| Station | Date | Daily Max Temp (°F) | Time of Max Temp | Daily Min Temp (°F) | Time of Min Temp | Dew Pt (°F) | 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 | 8/29/25 | 90.3 0.8 | 1605 | 57.5 9.1 | 0739 | - | - | - | - | - | - | - | 0.00 | 0.00 | - | - | 10 10 |
| Pope Valley (Weeks Lake) | 8/29/25 | 96.3 2.0 | 1528 | 46.9 4.3 | 0532 | 46.5 2.2 | 92 5 | 12 2 | 1.7 | 12.1 0.2 | 1307 | ESE | 119 | 0.00 | 0.00 | 0.194 0.006 | 531 18 | 0 0 |
| Whiskey River Winery | 8/29/25 | 94.6 0.2 | 1417 | 48.2 4.3 | 0629 | 45.8 3.2 | 86 1 | 9 0 | 2.9 | 14.5 2.1 | 1548 | SSW | 213 | 0.00 | 0.00 | - | - | 0 0 |
| Dollarhide Base | 8/29/25 | 98.2 0.1 | 1547 | 53.7 3.5 | 0657 | 52.7 3.1 | 89 3 | 16 3 | 2.7 | 14.8 2.9 | 1520 | SSW | 194 | 0.00 | 0.00 | 0.173 0.002 | 378 9 | 0 0 |
| Dollarhide 1AS Remote | 8/29/25 | 98.7 0.2 | 1555 | 48.5 2.9 | 0636 | 50.7 2.6 | 87 4 | 16 4 | 2.0 | 16.1 3.6 | 1527 | WSW | 249 | - | - | - | - | 0 0 |
| Dollarhide 17B Remote | 8/19/25 | 95.5 4.6 | 1555 | 48.6 0.3 | 0629 | 48.8 0.1 | 91 4 | 16 2 | - | - | - | - | - | - | - | - | 0 0 |
| Dollarhide 18A Remote | 8/29/25 | 98.2 0.8 | 1548 | 46.9 3.1 | 0634 | 50.1 2.9 | 91 4 | 17 5 | - | - | - | - | - | - | - | - | 0 0 |
| Angwin | 8/29/25 | 86.6 0.2 | 1536 | 70.5 9.5 | 0637 | 33.5 2.8 | 44 7 | 9 1 | 2.9 | 12.1 0.3 | 1612 | ESE | 120 | 0.00 | 0.00 | 0.075 0.008 | 0 0 | 100 0 |
| Lower Angwin (Pioneer) | 8/29/25 | 88.7 0.3 | 1619 | 46.0 4.4 | 0528 | - | - | - | 1.9 | 15.0 1.2 | 1500 | W | 272 | - | - | - | - | 60 10 |
| Deer Park | 8/29/25 | 94.0 0.1 | 1521 | 53.4 1.0 | 0630 | 51.6 3.0 | 90 7 | 16 4 | 2.9 | 12.9 1.7 | 1551 | S | 179 | 0.00 | 0.00 | 0.161 0.014 | 398 13 | 0 0 |
| Lower Chiles Valley (Brown) | 8/29/25 | 91.3 1.4 | 1701 | 54.7 10.2 | 0714 | 51.1 3.5 | 86 14 | 24 13 | 3.5 | 14.6 2.4 | 1452 | NNW | 330 | 0.00 | 0.00 | 0.206 0.003 | 576 16 | 0 0 |
| Moss Creek Vineyard/Reservior | 8/29/25 | 98.2 0.2 | 1313 | 51.5 2.3 | 0658 | 48.5 2.0 | 89 1 | 10 2 | - | - | - | - | 0.00 | 0.00 | - | - | 0 0 |
| Max | 98.7 | - | 70.5 | - | 52.7 | 92 | 24 | 3.5 | 16.1 | - | - | 0.00 | 0.00 | 0.206 | 576 | - | |
| Avg | - | - | - | - | 47.8 | - | - | 2.6 | - | - | - | - | - | - | - | - | |
| Min | 86.6 | - | 46.0 | - | 33.5 | 44 | 9 | 1.7 | 12.1 | - | - | 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) | 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 | 8/29/25 | 93.8 2.0 | 1504 | 52.1 5.3 | 0520 | 53.6 2.0 | 93 2 | 22 6 | - | - | - | - | 0.00 | 0.00 | - | - | 0 0 |
| Fotsch (Maple Lane) | 8/29/25 | 93.9 0.0 | 1553 | 49.5 3.6 | 0325 | 50.4 1.1 | 94 1 | 17 1 | 3.0 | 14.2 1.6 | 1553 | NNW | 330 | 0.00 | 0.00 | - | - | 0 0 |
| Diamond Mtn (Schramsberg) | 8/29/25 | 93.2 1.0 | 1550 | 54.0 2.1 | 0535 | 50.0 1.3 | 86 1 | 17 4 | - | - | - | - | 0.00 | 0.00 | - | - | 0 0 |
| Diamond Mtn (McEachran) | 8/29/25 | 92.6 1.7 | 1709 | 53.2 1.3 | 0615 | 49.9 1.5 | 89 1 | 16 3 | - | - | - | - | - | - | - | - | 0 0 |
| St. Helena-North | 8/29/25 | 97.8 1.9 | 1522 | 51.6 2.8 | 0628 | 49.2 2.8 | 83 2 | 14 5 | 1.5 | 10.8 0.7 | 1648 | SE | 133 | 0.00 | 0.00 | 0.165 0.002 | 465 15 | 0 0 |
| St. Helena (NVV Office) | 8/29/25 | 94.1 0.7 | 1524 | 52.0 1.6 | 0645 | - | - | - | 1.2 | 11.5 2.9 | 1652 | ESE | 108 | 0.00 | 0.00 | - | - | 0 0 |
| Tiara Fria (East St. Helena) | 8/29/25 | 90.1 1.6 | 1509 | 49.9 0.9 | 0651 | 52.3 2.3 | 87 1 | 32 12 | 1.8 | 10.7 0.1 | 1606 | SE | 128 | 0.00 | 0.00 | - | - | 0 0 |
| Rutherford Hill Estate | 8/29/25 | 90.3 2.7 | 1514 | 53.1 1.2 | 0559 | 53.8 1.9 | 100 0 | 31 15 | 1.3 | 12.9 0.9 | 1546 | S | 177 | 0.00 | 0.00 | 0.157 0.011 | 471 24 | 0 0 |
| Rutherford-North (Mee Ln) | 8/29/25 | 89.8 1.9 | 1504 | 46.6 2.0 | 0625 | 51.7 2.1 | 91 1 | 32 12 | 2.4 | 14.9 0.7 | 1557 | SSE | 149 | 0.00 | 0.00 | 0.176 0.015 | 487 15 | 0 0 |
| Rutherford (STS) | 8/29/25 | 93.6 1.8 | 1519 | 47.2 1.8 | 0623 | 54.8 1.8 | 94 0 | 33 8 | 1.7 | 13.9 0.3 | 1640 | SE | 133 | 0.00 | 0.00 | 0.191 0.013 | 574 21 | 0 0 |
| Oakville-NE (Ranch 88) | 8/29/25 | 91.0 1.8 | 1457 | 46.1 1.8 | 0655 | 49.4 1.6 | 83 1 | 29 8 | 1.8 | 14.8 0.8 | 1647 | SSW | 202 | 0.00 | 0.00 | 0.184 0.012 | 540 20 | 100 0 |
| OV561-East | 8/29/25 | 92.0 2.4 | 1611 | 46.7 1.2 | 0622 | - | - | - | - | - | - | - | - | - | - | - | 0 0 |
| Oakville | 8/29/25 | 87.8 1.1 | 1442 | 45.2 1.4 | 0643 | 50.7 1.5 | 88 4 | 33 6 | 2.6 | 14.9 0.5 | 1526 | SE | 134 | 0.00 | 0.00 | 0.194 0.015 | 574 22 | 70 10 |
| OV518-West | 8/29/25 | 86.4 2.2 | 1456 | 46.1 1.5 | 0655 | - | - | - | - | - | - | - | - | - | - | - | 80 10 |
| To Kalon Remote (TKKE) | 8/29/25 | 90.9 1.7 | 1502 | 47.2 1.9 | 0639 | - | - | - | - | - | - | - | - | - | - | - | 0 0 |
| To Kalon | 8/29/25 | 88.1 2.5 | 1502 | 48.1 1.4 | 0640 | 53.0 1.6 | 95 2 | 34 8 | 2.6 | 16.1 2.9 | 1617 | SE | 140 | 0.00 | 0.00 | 0.195 0.010 | 556 18 | 40 10 |
| To Kalon Remote (TKN5) | 8/29/25 | 90.2 2.8 | 1429 | 47.3 1.4 | 0647 | - | - | - | - | - | - | - | - | - | - | - | 0 0 |
| Yountville (Ranch 67) | 8/29/25 | 86.4 1.7 | 1422 | 46.8 1.0 | 0702 | 50.8 1.5 | 90 1 | 33 8 | 2.7 | 15.2 0.7 | 1604 | SE | 146 | 0.00 | 0.00 | 0.198 0.007 | 614 19 | 80 10 |
| Stags Leap Dist (Silverado Vineyards) | 8/29/25 | 85.3 3.8 | 1619 | 47.1 1.6 | 0651 | 51.3 1.5 | 94 1 | 34 8 | 2.3 | 14.9 1.1 | 1545 | SE | 145 | 0.00 | 0.00 | 0.194 0.009 | 563 16 | 90 10 |
| Borreo (Soda Canyon) | 8/29/25 | 84.8 2.4 | 1405 | 47.4 0.2 | 0635 | 50.7 1.7 | 96 0 | 33 12 | 1.6 | 10.2 0.1 | 1616 | SE | 145 | 0.00 | 0.00 | 0.185 0.011 | 592 20 | 90 10 |
| Wappo Hill Floor | 8/29/25 | 86.7 3.1 | 1417 | 47.4 0.9 | 0635 | 51.7 1.4 | 90 1 | 36 8 | 2.3 | 13.0 0.5 | 1434 | SSE | 155 | 0.00 | 0.00 | 0.181 0.011 | 527 18 | 70 10 |
| Stags Leap Dist (Chimney Rock) | 8/29/25 | 85.8 4.3 | 1555 | 46.6 0.6 | 0641 | - | - | - | 2.2 | 13.2 4.4 | 1530 | SE | 134 | 0.00 | 0.00 | 0.168 0.011 | 498 17 | 100 10 |
| Yountville-South (Ranch 87) | 8/29/25 | 87.7 2.7 | 1444 | 47.3 1.1 | 0640 | 53.5 1.4 | 95 1 | 36 6 | 1.4 | 11.2 0.4 | 1502 | S | 188 | 0.00 | 0.00 | 0.162 0.009 | 489 23 | 0 0 |
| Yountville-SE (Ranch 85) | 8/29/25 | 84.8 2.6 | 1401 | 47.8 0.9 | 0629 | 53.4 1.4 | 94 0 | 38 8 | 2.2 | 12.3 0.5 | 1600 | SSE | 165 | 0.00 | 0.00 | - | 0 0 | 100 10 |
| Oak Knoll-East (Ranch 53) | 8/29/25 | 85.0 3.0 | 1400 | 47.5 0.9 | 0637 | 51.9 1.2 | 91 0 | 35 7 | 1.9 | 13.6 1.7 | 1620 | SE | 127 | 0.00 | 0.00 | 0.178 0.009 | 544 18 | 100 20 |
| Napa-NW (Ranch 54) | 8/29/25 | 89.3 2.7 | 1434 | 48.6 0.4 | 0605 | 52.1 0.9 | 90 2 | 28 2 | 0.5 | 7.8 0.7 | 1303 | N | 6 | 0.00 | 0.00 | - | 0 0 | 40 10 |
| Napa-North (Ranch 29) | 8/29/25 | 83.1 3.0 | 1729 | 48.1 0.2 | 0619 | 53.8 1.0 | 100 0 | 36 9 | 1.5 | 12.3 0.7 | 1425 | S | 183 | 0.00 | 0.00 | 0.115 0.004 | 316 11 | 100 0 |
| Max | 97.8 | - | 54.0 | - | 54.8 | 100 | 38 | 3.0 | 16.1 | - | - | 0.00 | 0.00 | 0.198 | 614 | - | |
| Avg | - | - | - | - | 51.8 | - | - | 1.9 | - | - | - | - | - | - | - | - | |
| Min | 83.1 | - | 45.2 | - | 49.2 | 83 | 14 | 0.5 | 7.8 | - | - | 0.00 | 0.00 | 0.115 | 0 | - |
| Station | Date | Daily Max Temp (°F) | Time of Max Temp | Daily Min Temp (°F) | Time of Min Temp | Dew Pt (°F) | 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 | 8/29/25 | 87.4 1.0 | 1609 | 58.5 0.4 | 0648 | 49.4 2.8 | 66 4 | 28 5 | 1.3 | 8.6 2.0 | 1336 | S | 184 | 0.00 | 0.05 | 0.215 0.027 | 708 102 | 70 10 |
| Mount George (Napa East) | 8/29/25 | 82.8 2.8 | 1502 | 48.6 0.3 | 0643 | 52.5 1.0 | 97 1 | 38 13 | 1.4 | 12.3 1.7 | 1541 | SW | 231 | 0.00 | 0.00 | 0.175 0.011 | 573 19 | 100 0 |
| Napa-East (Palmaz 300') | 8/29/25 | 86.9 2.3 | 1555 | 49.9 0.5 | 0649 | 53.2 1.9 | 98 0 | 35 18 | 1.9 | 11.0 1.2 | 1501 | WSW | 245 | 0.00 | 0.00 | 0.154 0.007 | 450 16 | 70 10 |
| Napa-East (Palmaz 1200') | 8/29/25 | 80.0 2.5 | 1515 | 47.9 0.1 | 0601 | 38.9 | - | - | 2.3 | 11.2 0.6 | 1154 | WNW | 302 | - | - | 0.169 0.011 | 566 18 | 100 0 |
| Napa-East (Palmaz 1400') | 8/16/25 | 78.6 5.7 | 1417 | 54.6 1.4 | 0551 | 57.8 2.0 | 100 0 | 55 16 | 3.3 | 16.1 2.4 | 1613 | SW | 230 | 0.00 | 0.00 | 0.180 0.014 | 550 11 | 100 0 |
| Wooden Valley | 4/30/25 | 78.8 0.4 | 1303 | 51.0 7.3 | 0600 | 49.9 1.6 | 90 5 | 34 2 | 4.0 | 16.6 0.3 | 0031 | SW | 220 | 0.00 | 30.39 | 0.212 0.008 | 668 2 | 0 0 |
| Napa-West Upper (Truchard) | 8/29/25 | 86.5 0.7 | 1418 | 51.0 0.9 | 0637 | - | - | - | 3.1 | 14.8 0.8 | 1426 | S | 178 | 0.00 | 0.00 | 0.197 0.008 | 572 17 | 80 10 |
| Napa-West Lower (Truchard) | 8/29/25 | 87.3 0.2 | 1409 | 45.4 0.8 | 0625 | 50.8 0.6 | 100 0 | 28 1 | - | - | - | - | - | - | - | - | 80 10 |
| Napa-South (Toyon Farms) | 8/29/25 | 83.5 1.1 | 1342 | 50.6 1.1 | 0701 | 55.8 0.6 | 99 1 | 39 0 | 3.3 | 16.0 2.7 | 1506 | S | 176 | 0.00 | 0.00 | 0.106 0.004 | 271 11 | 100 0 |
| Toyon Remote 1 | 8/29/25 | 86.5 1.0 | 1351 | 45.8 0.1 | 0626 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 2 | 8/29/25 | 83.6 1.2 | 1323 | 46.8 0.4 | 0518 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 3 | 8/29/25 | 86.1 1.1 | 1659 | 47.1 0.5 | 0618 | - | - | - | - | - | - | - | - | - | - | - | - |
| Dealy Lane (Ranch 80) | 8/29/25 | 87.0 0.7 | 1538 | 48.3 1.1 | 0615 | 51.6 0.1 | 94 1 | 29 2 | 2.1 | 12.5 0.1 | 1501 | SSE | 161 | 0.00 | 0.00 | 0.186 0.008 | 587 18 | 80 10 |
| Carneros (Saintsbury) | 8/29/25 | 84.3 0.4 | 1645 | 50.2 1.2 | 0620 | 53.3 0.6 | 95 2 | 31 3 | 4.4 | 18.1 0.4 | 1434 | SSE | 156 | 0.00 | 0.00 | - | - | 100 0 |
| Suscol Lower (Ranch 35) | 8/29/25 | 82.4 2.4 | 1533 | 51.6 2.3 | 0607 | 53.5 1.5 | - | - | 4.4 | 16.7 2.9 | 1615 | SSW | 202 | 0.00 | 0.00 | 0.181 0.009 | 528 25 | 100 0 |
| Suscol Mtn (Ranch 93) | 8/29/25 | 84.2 3.5 | 1555 | 53.1 0.5 | 0604 | 54.1 1.7 | 98 7 | 41 21 | 4.3 | 17.2 2.7 | 1231 | WNW | 293 | 0.00 | 0.00 | - | - | 100 10 |
| Suscol Upper (Ranch 92) | 8/29/25 | 79.9 4.5 | 1625 | 53.5 0.2 | 0559 | 53.9 1.8 | 100 7 | 41 20 | 3.9 | 16.3 3.7 | 1024 | SW | 219 | 0.00 | 0.00 | - | - | 100 0 |
| Stanly (Ranch 45) | 8/29/25 | 82.3 0.1 | 1750 | 48.2 3.8 | 0705 | 52.9 1.2 | 95 1 | 35 1 | 5.3 | 16.2 0.6 | 1605 | S | 186 | 0.00 | 0.00 | 0.209 0.011 | 627 20 | 100 0 |
| Carneros Upper (Ranch 81) | 8/29/25 | 85.7 0.5 | 1450 | 53.3 0.7 | 0638 | 53.2 0.5 | 100 11 | 30 0 | 8.3 | 20.5 8.0 | 1828 | W | 266 | - | - | - | - | 100 10 |
| Carneros (Mitsuko) | 8/29/25 | 84.7 0.0 | 1617 | 47.0 1.6 | 0637 | - | - | - | - | - | - | - | - | - | - | - | 100 0 |
| Carneros Lower (Ranch 81) | 8/29/25 | 90.3 1.6 | 1539 | 53.1 3.1 | 0657 | 54.3 0.5 | 100 0 | 28 4 | 0.7 | 10.2 1.2 | 1448 | SSE | 166 | 0.00 | 0.00 | 0.164 0.008 | 536 16 | 90 10 |
| Carneros (Milton Rd) | 8/29/25 | 82.9 0.3 | 1715 | 52.3 7.5 | 0703 | 54.2 1.8 | 92 1 | 34 2 | - | - | - | - | 0.00 | 0.00 | - | - | 100 0 |
| Max | 90.3 | - | 58.5 | - | 55.8 | 100 | 41 | 8.3 | 20.5 | - | - | 0.00 | 0.05 | 0.215 | 708 | - | |
| Avg | - | - | - | - | 52.1 | - | - | 3.3 | - | - | - | - | - | - | - | - | |
| Min | 79.9 | - | 45.4 | - | 38.9 | 66 | 28 | 0.7 | 8.6 | - | - | 0.00 | 0.00 | 0.106 | 271 | - |