| 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 | 9/6/26 | 79.3 4.7 | 1602 | 44.3 0.8 | 0105 | - | - | - | - | - | - | - | 0.00 | 0.82 | - | - | 60 20 |
| Pope Valley (Weeks Lake) | 9/6/26 | 82.9 2.1 | 1635 | 37.0 1.4 | 0624 | 42.5 0.7 | 100 0 | 22 1 | 1.7 0.0 | 14.2 1.5 | 1518 | SSW | 201 | 0.00 | 0.03 | 0.168 0.004 | 510 1 | 60 20 |
| Dollarhide Base | 9/6/26 | 86.0 2.1 | 1616 | 44.4 0.8 | 0457 | 46.9 0.8 | 96 3 | 23 4 | 2.9 0.2 | 16.7 0.1 | 1819 | S | 185 | 0.00 | 0.00 | 0.195 0.000 | 556 10 | 30 10 |
| Dollarhide 1AS Remote | 9/6/26 | 86.8 1.7 | 1514 | 37.8 0.9 | 0613 | 43.4 0.9 | 91 1 | 22 5 | 2.3 0.3 | 16.1 1.8 | 1806 | S | 180 | - | - | - | - | 50 10 |
| Dollarhide 16A Remote | 9/6/26 | 86.3 2.4 | 1609 | 42.9 1.2 | 0600 | 46.5 0.9 | 96 2 | 24 2 | - | - | - | - | - | - | - | - | 30 10 |
| Dollarhide 18A Remote | 9/6/26 | 84.4 0.9 | 1555 | 35.4 1.1 | 0635 | 43.0 0.8 | 95 1 | 23 4 | - | - | - | - | - | - | - | - | 60 20 |
| Hardin Rd (Eakle) | 9/6/26 | 85.2 2.0 | 1523 | 40.4 1.0 | 0631 | - | - | - | - | - | - | - | - | - | - | - | 60 20 |
| Angwin | 9/6/26 | 74.9 1.9 | 1603 | 53.0 1.5 | 0600 | 41.9 1.8 | 65 19 | 28 4 | 2.5 0.7 | 13.5 1.3 | 1337 | ESE | 121 | 0.00 | 0.30 | 0.040 0.002 | 0 0 | 30 10 |
| Lower Angwin (Pioneer) | 9/6/26 | 76.5 1.7 | 1640 | 35.6 1.9 | 0503 | - | - | - | 1.8 0.1 | 14.0 2.7 | 1359 | SW | 235 | - | - | - | - | 90 20 |
| Las Posadas (Cal Fire) | 9/6/26 | 79.7 2.4 | 1545 | 46.1 1.7 | 0459 | 45.0 1.2 | 93 4 | 24 7 | 7.4 2.2 | 19.2 1.3 | 1755 | SSW | 193 | 0.00 | 0.23 | 0.198 0.016 | 520 6 | - |
| Deer Park | 9/6/26 | 83.9 1.0 | 1552 | 49.9 0.1 | 0543 | 46.5 0.2 | 90 3 | 20 4 | 2.8 0.6 | 15.0 0.4 | 1326 | NW | 325 | 0.00 | 0.04 | 0.148 0.005 | 380 6 | 80 20 |
| Lower Chiles Valley (Brown) | 9/6/26 | 80.8 0.0 | 1504 | 37.9 0.6 | 0608 | 43.6 0.1 | 100 0 | 25 0 | 2.3 0.4 | 16.5 2.0 | 1359 | WNW | 288 | 0.00 | 0.14 | 0.178 0.002 | 563 3 | 60 20 |
| Moss Creek Vineyard/Reservior | 9/6/26 | 84.9 0.6 | 1331 | 42.5 1.3 | 0630 | 44.3 1.0 | 94 4 | 15 2 | - | - | - | - | 0.00 | 0.04 | - | - | 60 20 |
| Max | 86.8 | - | 53.0 | - | 46.9 | 100 | 28 | 7.4 | 19.2 | - | - | 0.00 | 0.82 | 0.198 | 563 | - | |
| Avg | - | - | - | - | 44.4 | - | - | 3.0 | - | - | - | - | - | - | - | - | |
| Min | 74.9 | - | 35.4 | - | 41.9 | 65 | 15 | 1.7 | 13.5 | - | - | 0.00 | 0.00 | 0.040 | 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 | 9/6/26 | 85.0 0.2 | 1451 | 42.6 2.5 | 0632 | 48.0 0.3 | 97 1 | 29 1 | - | - | - | - | 0.00 | 0.09 | - | - | 80 20 |
| Diamond Mtn (Schramsberg) | 9/6/26 | 81.4 1.9 | 1521 | 50.6 0.4 | 0534 | 46.0 0.4 | 86 7 | 23 2 | - | - | - | - | 0.00 | 0.13 | - | - | 50 20 |
| Diamond Mtn (McEachran) | 9/6/26 | 82.3 2.6 | 1652 | 48.2 1.1 | 0714 | 46.0 0.9 | 88 7 | 24 3 | - | - | - | - | - | - | - | - | 40 20 |
| St. Helena-North | 9/6/26 | 85.4 1.9 | 1531 | 44.2 2.0 | 0647 | 44.0 0.6 | 90 1 | 19 2 | 1.6 | 11.2 0.0 | 1251 | NNW | 342 | 0.00 | 0.11 | 0.150 0.002 | 476 21 | 60 20 |
| St. Helena (NVV Office) | 9/6/26 | 87.0 2.8 | 1532 | 44.8 1.5 | 0702 | - | - | - | 1.0 | 7.7 6.5 | 1850 | SE | 127 | 0.00 | 0.04 | - | - | 50 10 |
| Tiara Fria (East St. Helena) | 9/6/26 | 83.8 0.7 | 1452 | 42.4 0.8 | 0637 | 45.5 0.1 | 90 1 | 19 5 | 1.7 | 12.4 2.1 | 1727 | S | 169 | 0.00 | 0.02 | - | - | 80 20 |
| Prisoner Winery | 9/6/26 | 86.1 0.3 | 1603 | 42.9 1.1 | 0712 | 46.5 0.3 | 97 1 | 19 6 | 1.3 | 9.9 2.2 | 1452 | NW | 311 | 0.00 | 0.06 | 0.029 0.002 | 0 0 | 30 10 |
| Rutherford Hill Estate | 9/6/26 | 84.4 1.1 | 1448 | 48.6 1.1 | 0705 | 49.0 1.0 | 100 0 | 22 3 | 1.6 | 13.2 0.7 | 1534 | S | 175 | 0.00 | 0.08 | 0.148 0.002 | 460 1 | 80 20 |
| Rutherford-North (Mee Ln) | 9/6/26 | 84.5 1.3 | 1448 | 40.8 0.7 | 0615 | 46.0 0.1 | 94 0 | 21 6 | 2.4 | 15.8 1.5 | 1510 | SE | 134 | 0.00 | 0.06 | 0.167 0.004 | 487 5 | 80 20 |
| Rutherford (STS) | 9/6/26 | 85.7 0.8 | 1444 | 40.3 0.8 | 0637 | 48.8 0.7 | 92 0 | 25 5 | 1.9 | 14.5 1.4 | 1454 | SSE | 148 | 0.00 | 0.05 | 0.180 0.005 | 558 6 | 100 0 |
| Oakville-NE (Ranch 88) | 9/6/26 | 84.6 0.5 | 1410 | 39.2 1.1 | 0651 | 43.8 0.1 | 86 3 | 20 3 | 1.9 | 17.2 3.7 | 1531 | S | 189 | 0.00 | 0.04 | 0.163 0.006 | 473 7 | 100 0 |
| OV561-East | 9/6/26 | 84.4 0.5 | 1624 | 42.1 0.5 | 0706 | - | - | - | - | - | - | - | - | - | - | - | 80 20 |
| Oakville | 9/6/26 | 82.4 0.1 | 1416 | 40.8 1.3 | 0649 | 46.2 0.5 | 92 2 | 22 3 | 2.8 | 18.0 3.9 | 1606 | E | 93 | 0.00 | 0.03 | 0.184 0.001 | 558 6 | 100 0 |
| OV518-West | 9/6/26 | 80.4 0.3 | 1447 | 41.8 1.3 | 0706 | - | - | - | - | - | - | - | - | - | - | - | 100 0 |
| To Kalon Remote (TKKE) | 9/6/26 | 84.8 0.9 | 1444 | 42.1 0.9 | 0613 | - | - | - | - | - | - | - | - | - | - | - | 100 0 |
| To Kalon | 9/6/26 | 84.1 1.0 | 1516 | 42.5 1.2 | 0629 | 46.9 0.2 | 96 1 | 22 4 | 2.2 | 13.2 2.8 | 1533 | SSE | 158 | 0.00 | 0.00 | 0.174 0.000 | 538 4 | 100 10 |
| To Kalon Remote (TKN5) | 9/6/26 | 84.3 0.9 | 1428 | 42.3 0.9 | 0636 | - | - | - | - | - | - | - | - | - | - | - | 100 0 |
| Yountville (Ranch 67) | 9/6/26 | 79.8 2.3 | 1338 | 41.2 0.2 | 0624 | 46.2 1.4 | 91 0 | 29 8 | 2.8 | 20.2 6.1 | 1527 | E | 93 | 0.00 | 0.05 | 0.180 0.001 | 601 11 | 100 0 |
| Stags Leap Dist (Silverado Vineyards) | 9/6/26 | 79.9 3.1 | 1634 | 42.4 0.0 | 0653 | 46.7 1.3 | 95 0 | 28 7 | 2.1 | 16.4 4.4 | 1520 | ENE | 69 | 0.00 | 0.07 | 0.175 0.007 | 549 6 | 100 20 |
| Borreo (Soda Canyon) | 9/6/26 | 77.2 2.9 | 1345 | 44.0 1.7 | 0640 | 47.4 1.1 | 98 0 | 31 8 | 2.0 | 13.3 2.1 | 1603 | SE | 144 | 0.00 | 0.31 | 0.172 0.004 | 579 6 | 70 20 |
| Wappo Hill Floor | 9/6/26 | 80.3 2.2 | 1635 | 41.0 0.8 | 0707 | 48.3 1.6 | 100 0 | 29 7 | 2.7 | 17.8 5.3 | 1456 | SE | 144 | 0.00 | 0.10 | 0.173 0.003 | 526 9 | 100 0 |
| Stags Leap Dist (Chimney Rock) | 9/6/26 | 79.6 2.9 | 1633 | 41.5 0.1 | 0718 | 49.9 0.9 | 99 0 | 36 8 | 2.4 | 15.0 1.7 | 1433 | E | 97 | 0.00 | 0.10 | 0.156 0.005 | 500 6 | 100 0 |
| Yountville-South (Ranch 87) | 9/6/26 | 81.9 1.4 | 1613 | 42.2 0.6 | 0645 | 48.1 0.9 | 100 0 | 29 5 | 1.8 | 15.4 4.6 | 1509 | S | 179 | 0.00 | 0.09 | 0.155 0.001 | 467 5 | 100 10 |
| Yountville-SE (Ranch 85) | 9/6/26 | 79.4 3.6 | 1656 | 42.2 1.0 | 0653 | 48.9 1.2 | 95 2 | 31 8 | 2.2 | 17.1 5.7 | 1402 | SSE | 161 | 0.00 | 0.08 | - | 0 0 | 100 0 |
| Oak Knoll-East (Ranch 53) | 9/6/26 | 79.6 3.4 | 1728 | 43.0 1.3 | 0655 | 47.7 0.5 | 92 2 | 29 7 | 2.0 | 16.0 3.1 | 1442 | SSE | 147 | 0.00 | 0.15 | 0.177 0.003 | 580 5 | 100 0 |
| Napa-NW (Ranch 54) | 9/6/26 | 82.2 1.1 | 1602 | 44.3 2.3 | 0621 | 47.9 0.1 | 93 7 | 27 5 | 0.8 | 10.9 1.3 | 1351 | WSW | 245 | 0.00 | 0.18 | - | 0 0 | 100 0 |
| Napa-North (Ranch 29) | 9/6/26 | 78.3 3.5 | 1711 | 43.5 1.1 | 0654 | 50.1 0.4 | 100 0 | 33 2 | 1.9 | 16.7 4.5 | 1555 | S | 176 | 0.00 | 0.10 | 0.120 0.002 | 350 4 | 100 0 |
| Max | 87.0 | - | 50.6 | - | 50.1 | 100 | 36 | 2.8 | 20.2 | - | - | 0.00 | 0.31 | 0.184 | 601 | - | |
| Avg | - | - | - | - | 47.2 | - | - | 2.0 | - | - | - | - | - | - | - | - | |
| Min | 77.2 | - | 39.2 | - | 43.8 | 86 | 19 | 0.8 | 7.7 | - | - | 0.00 | 0.00 | 0.029 | 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 | 9/6/26 | 77.4 2.6 | 1449 | 51.9 1.9 | 0620 | 44.6 1.0 | 80 5 | 24 8 | 1.5 | 11.5 3.4 | 1527 | SSE | 158 | 0.00 | 0.45 | 0.170 0.011 | 662 47 | 30 10 |
| Mount George (Napa East) | 9/6/26 | 77.3 2.1 | 1607 | 42.2 0.9 | 0649 | 49.2 1.7 | 98 0 | 33 4 | 1.5 | 11.8 0.6 | 1725 | ESE | 119 | 0.00 | 0.16 | 0.166 0.005 | 562 6 | 60 20 |
| Napa-East (Palmaz 300') | 9/6/26 | 81.3 2.9 | 1330 | 45.2 1.2 | 0640 | 49.5 0.7 | 100 0 | 30 4 | 2.2 | 13.9 1.8 | 1508 | SW | 216 | 0.00 | 0.16 | 0.159 0.004 | 501 0 | 100 0 |
| 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') | 9/6/26 | 74.3 2.4 | 1347 | 46.1 1.2 | 0617 | 49.2 0.9 | 100 0 | 40 5 | 2.6 | 14.1 0.2 | 1743 | SW | 228 | 0.00 | 0.33 | 0.156 0.006 | 543 6 | 40 10 |
| Wooden Valley | 9/6/26 | 77.7 1.7 | 1414 | 46.5 3.7 | 0528 | 46.5 1.8 | 92 4 | 31 4 | 3.4 | 16.2 1.9 | 1547 | SW | 226 | 0.00 | 0.04 | 0.175 0.001 | 551 1 | 50 20 |
| Napa-West Upper (Truchard) | 9/6/26 | 80.7 3.3 | 1629 | 48.1 1.5 | 0632 | 21.8 2.0 | 100 0 | 0 0 | 3.3 | 20.5 3.0 | 1502 | S | 171 | 0.00 | 0.10 | 0.186 0.004 | 559 6 | 100 0 |
| Napa-West Lower (Truchard) | 9/6/26 | 80.9 3.1 | 1642 | 39.8 1.5 | 0629 | 46.0 0.4 | 97 0 | 27 1 | - | - | - | - | - | - | - | - | 100 0 |
| Napa-South (Toyon Farms) | 9/6/26 | 78.7 3.4 | 1649 | 48.0 1.3 | 0637 | 52.4 0.0 | 100 0 | 36 1 | 3.6 | 18.7 3.9 | 1530 | SSE | 164 | 0.00 | 0.07 | 0.098 0.004 | 253 7 | 100 0 |
| Toyon Remote 1 | 9/6/26 | 80.1 4.1 | 1643 | 42.2 2.3 | 0625 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 2 | 9/6/26 | 79.6 2.0 | 1655 | 0.0 43.2 | 0100 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 3 | 9/6/26 | 82.1 2.4 | 1706 | 41.3 1.9 | 0559 | - | - | - | - | - | - | - | - | - | - | - | - |
| Dealy Lane (Ranch 80) | 9/6/26 | 80.6 1.5 | 1325 | 46.0 0.5 | 0611 | 48.3 0.5 | 96 1 | 27 1 | 2.5 | 16.8 2.2 | 1516 | SSE | 152 | 0.00 | 0.08 | 0.169 0.005 | 547 4 | 100 0 |
| Carneros (Saintsbury) | 9/6/26 | 78.4 2.4 | 1649 | 42.6 0.2 | 0701 | 48.6 0.1 | 100 0 | 28 0 | 4.5 | 20.2 1.4 | 1430 | SE | 142 | 0.00 | 0.08 | - | - | 80 20 |
| Suscol Lower (Ranch 35) | 9/6/26 | 77.4 3.5 | 1503 | 46.6 0.4 | 0528 | 50.3 0.6 | 100 0 | 32 4 | 4.6 | 20.0 2.6 | 1503 | SW | 230 | 0.00 | 0.15 | 0.173 0.005 | 516 14 | 100 20 |
| Suscol Mtn (Ranch 93) | 9/6/26 | 79.0 2.0 | 1505 | 51.0 2.1 | 0706 | 51.2 0.8 | 95 1 | 38 10 | 4.8 | 19.8 2.9 | 1539 | W | 261 | 0.00 | 0.33 | - | - | 70 20 |
| Suscol Upper (Ranch 92) | 9/6/26 | 75.6 2.9 | 1538 | 50.9 1.5 | 0613 | 50.1 16.7 | 100 0 | 0 0 | 3.3 | 19.7 0.9 | 1546 | SSW | 197 | 0.00 | 0.15 | - | - | 10 10 |
| Stanly (Ranch 45) | 9/6/26 | 77.9 2.6 | 1749 | 42.1 2.1 | 0700 | 49.5 0.3 | 96 0 | 31 2 | 4.8 | 19.3 2.1 | 1541 | SSW | 198 | 0.00 | 0.15 | 0.164 0.006 | 490 9 | 100 0 |
| Carneros Upper (Ranch 81) | 9/6/26 | 78.0 3.1 | 1553 | 51.8 0.6 | 0735 | 49.8 0.9 | - | - | 5.9 | 22.9 3.6 | 1456 | SSW | 208 | - | - | - | - | 60 20 |
| Carneros (Mitsuko) | 9/6/26 | 79.3 2.7 | 1629 | 39.6 2.8 | 0548 | - | - | - | - | - | - | - | - | - | - | - | 100 10 |
| Carneros Lower (Ranch 81) | 9/6/26 | 84.1 1.5 | 1633 | 43.6 1.7 | 0608 | 45.8 0.8 | 100 0 | 0 0 | 0.9 | 17.5 4.8 | 1448 | SE | 143 | 0.00 | 0.01 | 0.018 0.007 | 0 1 | 90 20 |
| Carneros (Milton Rd) | 9/6/26 | 78.4 2.4 | 1706 | 42.5 2.9 | 0443 | 48.7 0.5 | 94 0 | 29 1 | - | - | - | - | 0.00 | 0.00 | - | - | 100 0 |
| Max | 84.1 | - | 51.9 | - | 52.4 | 100 | 40 | 5.9 | 22.9 | - | - | 0.00 | 0.45 | 0.186 | 662 | - | |
| Avg | - | - | - | - | 47.2 | - | - | 3.3 | - | - | - | - | - | - | - | - | |
| Min | 74.3 | - | 0.0 | - | 21.8 | 80 | 0 | 0.9 | 11.5 | - | - | 0.00 | 0.00 | 0.018 | 0 | - |