| 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 | 6/1/26 | 83.6 4.9 | 1542 | 49.3 4.2 | 0548 | - | - | - | - | - | - | - | 0.00 | 50.54 | - | - | 60 20 |
| Pope Valley (Weeks Lake) | 6/1/26 | 91.0 4.8 | 1548 | 43.5 0.7 | 0511 | 48.1 1.0 | 100 0 | 15 11 | 1.7 0.3 | 14.2 1.3 | 1653 | W | 275 | 0.00 | 26.64 | 0.227 0.009 | 649 10 | 50 10 |
| Dollarhide Base | 6/1/26 | 94.0 4.4 | 1543 | 49.6 1.1 | 0604 | 51.6 1.0 | 97 0 | 18 13 | 2.6 0.1 | 18.0 3.5 | 1717 | WSW | 244 | 0.00 | 23.55 | 0.269 0.015 | 749 8 | 80 10 |
| Dollarhide 1AS Remote | 6/1/26 | 95.0 5.6 | 1531 | 44.3 0.9 | 0541 | 49.9 1.2 | 94 0 | 18 13 | 2.0 0.0 | 15.9 1.3 | 1743 | SW | 233 | - | - | - | - | 50 10 |
| Dollarhide 16A Remote | 6/1/26 | 94.1 5.2 | 1549 | 48.9 1.3 | 0543 | 51.4 0.9 | 99 0 | 18 13 | - | - | - | - | - | - | - | - | 50 10 |
| Dollarhide 18A Remote | 6/1/26 | 93.5 4.8 | 1508 | 41.8 0.2 | 0526 | 48.7 1.5 | 98 0 | 17 13 | - | - | - | - | - | - | - | - | 80 10 |
| Hardin Rd (Eakle) | 6/1/26 | 94.9 6.0 | 1519 | 46.8 0.8 | 0603 | - | - | - | - | - | - | - | - | - | - | - | 80 10 |
| Angwin | 6/1/26 | 83.0 5.3 | 1524 | 60.7 5.8 | 0551 | 43.5 3.1 | 55 13 | 17 18 | 3.4 0.2 | 15.6 3.6 | 1427 | SE | 144 | 0.00 | 46.17 | 0.065 0.015 | 0 0 | 60 20 |
| Lower Angwin (Pioneer) | 6/1/26 | 85.8 6.5 | 1545 | 46.9 1.1 | 0312 | - | - | - | 2.1 0.4 | 13.4 0.7 | 1736 | WSW | 245 | - | - | - | - | 60 20 |
| Las Posadas (Cal Fire) | 6/1/26 | 87.8 5.7 | 1514 | 54.1 2.8 | 0159 | 47.7 0.8 | 81 1 | 22 11 | 5.8 0.7 | 24.4 3.3 | 1754 | SW | 223 | 0.00 | 35.41 | 0.263 0.028 | 639 3 | - |
| Deer Park | 6/1/26 | 90.5 5.4 | 1511 | 54.9 4.5 | 0601 | 49.5 1.4 | 87 3 | 18 11 | 2.8 0.2 | 13.8 1.6 | 1659 | WNW | 283 | 0.00 | 29.37 | 0.200 0.014 | 504 7 | 60 10 |
| Lower Chiles Valley (Brown) | 6/1/26 | 89.5 4.6 | 1503 | 41.4 0.5 | 0518 | 46.9 1.0 | 100 0 | 18 11 | 2.2 0.4 | 13.8 0.7 | 1748 | W | 273 | 0.00 | 26.24 | 0.245 0.018 | 711 12 | 60 10 |
| Moss Creek Vineyard/Reservior | 6/1/26 | 93.1 5.2 | 1510 | 47.7 1.4 | 0605 | 48.3 0.1 | 94 2 | 15 7 | - | - | - | - | 0.00 | 27.15 | - | - | 20 10 |
| Max | 95.0 | - | 60.7 | - | 51.6 | 100 | 22 | 5.8 | 24.4 | - | - | 0.00 | 50.54 | 0.269 | 749 | - | |
| Avg | - | - | - | - | 48.6 | - | - | 2.8 | - | - | - | - | - | - | - | - | |
| Min | 83.0 | - | 41.4 | - | 43.5 | 55 | 15 | 1.7 | 13.4 | - | - | 0.00 | 23.55 | 0.065 | 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) | 6/1/26 | 89.0 5.0 | 1423 | 57.4 5.5 | 0320 | 48.3 1.1 | 83 7 | 19 11 | - | - | - | - | 0.00 | 31.46 | - | - | 60 10 |
| Diamond Mtn (McEachran) | 6/1/26 | 89.3 6.0 | 1333 | 53.7 3.4 | 0617 | 49.0 1.0 | 86 3 | 18 10 | - | - | - | - | - | - | - | - | 50 10 |
| St. Helena-North | 6/1/26 | 93.8 5.3 | 1414 | 49.9 2.7 | 0543 | 47.5 1.2 | 87 1 | 13 10 | 2.3 | 14.3 0.4 | 1545 | WNW | 288 | 0.00 | 31.48 | 0.206 0.009 | 557 19 | 50 10 |
| St. Helena (NVV Office) | 6/1/26 | 94.8 6.3 | 1430 | 50.6 2.3 | 0545 | - | - | - | 1.5 | 13.5 0.9 | 1755 | W | 262 | 0.00 | 29.13 | - | - | 70 10 |
| Tiara Fria (East St. Helena) | 6/1/26 | 92.4 5.3 | 1531 | 50.0 1.9 | 0608 | 50.3 1.0 | 93 2 | 17 10 | 2.3 | 14.7 0.6 | 1628 | WSW | 252 | 0.00 | 27.01 | - | - | 40 10 |
| Rutherford Hill Estate | 6/1/26 | 92.9 4.2 | 1557 | 52.1 2.9 | 0635 | 51.4 2.2 | 93 3 | 19 7 | 1.6 | 14.0 1.5 | 1646 | WSW | 254 | 0.00 | 25.35 | 0.210 0.010 | 610 13 | 50 10 |
| Rutherford-North (Mee Ln) | 6/1/26 | 91.9 4.6 | 1451 | 44.7 1.2 | 0610 | 50.5 1.0 | 96 0 | 18 9 | 2.5 | 12.9 1.1 | 1348 | SE | 124 | 0.00 | 24.87 | 0.226 0.015 | 633 11 | 20 10 |
| Rutherford (STS) | 6/1/26 | 93.8 4.5 | 1542 | 45.2 0.6 | 0549 | 53.3 1.7 | 92 0 | 24 7 | 2.1 | 13.2 5.2 | 1653 | SW | 223 | 0.00 | 26.10 | 0.251 0.015 | 733 16 | 80 10 |
| Oakville-NE (Ranch 88) | 6/1/26 | 92.9 4.4 | 1536 | 45.8 0.9 | 0557 | 50.2 1.1 | 94 0 | 20 5 | 1.9 | 12.9 0.8 | 1607 | SE | 131 | 0.00 | 25.32 | 0.223 0.012 | 651 11 | 80 10 |
| OV561-East | 6/1/26 | 93.8 4.3 | 1625 | 47.7 0.7 | 0604 | - | - | - | - | - | - | - | - | - | - | - | 40 10 |
| Oakville | 6/1/26 | 90.0 3.6 | 1538 | 46.6 1.0 | 0554 | 51.6 1.6 | 96 0 | 22 7 | 3.2 | 15.9 1.2 | 1614 | SE | 142 | 0.00 | 26.11 | 0.246 0.013 | 714 6 | 20 10 |
| OV518-West | 6/1/26 | 90.0 4.2 | 1456 | 48.0 1.2 | 0536 | - | - | - | - | - | - | - | - | - | - | - | 50 10 |
| To Kalon Remote (TKKE) | 6/1/26 | 93.2 5.1 | 1448 | 46.0 0.8 | 0559 | - | - | - | - | - | - | - | - | - | - | - | 70 10 |
| To Kalon | 6/1/26 | 91.8 5.0 | 1510 | 46.8 1.0 | 0540 | 51.6 2.1 | 96 1 | 20 8 | 2.6 | 16.5 0.3 | 1831 | WSW | 253 | 0.00 | 28.00 | 0.233 0.014 | 660 6 | 20 10 |
| To Kalon Remote (TKN5) | 6/1/26 | 93.3 4.3 | 1558 | 46.9 1.2 | 0539 | - | - | - | - | - | - | - | - | - | - | - | 70 10 |
| Yountville (Ranch 67) | 6/1/26 | 88.1 3.5 | 1501 | 46.4 1.0 | 0605 | 50.6 1.7 | 95 0 | 22 4 | 3.3 | 14.3 0.7 | 1805 | WSW | 239 | 0.00 | 24.03 | 0.246 0.015 | 736 6 | 50 10 |
| Stags Leap Dist (Silverado Vineyards) | 6/1/26 | 89.0 1.7 | 1513 | 46.7 1.5 | 0557 | 51.2 1.5 | 96 0 | 24 5 | 2.4 | 14.9 1.5 | 1620 | SE | 131 | 0.00 | 28.04 | 0.234 0.021 | 700 7 | 40 20 |
| Borreo (Soda Canyon) | 6/1/26 | 87.0 4.2 | 1536 | 46.4 1.8 | 0519 | 49.8 1.8 | 98 0 | 25 3 | 2.0 | 12.5 0.5 | 1625 | ESE | 111 | 0.00 | 27.74 | 0.239 0.013 | 735 5 | 20 20 |
| Wappo Hill Floor | 6/1/26 | 90.3 2.9 | 1512 | 44.6 0.9 | 0530 | 52.2 2.4 | 100 0 | 24 4 | 2.6 | 13.4 0.5 | 1531 | SE | 128 | 0.00 | 27.12 | 0.240 0.012 | 712 7 | 50 10 |
| Stags Leap Dist (Chimney Rock) | 6/1/26 | 89.6 3.6 | 1517 | 45.2 1.5 | 0538 | 53.9 2.3 | 100 0 | 31 4 | 2.6 | 13.4 0.3 | 1626 | SSE | 150 | 0.00 | 26.50 | 0.216 0.014 | 631 3 | 0 10 |
| Yountville-South (Ranch 87) | 6/1/26 | 90.6 4.0 | 1542 | 47.7 1.6 | 0607 | 52.8 2.0 | 100 0 | 25 4 | 1.8 | 14.1 2.4 | 1530 | S | 178 | 0.00 | 27.76 | 0.238 0.013 | 717 5 | 80 10 |
| Yountville-SE (Ranch 85) | 6/1/26 | 89.8 2.7 | 1506 | 47.8 2.1 | 0607 | 53.1 2.5 | 96 4 | 26 4 | 2.4 | 11.9 1.8 | 1617 | SSE | 167 | 0.00 | 26.09 | - | 0 0 | 20 10 |
| Oak Knoll-East (Ranch 53) | 6/1/26 | 89.4 2.6 | 1458 | 48.2 1.5 | 0601 | 51.5 1.9 | 92 1 | 22 5 | 2.5 | 12.6 1.5 | 1621 | S | 181 | 0.00 | 24.76 | 0.243 0.015 | 729 5 | 50 10 |
| Napa-NW (Ranch 54) | 6/1/26 | 92.0 3.6 | 1635 | 47.8 0.7 | 0546 | 51.1 2.2 | 91 0 | 21 4 | 0.8 | 10.8 0.6 | 1655 | SW | 218 | 0.00 | 27.13 | - | 0 0 | 80 10 |
| Napa-North (Ranch 29) | 6/1/26 | 86.2 2.9 | 1507 | 49.0 2.0 | 0604 | 53.2 2.5 | 100 0 | 30 3 | 1.9 | 11.8 2.3 | 1529 | S | 188 | 0.00 | 25.63 | 0.159 0.007 | 432 2 | 30 10 |
| Max | 94.8 | - | 57.4 | - | 53.9 | 100 | 31 | 3.3 | 16.5 | - | - | 0.00 | 31.48 | 0.251 | 736 | - | |
| Avg | - | - | - | - | 51.2 | - | - | 2.2 | - | - | - | - | - | - | - | - | |
| Min | 86.2 | - | 44.6 | - | 47.5 | 83 | 13 | 0.8 | 10.8 | - | - | 0.00 | 24.03 | 0.159 | 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 | 6/1/26 | 82.6 2.9 | 1534 | 62.0 5.5 | 0101 | 45.6 1.5 | 57 10 | 25 11 | 1.8 | 11.5 3.8 | 1345 | SSE | 165 | 0.00 | 34.60 | 0.244 0.040 | 807 136 | 50 20 |
| Mount George (Napa East) | 6/1/26 | 89.8 7.1 | 1556 | 49.4 4.2 | 0558 | 53.3 4.1 | 100 4 | 28 3 | 1.3 | 9.9 1.1 | 1627 | W | 264 | 0.00 | 17.28 | 0.226 0.011 | 706 6 | 10 10 |
| Napa-East (Palmaz 300') | 6/1/26 | 91.7 4.9 | 1542 | 48.8 2.1 | 0551 | 51.7 2.3 | 100 0 | 22 6 | 1.9 | 10.1 2.1 | 1522 | SW | 224 | 0.00 | 23.52 | 0.199 0.006 | 576 2 | 0 10 |
| 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') | 6/1/26 | 83.4 4.4 | 1422 | 49.8 4.6 | 0531 | 49.9 0.9 | 91 9 | 26 11 | 2.8 | 14.5 0.7 | 1446 | SW | 236 | 0.00 | 31.03 | 0.230 0.018 | 701 8 | 50 20 |
| Wooden Valley | 6/1/26 | 86.5 5.0 | 1510 | 45.3 2.8 | 0558 | 48.7 0.4 | 97 4 | 23 8 | 2.5 | 15.9 0.4 | 1735 | SW | 217 | 0.00 | 29.46 | 0.241 0.013 | 706 3 | 30 10 |
| Napa-West Upper (Truchard) | 6/1/26 | 86.9 2.2 | 1435 | 51.9 2.7 | 0508 | 33.0 17.1 | 100 0 | 0 26 | 3.3 | 15.6 2.0 | 1624 | S | 186 | 0.00 | 24.70 | 0.246 0.013 | 708 7 | 30 10 |
| Napa-West Lower (Truchard) | 6/1/26 | 88.6 1.5 | 1427 | 44.1 2.1 | 0555 | 51.1 2.8 | 100 0 | 26 1 | - | - | - | - | - | - | - | - | 10 10 |
| Napa-South (Toyon Farms) | 6/1/26 | 86.5 2.0 | 1410 | 51.5 2.5 | 0602 | 55.4 2.9 | 100 0 | 34 1 | 1.9 | 13.3 2.0 | 1803 | SW | 219 | 0.00 | 18.70 | 0.138 0.008 | 355 3 | 40 20 |
| Toyon Remote 1 | 6/1/26 | 88.0 0.3 | 1643 | 44.1 2.0 | 0556 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 2 | 6/1/26 | 85.5 0.9 | 1430 | 46.0 1.8 | 0544 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 3 | 6/1/26 | 88.2 0.1 | 1719 | 46.4 1.4 | 0553 | - | - | - | - | - | - | - | - | - | - | - | - |
| Dealy Lane (Ranch 80) | 6/1/26 | 87.2 2.1 | 1406 | 50.5 2.7 | 0550 | 51.1 2.8 | 94 0 | 26 1 | 2.4 | 13.4 1.5 | 1412 | SE | 144 | 0.00 | 23.81 | 0.229 0.009 | 709 9 | 40 10 |
| Carneros (Saintsbury) | 6/1/26 | 84.7 0.3 | 1426 | 47.7 2.5 | 0557 | 52.1 3.1 | 100 0 | 28 1 | 3.9 | 15.3 1.9 | 1728 | SW | 215 | 0.00 | 8.94 | - | - | 50 20 |
| Suscol Lower (Ranch 35) | 6/1/26 | 85.3 2.9 | 1428 | 49.8 2.2 | 0554 | 51.8 2.7 | - | - | 4.3 | 14.4 0.9 | 1528 | SW | 218 | 0.00 | 23.25 | 0.222 0.008 | 644 7 | 50 20 |
| Suscol Mtn (Ranch 93) | 6/1/26 | 89.9 4.0 | 1444 | 52.9 2.3 | 0412 | 52.3 3.4 | 96 8 | 24 6 | 2.8 | 14.5 1.9 | 1449 | WNW | 283 | 0.00 | 19.27 | - | - | 30 10 |
| Suscol Upper (Ranch 92) | 6/1/26 | 86.1 4.9 | 1439 | 52.4 2.3 | 0548 | 50.8 2.1 | 100 10 | 3 28 | 0.0 | 8.0 3.4 | 1837 | SW | 236 | 0.00 | 22.76 | - | - | 50 20 |
| Stanly (Ranch 45) | 6/1/26 | 83.9 0.3 | 1457 | 46.2 2.9 | 0558 | 53.0 3.5 | 96 0 | 28 3 | 5.1 | 15.1 1.4 | 1659 | S | 190 | 0.00 | 22.51 | 0.256 0.004 | 771 8 | 70 20 |
| Carneros Upper (Ranch 81) | 6/1/26 | 86.5 3.1 | 1415 | 53.6 2.4 | 0059 | 50.2 2.3 | - | - | 4.7 | 20.0 5.1 | 1732 | W | 263 | - | - | - | - | 20 10 |
| Carneros (Mitsuko) | 6/1/26 | 85.2 1.3 | 1349 | 44.0 2.3 | 0555 | - | - | - | - | - | - | - | - | - | - | - | 50 20 |
| Carneros Lower (Ranch 81) | 6/1/26 | 89.2 2.5 | 1648 | 47.5 2.6 | 0601 | 49.8 2.4 | 100 0 | 0 0 | 1.5 | 11.4 1.4 | 1433 | S | 170 | 0.00 | 19.55 | 0.202 0.008 | 639 6 | 50 20 |
| Carneros (Milton Rd) | 6/1/26 | 84.1 2.9 | 1416 | 46.1 2.3 | 0532 | 52.1 3.0 | 94 1 | 31 0 | - | - | - | - | 0.00 | 18.07 | - | - | 50 20 |
| Max | 91.7 | - | 62.0 | - | 55.4 | 100 | 34 | 5.1 | 20.0 | - | - | 0.00 | 34.60 | 0.256 | 807 | - | |
| Avg | - | - | - | - | 50.1 | - | - | 2.7 | - | - | - | - | - | - | - | - | |
| Min | 82.6 | - | 44.0 | - | 33.0 | 57 | 0 | 0.0 | 8.0 | - | - | 0.00 | 8.94 | 0.138 | 355 | - |