| 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 | 6/17/26 | 89.3 3.0 | 1234 | 50.7 6.2 | 0041 | - | - | - | - | - | - | - | 0.00 | 50.54 | - | - | 40 10 |
| Pope Valley (Weeks Lake) | 6/17/26 | 87.6 2.8 | 1455 | 49.8 2.5 | 0534 | 54.4 1.0 | 100 0 | 37 5 | 2.2 0.0 | 12.5 0.2 | 1527 | ESE | 116 | 0.00 | 26.64 | 0.209 0.008 | 624 8 | 10 10 |
| Dollarhide Base | 6/17/26 | 89.9 2.6 | 1536 | 55.4 0.0 | 0552 | 58.3 0.9 | 94 0 | 43 3 | 4.1 0.0 | 17.6 2.5 | 1750 | SSW | 205 | 0.00 | 23.55 | 0.242 0.010 | 704 6 | 0 10 |
| Dollarhide 1AS Remote | 6/17/26 | 89.9 2.3 | 1552 | 54.5 1.2 | 0550 | 57.3 0.9 | 92 1 | 40 3 | 4.7 0.3 | 17.1 0.8 | 1452 | S | 190 | - | - | - | - | 0 0 |
| Dollarhide 16A Remote | 6/17/26 | 87.3 2.6 | 1458 | 54.1 0.7 | 0551 | 57.9 1.0 | 95 0 | 44 3 | - | - | - | - | - | - | - | - | 30 10 |
| Dollarhide 18A Remote | 6/17/26 | 87.2 3.2 | 1447 | 55.0 1.4 | 0558 | 57.0 0.8 | 92 2 | 43 3 | - | - | - | - | - | - | - | - | 10 10 |
| Hardin Rd (Eakle) | 6/17/26 | 88.5 2.8 | 1519 | 56.0 0.4 | 0626 | - | - | - | - | - | - | - | - | - | - | - | 30 10 |
| Angwin | 6/17/26 | 81.2 3.1 | 1130 | 52.4 9.1 | 0056 | 54.8 1.1 | 96 19 | 42 5 | 3.5 0.0 | 13.0 0.3 | 1718 | SSE | 168 | 0.00 | 46.17 | 0.045 0.011 | 0 0 | 100 0 |
| Lower Angwin (Pioneer) | 6/17/26 | 78.3 3.8 | 1631 | 50.7 0.8 | 0556 | - | - | - | 2.9 0.4 | 14.7 1.2 | 1638 | WSW | 249 | - | - | - | - | 100 0 |
| Las Posadas (Cal Fire) | 6/17/26 | 80.4 3.1 | 1501 | 51.5 0.6 | 0554 | 54.6 0.3 | 96 2 | 48 5 | 10.9 1.1 | 26.3 3.9 | 1856 | SW | 225 | 0.00 | 35.41 | 0.215 0.015 | 634 11 | - |
| Deer Park | 6/17/26 | 82.2 4.9 | 1604 | 53.6 0.4 | 0546 | 54.6 0.2 | 94 1 | 44 7 | 5.6 1.1 | 15.5 0.7 | 2049 | NNW | 337 | 0.00 | 29.37 | 0.165 0.013 | 467 8 | 70 20 |
| Lower Chiles Valley (Brown) | 6/17/26 | 81.8 2.9 | 1703 | 53.9 0.2 | 0635 | 55.4 0.2 | 95 1 | 44 4 | 4.6 0.7 | 16.2 0.3 | 1513 | WNW | 297 | 0.00 | 26.24 | 0.207 0.013 | 648 31 | 80 20 |
| Moss Creek Vineyard/Reservior | 6/16/26 | 91.0 2.3 | 1316 | 55.3 0.4 | 0618 | 55.2 0.2 | 88 0 | 33 3 | - | - | - | - | 0.00 | 27.15 | - | - | 0 10 |
| Max | 89.9 | - | 56.0 | - | 58.3 | 100 | 48 | 10.9 | 26.3 | - | - | 0.00 | 50.54 | 0.242 | 704 | - | |
| Avg | - | - | - | - | 56.0 | - | - | 4.8 | - | - | - | - | - | - | - | - | |
| Min | 78.3 | - | 49.8 | - | 54.4 | 92 | 37 | 2.2 | 12.5 | - | - | 0.00 | 23.55 | 0.045 | 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 | 5/31/26 | 88.7 6.1 | 1339 | 45.9 5.6 | 0544 | 52.8 1.2 | 97 1 | 32 5 | - | - | - | - | 0.00 | 32.79 | - | - | 30 10 |
| Diamond Mtn (Schramsberg) | 6/17/26 | 82.2 3.9 | 1540 | 53.0 2.4 | 0538 | 55.0 0.8 | 100 0 | 44 7 | - | - | - | - | 0.00 | 31.46 | - | - | 70 20 |
| Diamond Mtn (McEachran) | 6/17/26 | 79.0 4.7 | 1533 | 53.7 1.2 | 0544 | 54.8 0.9 | 97 4 | 49 8 | - | - | - | - | - | - | - | - | 100 10 |
| St. Helena-North | 6/17/26 | 85.7 5.3 | 1544 | 56.3 1.0 | 0538 | 53.6 0.8 | 84 1 | 37 7 | 2.7 | 14.7 2.2 | 1324 | NW | 320 | 0.00 | 31.48 | 0.183 0.008 | 555 3 | 20 20 |
| St. Helena (NVV Office) | 6/17/26 | 85.9 3.6 | 1632 | 56.8 1.0 | 0536 | - | - | - | 2.3 | 11.9 2.0 | 2226 | NW | 325 | 0.00 | 29.13 | - | - | 30 20 |
| Tiara Fria (East St. Helena) | 6/17/26 | 83.7 1.1 | 1528 | 56.7 0.4 | 0613 | 55.5 0.3 | 86 1 | 43 3 | 3.8 | 13.8 1.1 | 2236 | NNW | 328 | 0.00 | 27.01 | - | - | 60 20 |
| Rutherford Hill Estate | 6/17/26 | 84.2 1.5 | 1457 | 55.8 1.6 | 0628 | 55.4 0.3 | 88 4 | 42 3 | 2.3 | 11.6 2.9 | 1751 | SSE | 148 | 0.00 | 25.35 | 0.174 0.004 | 546 8 | 60 20 |
| Rutherford-North (Mee Ln) | 6/17/26 | 82.9 1.7 | 1438 | 56.7 2.6 | 0613 | 55.2 0.4 | 86 5 | 44 3 | 4.3 | 17.1 0.0 | 1705 | ESE | 118 | 0.00 | 24.87 | 0.188 0.010 | 561 12 | 70 20 |
| Rutherford (STS) | 6/17/26 | 85.3 1.4 | 1432 | 57.1 3.9 | 0616 | 57.7 0.5 | 90 2 | 47 4 | 2.8 | 12.5 1.5 | 1737 | SE | 132 | 0.00 | 26.10 | 0.202 0.008 | 640 8 | 40 20 |
| Oakville-NE (Ranch 88) | 6/17/26 | 84.1 1.4 | 1435 | 57.6 2.2 | 0641 | 54.2 0.4 | 81 6 | 39 2 | 2.6 | 15.6 0.9 | 1659 | S | 179 | 0.00 | 25.32 | 0.189 0.009 | 576 8 | 100 0 |
| OV561-East | 6/17/26 | 82.7 2.3 | 1502 | 57.9 2.2 | 0720 | - | - | - | - | - | - | - | - | - | - | - | 90 20 |
| Oakville | 6/17/26 | 80.4 1.9 | 1415 | 57.8 2.4 | 0702 | 55.2 0.4 | 86 4 | 46 3 | 3.4 | 17.5 0.3 | 1718 | SE | 140 | 0.00 | 26.11 | 0.197 0.010 | 624 10 | 100 0 |
| OV518-West | 6/17/26 | 79.4 2.5 | 1407 | 58.0 3.0 | 0544 | - | - | - | - | - | - | - | - | - | - | - | 100 0 |
| To Kalon Remote (TKKE) | 6/17/26 | 83.5 1.9 | 1414 | 58.2 2.8 | 0711 | - | - | - | - | - | - | - | - | - | - | - | 70 20 |
| To Kalon | 6/17/26 | 80.7 2.9 | 1405 | 57.5 3.0 | 0532 | 55.9 0.3 | 85 8 | 47 4 | 3.5 | 16.7 1.8 | 1613 | SE | 134 | 0.00 | 28.00 | 0.183 0.011 | 565 7 | 100 0 |
| To Kalon Remote (TKN5) | 6/17/26 | 83.5 2.5 | 1409 | 58.1 2.4 | 0543 | - | - | - | - | - | - | - | - | - | - | - | 100 20 |
| Yountville (Ranch 67) | 6/17/26 | 77.7 2.7 | 1345 | 56.5 1.5 | 0101 | 54.1 0.6 | 86 2 | 47 3 | 3.3 | 19.0 2.3 | 1652 | SSE | 157 | 0.00 | 24.03 | 0.199 0.010 | 670 7 | 100 0 |
| Stags Leap Dist (Silverado Vineyards) | 6/17/26 | 78.1 3.3 | 1510 | 56.1 1.1 | 0104 | 54.5 0.6 | 87 2 | 48 6 | 2.6 | 18.3 1.2 | 1559 | SE | 146 | 0.00 | 28.04 | 0.188 0.011 | 602 12 | 100 0 |
| Borreo (Soda Canyon) | 6/16/26 | 79.0 1.6 | 1612 | 52.5 3.9 | 0059 | 53.1 0.3 | 93 2 | 45 1 | 2.1 | 11.4 1.2 | 1442 | SSE | 168 | 0.00 | 27.74 | 0.194 0.022 | 640 73 | 100 0 |
| Wappo Hill Floor | 6/17/26 | 79.2 3.0 | 1508 | 57.3 1.7 | 0101 | 55.5 0.8 | 87 2 | 50 5 | 3.3 | 14.5 1.7 | 1656 | SE | 126 | 0.00 | 27.12 | 0.194 0.012 | 622 15 | 100 0 |
| Stags Leap Dist (Chimney Rock) | 6/17/26 | 77.9 3.1 | 1447 | 58.0 1.9 | 0101 | 57.1 0.9 | 89 2 | 54 4 | 3.3 | 13.7 1.7 | 1642 | SSE | 153 | 0.00 | 26.50 | 0.170 0.012 | 551 16 | 100 0 |
| Yountville-South (Ranch 87) | 6/17/26 | 80.4 3.2 | 1502 | 56.9 1.1 | 0101 | 56.2 0.8 | 89 2 | 48 6 | 2.0 | 12.4 1.1 | 1521 | S | 174 | 0.00 | 27.76 | 0.191 0.013 | 628 23 | 100 0 |
| Yountville-SE (Ranch 85) | 6/17/26 | 78.3 2.6 | 1331 | 58.3 2.3 | 0101 | 56.2 0.8 | 87 4 | 51 4 | 3.5 | 15.1 0.0 | 1353 | SE | 145 | 0.00 | 26.09 | - | 0 0 | 100 0 |
| Oak Knoll-East (Ranch 53) | 6/17/26 | 78.1 3.3 | 1325 | 56.9 1.3 | 0101 | 55.3 0.9 | 88 4 | 48 6 | 2.4 | 15.5 1.2 | 1647 | SE | 126 | 0.00 | 24.76 | 0.188 0.019 | 618 44 | 100 0 |
| Napa-NW (Ranch 54) | 6/17/26 | 81.0 5.3 | 1837 | 56.9 1.7 | 0104 | 56.0 1.5 | 88 3 | 46 10 | 1.0 | 8.1 1.1 | 1553 | ENE | 61 | 0.00 | 27.13 | - | 0 0 | 80 20 |
| Napa-North (Ranch 29) | 6/17/26 | 74.8 3.2 | 1255 | 57.7 1.7 | 0116 | 55.6 1.0 | 87 3 | 55 5 | 3.1 | 17.9 1.7 | 1704 | S | 170 | 0.00 | 25.63 | 0.137 0.006 | 434 7 | 100 0 |
| Max | 85.9 | - | 58.3 | - | 57.7 | 100 | 55 | 4.3 | 19.0 | - | - | 0.00 | 31.48 | 0.202 | 670 | - | |
| Avg | - | - | - | - | 55.4 | - | - | 2.9 | - | - | - | - | - | - | - | - | |
| Min | 74.8 | - | 53.0 | - | 53.6 | 81 | 37 | 1.0 | 8.1 | - | - | 0.00 | 24.03 | 0.137 | 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 | 6/17/26 | 81.6 2.0 | 1547 | 51.5 0.0 | 0619 | 55.0 0.5 | 100 0 | 47 4 | 1.3 | 7.5 0.7 | 1151 | SE | 131 | 0.00 | 34.60 | 0.330 0.055 | 1,360 279 | 100 0 |
| Mount George (Napa East) | 6/17/26 | 78.1 0.3 | 1248 | 60.6 5.8 | 0115 | 60.2 4.9 | 93 0 | 55 5 | 2.4 | 14.1 1.6 | 1424 | W | 260 | 0.00 | 17.28 | 0.179 0.014 | 593 61 | 100 0 |
| Napa-East (Palmaz 300') | 6/17/26 | 80.2 1.1 | 1537 | 57.0 2.2 | 0501 | 55.4 1.2 | 88 4 | 46 3 | 2.7 | 12.3 0.7 | 1628 | SW | 236 | 0.00 | 23.52 | 0.170 0.004 | 544 3 | 100 0 |
| Napa-East (Palmaz 1200') | 6/12/26 | 86.5 8.3 | 1535 | 53.7 3.0 | 0050 | 52.0 10.9 | 86 8 | 34 25 | 2.3 | 14.6 1.8 | 1450 | NW | 311 | - | - | 0.233 0.035 | 717 12 | 90 20 |
| Napa-East (Palmaz 1400') | 6/17/26 | 73.1 2.2 | 1443 | 52.3 1.5 | 0459 | 55.1 1.0 | 100 0 | 60 5 | 3.8 | 16.4 1.9 | 1835 | SSW | 212 | 0.00 | 31.03 | 0.160 0.021 | 581 67 | 80 10 |
| Wooden Valley | 6/17/26 | 77.1 1.6 | 1608 | 54.6 0.8 | 0527 | 54.1 0.9 | 90 0 | 49 3 | 4.9 | 17.8 1.2 | 1855 | W | 266 | 0.00 | 29.46 | 0.196 0.012 | 662 18 | 100 0 |
| Napa-West Upper (Truchard) | 6/17/26 | 76.7 5.1 | 1441 | 55.9 2.5 | 0545 | 56.6 11.3 | 100 0 | 51 51 | 5.7 | 18.4 0.5 | 1735 | S | 180 | 0.00 | 24.70 | 0.190 0.024 | 598 64 | 100 0 |
| Napa-West Lower (Truchard) | 6/17/26 | 77.4 4.8 | 1244 | 56.6 2.7 | 0550 | 55.5 1.5 | 89 3 | 48 7 | - | - | - | - | - | - | - | - | 100 0 |
| Napa-South (Toyon Farms) | 6/17/26 | 75.6 2.4 | 1418 | 57.0 2.5 | 0619 | 57.5 1.4 | 93 2 | 59 2 | 4.6 | 20.2 2.7 | 1625 | S | 177 | 0.00 | 18.70 | 0.103 0.009 | 343 13 | 100 0 |
| Toyon Remote 1 | 6/17/26 | 77.6 2.4 | 1230 | 57.0 2.5 | 0539 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 2 | 6/17/26 | 74.7 2.3 | 1227 | 57.6 2.7 | 0538 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 3 | 6/17/26 | 77.7 1.6 | 1231 | 57.7 3.0 | 0537 | - | - | - | - | - | - | - | - | - | - | - | - |
| Dealy Lane (Ranch 80) | 6/17/26 | 78.0 1.7 | 1754 | 56.9 2.5 | 0535 | 55.2 1.5 | 89 1 | 49 5 | 3.7 | 16.3 2.0 | 1508 | SE | 136 | 0.00 | 23.81 | 0.176 0.025 | 584 82 | 100 0 |
| Carneros (Saintsbury) | 6/17/26 | 73.2 2.9 | 1218 | 55.8 3.4 | 0515 | 55.2 1.4 | 90 3 | 54 4 | 7.2 | 23.0 3.7 | 1721 | S | 178 | 0.00 | 8.94 | - | - | 90 10 |
| Suscol Lower (Ranch 35) | 6/17/26 | 75.4 1.6 | 1420 | 56.7 2.9 | 0522 | 54.8 1.4 | - | - | 6.8 | 24.2 5.9 | 1701 | SSW | 204 | 0.00 | 23.25 | 0.162 0.022 | 510 70 | 90 10 |
| Suscol Mtn (Ranch 93) | 6/17/26 | 77.4 1.7 | 1449 | 52.9 2.4 | 0430 | 55.6 0.3 | 100 0 | 56 6 | 9.7 | 23.0 5.7 | 1636 | WNW | 282 | 0.00 | 19.27 | - | - | 80 10 |
| Suscol Upper (Ranch 92) | 6/17/26 | 72.8 2.3 | 1439 | 53.5 2.6 | 0608 | 44.7 1.3 | 100 0 | 3 0 | 7.5 | 19.8 4.6 | 1613 | SSE | 162 | 0.00 | 22.76 | - | - | 70 10 |
| Stanly (Ranch 45) | 6/17/26 | 73.8 2.4 | 1420 | 56.6 3.6 | 0541 | 55.0 1.5 | 88 3 | 54 4 | 8.3 | 24.7 5.5 | 1644 | SSW | 196 | 0.00 | 22.51 | 0.187 0.027 | 628 85 | 90 10 |
| Carneros Upper (Ranch 81) | 6/17/26 | 77.3 2.8 | 1705 | 55.9 3.5 | 0453 | 54.9 5.2 | - | - | 9.3 | 23.5 2.3 | 1912 | WSW | 246 | - | - | - | - | 100 0 |
| Carneros (Mitsuko) | 6/17/26 | 75.3 4.0 | 1821 | 57.3 3.8 | 0455 | - | - | - | - | - | - | - | - | - | - | - | 100 0 |
| Carneros Lower (Ranch 81) | 6/17/26 | 80.5 2.8 | 1736 | 57.1 3.2 | 0559 | 56.1 1.2 | 89 3 | 47 6 | 1.7 | 17.8 1.2 | 1638 | SSE | 163 | 0.00 | 19.55 | 0.161 0.023 | 520 82 | 100 0 |
| Carneros (Milton Rd) | 6/17/26 | 74.3 1.6 | 1414 | 57.6 3.9 | 0553 | 55.4 1.3 | 87 4 | 56 5 | - | - | - | - | 0.00 | 18.07 | - | - | 90 10 |
| Max | 81.6 | - | 60.6 | - | 60.2 | 100 | 60 | 9.7 | 24.7 | - | - | 0.00 | 34.60 | 0.330 | 1,360 | - | |
| Avg | - | - | - | - | 55.1 | - | - | 5.3 | - | - | - | - | - | - | - | - | |
| Min | 72.8 | - | 51.5 | - | 44.7 | 87 | 3 | 1.3 | 7.5 | - | - | 0.00 | 8.94 | 0.103 | 343 | - |