 | 53.8 3.8 | 0550 | 53.8 1.5 | 96 2 | 24 5 | - | - | - | - | - | - | - | - | 10 10 |
| Dollarhide 18A Remote | 6/5/26 | 94.0 1.7 | 1434 | 47.8 4.4 | 0538 | 52.0 0.9 | 97 1 | 23 6 | - | - | - | - | - | - | - | - | 40 10 |
| Hardin Rd (Eakle) | 6/5/26 | 94.3 1.1 | 1553 | 52.2 3.9 | 0554 | - | - | - | - | - | - | - | - | - | - | - | 40 10 |
| Angwin | 6/5/26 | 84.3 1.6 | 1609 | 62.0 1.8 | 0018 | 45.9 1.2 | 57 1 | 23 7 | 3.8 0.4 | 14.2 2.5 | 1549 | SE | 131 | 0.00 | 46.17 | 0.070 0.001 | 0 0 | 100 0 |
| Lower Angwin (Pioneer) | 6/5/26 | 86.5 1.6 | 1500 | 51.0 4.7 | 0506 | - | - | - | 2.5 0.0 | 14.8 1.9 | 1636 | WNW | 284 | - | - | - | - | 100 0 |
| Las Posadas (Cal Fire) | 6/5/26 | 88.9 2.2 | 1450 | 53.2 3.0 | 0353 | 49.9 2.1 | 91 1 | 23 7 | 7.6 0.4 | 25.0 4.5 | 1715 | WSW | 240 | 0.00 | 35.41 | 0.280 0.019 | 629 9 | - |
| Deer Park | 6/5/26 | 92.9 2.8 | 1441 | 54.8 3.4 | 0550 | 48.9 3.7 | 90 3 | 20 6 | 4.3 1.1 | 19.4 6.1 | 1849 | WNW | 296 | 0.00 | 29.37 | 0.222 0.029 | 495 6 | 50 10 |
| Lower Chiles Valley (Brown) | 6/5/26 | 90.4 1.9 | 1605 | 48.3 3.5 | 0612 | 50.3 1.8 | 96 4 | 23 5 | 4.1 0.3 | 20.4 5.4 | 1713 | W | 272 | 0.00 | 26.24 | 0.247 0.012 | 687 16 | 50 10 |
| Moss Creek Vineyard/Reservior | 6/5/26 | 94.9 1.3 | 1243 | 53.4 3.6 | 0600 | 51.2 1.0 | 93 0 | 24 0 | - | - | - | - | 0.00 | 27.15 | - | - | 0 0 |
| Max | 96.7 | - | 62.0 | - | 54.1 | 100 | 24 | 7.6 | 25.0 | - | - | 0.00 | 50.54 | 0.280 | 722 | - | |
| Avg | - | - | - | - | 50.9 | - | - | 3.8 | - | - | - | - | - | - | - | - | |
| Min | 84.3 | - | 47.8 | - | 45.9 | 57 | 18 | 2.2 | 14.2 | - | - | 0.00 | 23.55 | 0.070 | 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 | 5/31/26 | 88.7 6.1 | 1339 | 45.9 5.6 | 0544 | 52.8 1.2 | 97 1 | 32 5 | - | - | - | - | 0.00 | 32.79 | - | - | 30 10 |
| Diamond Mtn (Schramsberg) | 6/5/26 | 93.4 2.8 | 1504 | 54.5 1.1 | 0505 | 48.0 4.2 | 85 1 | 20 4 | - | - | - | - | 0.00 | 31.46 | - | - | 50 10 |
| Diamond Mtn (McEachran) | 6/5/26 | 90.9 1.6 | 1550 | 54.6 2.5 | 0512 | 48.0 4.1 | 85 8 | 20 5 | - | - | - | - | - | - | - | - | 40 10 |
| St. Helena-North | 6/5/26 | 95.6 0.6 | 1342 | 53.3 1.8 | 0553 | 46.9 4.5 | 85 2 | 15 4 | 1.8 | 14.9 5.3 | 1734 | NNW | 340 | 0.00 | 31.48 | 0.203 0.007 | 548 3 | 10 10 |
| St. Helena (NVV Office) | 6/5/26 | 96.9 3.0 | 1457 | 55.0 1.5 | 0529 | - | - | - | 1.5 | 12.1 2.1 | 1808 | NNE | 12 | 0.00 | 29.13 | - | - | 60 10 |
| Tiara Fria (East St. Helena) | 6/5/26 | 94.1 5.6 | 1626 | 53.9 2.2 | 0547 | 50.7 3.4 | 90 0 | 19 16 | 2.7 | 14.8 3.9 | 2037 | NNW | 328 | 0.00 | 27.01 | - | - | 30 10 |
| Rutherford Hill Estate | 6/5/26 | 92.4 3.1 | 1525 | 54.0 2.8 | 0544 | 52.7 1.0 | 95 5 | 24 9 | 1.9 | 13.6 0.9 | 1537 | SSW | 205 | 0.00 | 25.35 | 0.203 0.007 | 593 8 | 40 10 |
| Rutherford-North (Mee Ln) | 6/5/26 | 92.4 4.9 | 1642 | 47.8 1.2 | 0548 | 52.0 1.5 | 95 1 | 20 17 | 2.5 | 15.1 1.5 | 1741 | SE | 129 | 0.00 | 24.87 | 0.222 0.005 | 620 8 | 10 10 |
| Rutherford (STS) | 6/5/26 | 93.6 3.7 | 1523 | 49.4 1.7 | 0551 | 54.9 0.8 | 91 0 | 34 7 | 1.9 | 12.8 1.0 | 1555 | E | 101 | 0.00 | 26.10 | 0.237 0.002 | 711 12 | 70 10 |
| Oakville-NE (Ranch 88) | 6/5/26 | 91.4 3.0 | 1458 | 49.1 1.2 | 0603 | 51.4 1.1 | 90 1 | 28 5 | 1.8 | 13.7 0.6 | 1658 | SSE | 168 | 0.00 | 25.32 | 0.218 0.002 | 638 13 | 100 0 |
| OV561-East | 6/5/26 | 90.5 1.1 | 1607 | 51.4 1.7 | 0603 | - | - | - | - | - | - | - | - | - | - | - | 30 10 |
| Oakville | 6/5/26 | 88.4 3.6 | 1516 | 49.8 0.8 | 0552 | 52.2 1.4 | 96 0 | 31 7 | 3.2 | 15.9 0.2 | 1617 | SE | 145 | 0.00 | 26.11 | 0.240 0.006 | 696 13 | 70 10 |
| OV518-West | 6/5/26 | 88.7 3.8 | 1513 | 50.8 0.7 | 0546 | - | - | - | - | - | - | - | - | - | - | - | 90 10 |
| To Kalon Remote (TKKE) | 6/5/26 | 93.0 3.5 | 1511 | 49.8 1.6 | 0555 | - | - | - | - | - | - | - | - | - | - | - | 60 10 |
| To Kalon | 6/5/26 | 90.1 4.6 | 1507 | 50.1 1.4 | 0559 | 53.5 1.0 | 96 0 | 33 7 | 2.7 | 18.2 3.4 | 1522 | SE | 133 | 0.00 | 28.00 | 0.226 0.003 | 634 15 | 40 10 |
| To Kalon Remote (TKN5) | 6/5/26 | 92.3 3.1 | 1506 | 50.6 2.0 | 0530 | - | - | - | - | - | - | - | - | - | - | - | 60 10 |
| Yountville (Ranch 67) | 6/5/26 | 86.7 3.6 | 1527 | 49.7 0.8 | 0549 | 51.0 1.3 | 94 0 | 32 6 | 2.7 | 15.6 0.8 | 1630 | E | 85 | 0.00 | 24.03 | 0.235 0.003 | 728 4 | 70 10 |
| Stags Leap Dist (Silverado Vineyards) | 6/5/26 | 87.1 3.7 | 1526 | 49.2 0.2 | 0554 | 50.9 1.9 | 94 1 | 31 7 | 2.8 | 16.6 0.5 | 1552 | SE | 129 | 0.00 | 28.04 | 0.237 0.007 | 685 9 | 60 20 |
| Borreo (Soda Canyon) | 6/5/26 | 85.6 2.9 | 1521 | 48.2 1.6 | 0614 | 50.2 0.9 | 98 0 | 30 5 | 1.7 | 9.9 1.8 | 1632 | E | 94 | 0.00 | 27.74 | 0.230 0.006 | 725 2 | 40 20 |
| Wappo Hill Floor | 6/5/26 | 88.4 3.2 | 1528 | 47.9 0.0 | 0606 | 51.7 1.8 | 100 0 | 32 6 | 2.6 | 13.6 0.2 | 1551 | SE | 131 | 0.00 | 27.12 | 0.235 0.008 | 697 9 | 70 10 |
| Stags Leap Dist (Chimney Rock) | 6/5/26 | 87.2 3.2 | 1518 | 48.3 0.3 | 0549 | 53.4 1.6 | 99 1 | 38 6 | 2.7 | 14.8 1.6 | 1614 | SSE | 151 | 0.00 | 26.50 | 0.212 0.010 | 622 4 | 20 10 |
| Yountville-South (Ranch 87) | 6/5/26 | 89.2 3.1 | 1554 | 50.8 1.8 | 0537 | 52.7 1.4 | 98 2 | 33 6 | 1.7 | 11.2 0.7 | 1708 | ESE | 117 | 0.00 | 27.76 | 0.228 0.006 | 702 6 | 70 10 |
| Yountville-SE (Ranch 85) | 6/5/26 | 86.9 3.5 | 1517 | 51.2 2.0 | 0521 | 52.5 1.6 | 96 0 | 35 6 | 2.9 | 13.8 1.1 | 1603 | S | 171 | 0.00 | 26.09 | - | 0 0 | 40 10 |
| Oak Knoll-East (Ranch 53) | 6/5/26 | 86.9 4.2 | 1513 | 51.3 1.6 | 0610 | 51.1 2.0 | 91 0 | 28 11 | 2.8 | 14.5 0.4 | 1600 | SE | 137 | 0.00 | 24.76 | 0.240 0.011 | 717 9 | 70 10 |
| Napa-NW (Ranch 54) | 6/5/26 | 92.2 3.1 | 1642 | 51.4 2.2 | 0607 | 51.7 1.2 | 92 2 | 22 11 | 0.6 | 11.3 5.2 | 1553 | SSW | 203 | 0.00 | 27.13 | - | 0 0 | 70 10 |
| Napa-North (Ranch 29) | 6/5/26 | 85.8 3.9 | 1637 | 51.7 0.2 | 0523 | 52.2 1.8 | 100 0 | 32 8 | 1.7 | 13.4 1.2 | 1554 | SSE | 166 | 0.00 | 25.63 | 0.151 0.003 | 429 1 | 80 20 |
| Max | 96.9 | - | 55.0 | - | 54.9 | 100 | 38 | 3.2 | 18.2 | - | - | 0.00 | 31.48 | 0.240 | 728 | - | |
| Avg | - | - | - | - | 51.4 | - | - | 2.2 | - | - | - | - | - | - | - | - | |
| Min | 85.6 | - | 47.8 | - | 46.9 | 85 | 15 | 0.6 | 9.9 | - | - | 0.00 | 24.03 | 0.151 | 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 | 6/5/26 | 88.2 2.4 | 1541 | 58.1 4.5 | 0339 | 49.6 2.5 | 75 9 | 21 13 | 1.3 | 11.3 1.0 | 1324 | SE | 124 | 0.00 | 34.60 | 0.214 0.017 | 654 27 | 100 0 |
| Mount George (Napa East) | 6/5/26 | 89.1 2.4 | 1544 | 51.9 1.7 | 0519 | 52.8 1.6 | 95 1 | 32 5 | 1.6 | 9.5 2.3 | 1541 | E | 98 | 0.00 | 17.28 | 0.218 0.005 | 695 2 | 40 20 |
| Napa-East (Palmaz 300') | 6/5/26 | 89.0 1.0 | 1602 | 51.2 0.9 | 0539 | 51.6 1.4 | 94 6 | 28 4 | 1.7 | 10.5 0.2 | 1508 | WSW | 241 | 0.00 | 23.52 | 0.193 0.002 | 570 0 | 0 0 |
| Napa-East (Palmaz 1200') | 5/29/26 | 65.2 1.9 | 1609 | 48.2 1.2 | 2345 | 45.6 0.6 | 100 0 | 29 23 | 2.1 | 13.0 3.9 | 1512 | NW | 320 | - | - | 0.146 0.006 | 558 22 | 20 10 |
| Napa-East (Palmaz 1400') | 6/5/26 | 83.2 3.2 | 1533 | 52.1 2.9 | 0551 | 51.3 1.3 | 92 8 | 34 6 | 2.5 | 11.9 0.6 | 1616 | SW | 229 | 0.00 | 31.03 | 0.217 0.009 | 687 1 | 100 20 |
| Wooden Valley | 6/5/26 | 87.3 3.6 | 1533 | 55.0 0.2 | 0341 | 50.9 0.5 | 85 4 | 27 4 | 3.3 | 15.3 2.6 | 1622 | SW | 223 | 0.00 | 29.46 | 0.242 0.010 | 693 10 | 100 10 |
| Napa-West Upper (Truchard) | 6/5/26 | 87.6 4.3 | 1653 | 51.5 2.7 | 0513 | 44.0 6.0 | 100 0 | 0 0 | 3.5 | 15.5 0.4 | 1513 | S | 191 | 0.00 | 24.70 | 0.245 0.015 | 696 7 | 50 10 |
| Napa-West Lower (Truchard) | 6/5/26 | 88.4 5.2 | 1620 | 46.6 3.8 | 0556 | 49.6 2.0 | 100 0 | 23 16 | - | - | - | - | - | - | - | - | 30 10 |
| Napa-South (Toyon Farms) | 6/5/26 | 86.0 5.0 | 1658 | 52.6 2.4 | 0430 | 53.9 1.8 | 99 1 | 33 16 | 3.9 | 15.3 0.2 | 1535 | SSE | 168 | 0.00 | 18.70 | 0.132 0.012 | 345 3 | 90 20 |
| Toyon Remote 1 | 6/5/26 | 86.6 5.6 | 1653 | 46.7 3.7 | 0554 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 2 | 6/5/26 | 86.1 5.5 | 1707 | 48.5 2.8 | 0559 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 3 | 6/5/26 | 88.7 6.6 | 1658 | 48.2 2.9 | 0552 | - | - | - | - | - | - | - | - | - | - | - | - |
| Dealy Lane (Ranch 80) | 6/5/26 | 86.8 3.0 | 1616 | 50.7 4.4 | 0610 | 50.1 2.4 | 95 2 | 24 15 | 2.8 | 15.6 2.6 | 1958 | W | 262 | 0.00 | 23.81 | 0.225 0.008 | 694 10 | 60 10 |
| Carneros (Saintsbury) | 6/5/26 | 86.0 5.2 | 1651 | 49.0 3.0 | 0611 | 50.6 2.7 | 100 0 | 26 18 | 4.5 | 17.2 1.3 | 1903 | SW | 234 | 0.00 | 8.94 | - | - | 70 20 |
| Suscol Lower (Ranch 35) | 6/5/26 | 83.5 2.1 | 1452 | 50.8 0.6 | 0533 | 50.7 1.5 | - | - | 4.9 | 15.6 1.5 | 1823 | S | 190 | 0.00 | 23.25 | 0.223 0.014 | 632 2 | 100 20 |
| Suscol Mtn (Ranch 93) | 6/5/26 | 87.7 1.5 | 1507 | 52.0 0.3 | 0523 | 51.5 2.2 | 93 5 | 34 2 | 3.8 | 15.0 1.5 | 1412 | NW | 309 | 0.00 | 19.27 | - | - | 50 10 |
| Suscol Upper (Ranch 92) | 6/5/26 | 83.8 2.9 | 1550 | 51.3 1.6 | 0602 | 50.1 11.9 | 92 7 | 34 31 | 1.6 | 19.0 9.2 | 0031 | S | 185 | 0.00 | 22.76 | - | - | 100 20 |
| Stanly (Ranch 45) | 6/5/26 | 83.6 4.4 | 1741 | 49.0 0.7 | 0602 | 50.9 2.3 | 93 1 | 29 13 | 5.4 | 17.4 2.3 | 1702 | SSW | 203 | 0.00 | 22.51 | 0.258 0.021 | 761 3 | 90 20 |
| Carneros Upper (Ranch 81) | 6/5/26 | 84.9 0.0 | 1615 | 52.7 1.3 | 0608 | 49.3 3.0 | - | - | 6.2 | 23.6 6.8 | 2124 | W | 274 | - | - | - | - | 70 20 |
| Carneros (Mitsuko) | 6/5/26 | 86.3 4.7 | 1634 | 45.4 1.8 | 0544 | - | - | - | - | - | - | - | - | - | - | - | 70 20 |
| Carneros Lower (Ranch 81) | 6/5/26 | 90.4 4.9 | 1638 | 48.8 1.7 | 0549 | 49.8 2.9 | 100 0 | 0 0 | 1.7 | 12.4 1.5 | 2141 | NW | 304 | 0.00 | 19.55 | 0.202 0.004 | 629 2 | 70 10 |
| Carneros (Milton Rd) | 6/5/26 | 85.2 5.9 | 1653 | 47.3 0.4 | 0539 | 50.5 2.4 | 94 1 | 29 14 | - | - | - | - | 0.00 | 18.07 | - | - | 70 20 |
| Max | 90.4 | - | 58.1 | - | 53.9 | 100 | 34 | 6.2 | 23.6 | - | - | 0.00 | 34.60 | 0.258 | 761 | - | |
| Avg | - | - | - | - | 50.4 | - | - | 3.3 | - | - | - | - | - | - | - | - | |
| Min | 83.2 | - | 45.4 | - | 44.0 | 75 | 0 | 1.3 | 9.5 | - | - | 0.00 | 8.94 | 0.132 | 345 | - |