| 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 | 8/12/26 | 87.9 2.0 | 1224 | 54.0 0.4 | 0459 | - | - | - | - | - | - | - | 0.00 | 0.00 | - | - | 40 20 |
| Pope Valley (Weeks Lake) | 8/12/26 | 89.5 1.2 | 1547 | 48.0 0.1 | 0627 | 51.8 0.2 | 100 0 | 22 4 | 2.2 0.2 | 14.0 3.5 | 1520 | ESE | 119 | 0.00 | 0.00 | 0.193 0.010 | 564 10 | 0 0 |
| Dollarhide Base | 8/12/26 | 91.8 0.9 | 1511 | 53.5 0.8 | 0622 | 55.6 0.2 | 95 1 | 22 8 | 3.7 0.5 | 15.3 1.1 | 1423 | SSW | 205 | 0.00 | 0.00 | 0.230 0.007 | 630 8 | 0 0 |
| Dollarhide 1AS Remote | 8/12/26 | 93.2 1.8 | 1541 | 49.9 0.1 | 0641 | 54.4 0.2 | 92 0 | 20 6 | 3.5 0.3 | 17.8 3.1 | 1403 | SSW | 210 | - | - | - | - | 0 0 |
| Dollarhide 16A Remote | 8/12/26 | 89.5 1.4 | 1512 | 52.8 0.2 | 0609 | 56.0 0.1 | 96 0 | 23 9 | - | - | - | - | - | - | - | - | 0 0 |
| Dollarhide 18A Remote | 8/12/26 | 89.9 1.0 | 1538 | 48.2 0.2 | 0609 | 53.8 0.2 | 97 0 | 23 6 | - | - | - | - | - | - | - | - | 0 0 |
| Hardin Rd (Eakle) | 8/12/26 | 90.6 1.4 | 1521 | 51.2 0.5 | 0639 | - | - | - | - | - | - | - | - | - | - | - | 0 0 |
| Angwin | 8/12/26 | 80.5 1.5 | 1440 | 56.4 9.1 | 0032 | 50.5 0.6 | 78 18 | 32 3 | 2.8 0.1 | 14.1 0.6 | 1531 | SSE | 163 | 0.00 | 0.00 | 0.047 0.008 | 0 0 | 100 0 |
| Lower Angwin (Pioneer) | 8/12/26 | 82.3 0.7 | 1515 | 45.4 0.5 | 0443 | - | - | - | 2.1 0.3 | 13.2 0.8 | 1859 | SW | 223 | - | - | - | - | 60 20 |
| Las Posadas (Cal Fire) | 8/12/26 | 84.2 0.6 | 1539 | 49.0 0.4 | 0624 | 53.0 0.1 | 99 1 | 27 7 | 8.9 0.1 | 19.8 0.2 | 1655 | SSW | 200 | 0.00 | 0.00 | 0.205 0.019 | 569 13 | - |
| Deer Park | 8/12/26 | 87.4 0.7 | 1506 | 53.0 0.9 | 0630 | 53.8 0.1 | 95 2 | 32 3 | 3.1 0.1 | 13.9 1.7 | 1533 | SW | 236 | 0.00 | 0.00 | 0.147 0.017 | 390 30 | 0 0 |
| Lower Chiles Valley (Brown) | 8/12/26 | 87.5 0.7 | 1510 | 53.2 0.5 | 0620 | 52.7 0.4 | 100 4 | 16 11 | 3.5 0.4 | 15.9 0.8 | 1442 | ESE | 118 | 0.00 | 0.00 | 0.196 0.011 | 608 15 | 0 0 |
| Moss Creek Vineyard/Reservior | 8/12/26 | 89.2 3.5 | 1538 | 50.9 0.1 | 0608 | 50.4 0.2 | 93 0 | 15 6 | - | - | - | - | 0.00 | 0.00 | - | - | 0 0 |
| Max | 93.2 | - | 56.4 | - | 56.0 | 100 | 32 | 8.9 | 19.8 | - | - | 0.00 | 0.00 | 0.230 | 630 | - | |
| Avg | - | - | - | - | 53.2 | - | - | 3.7 | - | - | - | - | - | - | - | - | |
| Min | 80.5 | - | 45.4 | - | 50.4 | 78 | 15 | 2.1 | 13.2 | - | - | 0.00 | 0.00 | 0.047 | 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 | 8/12/26 | 87.1 3.7 | 1418 | 51.6 4.0 | 0404 | 55.0 0.9 | 95 1 | 39 5 | - | - | - | - | 0.00 | 0.00 | - | - | 20 20 |
| Diamond Mtn (Schramsberg) | 8/12/26 | 85.2 2.8 | 1534 | 50.5 2.9 | 0630 | 53.6 0.2 | 100 0 | 36 7 | - | - | - | - | 0.00 | 0.00 | - | - | 20 20 |
| Diamond Mtn (McEachran) | 8/12/26 | 83.9 5.6 | 1517 | 51.7 3.1 | 0618 | 53.9 0.4 | 96 0 | 38 9 | - | - | - | - | - | - | - | - | 20 20 |
| St. Helena-North | 8/12/26 | 89.5 0.8 | 1508 | 54.7 2.7 | 0355 | 52.3 0.8 | 84 0 | 28 1 | 2.2 | 12.9 0.9 | 1818 | SSE | 150 | 0.00 | 0.00 | 0.172 0.027 | 509 27 | 0 0 |
| St. Helena (NVV Office) | 8/12/26 | 89.5 1.6 | 1504 | 54.6 3.0 | 0425 | - | - | - | 1.7 | 10.9 0.0 | 1728 | E | 94 | 0.00 | 0.00 | - | - | 0 0 |
| Tiara Fria (East St. Helena) | 8/12/26 | 85.5 0.5 | 1531 | 53.2 3.2 | 0352 | 54.3 0.4 | 88 0 | 34 4 | 2.2 | 14.5 1.8 | 1652 | ESE | 121 | 0.00 | 0.00 | - | - | 60 20 |
| Prisoner Winery | 8/12/26 | 90.2 1.0 | 1458 | 52.9 1.1 | 0310 | 54.6 0.1 | 96 0 | 29 4 | 1.6 | 9.5 0.2 | 1619 | SE | 144 | 0.00 | 0.00 | 0.055 0.013 | 117 61 | 0 0 |
| Rutherford Hill Estate | 8/12/26 | 87.6 1.8 | 1445 | 53.5 2.1 | 0349 | 54.3 0.3 | 95 2 | 30 6 | 1.7 | 16.0 1.8 | 1639 | SSW | 200 | 0.00 | 0.00 | 0.160 0.011 | 498 35 | 40 20 |
| Rutherford-North (Mee Ln) | 8/12/26 | 84.9 0.7 | 1448 | 49.8 2.0 | 0301 | 53.6 0.2 | 91 0 | 33 5 | 3.4 | 16.7 0.0 | 1734 | SSE | 152 | 0.00 | 0.00 | 0.167 0.016 | 468 42 | 60 20 |
| Rutherford (STS) | 8/12/26 | 88.6 1.9 | 1434 | 49.1 3.1 | 0305 | 55.9 0.4 | 92 0 | 36 5 | 2.4 | 15.1 0.8 | 1648 | NE | 48 | 0.00 | 0.00 | 0.184 0.017 | 563 51 | 0 0 |
| Oakville-NE (Ranch 88) | 8/12/26 | 86.0 0.9 | 1430 | 49.1 1.5 | 0335 | 51.8 0.2 | 86 1 | 30 6 | 2.7 | 17.1 0.7 | 1736 | SSW | 197 | 0.00 | 0.00 | 0.180 0.013 | 517 35 | 100 0 |
| OV561-East | 8/12/26 | 85.1 0.0 | 1544 | 51.4 1.4 | 0446 | - | - | - | - | - | - | - | - | - | - | - | 60 20 |
| Oakville | 8/12/26 | 82.7 1.8 | 1415 | 49.2 2.0 | 0422 | 53.2 0.2 | 92 1 | 35 7 | 3.8 | 18.2 2.5 | 1604 | ESE | 123 | 0.00 | 0.00 | 0.190 0.011 | 574 29 | 100 10 |
| OV518-West | 8/12/26 | 82.8 1.4 | 1439 | 49.8 1.7 | 0434 | - | - | - | - | - | - | - | - | - | - | - | 100 10 |
| To Kalon Remote (TKKE) | 8/12/26 | 85.8 0.5 | 1423 | 50.3 2.5 | 0356 | - | - | - | - | - | - | - | - | - | - | - | 60 20 |
| To Kalon | 8/12/26 | 84.4 2.3 | 1421 | 50.4 2.5 | 0404 | 54.5 0.3 | 93 0 | 35 7 | 3.6 | 17.3 0.8 | 1608 | SSE | 147 | 0.00 | 0.00 | 0.183 0.014 | 535 42 | 60 20 |
| To Kalon Remote (TKN5) | 8/12/26 | 86.3 0.1 | 1417 | 50.6 1.8 | 0424 | - | - | - | - | - | - | - | - | - | - | - | 60 20 |
| Yountville (Ranch 67) | 8/12/26 | 81.4 1.7 | 1408 | 47.9 0.4 | 0505 | 52.1 0.2 | 91 1 | 36 5 | 3.6 | 17.2 0.1 | 1556 | SSE | 164 | 0.00 | 0.00 | 0.189 0.007 | 633 22 | 100 0 |
| Stags Leap Dist (Silverado Vineyards) | 8/12/26 | 81.7 1.4 | 1428 | 48.5 0.7 | 0510 | 52.3 0.3 | 92 0 | 36 5 | 2.7 | 19.1 1.5 | 1503 | SSE | 148 | 0.00 | 0.00 | 0.178 0.013 | 553 44 | 100 0 |
| Borreo (Soda Canyon) | 8/12/26 | 79.9 1.1 | 1402 | 48.6 1.2 | 0316 | 51.6 0.6 | 96 1 | 31 7 | 2.0 | 11.8 1.2 | 1619 | S | 186 | 0.00 | 0.00 | 0.180 0.012 | 597 46 | 100 0 |
| Wappo Hill Floor | 8/12/26 | 82.4 0.3 | 1355 | 48.1 0.9 | 0531 | 53.8 0.4 | 100 0 | 36 5 | 3.4 | 15.6 0.2 | 1617 | ESE | 111 | 0.00 | 0.00 | 0.182 0.012 | 565 48 | 90 20 |
| Stags Leap Dist (Chimney Rock) | 8/12/26 | 81.9 2.1 | 1428 | 48.0 0.7 | 0530 | 55.0 0.5 | 97 0 | 45 5 | 3.3 | 13.9 0.1 | 2038 | ESE | 117 | 0.00 | 0.00 | 0.159 0.013 | 498 53 | 100 0 |
| Yountville-South (Ranch 87) | 8/12/26 | 82.2 0.1 | 1356 | 48.6 0.1 | 0439 | 53.9 0.4 | 100 0 | 39 2 | 2.1 | 12.8 0.2 | 1521 | SSE | 153 | 0.00 | 0.00 | 0.173 0.010 | 556 35 | 60 20 |
| Yountville-SE (Ranch 85) | 8/12/26 | 80.2 0.5 | 1352 | 48.9 0.0 | 0523 | 54.3 0.2 | 95 1 | 41 5 | 3.7 | 14.8 1.1 | 1442 | S | 182 | 0.00 | 0.00 | - | 0 0 | 100 0 |
| Oak Knoll-East (Ranch 53) | 8/12/26 | 80.4 0.2 | 1337 | 49.9 0.9 | 0530 | 53.0 0.5 | 94 1 | 36 5 | 2.7 | 14.8 0.5 | 1542 | SE | 136 | 0.00 | 0.00 | 0.175 0.016 | 560 72 | 90 20 |
| Napa-NW (Ranch 54) | 8/12/26 | 83.9 1.6 | 1412 | 48.7 0.4 | 0606 | 53.1 0.1 | 94 1 | 34 5 | 0.6 | 7.7 0.5 | 1604 | SSE | 168 | 0.00 | 0.00 | - | 0 0 | 70 20 |
| Napa-North (Ranch 29) | 8/12/26 | 77.6 0.5 | 1413 | 50.9 1.4 | 0516 | 55.0 0.4 | 100 0 | 45 3 | 2.0 | 18.4 4.2 | 1624 | SSW | 208 | 0.00 | 0.00 | 0.125 0.001 | 389 4 | 100 0 |
| Max | 90.2 | - | 54.7 | - | 55.9 | 100 | 45 | 3.8 | 19.1 | - | - | 0.00 | 0.00 | 0.190 | 633 | - | |
| Avg | - | - | - | - | 53.7 | - | - | 2.6 | - | - | - | - | - | - | - | - | |
| Min | 77.6 | - | 47.9 | - | 51.6 | 84 | 28 | 0.6 | 7.7 | - | - | 0.00 | 0.00 | 0.055 | 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 | 8/12/26 | 79.7 4.7 | 1446 | 53.8 0.1 | 0744 | 52.2 0.3 | 91 5 | 32 4 | 1.8 | 13.9 2.6 | 1501 | SSE | 159 | 0.00 | 0.00 | 0.242 0.005 | 909 23 | 70 20 |
| Mount George (Napa East) | 8/12/26 | 79.3 2.6 | 1449 | 49.6 0.9 | 0545 | 52.7 0.8 | 98 3 | 39 4 | 1.7 | 11.4 1.2 | 1547 | WSW | 242 | 0.00 | 0.00 | 0.171 0.009 | 567 44 | 100 0 |
| Napa-East (Palmaz 300') | 8/12/26 | 84.6 2.1 | 1431 | 49.8 0.6 | 0544 | 52.9 0.0 | 100 0 | 33 6 | 1.4 | 12.6 1.0 | 1632 | W | 264 | 0.00 | 0.00 | 0.160 0.007 | 488 27 | 70 20 |
| 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') | 8/12/26 | 78.4 1.2 | 1354 | 49.8 2.3 | 0449 | 52.3 0.4 | 100 5 | 33 11 | 2.8 | 12.3 0.9 | 1601 | SW | 227 | 0.00 | 0.00 | 0.175 0.006 | 577 34 | 100 0 |
| Wooden Valley | 8/12/26 | 81.4 0.6 | 1419 | 52.8 5.0 | 0541 | 49.8 0.1 | 88 10 | 23 8 | 4.0 | 17.8 1.5 | 1414 | WSW | 241 | 0.00 | 0.00 | 0.206 0.004 | 605 22 | 60 20 |
| Napa-West Upper (Truchard) | 8/12/26 | 80.4 1.1 | 1352 | 48.8 2.2 | 0542 | 20.8 1.9 | 100 0 | 0 0 | 3.3 | 16.6 0.9 | 1836 | S | 173 | 0.00 | 0.00 | 0.182 0.010 | 552 53 | 100 0 |
| Napa-West Lower (Truchard) | 8/12/26 | 79.6 0.5 | 1354 | 43.9 0.7 | 0508 | 51.5 0.7 | 94 0 | 38 4 | - | - | - | - | - | - | - | - | 100 0 |
| Napa-South (Toyon Farms) | 8/12/26 | 78.6 1.0 | 1441 | 50.0 1.1 | 0505 | 55.6 0.2 | 100 0 | 50 2 | 3.6 | 17.7 1.7 | 1654 | S | 173 | 0.00 | 0.00 | 0.100 0.001 | 310 3 | 100 0 |
| Toyon Remote 1 | 8/12/26 | 79.9 2.4 | 1237 | 45.1 2.0 | 0456 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 2 | 8/12/26 | 77.2 0.8 | 1230 | 47.0 0.4 | 0518 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 3 | 8/12/26 | 78.3 0.7 | 1433 | 45.0 0.6 | 0450 | - | - | - | - | - | - | - | - | - | - | - | - |
| Dealy Lane (Ranch 80) | 8/12/26 | 78.0 1.0 | 1304 | 47.5 0.2 | 0522 | 52.5 0.5 | 95 1 | 41 1 | 2.4 | 14.8 0.6 | 1421 | SE | 142 | 0.00 | 0.00 | 0.168 0.007 | 550 35 | 100 0 |
| Carneros (Saintsbury) | 8/12/26 | 75.8 1.1 | 1343 | 47.5 2.0 | 0601 | 52.7 0.8 | 100 0 | 43 6 | 4.7 | 20.0 1.8 | 1545 | S | 188 | 0.00 | 0.00 | - | - | 70 10 |
| Suscol Lower (Ranch 35) | 8/12/26 | 77.3 1.2 | 1439 | 50.1 0.5 | 0236 | 53.5 0.4 | 100 0 | 44 1 | 4.8 | 19.1 1.5 | 1601 | S | 185 | 0.00 | 0.00 | 0.166 0.007 | 522 22 | 90 10 |
| Suscol Mtn (Ranch 93) | 8/12/26 | 80.0 1.0 | 1413 | 50.6 2.1 | 0633 | 54.1 0.1 | 100 2 | 43 3 | 4.3 | 16.7 0.3 | 1534 | W | 280 | 0.00 | 0.00 | - | - | 100 0 |
| Suscol Upper (Ranch 92) | 8/12/26 | 76.8 1.5 | 1434 | 51.2 0.9 | 0645 | 6.7 12.6 | 100 0 | 0 0 | 2.9 | 17.1 0.5 | 1602 | SSE | 168 | 0.00 | 0.00 | - | - | 70 10 |
| Stanly (Ranch 45) | 8/12/26 | 75.5 0.7 | 1437 | 48.2 1.2 | 0330 | 53.2 0.5 | 94 1 | 48 3 | 5.7 | 22.0 3.6 | 1551 | SSW | 201 | 0.00 | 0.00 | 0.179 0.002 | 588 19 | 100 10 |
| Carneros Upper (Ranch 81) | 8/12/26 | 79.8 1.6 | 1352 | 52.1 0.4 | 0314 | 33.5 19.2 | - | - | 6.4 | 20.2 1.5 | 1730 | SSW | 207 | - | - | - | - | 100 0 |
| Carneros (Mitsuko) | 8/12/26 | 76.3 0.4 | 1429 | 48.1 3.8 | 0101 | - | - | - | - | - | - | - | - | - | - | - | 100 0 |
| Carneros Lower (Ranch 81) | 8/12/26 | 79.6 1.5 | 1345 | 51.9 3.2 | 0333 | 53.8 1.0 | 93 7 | 43 43 | 1.8 | 15.0 1.4 | 1532 | SSE | 164 | 0.00 | 0.00 | 0.170 0.003 | 552 22 | 100 0 |
| Carneros (Milton Rd) | 8/12/26 | 75.6 0.8 | 1430 | 50.7 4.7 | 0226 | 53.8 1.5 | 93 1 | 51 2 | - | - | - | - | 0.00 | 0.00 | - | - | 80 10 |
| Max | 84.6 | - | 53.8 | - | 55.6 | 100 | 51 | 6.4 | 22.0 | - | - | 0.00 | 0.00 | 0.242 | 909 | - | |
| Avg | - | - | - | - | 47.2 | - | - | 3.4 | - | - | - | - | - | - | - | - | |
| Min | 75.5 | - | 43.9 | - | 6.7 | 88 | 0 | 1.4 | 11.4 | - | - | 0.00 | 0.00 | 0.100 | 310 | - |