| 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 | 10/8/26 | 94.5 1.3 | 1352 | 57.9 1.4 | 0125 | - | - | - | - | - | - | - | 0.00 | 0.82 | - | - | 0 10 |
| Pope Valley (Weeks Lake) | 10/8/26 | 101.8 1.1 | 1417 | 44.0 0.1 | 0658 | 41.0 0.2 | 85 5 | 10 1 | 1.5 0.1 | 12.9 0.0 | 1722 | W | 271 | 0.00 | 0.03 | 0.144 0.000 | 389 8 | 0 0 |
| Dollarhide Base | 10/8/26 | 104.0 0.9 | 1304 | 53.3 0.9 | 0629 | 45.8 0.4 | 79 1 | 14 2 | 2.0 0.0 | 14.8 1.5 | 1427 | SW | 218 | 0.00 | 0.00 | 0.156 0.002 | 381 7 | 0 0 |
| Dollarhide 1AS Remote | 10/8/26 | 102.2 0.1 | 1406 | 45.0 0.1 | 0709 | 44.0 0.3 | 81 0 | 14 1 | 1.2 0.0 | 15.3 0.9 | 1408 | SW | 224 | - | - | - | - | 0 0 |
| Dollarhide 16A Remote | 10/8/26 | 104.7 2.5 | 1426 | 50.9 1.3 | 0658 | 46.4 0.2 | 84 0 | 14 2 | - | - | - | - | - | - | - | - | 0 0 |
| Dollarhide 18A Remote | 10/8/26 | 102.4 0.2 | 1403 | 43.2 0.1 | 0714 | 43.7 0.1 | 86 1 | 14 1 | - | - | - | - | - | - | - | - | 0 10 |
| Hardin Rd (Eakle) | 10/8/26 | 100.6 0.3 | 1450 | 47.9 0.5 | 0709 | - | - | - | - | - | - | - | - | - | - | - | 0 10 |
| Angwin | 10/8/26 | 92.0 0.5 | 1415 | 73.1 2.4 | 0556 | 31.8 0.8 | 24 4 | 8 1 | 2.6 0.9 | 12.7 1.1 | 1350 | SW | 225 | 0.00 | 0.30 | 0.075 0.021 | 0 0 | 100 0 |
| Lower Angwin (Pioneer) | 10/8/26 | 94.0 0.0 | 1430 | 52.2 1.4 | 0637 | - | - | - | 1.3 0.3 | 16.5 7.2 | 1556 | NNW | 340 | - | - | - | - | 20 10 |
| Las Posadas (Cal Fire) | 10/8/26 | 96.7 0.3 | 1435 | 65.6 0.3 | 0345 | 38.6 0.8 | 42 3 | 13 0 | 4.8 0.4 | 18.5 2.9 | 1537 | SW | 236 | 0.00 | 0.23 | 0.206 0.011 | 380 8 | - |
| Deer Park | 10/8/26 | 100.7 0.9 | 1455 | 61.1 0.8 | 0406 | 40.3 0.4 | 54 2 | 11 1 | 2.5 0.6 | 14.1 3.1 | 1746 | NW | 312 | 0.00 | 0.04 | 0.144 0.008 | 294 7 | 80 10 |
| Lower Chiles Valley (Brown) | 10/8/26 | 98.3 0.8 | 1606 | 48.7 0.8 | 0656 | 40.2 0.7 | 75 2 | 11 1 | 2.1 0.8 | 12.8 1.3 | 1348 | NW | 305 | 0.00 | 0.14 | 0.177 0.014 | 433 8 | 0 0 |
| Moss Creek Vineyard/Reservior | 10/8/26 | 102.0 1.2 | 1531 | 54.0 1.2 | 0649 | 42.6 1.0 | 72 1 | 9 0 | - | - | - | - | 0.00 | 0.04 | - | - | 0 0 |
| Max | 104.7 | - | 73.1 | - | 46.4 | 86 | 14 | 4.8 | 18.5 | - | - | 0.00 | 0.82 | 0.206 | 433 | - | |
| Avg | - | - | - | - | 41.4 | - | - | 2.3 | - | - | - | - | - | - | - | - | |
| Min | 92.0 | - | 43.2 | - | 31.8 | 24 | 8 | 1.2 | 12.7 | - | - | 0.00 | 0.00 | 0.075 | 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 | 10/8/26 | 101.3 1.3 | 1318 | 49.1 1.1 | 0722 | 45.3 0.4 | 73 6 | 15 0 | - | - | - | - | 0.00 | 0.09 | - | - | 0 10 |
| Diamond Mtn (Schramsberg) | 10/8/26 | 99.2 1.9 | 1502 | 64.8 0.8 | 0356 | 38.2 0.2 | 47 5 | 11 1 | - | - | - | - | 0.00 | 0.13 | - | - | 100 0 |
| Diamond Mtn (McEachran) | 10/8/26 | 99.1 0.0 | 1408 | 59.4 1.2 | 0630 | 40.0 0.2 | 48 6 | 12 1 | - | - | - | - | - | - | - | - | 60 10 |
| St. Helena-North | 10/8/26 | 101.9 1.7 | 1530 | 50.6 1.7 | 0725 | 39.1 0.3 | 67 4 | 9 1 | 1.9 | 13.2 2.0 | 1551 | NW | 321 | 0.00 | 0.11 | 0.139 0.004 | 367 6 | 0 0 |
| St. Helena (NVV Office) | 10/8/26 | 101.7 1.0 | 1536 | 50.9 0.4 | 0641 | - | - | - | 0.9 | 9.6 1.2 | 1617 | NNW | 341 | 0.00 | 0.04 | - | - | 0 0 |
| Tiara Fria (East St. Helena) | 10/8/26 | 100.8 1.7 | 1540 | 48.7 0.4 | 0620 | 45.4 0.3 | 81 4 | 12 1 | 1.3 | 10.8 1.2 | 1552 | NW | 316 | 0.00 | 0.02 | - | - | 0 0 |
| Prisoner Winery | 10/8/26 | 101.5 0.3 | 1617 | 49.4 0.2 | 0621 | 44.9 0.7 | 81 6 | 11 1 | 1.0 | 10.2 3.5 | 1703 | NW | 306 | 0.00 | 0.06 | 0.033 0.005 | 0 0 | 0 0 |
| Rutherford Hill Estate | 10/8/26 | 103.8 1.9 | 1626 | 57.1 1.4 | 0524 | 46.2 0.9 | 76 5 | 12 1 | 1.2 | 9.9 0.2 | 1714 | W | 278 | 0.00 | 0.08 | 0.125 0.003 | 362 7 | 0 0 |
| Rutherford-North (Mee Ln) | 10/8/26 | 103.9 4.3 | 1613 | 47.6 0.7 | 0530 | 45.3 0.7 | 83 3 | 12 3 | 1.7 | 10.5 2.4 | 1658 | W | 280 | 0.00 | 0.06 | 0.135 0.012 | 369 8 | 0 0 |
| Rutherford (STS) | 10/8/26 | 102.5 1.4 | 1610 | 47.9 0.6 | 0612 | 49.5 0.5 | 88 2 | 16 3 | 1.2 | 9.4 0.7 | 1712 | WNW | 288 | 0.00 | 0.05 | 0.145 0.010 | 428 10 | 0 0 |
| Oakville-NE (Ranch 88) | 10/8/26 | 102.1 2.5 | 1632 | 46.2 0.4 | 0715 | 43.8 0.2 | 79 1 | 11 2 | 0.9 | 8.8 3.6 | 1706 | NW | 304 | 0.00 | 0.04 | 0.125 0.014 | 380 7 | 0 10 |
| OV561-East | 10/8/26 | 105.3 2.3 | 1629 | 48.4 0.1 | 0718 | - | - | - | - | - | - | - | - | - | - | - | 0 0 |
| Oakville | 10/8/26 | 102.0 4.7 | 1615 | 47.5 0.1 | 0701 | 46.1 0.6 | 87 1 | 12 4 | 2.0 | 10.1 3.1 | 1333 | ESE | 123 | 0.00 | 0.03 | 0.141 0.017 | 402 9 | 0 0 |
| OV518-West | 10/8/26 | 97.9 1.5 | 1707 | 48.9 0.4 | 0521 | - | - | - | - | - | - | - | - | - | - | - | 0 10 |
| To Kalon Remote (TKKE) | 10/8/26 | 104.0 3.6 | 1633 | 48.1 0.2 | 0705 | - | - | - | - | - | - | - | - | - | - | - | 0 10 |
| To Kalon | 10/8/26 | 101.6 2.0 | 1628 | 49.0 0.6 | 0710 | 47.3 0.1 | 87 2 | 13 1 | 1.7 | 8.6 2.8 | 1331 | SE | 141 | 0.00 | 0.00 | 0.141 0.016 | 408 8 | 0 0 |
| To Kalon Remote (TKN5) | 10/8/26 | 102.1 1.5 | 1655 | 48.4 0.4 | 0700 | - | - | - | - | - | - | - | - | - | - | - | 0 10 |
| Yountville (Ranch 67) | 10/8/26 | 97.6 1.4 | 1607 | 46.9 0.4 | 0716 | 46.6 0.2 | 88 1 | 15 0 | 1.5 | 9.6 2.8 | 1307 | SE | 138 | 0.00 | 0.05 | 0.146 0.013 | 458 10 | 0 0 |
| Stags Leap Dist (Silverado Vineyards) | 10/8/26 | 98.1 1.4 | 1606 | 48.0 0.3 | 0543 | 47.3 0.4 | 92 0 | 14 1 | 1.2 | 9.2 3.7 | 1325 | SSE | 166 | 0.00 | 0.07 | 0.140 0.021 | 398 5 | 0 10 |
| Borreo (Soda Canyon) | 10/8/26 | 97.9 1.9 | 1624 | 51.6 1.3 | 0516 | 44.8 0.9 | 77 2 | 13 2 | 1.4 | 7.0 1.7 | 1404 | SSE | 162 | 0.00 | 0.31 | 0.132 0.007 | 400 5 | 0 0 |
| Wappo Hill Floor | 10/8/26 | 99.6 2.1 | 1554 | 47.7 0.2 | 0730 | 47.3 0.2 | 87 1 | 14 2 | 1.5 | 8.4 2.4 | 1313 | ESE | 116 | 0.00 | 0.10 | 0.142 0.014 | 413 9 | 0 10 |
| Stags Leap Dist (Chimney Rock) | 10/8/26 | 97.9 1.0 | 1552 | 47.2 0.1 | 0620 | 50.9 0.1 | 96 0 | 21 0 | 1.5 | 9.5 0.5 | 1251 | SE | 134 | 0.00 | 0.10 | 0.132 0.007 | 382 5 | 0 10 |
| Yountville-South (Ranch 87) | 10/8/26 | 99.6 1.3 | 1608 | 49.0 0.2 | 0536 | 49.3 0.0 | 91 1 | 16 1 | 0.9 | 8.4 0.2 | 1300 | SSE | 164 | 0.00 | 0.09 | 0.116 0.010 | 325 10 | 0 10 |
| Yountville-SE (Ranch 85) | 10/8/26 | 99.3 2.8 | 1545 | 48.8 0.0 | 0715 | 49.2 0.2 | 90 2 | 16 2 | 1.2 | 8.5 2.9 | 1318 | SSE | 156 | 0.00 | 0.08 | - | 0 0 | 0 10 |
| Oak Knoll-East (Ranch 53) | 10/8/26 | 97.2 0.3 | 1603 | 48.9 0.4 | 0707 | 48.7 0.4 | 89 0 | 16 1 | 1.3 | 8.5 1.0 | 1341 | SE | 134 | 0.00 | 0.15 | 0.138 0.009 | 416 11 | 0 10 |
| Napa-NW (Ranch 54) | 10/8/26 | 98.3 0.5 | 1555 | 48.9 1.2 | 0651 | 48.3 0.0 | 80 3 | 18 1 | 0.3 | 4.0 0.5 | 1318 | ESE | 111 | 0.00 | 0.18 | - | 0 0 | 0 10 |
| Napa-North (Ranch 29) | 10/8/26 | 96.9 1.3 | 1549 | 49.3 0.7 | 0722 | 50.0 0.6 | 100 0 | 18 0 | 1.2 | 9.5 0.2 | 1650 | S | 169 | 0.00 | 0.10 | 0.094 0.005 | 235 8 | 0 0 |
| Max | 105.3 | - | 64.8 | - | 50.9 | 100 | 21 | 2.0 | 13.2 | - | - | 0.00 | 0.31 | 0.146 | 458 | - | |
| Avg | - | - | - | - | 46.1 | - | - | 1.3 | - | - | - | - | - | - | - | - | |
| Min | 96.9 | - | 46.2 | - | 38.2 | 47 | 9 | 0.3 | 4.0 | - | - | 0.00 | 0.00 | 0.033 | 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 | 10/8/26 | 94.1 1.3 | 1430 | 73.7 1.7 | 0059 | 35.9 0.7 | 31 5 | 11 2 | 1.4 | 8.4 3.0 | 1441 | NNE | 28 | 0.00 | 0.45 | 0.163 0.016 | 510 50 | 100 0 |
| Mount George (Napa East) | 10/8/26 | 97.6 0.5 | 1613 | 49.6 0.0 | 0729 | 49.0 0.1 | 92 1 | 15 3 | 1.0 | 7.0 0.7 | 1703 | ESE | 110 | 0.00 | 0.16 | 0.131 0.003 | 415 9 | 0 10 |
| Napa-East (Palmaz 300') | 10/8/26 | 100.9 0.2 | 1516 | 51.3 1.1 | 0646 | 48.6 0.3 | 92 1 | 12 2 | 1.4 | 8.1 0.2 | 1644 | SW | 216 | 0.00 | 0.16 | 0.122 0.005 | 366 8 | 0 0 |
| Napa-East (Palmaz 1200') | 10/7/26 | 93.2 1.3 | 1451 | 59.3 1.0 | 0458 | 43.5 2.8 | 55 1 | 12 6 | 2.3 | 10.5 0.4 | 1233 | N | 351 | - | - | 0.144 0.001 | 408 2 | 0 0 |
| Napa-East (Palmaz 1400') | 10/8/26 | 93.6 1.0 | 1543 | 59.8 1.1 | 0602 | 41.5 0.1 | 46 0 | 14 1 | 2.1 | 10.4 1.0 | 2017 | NNW | 346 | 0.00 | 0.33 | 0.148 0.003 | 395 10 | 30 10 |
| Wooden Valley | 10/8/26 | 98.0 0.9 | 1543 | 50.9 0.1 | 0640 | 44.4 2.8 | 70 0 | 12 2 | 1.2 | 12.8 2.8 | 1459 | W | 268 | 0.00 | 0.04 | 0.149 0.001 | 407 12 | 0 10 |
| Napa-West Upper (Truchard) | 10/8/26 | 98.9 1.3 | 1546 | 54.4 3.3 | 0731 | 51.6 0.5 | 99 3 | 17 1 | 1.3 | 9.7 0.0 | 1658 | S | 169 | 0.00 | 0.10 | 0.143 0.009 | 415 11 | 10 10 |
| Napa-West Lower (Truchard) | 10/8/26 | 98.8 2.7 | 1540 | 46.4 1.5 | 0722 | 47.8 0.7 | 95 1 | 17 0 | - | - | - | - | - | - | - | - | 0 0 |
| Napa-South (Toyon Farms) | 10/8/26 | 97.2 1.9 | 1523 | 53.5 1.1 | 0733 | 54.8 1.2 | 96 0 | 25 2 | 1.8 | 9.8 0.7 | 1629 | S | 183 | 0.00 | 0.07 | 0.091 0.001 | 198 6 | 0 0 |
| Toyon Remote 1 | 10/8/26 | 95.9 2.2 | 1530 | 48.1 1.5 | 0654 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 2 | 10/8/26 | 94.9 1.7 | 1523 | 48.5 1.0 | 0708 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 3 | 10/8/26 | 96.0 1.8 | 1542 | 48.0 1.2 | 0715 | - | - | - | - | - | - | - | - | - | - | - | - |
| Dealy Lane (Ranch 80) | 10/8/26 | 96.2 1.4 | 1511 | 49.6 2.0 | 0628 | 49.3 1.8 | 91 1 | 17 3 | 1.9 | 9.6 0.4 | 1705 | SW | 235 | 0.00 | 0.08 | 0.141 0.001 | 411 10 | 0 10 |
| Carneros (Saintsbury) | 10/8/26 | 93.5 2.2 | 1516 | 48.5 1.0 | 0650 | 50.0 2.0 | 95 1 | 18 4 | 2.4 | 13.2 3.4 | 1714 | SW | 222 | 0.00 | 0.08 | - | - | 0 0 |
| Suscol Lower (Ranch 35) | 10/8/26 | 94.3 2.6 | 1600 | 49.8 0.9 | 0652 | 50.4 0.3 | 90 2 | 16 5 | 3.8 | 13.8 2.2 | 2140 | SSE | 149 | 0.00 | 0.15 | 0.150 0.002 | 398 9 | 0 0 |
| Suscol Mtn (Ranch 93) | 10/8/26 | 96.8 0.7 | 1602 | 59.7 1.2 | 0211 | 46.9 1.8 | 74 5 | 13 1 | 2.4 | 11.2 0.8 | 1535 | NW | 305 | 0.00 | 0.40 | - | - | 20 10 |
| Suscol Upper (Ranch 92) | 10/8/26 | 94.1 0.9 | 1554 | 58.9 1.3 | 0208 | 47.9 1.9 | 83 10 | 12 2 | 0.7 | 11.7 3.5 | 2117 | SSE | 158 | 0.00 | 0.15 | - | - | 40 10 |
| Stanly (Ranch 45) | 10/7/26 | 89.2 1.8 | 1616 | 49.6 0.7 | 0712 | 53.8 1.4 | 93 2 | 25 2 | 3.6 | 10.6 1.4 | 1315 | SSW | 194 | 0.00 | 0.15 | 0.162 0.003 | 451 2 | 0 10 |
| Carneros Upper (Ranch 81) | 10/8/26 | 95.8 2.5 | 1609 | 56.2 2.9 | 0554 | 48.9 1.6 | - | - | 4.6 | 22.2 6.5 | 1751 | W | 270 | - | - | - | - | 0 0 |
| Carneros (Mitsuko) | 10/8/26 | 94.6 2.7 | 1513 | 45.6 0.8 | 0722 | - | - | - | - | - | - | - | - | - | - | - | 0 0 |
| Carneros Lower (Ranch 81) | 10/8/26 | 92.9 0.3 | 1619 | 49.7 1.2 | 0724 | 49.8 0.1 | 100 0 | 0 0 | 1.0 | 9.6 1.2 | 1748 | NW | 311 | 0.00 | 0.01 | 0.027 0.001 | 4 3 | 0 0 |
| Carneros (Milton Rd) | 10/8/26 | 91.4 1.0 | 1555 | 46.5 1.7 | 0717 | 49.6 2.1 | 93 1 | 18 3 | - | - | - | - | 0.00 | 0.00 | - | - | 0 0 |
| Max | 100.9 | - | 73.7 | - | 54.8 | 100 | 25 | 4.6 | 22.2 | - | - | 0.00 | 0.45 | 0.163 | 510 | - | |
| Avg | - | - | - | - | 47.9 | - | - | 1.9 | - | - | - | - | - | - | - | - | |
| Min | 91.4 | - | 45.6 | - | 35.9 | 31 | 0 | 0.7 | 7.0 | - | - | 0.00 | 0.00 | 0.027 | 4 | - |