| 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 | 9/9/26 | 94.4 3.3 | 1432 | 59.4 9.2 | 0253 | - | - | - | - | - | - | - | 0.00 | 0.82 | - | - | 60 10 |
| Pope Valley (Weeks Lake) | 9/9/26 | 101.4 6.8 | 1442 | 49.7 8.8 | 0639 | 46.1 2.9 | 87 13 | 10 3 | 1.1 0.1 | 9.6 2.2 | 1247 | S | 189 | 0.00 | 0.03 | 0.147 0.024 | 399 111 | 30 10 |
| Dollarhide Base | 9/9/26 | 105.3 8.3 | 1441 | 56.4 7.3 | 0642 | 48.8 1.4 | 80 14 | 12 5 | 1.8 0.3 | 10.7 5.0 | 1633 | SW | 214 | 0.00 | 0.00 | 0.173 0.027 | 432 112 | 0 10 |
| Dollarhide 1AS Remote | 9/9/26 | 105.0 6.7 | 1442 | 49.5 8.6 | 0625 | 47.6 3.8 | 81 8 | 13 3 | 1.1 0.2 | 11.0 2.0 | 1603 | W | 269 | - | - | - | - | 20 10 |
| Dollarhide 16A Remote | 9/9/26 | 104.0 7.5 | 1358 | 55.2 8.0 | 0520 | 49.6 1.8 | 83 12 | 15 3 | - | - | - | - | - | - | - | - | 0 10 |
| Dollarhide 18A Remote | 9/9/26 | 104.0 5.6 | 1401 | 47.4 8.8 | 0646 | 47.6 3.3 | 87 6 | 12 4 | - | - | - | - | - | - | - | - | 30 10 |
| Hardin Rd (Eakle) | 9/9/26 | 101.0 5.5 | 1401 | 51.8 7.9 | 0630 | - | - | - | - | - | - | - | - | - | - | - | 30 10 |
| Angwin | 9/9/26 | 93.1 4.3 | 1519 | 72.0 8.9 | 0101 | 34.5 2.4 | 28 17 | 11 1 | 3.6 0.2 | 12.5 0.9 | 0922 | NNW | 336 | 0.00 | 0.30 | 0.092 0.018 | 0 0 | 90 20 |
| Lower Angwin (Pioneer) | 9/9/26 | 94.0 3.3 | 1351 | 60.4 15.8 | 0019 | - | - | - | 2.0 0.1 | 10.7 0.0 | 1613 | SSW | 194 | - | - | - | - | 100 10 |
| Las Posadas (Cal Fire) | 9/9/26 | 97.7 5.0 | 1348 | 66.3 8.5 | 0456 | 42.0 0.7 | 41 21 | 13 2 | 4.3 0.6 | 17.2 0.6 | 1348 | W | 266 | 0.00 | 0.23 | 0.212 0.002 | 387 113 | - |
| Deer Park | 9/9/26 | 100.9 3.8 | 1342 | 67.3 3.3 | 0629 | 39.0 1.7 | 33 15 | 10 1 | 3.2 0.3 | 13.7 0.3 | 1721 | WNW | 297 | 0.00 | 0.04 | 0.182 0.002 | 301 82 | 70 10 |
| Lower Chiles Valley (Brown) | 9/9/26 | 101.1 5.4 | 1353 | 51.2 8.9 | 0603 | 42.7 1.0 | 74 22 | 10 3 | 1.6 0.1 | 14.2 8.8 | 1624 | NW | 305 | 0.00 | 0.14 | 0.180 0.022 | 445 115 | 30 10 |
| Moss Creek Vineyard/Reservior | 9/9/26 | 103.4 6.7 | 1451 | 55.9 8.7 | 0651 | 44.1 0.6 | 73 18 | 10 1 | - | - | - | - | 0.00 | 0.04 | - | - | 30 10 |
| Max | 105.3 | - | 72.0 | - | 49.6 | 87 | 15 | 4.3 | 17.2 | - | - | 0.00 | 0.82 | 0.212 | 445 | - | |
| Avg | - | - | - | - | 44.2 | - | - | 2.3 | - | - | - | - | - | - | - | - | |
| Min | 93.1 | - | 47.4 | - | 34.5 | 28 | 10 | 1.1 | 9.6 | - | - | 0.00 | 0.00 | 0.092 | 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 | 9/9/26 | 102.4 1.5 | 1241 | 55.8 8.2 | 0632 | 48.7 1.5 | 73 18 | 13 0 | - | - | - | - | 0.00 | 0.09 | - | - | 50 10 |
| Diamond Mtn (Schramsberg) | 9/9/26 | 99.3 5.8 | 1601 | 70.3 4.6 | 0623 | 38.9 0.4 | 32 13 | 10 1 | - | - | - | - | 0.00 | 0.13 | - | - | 70 10 |
| Diamond Mtn (McEachran) | 9/9/26 | 99.0 1.7 | 1547 | 66.9 6.5 | 0658 | 40.8 1.6 | 43 14 | 11 0 | - | - | - | - | - | - | - | - | 50 10 |
| St. Helena-North | 9/9/26 | 103.3 5.1 | 1526 | 57.4 7.3 | 0608 | 41.9 1.6 | 64 15 | 7 0 | 1.5 | 9.9 3.5 | 1410 | N | 351 | 0.00 | 0.11 | 0.142 0.039 | 367 111 | 30 10 |
| St. Helena (NVV Office) | 9/9/26 | 103.9 3.4 | 1550 | 58.8 8.2 | 0649 | - | - | - | 1.1 | 7.4 1.0 | 1646 | NNW | 339 | 0.00 | 0.04 | - | - | 20 10 |
| Tiara Fria (East St. Helena) | 9/9/26 | 101.2 3.2 | 1556 | 56.3 8.2 | 0554 | 46.2 2.8 | 71 14 | 12 1 | 1.6 | 11.8 0.2 | 1712 | NW | 304 | 0.00 | 0.02 | - | - | 50 10 |
| Prisoner Winery | 9/9/26 | 104.1 3.9 | 1453 | 56.3 6.9 | 0642 | 45.6 2.0 | 74 15 | 10 1 | 1.5 | 10.3 0.3 | 1445 | N | 352 | 0.00 | 0.06 | 0.049 0.000 | 0 24 | 0 10 |
| Rutherford Hill Estate | 9/9/26 | 105.1 5.1 | 1556 | 66.6 6.0 | 0725 | 43.9 0.7 | 45 14 | 11 0 | 1.5 | 9.4 1.1 | 1505 | WSW | 247 | 0.00 | 0.08 | 0.144 0.020 | 360 99 | 50 10 |
| Rutherford-North (Mee Ln) | 9/9/26 | 102.7 2.3 | 1404 | 55.5 5.7 | 0507 | 49.5 4.9 | 74 10 | 12 2 | 1.7 | 9.6 5.0 | 1534 | NNW | 327 | 0.00 | 0.06 | 0.153 0.025 | 381 110 | 50 10 |
| Rutherford (STS) | 9/9/26 | 106.0 5.3 | 1451 | 54.3 3.5 | 0621 | 51.9 3.4 | 82 6 | 15 4 | 1.7 | 10.7 5.3 | 1540 | NW | 308 | 0.00 | 0.05 | 0.170 0.025 | 439 124 | 70 10 |
| Oakville-NE (Ranch 88) | 9/9/26 | 103.4 3.4 | 1533 | 53.6 6.3 | 0650 | 45.7 4.2 | 72 11 | 9 1 | 1.0 | 11.1 1.4 | 1531 | NNE | 27 | 0.00 | 0.04 | 0.142 0.025 | 378 100 | 70 10 |
| OV561-East | 9/9/26 | 105.8 3.3 | 1521 | 55.1 5.3 | 0636 | - | - | - | - | - | - | - | - | - | - | - | 50 10 |
| Oakville | 9/9/26 | 102.3 4.1 | 1521 | 54.5 7.6 | 0651 | 48.2 4.2 | 76 11 | 9 1 | 1.5 | 9.9 0.7 | 1612 | WSW | 252 | 0.00 | 0.03 | 0.161 0.029 | 428 125 | 70 10 |
| OV518-West | 9/9/26 | 101.1 2.5 | 1530 | 55.1 5.1 | 0649 | - | - | - | - | - | - | - | - | - | - | - | 70 10 |
| To Kalon Remote (TKKE) | 9/9/26 | 104.9 4.8 | 1436 | 55.2 4.7 | 0627 | - | - | - | - | - | - | - | - | - | - | - | 70 10 |
| To Kalon | 9/9/26 | 103.8 3.4 | 1521 | 55.4 4.9 | 0645 | 46.3 1.6 | 74 9 | 10 1 | 1.5 | 10.3 0.2 | 1616 | WNW | 289 | 0.00 | 0.00 | 0.160 0.032 | 412 125 | 70 10 |
| To Kalon Remote (TKN5) | 9/9/26 | 103.9 4.5 | 1530 | 55.6 5.6 | 0642 | - | - | - | - | - | - | - | - | - | - | - | 70 10 |
| Yountville (Ranch 67) | 9/9/26 | 101.9 5.9 | 1521 | 54.3 6.6 | 0632 | 47.2 3.2 | 74 12 | 11 0 | 1.9 | 10.9 1.8 | 1617 | W | 272 | 0.00 | 0.05 | 0.170 0.024 | 461 121 | 70 10 |
| Stags Leap Dist (Silverado Vineyards) | 9/9/26 | 102.7 5.9 | 1543 | 54.0 5.0 | 0631 | 46.3 2.8 | 76 10 | 10 0 | 0.9 | 6.7 2.9 | 1412 | S | 170 | 0.00 | 0.07 | 0.151 0.040 | 441 106 | 80 10 |
| Borreo (Soda Canyon) | 9/9/26 | 101.5 6.5 | 1529 | 57.6 6.5 | 0640 | 44.6 0.7 | 64 17 | 10 0 | 1.6 | 10.7 1.1 | 1531 | W | 274 | 0.00 | 0.31 | 0.152 0.017 | 389 91 | 70 10 |
| Wappo Hill Floor | 9/9/26 | 103.6 5.6 | 1519 | 54.8 8.1 | 0638 | 47.2 2.4 | 77 13 | 11 1 | 1.8 | 11.5 0.5 | 1609 | N | 0 | 0.00 | 0.10 | 0.171 0.018 | 414 115 | 70 10 |
| Stags Leap Dist (Chimney Rock) | 9/9/26 | 103.3 6.3 | 1525 | 54.0 7.5 | 0554 | 53.7 3.8 | 87 8 | 19 2 | 1.5 | 10.7 0.2 | 1624 | WNW | 302 | 0.00 | 0.10 | 0.151 0.025 | 393 107 | 70 10 |
| Yountville-South (Ranch 87) | 9/9/26 | 103.4 5.3 | 1518 | 54.9 7.9 | 0656 | 50.8 5.2 | 77 13 | 13 1 | 0.8 | 8.6 2.6 | 1625 | NW | 319 | 0.00 | 0.09 | 0.137 0.028 | 376 82 | 70 10 |
| Yountville-SE (Ranch 85) | 9/9/26 | 104.5 4.4 | 1454 | 54.9 8.4 | 0619 | 50.1 3.6 | 79 12 | 12 2 | 1.2 | 11.1 3.0 | 1626 | NNW | 347 | 0.00 | 0.08 | - | 0 0 | 70 10 |
| Oak Knoll-East (Ranch 53) | 9/9/26 | 103.9 4.6 | 1543 | 55.1 7.7 | 0608 | 49.3 5.1 | 79 8 | 12 3 | 1.0 | 12.9 3.0 | 1629 | NNW | 346 | 0.00 | 0.15 | 0.161 0.027 | 457 108 | 70 10 |
| Napa-NW (Ranch 54) | 9/9/26 | 104.5 4.7 | 1536 | 55.9 6.0 | 0643 | 48.0 3.6 | 72 12 | 11 2 | 0.6 | 7.8 0.4 | 1722 | NW | 312 | 0.00 | 0.18 | - | 0 0 | 70 10 |
| Napa-North (Ranch 29) | 9/9/26 | 103.9 4.8 | 1542 | 55.1 7.5 | 0701 | 51.7 3.5 | 84 16 | 13 1 | 0.8 | 7.4 2.0 | 1516 | S | 187 | 0.00 | 0.10 | 0.107 0.021 | 259 80 | 70 10 |
| Max | 106.0 | - | 70.3 | - | 53.7 | 87 | 19 | 1.9 | 12.9 | - | - | 0.00 | 0.31 | 0.171 | 461 | - | |
| Avg | - | - | - | - | 47.1 | - | - | 1.3 | - | - | - | - | - | - | - | - | |
| Min | 99.0 | - | 53.6 | - | 38.9 | 32 | 7 | 0.6 | 6.7 | - | - | 0.00 | 0.00 | 0.049 | 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 | 9/9/26 | 96.9 8.0 | 1427 | 75.1 8.3 | 0247 | 39.3 0.8 | 29 16 | 12 3 | 1.4 | 9.1 2.1 | 0946 | NNW | 339 | 0.00 | 0.45 | 0.267 0.023 | 954 125 | 80 10 |
| Mount George (Napa East) | 9/9/26 | 102.2 6.7 | 1618 | 55.3 4.4 | 0643 | 47.3 0.6 | 77 18 | 13 1 | 1.0 | 8.1 4.0 | 1522 | N | 350 | 0.00 | 0.16 | 0.163 0.024 | 468 90 | 30 10 |
| Napa-East (Palmaz 300') | 9/9/26 | 107.2 5.8 | 1520 | 58.4 8.0 | 0549 | 47.0 1.3 | 71 17 | 10 2 | 1.6 | 8.8 1.9 | 1535 | NW | 308 | 0.00 | 0.16 | 0.158 0.028 | 412 95 | 70 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') | 9/9/26 | 97.8 5.3 | 1525 | 60.2 5.8 | 0630 | 43.3 1.2 | 55 20 | 14 2 | 2.6 | 11.5 10.8 | 1341 | SW | 221 | 0.00 | 0.33 | 0.185 0.008 | 445 91 | 40 10 |
| Wooden Valley | 9/9/26 | 100.7 6.0 | 1531 | 53.2 9.9 | 0640 | 43.0 1.7 | 72 19 | 11 1 | 1.5 | 11.0 0.2 | 1620 | W | 272 | 0.00 | 0.04 | 0.173 0.011 | 447 102 | 20 10 |
| Napa-West Upper (Truchard) | 9/9/26 | 106.8 7.5 | 1522 | 62.8 6.3 | 0617 | 46.4 1.2 | 76 6 | 10 2 | 1.5 | 13.6 2.4 | 1557 | SW | 221 | 0.00 | 0.10 | 0.239 0.005 | 746 19 | 70 10 |
| Napa-West Lower (Truchard) | 9/9/26 | 107.4 6.2 | 1509 | 52.5 7.0 | 0618 | 46.8 2.4 | 80 11 | 10 2 | - | - | - | - | - | - | - | - | 70 10 |
| Napa-South (Toyon Farms) | 9/9/26 | 104.5 6.2 | 1513 | 60.4 6.5 | 0558 | 54.0 2.2 | 82 4 | 16 3 | 2.2 | 11.0 1.2 | 1541 | SW | 215 | 0.00 | 0.07 | 0.109 0.006 | 204 50 | 70 10 |
| Toyon Remote 1 | 9/9/26 | 106.8 9.1 | 1554 | 54.3 6.0 | 0602 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 2 | 9/9/26 | 103.6 5.5 | 1521 | 54.4 7.3 | 0634 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 3 | 9/9/26 | 106.6 7.9 | 1600 | 53.5 7.0 | 0618 | - | - | - | - | - | - | - | - | - | - | - | - |
| Dealy Lane (Ranch 80) | 9/9/26 | 104.7 7.5 | 1458 | 56.0 6.6 | 0602 | 47.5 1.6 | 77 11 | 11 2 | 1.9 | 10.5 1.9 | 1609 | WNW | 297 | 0.00 | 0.08 | 0.174 0.014 | 444 105 | 70 10 |
| Carneros (Saintsbury) | 9/9/26 | 103.6 7.6 | 1502 | 57.8 7.3 | 0641 | 48.5 1.8 | 72 13 | 11 3 | 2.7 | 15.3 3.9 | 1613 | WSW | 255 | 0.00 | 0.08 | - | - | 50 10 |
| Suscol Lower (Ranch 35) | 9/9/26 | 101.9 6.0 | 1507 | 57.3 6.6 | 0559 | 46.7 0.0 | 74 13 | 13 2 | 2.9 | 12.4 0.4 | 1555 | SSW | 209 | 0.00 | 0.15 | 0.190 0.013 | 439 76 | 70 10 |
| Suscol Mtn (Ranch 93) | 9/9/26 | 101.6 2.3 | 1452 | 70.0 4.6 | 0619 | 42.6 0.9 | 40 12 | 12 2 | 3.7 | 18.8 3.7 | 1453 | WNW | 290 | 0.00 | 0.33 | - | - | 100 0 |
| Suscol Upper (Ranch 92) | 9/9/26 | 100.6 4.2 | 1454 | 67.8 4.2 | 0630 | 43.6 0.8 | 45 10 | 13 1 | 1.3 | 13.3 0.9 | 1702 | W | 259 | 0.00 | 0.15 | - | - | 10 10 |
| Stanly (Ranch 45) | 9/9/26 | 102.3 1.7 | 1506 | 55.6 7.6 | 0623 | 50.3 2.3 | 83 7 | 12 0 | 3.0 | 14.0 2.6 | 1519 | S | 190 | 0.00 | 0.15 | 0.189 0.004 | 413 80 | 70 10 |
| Carneros Upper (Ranch 81) | 9/9/26 | 102.5 4.5 | 1519 | 65.4 6.1 | 0708 | 44.5 0.4 | - | - | 5.0 | 18.7 2.8 | 1441 | WSW | 248 | - | - | - | - | 30 10 |
| Carneros (Mitsuko) | 9/9/26 | 104.0 6.1 | 1500 | 52.3 7.4 | 0606 | - | - | - | - | - | - | - | - | - | - | - | 70 10 |
| Carneros Lower (Ranch 81) | 9/9/26 | 108.0 9.8 | 1501 | 55.5 6.7 | 0625 | 49.3 2.0 | 82 18 | 10 10 | 1.0 | 13.8 2.5 | 1602 | NNW | 330 | 0.00 | 0.01 | 0.031 0.006 | 0 0 | 60 10 |
| Carneros (Milton Rd) | 9/9/26 | 102.6 6.4 | 1619 | 54.6 7.4 | 0628 | 49.0 2.3 | 82 6 | 11 3 | - | - | - | - | 0.00 | 0.00 | - | - | 70 10 |
| Max | 108.0 | - | 75.1 | - | 54.0 | 83 | 16 | 5.0 | 18.8 | - | - | 0.00 | 0.45 | 0.267 | 954 | - | |
| Avg | - | - | - | - | 46.4 | - | - | 2.2 | - | - | - | - | - | - | - | - | |
| Min | 96.9 | - | 52.3 | - | 39.3 | 29 | 10 | 1.0 | 8.1 | - | - | 0.00 | 0.00 | 0.031 | 0 | - |