| 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 | 8/7/26 | 97.9 2.8 | 1626 | 61.4 5.9 | 0700 | - | - | - | - | - | - | - | 0.00 | 0.00 | - | - | 0 0 |
| Pope Valley (Weeks Lake) | 8/7/26 | 102.5 4.4 | 1652 | 49.1 3.0 | 0621 | 49.0 3.6 | 88 10 | 10 5 | 1.6 0.1 | 11.2 2.2 | 1411 | SSE | 147 | 0.00 | 0.00 | 0.204 0.015 | 538 63 | 0 0 |
| Dollarhide Base | 8/7/26 | 102.6 1.2 | 1242 | 56.2 2.0 | 0556 | 55.5 3.6 | 83 6 | 16 1 | 3.1 0.0 | 13.2 2.6 | 1253 | WSW | 244 | 0.00 | 0.00 | 0.250 0.012 | 619 45 | 0 0 |
| Dollarhide 1AS Remote | 8/7/26 | 105.3 3.4 | 1605 | 52.1 4.0 | 0523 | 53.6 3.1 | 83 5 | 17 4 | 2.8 0.2 | 15.0 0.7 | 1257 | SW | 227 | - | - | - | - | 0 0 |
| Dollarhide 16A Remote | 8/7/26 | 100.2 0.3 | 1238 | 56.0 3.5 | 0630 | 56.0 3.5 | 83 8 | 19 4 | - | - | - | - | - | - | - | - | 0 0 |
| Dollarhide 18A Remote | 8/7/26 | 100.3 2.3 | 1212 | 49.9 3.4 | 0639 | 55.0 4.4 | 93 3 | 18 3 | - | - | - | - | - | - | - | - | 0 0 |
| Hardin Rd (Eakle) | 8/7/26 | 101.3 2.2 | 1519 | 53.3 2.9 | 0637 | - | - | - | - | - | - | - | - | - | - | - | 0 0 |
| Angwin | 8/7/26 | 91.8 3.3 | 1626 | 74.8 4.9 | 0631 | 39.7 2.2 | 37 8 | 8 2 | 2.5 0.4 | 12.2 1.5 | 1411 | SE | 128 | 0.00 | 0.00 | 0.070 0.006 | 0 0 | 100 0 |
| Lower Angwin (Pioneer) | 8/7/26 | 90.9 1.2 | 1640 | 49.5 3.5 | 0608 | - | - | - | 1.6 0.1 | 11.8 1.0 | 1408 | WNW | 289 | - | - | - | - | 0 0 |
| Las Posadas (Cal Fire) | 8/7/26 | 94.3 2.5 | 1517 | 51.2 0.7 | 0620 | 53.5 2.3 | 91 2 | 24 1 | 8.8 1.5 | 23.1 3.4 | 1648 | SW | 225 | 0.00 | 0.00 | 0.268 0.010 | 562 35 | - |
| Deer Park | 8/7/26 | 93.6 0.1 | 1458 | 52.4 0.2 | 0626 | 53.7 2.2 | 91 3 | 29 12 | 3.1 0.2 | 15.6 2.5 | 1651 | SSE | 147 | 0.00 | 0.00 | 0.168 0.014 | 403 46 | 0 0 |
| Lower Chiles Valley (Brown) | 8/7/26 | 95.4 0.9 | 1640 | 53.4 2.4 | 0608 | 53.6 3.8 | 91 0 | 23 11 | 4.1 0.0 | 14.3 3.3 | 1355 | WNW | 288 | 0.00 | 0.00 | 0.217 0.017 | 592 59 | 0 0 |
| Moss Creek Vineyard/Reservior | 8/7/26 | 104.5 2.3 | 1513 | 57.0 5.8 | 0616 | 50.9 2.8 | 80 11 | 10 4 | - | - | - | - | 0.00 | 0.00 | - | - | 0 0 |
| Max | 105.3 | - | 74.8 | - | 56.0 | 93 | 29 | 8.8 | 23.1 | - | - | 0.00 | 0.00 | 0.268 | 619 | - | |
| Avg | - | - | - | - | 52.1 | - | - | 3.4 | - | - | - | - | - | - | - | - | |
| Min | 90.9 | - | 49.1 | - | 39.7 | 37 | 8 | 1.6 | 11.2 | - | - | 0.00 | 0.00 | 0.070 | 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 | 8/7/26 | 101.7 4.8 | 1519 | 53.7 2.2 | 0459 | 56.2 2.6 | 93 3 | 23 3 | - | - | - | - | 0.00 | 0.00 | - | - | 0 0 |
| Diamond Mtn (Schramsberg) | 8/7/26 | 100.7 5.8 | 1614 | 51.0 0.5 | 0630 | 53.1 4.6 | 89 11 | 14 1 | - | - | - | - | 0.00 | 0.00 | - | - | 0 0 |
| Diamond Mtn (McEachran) | 8/7/26 | 96.3 1.4 | 1616 | 52.0 0.6 | 0633 | 54.6 5.1 | 92 2 | 20 4 | - | - | - | - | - | - | - | - | 0 0 |
| St. Helena-North | 8/7/26 | 92.5 2.7 | 1608 | 52.5 1.4 | 0622 | 52.8 1.6 | 85 1 | 27 8 | 3.2 | 15.6 3.7 | 1407 | SE | 141 | 0.00 | 0.00 | 0.204 0.006 | 508 60 | 0 0 |
| St. Helena (NVV Office) | 8/7/26 | 92.3 0.4 | 1553 | 54.7 0.6 | 0632 | - | - | - | 1.7 | 10.0 1.0 | 1404 | ENE | 69 | 0.00 | 0.00 | - | - | 0 0 |
| Tiara Fria (East St. Helena) | 8/7/26 | 89.2 1.3 | 1544 | 52.2 0.4 | 0618 | 54.8 1.0 | 88 3 | 36 4 | 2.4 | 12.5 1.6 | 1627 | SE | 124 | 0.00 | 0.00 | - | - | 0 0 |
| Prisoner Winery | 8/7/26 | 93.6 1.2 | 1519 | 51.3 0.4 | 0547 | 55.1 1.1 | 95 0 | 31 2 | 1.2 | 8.8 1.0 | 1358 | SE | 138 | 0.00 | 0.00 | 0.031 0.119 | 30 525 | 0 0 |
| Rutherford Hill Estate | 8/7/26 | 91.4 0.6 | 1538 | 53.1 1.6 | 0522 | 55.0 1.6 | 93 7 | 35 6 | 1.4 | 12.7 1.8 | 1652 | SSE | 164 | 0.00 | 0.00 | 0.172 0.012 | 521 28 | 0 0 |
| Rutherford-North (Mee Ln) | 8/7/26 | 89.5 0.0 | 1537 | 49.3 1.9 | 0639 | 54.3 1.0 | 91 2 | 36 2 | 2.9 | 15.6 2.0 | 1653 | S | 169 | 0.00 | 0.00 | 0.186 0.009 | 514 20 | 0 0 |
| Rutherford (STS) | 8/7/26 | 91.4 0.9 | 1514 | 49.3 2.7 | 0534 | 56.9 1.2 | 92 1 | 39 2 | 1.9 | 12.7 0.9 | 1625 | ESE | 121 | 0.00 | 0.00 | 0.202 0.015 | 615 38 | 0 0 |
| Oakville-NE (Ranch 88) | 8/7/26 | 88.5 2.0 | 1517 | 49.7 3.4 | 0627 | 52.9 2.3 | 86 2 | 35 5 | 2.2 | 17.0 1.1 | 1625 | SSE | 168 | 0.00 | 0.00 | 0.190 0.016 | 555 40 | 100 0 |
| OV561-East | 8/7/26 | 89.3 1.8 | 1522 | 51.6 2.2 | 0611 | - | - | - | - | - | - | - | - | - | - | - | 0 0 |
| Oakville | 8/7/26 | 84.9 2.1 | 1509 | 50.6 2.7 | 0615 | 54.3 2.1 | 89 2 | 40 5 | 3.3 | 17.6 0.0 | 1637 | SSE | 151 | 0.00 | 0.00 | 0.194 0.027 | 568 79 | 40 20 |
| OV518-West | 8/7/26 | 85.3 1.2 | 1507 | 51.3 2.8 | 0548 | - | - | - | - | - | - | - | - | - | - | - | 40 20 |
| To Kalon Remote (TKKE) | 8/7/26 | 90.4 0.1 | 1515 | 51.1 2.1 | 0559 | - | - | - | - | - | - | - | - | - | - | - | 0 0 |
| To Kalon | 8/7/26 | 86.9 0.8 | 1529 | 51.4 2.5 | 0637 | 55.6 1.7 | 94 1 | 41 5 | 3.2 | 15.4 1.4 | 1621 | SE | 137 | 0.00 | 0.00 | 0.195 0.019 | 568 51 | 0 0 |
| To Kalon Remote (TKN5) | 8/7/26 | 89.0 2.3 | 1501 | 51.1 2.2 | 0551 | - | - | - | - | - | - | - | - | - | - | - | 0 0 |
| Yountville (Ranch 67) | 8/7/26 | 83.4 1.4 | 1515 | 50.6 3.8 | 0538 | 53.6 2.4 | 91 0 | 41 5 | 4.0 | 16.4 0.5 | 1605 | SSE | 153 | 0.00 | 0.00 | 0.200 0.019 | 618 69 | 100 10 |
| Stags Leap Dist (Silverado Vineyards) | 8/7/26 | 85.3 0.3 | 1514 | 50.8 3.7 | 0613 | 53.8 2.3 | 92 2 | 38 2 | 3.4 | 16.4 0.4 | 1644 | ESE | 121 | 0.00 | 0.00 | 0.198 0.018 | 579 57 | 90 20 |
| Borreo (Soda Canyon) | 8/7/26 | 85.3 1.6 | 1518 | 49.4 2.5 | 0520 | 52.7 2.1 | 94 4 | 37 5 | 1.7 | 11.4 1.2 | 1617 | S | 176 | 0.00 | 0.00 | 0.192 0.019 | 618 55 | 90 20 |
| Wappo Hill Floor | 8/7/26 | 84.3 2.3 | 1524 | 50.5 3.2 | 0548 | 55.3 2.4 | 100 0 | 42 4 | 2.8 | 13.7 2.2 | 1604 | ESE | 119 | 0.00 | 0.00 | 0.189 0.025 | 580 68 | 20 20 |
| Stags Leap Dist (Chimney Rock) | 8/7/26 | 84.5 0.5 | 1524 | 51.0 4.2 | 0525 | 56.6 2.3 | 96 1 | 48 3 | 2.7 | 13.3 1.4 | 1605 | SSE | 152 | 0.00 | 0.00 | 0.169 0.019 | 524 53 | 100 10 |
| Yountville-South (Ranch 87) | 8/7/26 | 86.4 0.5 | 1523 | 51.7 3.8 | 0458 | 55.6 2.4 | 94 1 | 40 2 | 1.7 | 11.0 1.4 | 1802 | SSE | 152 | 0.00 | 0.00 | 0.183 0.018 | 583 51 | 0 0 |
| Yountville-SE (Ranch 85) | 8/7/26 | 84.1 0.1 | 1520 | 52.2 4.2 | 0533 | 55.9 2.2 | 94 1 | 44 4 | 2.4 | 15.3 0.8 | 1635 | SE | 138 | 0.00 | 0.00 | - | 0 0 | 100 0 |
| Oak Knoll-East (Ranch 53) | 8/7/26 | 83.8 0.8 | 1524 | 52.9 4.6 | 0519 | 54.9 2.7 | 90 1 | 42 4 | 2.6 | 13.5 1.8 | 1607 | ESE | 117 | 0.00 | 0.00 | 0.186 0.028 | 590 79 | 20 20 |
| Napa-NW (Ranch 54) | 8/7/26 | 88.1 1.4 | 1518 | 52.4 3.6 | 0445 | 54.8 1.9 | 91 0 | 38 11 | 0.5 | 6.0 0.5 | 1252 | E | 100 | 0.00 | 0.00 | - | 0 0 | 0 0 |
| Napa-North (Ranch 29) | 8/7/26 | 81.5 2.1 | 1525 | 53.4 4.8 | 0514 | 56.1 2.4 | 100 0 | 47 6 | 1.7 | 12.6 0.9 | 1222 | SW | 229 | 0.00 | 0.00 | 0.111 0.018 | 322 56 | 100 0 |
| Max | 101.7 | - | 54.7 | - | 56.9 | 100 | 48 | 4.0 | 17.6 | - | - | 0.00 | 0.00 | 0.204 | 618 | - | |
| Avg | - | - | - | - | 54.8 | - | - | 2.3 | - | - | - | - | - | - | - | - | |
| Min | 81.5 | - | 49.3 | - | 52.7 | 85 | 14 | 0.5 | 6.0 | - | - | 0.00 | 0.00 | 0.031 | 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 | 8/7/26 | 88.6 2.6 | 1602 | 57.7 2.3 | 0421 | 53.8 5.1 | 73 8 | 32 13 | 1.3 | 9.9 1.5 | 1301 | ESE | 116 | 0.00 | 0.00 | 0.406 0.140 | 1,494 515 | 30 10 |
| Mount George (Napa East) | 8/7/26 | 86.1 3.4 | 0000 | 52.8 6.3 | 0525 | 56.2 4.3 | 96 3 | 41 4 | 1.7 | 10.6 1.8 | 1320 | SW | 217 | 0.00 | 0.00 | 0.176 0.018 | 576 56 | 100 0 |
| Napa-East (Palmaz 300') | 8/7/26 | 88.9 1.2 | 1514 | 52.5 3.0 | 0532 | 54.6 2.0 | 97 3 | 35 3 | 1.1 | 11.2 0.4 | 1600 | SW | 234 | 0.00 | 0.00 | 0.153 0.025 | 466 61 | 0 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') | 8/7/26 | 84.3 2.4 | 1511 | 53.2 1.4 | 0514 | 53.6 2.1 | 95 1 | 42 6 | 3.1 | 11.8 0.9 | 1558 | WSW | 243 | 0.00 | 0.00 | 0.183 0.020 | 569 66 | 100 0 |
| Wooden Valley | 8/7/26 | 90.1 2.7 | 1520 | 58.7 5.8 | 0425 | 51.9 3.2 | 73 13 | 29 6 | 4.9 | 18.0 0.9 | 1832 | WSW | 242 | 0.00 | 0.00 | 0.220 0.023 | 578 81 | 20 10 |
| Napa-West Upper (Truchard) | 8/7/26 | 84.0 1.4 | 1509 | 51.2 0.7 | 0628 | 34.4 4.9 | 100 0 | 0 0 | 2.9 | 15.1 1.4 | 1551 | S | 172 | 0.00 | 0.00 | 0.188 0.029 | 581 70 | 100 0 |
| Napa-West Lower (Truchard) | 8/7/26 | 83.0 3.0 | 1511 | 47.4 3.8 | 0508 | 53.0 2.3 | 94 0 | 42 7 | - | - | - | - | - | - | - | - | 100 0 |
| Napa-South (Toyon Farms) | 8/7/26 | 80.5 1.4 | 1447 | 52.7 1.6 | 0509 | 56.9 1.1 | 99 0 | 54 6 | 3.6 | 15.2 1.2 | 1549 | SSE | 164 | 0.00 | 0.00 | 0.093 0.019 | 270 39 | 100 0 |
| Toyon Remote 1 | 8/7/26 | 80.0 2.1 | 1507 | 49.0 3.1 | 0518 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 2 | 8/7/26 | 79.8 1.8 | 1453 | 50.8 4.2 | 0513 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 3 | 8/7/26 | 81.5 1.5 | 1502 | 49.9 3.9 | 0627 | - | - | - | - | - | - | - | - | - | - | - | - |
| Dealy Lane (Ranch 80) | 8/7/26 | 81.2 4.1 | 1506 | 51.1 2.9 | 0514 | 54.2 2.3 | 94 0 | 39 8 | 2.6 | 15.9 2.3 | 1258 | SE | 133 | 0.00 | 0.00 | 0.174 0.030 | 567 78 | 100 0 |
| Carneros (Saintsbury) | 8/7/26 | 78.8 2.1 | 1458 | 49.7 2.3 | 0618 | 54.3 1.5 | 100 0 | 50 11 | 5.0 | 17.2 0.2 | 1544 | SSW | 192 | 0.00 | 0.00 | - | - | 100 0 |
| Suscol Lower (Ranch 35) | 8/7/26 | 79.4 1.4 | 1520 | 51.7 3.8 | 0618 | 54.6 2.1 | 100 0 | 48 7 | 4.2 | 16.2 1.5 | 1821 | S | 188 | 0.00 | 0.00 | 0.165 0.032 | 518 77 | 100 0 |
| Suscol Mtn (Ranch 93) | 8/7/26 | 83.0 0.9 | 1523 | 51.5 0.5 | 0619 | 55.1 1.9 | 99 2 | 47 5 | 4.4 | 13.7 2.5 | 1508 | NW | 307 | 0.00 | 0.00 | - | - | 100 0 |
| Suscol Upper (Ranch 92) | 8/7/26 | 79.4 1.3 | 1513 | 52.3 0.8 | 0613 | 25.4 2.4 | 100 0 | 0 0 | 1.6 | 12.1 1.2 | 1822 | SSW | 202 | 0.00 | 0.00 | - | - | 100 0 |
| Stanly (Ranch 45) | 8/7/26 | 79.0 0.7 | 1455 | 51.3 4.9 | 0458 | 54.7 1.8 | 93 1 | 49 7 | 5.1 | 17.1 0.7 | 1546 | SSW | 202 | 0.00 | 0.00 | 0.176 0.036 | 566 100 | 100 0 |
| Carneros Upper (Ranch 81) | 8/7/26 | 83.6 0.1 | 1506 | 53.7 1.3 | 0434 | 33.3 19.2 | - | - | 8.1 | 21.7 0.1 | 1927 | WSW | 256 | - | - | - | - | 100 0 |
| Carneros (Mitsuko) | 8/7/26 | 80.1 4.5 | 1457 | 52.2 7.0 | 0622 | - | - | - | - | - | - | - | - | - | - | - | 100 0 |
| Carneros Lower (Ranch 81) | 8/7/26 | 81.9 6.4 | 1451 | 54.0 2.3 | 0459 | 55.0 2.0 | 93 7 | 40 39 | 1.6 | 11.8 1.3 | 1331 | SSE | 168 | 0.00 | 0.00 | 0.165 0.029 | 539 86 | 100 0 |
| Carneros (Milton Rd) | 8/7/26 | 78.0 1.5 | 1513 | 54.4 3.8 | 0418 | 55.0 1.4 | 93 0 | 50 8 | - | - | - | - | 0.00 | 0.00 | - | - | 100 0 |
| Max | 90.1 | - | 58.7 | - | 56.9 | 100 | 54 | 8.1 | 21.7 | - | - | 0.00 | 0.00 | 0.406 | 1,494 | - | |
| Avg | - | - | - | - | 50.3 | - | - | 3.4 | - | - | - | - | - | - | - | - | |
| Min | 78.0 | - | 47.4 | - | 25.4 | 73 | 0 | 1.1 | 9.9 | - | - | 0.00 | 0.00 | 0.093 | 270 | - |