| 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 | 5/16/26 | 76.4 6.0 | 1608 | 46.0 1.0 | 2342 | - | - | - | - | - | - | - | 0.00 | 50.09 | - | - | 100 0 |
| Pope Valley (Weeks Lake) | 5/16/26 | 81.4 5.9 | 1614 | 48.9 6.2 | 0618 | 36.6 4.4 | 65 35 | 17 5 | 3.8 | 16.2 2.0 | 1357 | NNW | 337 | 0.00 | 26.24 | 0.225 0.007 | 626 12 | 100 20 |
| Dollarhide Base | 5/16/26 | 82.9 6.2 | 1603 | 55.2 6.6 | 0614 | 41.4 6.0 | 56 40 | 23 4 | 6.8 | 21.3 3.4 | 1115 | WNW | 301 | 0.00 | 23.14 | 0.275 0.001 | 713 15 | 100 20 |
| Dollarhide 1AS Remote | 5/16/26 | 83.5 5.4 | 1629 | 47.3 4.4 | 0605 | 43.0 3.6 | 86 8 | 21 4 | 3.2 | 14.8 1.8 | 1647 | WSW | 243 | - | - | - | - | 100 20 |
| Dollarhide 18A Remote | 5/16/26 | 85.4 3.3 | 1619 | 46.6 6.6 | 0628 | 42.2 3.0 | 85 15 | 21 4 | - | - | - | - | - | - | - | - | 90 20 |
| Angwin | 5/16/26 | 73.2 5.4 | 1521 | 51.7 5.5 | 0542 | 34.1 1.0 | 59 10 | 18 6 | 5.4 | 24.7 2.0 | 0241 | NW | 314 | 0.00 | 45.11 | 0.074 0.016 | 0 0 | 90 10 |
| Lower Angwin (Pioneer) | 5/16/26 | 75.0 5.0 | 1530 | 45.6 3.1 | 0103 | - | - | - | 3.3 | 18.8 4.1 | 0133 | NW | 311 | - | - | - | - | 90 10 |
| Deer Park | 5/16/26 | 79.6 6.2 | 1556 | 51.0 2.9 | 0647 | 39.4 3.3 | 64 1 | 25 3 | 7.1 | 20.7 2.6 | 1828 | NW | 323 | 0.00 | 28.72 | 0.210 0.003 | 481 8 | 100 0 |
| Lower Chiles Valley (Brown) | 5/16/26 | 81.4 3.0 | 1620 | 46.3 5.2 | 0155 | 40.0 4.3 | 89 11 | 18 4 | 4.2 | 17.3 1.1 | 1743 | WNW | 292 | 0.00 | 25.89 | 0.228 0.003 | 682 12 | 100 0 |
| Moss Creek Vineyard/Reservior | 5/16/26 | 83.5 4.4 | 1638 | 46.3 0.4 | 0623 | 41.8 2.1 | 88 6 | 17 7 | - | - | - | - | 0.00 | 27.05 | - | - | 30 20 |
| Max | 85.4 | - | 55.2 | - | 43.0 | 89 | 25 | 7.1 | 24.7 | - | - | 0.00 | 50.09 | 0.275 | 713 | - | |
| Avg | - | - | - | - | 39.8 | - | - | 4.8 | - | - | - | - | - | - | - | - | |
| Min | 73.2 | - | 45.6 | - | 34.1 | 56 | 17 | 3.2 | 14.8 | - | - | 0.00 | 23.14 | 0.074 | 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 | 5/16/26 | 83.7 5.7 | 1532 | 48.4 1.1 | 0626 | 43.1 1.6 | 76 14 | 27 3 | - | - | - | - | 0.00 | 32.79 | - | - | 70 20 |
| Diamond Mtn (Schramsberg) | 5/16/26 | 80.1 5.3 | 1532 | 49.3 0.1 | 0544 | 40.9 3.3 | 71 4 | 26 3 | - | - | - | - | 0.00 | 31.20 | - | - | 100 0 |
| Diamond Mtn (McEachran) | 5/16/26 | 78.9 5.4 | 1546 | 52.1 1.5 | 0640 | 39.3 4.0 | 65 15 | 25 3 | - | - | - | - | - | - | - | - | 100 0 |
| St. Helena-North | 5/16/26 | 84.9 4.8 | 1515 | 52.0 3.8 | 0616 | 37.8 4.0 | 57 20 | 18 0 | 2.5 | 14.7 1.1 | 1040 | NW | 307 | 0.00 | 31.03 | 0.194 0.005 | 565 12 | 100 20 |
| St. Helena (NVV Office) | 5/16/26 | 85.0 4.7 | 1554 | 53.6 5.2 | 0555 | - | - | - | 2.4 | 11.3 2.3 | 1659 | NNW | 348 | 0.00 | 28.47 | - | - | 100 20 |
| Tiara Fria (East St. Helena) | 5/16/26 | 82.0 5.8 | 1605 | 55.3 7.1 | 0555 | 39.1 6.1 | 53 38 | 22 1 | 7.5 | 20.1 0.5 | 0023 | NNW | 328 | 0.00 | 26.44 | - | - | 100 20 |
| Rutherford Hill Estate | 5/16/26 | 86.1 2.6 | 1612 | 52.6 3.2 | 0651 | 41.5 5.6 | 62 28 | 22 2 | 3.1 | 15.8 1.5 | 0525 | NNW | 330 | 0.00 | 25.00 | 0.205 0.000 | 588 11 | 100 10 |
| Rutherford-North (Mee Ln) | 5/16/26 | 83.5 4.8 | 1545 | 54.1 11.8 | 0342 | 40.6 5.3 | 59 37 | 22 0 | 6.0 | 19.5 3.7 | 1659 | WNW | 287 | 0.00 | 24.52 | 0.237 0.016 | 607 7 | 100 10 |
| Rutherford (STS) | 5/16/26 | 83.7 5.2 | 1502 | 49.7 5.0 | 0444 | 44.4 5.1 | 73 18 | 25 2 | 4.8 | 16.6 3.8 | 1801 | NW | 318 | 0.00 | 25.82 | 0.244 0.010 | 704 8 | 100 20 |
| Oakville-NE (Ranch 88) | 5/16/26 | 83.8 4.5 | 1625 | 49.1 5.7 | 0409 | 39.2 6.2 | 73 22 | 18 2 | 4.2 | 17.1 4.9 | 1652 | NNW | 342 | 0.00 | 24.92 | 0.236 0.015 | 656 6 | 100 20 |
| OV561-East | 5/16/26 | 84.4 5.4 | 1556 | 51.0 5.6 | 0538 | - | - | - | - | - | - | - | - | - | - | - | 100 20 |
| Oakville | 5/16/26 | 82.1 4.8 | 1543 | 49.7 4.8 | 0600 | 40.5 6.9 | 68 29 | 18 4 | 4.4 | 17.8 2.6 | 1459 | NW | 304 | 0.00 | 25.51 | 0.238 0.010 | 693 6 | 70 20 |
| OV518-West | 5/16/26 | 81.7 6.0 | 1633 | 51.2 5.4 | 0534 | - | - | - | - | - | - | - | - | - | - | - | 100 10 |
| To Kalon Remote (TKKE) | 5/16/26 | 84.1 4.6 | 1602 | 49.8 5.9 | 0351 | - | - | - | - | - | - | - | - | - | - | - | 100 20 |
| To Kalon | 5/16/26 | 83.2 3.4 | 1506 | 50.3 5.8 | 0549 | 41.4 6.8 | 72 25 | 20 5 | 3.8 | 14.8 3.0 | 1705 | NW | 315 | 0.00 | 27.70 | 0.226 0.014 | 633 6 | 100 20 |
| To Kalon Remote (TKN5) | 5/16/26 | 84.5 3.9 | 1544 | 51.5 6.7 | 0606 | - | - | - | - | - | - | - | - | - | - | - | 100 20 |
| Yountville (Ranch 67) | 5/16/26 | 82.9 1.2 | 1617 | 47.2 3.1 | 0550 | 38.7 8.2 | 72 24 | 18 10 | 4.4 | 16.7 1.9 | 1714 | W | 262 | 0.00 | 23.62 | 0.244 0.015 | 709 16 | 80 20 |
| Stags Leap Dist (Silverado Vineyards) | 5/16/26 | 83.8 1.0 | 1553 | 47.8 3.8 | 0550 | 40.2 7.0 | 74 22 | 18 8 | 1.7 | 9.8 4.8 | 1110 | N | 352 | 0.00 | 27.62 | 0.208 0.016 | 682 0 | 60 20 |
| Borreo (Soda Canyon) | 5/16/26 | 81.4 0.4 | 1547 | 43.0 0.9 | 0508 | 39.8 6.6 | 86 12 | 19 9 | 2.6 | 16.0 3.9 | 1422 | NNW | 339 | 0.00 | 27.52 | 0.226 0.007 | 711 5 | 80 20 |
| Wappo Hill Floor | 5/16/26 | 84.3 1.5 | 1530 | 54.1 11.2 | 0622 | 40.2 7.8 | 59 41 | 19 9 | 6.6 | 17.1 0.0 | 0031 | NNW | 332 | 0.00 | 26.75 | 0.258 0.029 | 676 3 | 90 20 |
| Stags Leap Dist (Chimney Rock) | 5/16/26 | 83.4 1.0 | 1612 | 46.0 2.5 | 0440 | 44.6 5.4 | 84 15 | 26 7 | 4.4 | 17.3 2.4 | 1509 | NW | 321 | 0.00 | 26.14 | 0.221 0.017 | 614 3 | 80 20 |
| Yountville-South (Ranch 87) | 5/16/26 | 83.9 3.1 | 1623 | 46.1 0.7 | 0545 | 41.8 7.7 | 87 13 | 20 4 | 2.9 | 15.6 1.7 | 1647 | WNW | 282 | 0.00 | 27.39 | 0.229 0.007 | 703 4 | 80 10 |
| Yountville-SE (Ranch 85) | 5/16/26 | 83.2 1.8 | 1626 | 48.9 3.2 | 0433 | 41.7 7.3 | 81 16 | 19 9 | 4.6 | 15.3 1.2 | 1634 | NNW | 339 | 0.00 | 25.69 | - | 0 0 | 80 20 |
| Oak Knoll-East (Ranch 53) | 5/16/26 | 84.1 1.3 | 1541 | 46.5 0.6 | 0542 | 40.5 7.6 | 86 8 | 18 6 | 3.0 | 15.6 1.5 | 1615 | WSW | 252 | 0.00 | 24.30 | 0.233 0.006 | 707 4 | 60 10 |
| Napa-NW (Ranch 54) | 5/16/26 | 83.7 4.3 | 1537 | 46.5 0.4 | 0543 | 42.2 6.6 | 88 5 | 19 3 | 1.7 | 13.8 3.4 | 1730 | W | 266 | 0.00 | 26.77 | - | 0 0 | 100 10 |
| Napa-North (Ranch 29) | 5/16/26 | 83.6 0.3 | 1518 | 46.5 0.2 | 0612 | 42.1 7.3 | 89 11 | 19 9 | 2.1 | 13.2 0.1 | 1601 | SW | 214 | 0.00 | 25.18 | 0.148 0.005 | 403 0 | 100 20 |
| Max | 86.1 | - | 55.3 | - | 44.6 | 89 | 27 | 7.5 | 20.1 | - | - | 0.00 | 32.79 | 0.258 | 711 | - | |
| Avg | - | - | - | - | 40.9 | - | - | 3.8 | - | - | - | - | - | - | - | - | |
| Min | 78.9 | - | 43.0 | - | 37.8 | 53 | 18 | 1.7 | 9.8 | - | - | 0.00 | 23.62 | 0.148 | 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 | 5/16/26 | 76.2 5.2 | 1544 | 53.1 0.1 | 0617 | 37.8 2.4 | 63 2 | 25 4 | 2.1 | 14.6 0.1 | 0414 | NNE | 13 | 0.00 | 34.19 | 0.189 0.115 | 610 440 | 40 10 |
| Mount George (Napa East) | 5/16/26 | 81.2 0.4 | 1456 | 48.8 1.1 | 0620 | 47.0 4.2 | 94 4 | 20 7 | 1.8 | 17.6 6.9 | 1507 | ESE | 119 | 0.00 | 17.04 | 0.207 0.004 | 676 4 | 100 20 |
| Napa-East (Palmaz 300') | 5/16/26 | 83.4 0.4 | 1441 | 47.7 0.4 | 0616 | 43.8 5.0 | 84 16 | 19 8 | 2.4 | 16.7 5.6 | 1508 | ESE | 118 | 0.00 | 23.29 | 0.182 0.000 | 556 4 | 80 20 |
| Napa-East (Palmaz 1200') | 5/16/26 | 76.6 1.2 | 1442 | 43.0 1.7 | 0554 | 42.2 3.8 | 87 13 | 24 21 | 2.5 | 15.6 1.3 | 1640 | WSW | 254 | - | - | 0.197 0.004 | 680 14 | 60 60 |
| Napa-East (Palmaz 1400') | 5/16/26 | 77.7 1.1 | 1434 | 48.0 0.5 | 0538 | 41.3 5.1 | 79 10 | 24 7 | 3.2 | 14.8 0.3 | 1608 | WSW | 248 | 0.00 | 30.80 | 0.203 0.010 | 671 7 | 60 20 |
| Wooden Valley | 5/16/26 | 79.4 0.0 | 1520 | 46.4 6.6 | 0610 | 41.4 4.4 | 79 2 | 19 4 | 3.6 | 17.1 0.1 | 1630 | SSW | 209 | 0.00 | 29.11 | 0.218 0.017 | 692 14 | 100 0 |
| Napa-West Upper (Truchard) | 5/16/26 | 80.3 1.3 | 1434 | 49.9 0.2 | 0630 | 43.2 6.5 | 75 25 | 24 4 | 3.6 | 18.9 2.3 | 1459 | SW | 219 | 0.00 | 24.41 | 0.228 0.000 | 683 7 | 100 20 |
| Napa-West Lower (Truchard) | 5/16/26 | 83.6 0.7 | 1454 | 41.0 0.8 | 0535 | 44.1 3.5 | 100 0 | 21 4 | - | - | - | - | - | - | - | - | 100 0 |
| Napa-South (Toyon Farms) | 5/16/26 | 81.3 0.0 | 1427 | 48.9 0.5 | 0557 | 47.5 4.6 | 86 14 | 30 5 | 2.9 | 17.8 2.8 | 1622 | SW | 221 | 0.00 | 18.34 | 0.124 0.004 | 334 1 | 90 20 |
| Toyon Remote 1 | 5/16/26 | 84.6 0.3 | 1401 | 39.3 0.3 | 0601 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 2 | 5/16/26 | 81.0 0.9 | 1414 | 42.9 0.5 | 0532 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 3 | 5/16/26 | 85.1 0.3 | 1442 | 43.9 0.0 | 0604 | - | - | - | - | - | - | - | - | - | - | - | - |
| Dealy Lane (Ranch 80) | 5/16/26 | 80.8 1.3 | 1412 | 47.0 0.6 | 0626 | 43.1 4.7 | 86 10 | 22 5 | 2.8 | 16.7 2.0 | 1616 | W | 277 | 0.00 | 23.58 | 0.216 0.002 | 694 2 | 90 20 |
| Carneros (Saintsbury) | 5/16/26 | 79.4 2.2 | 1423 | 46.6 1.3 | 0541 | 43.8 4.6 | 86 14 | 24 3 | 5.2 | 21.7 4.4 | 1536 | W | 264 | 0.00 | 8.68 | - | - | 90 20 |
| Suscol Lower (Ranch 35) | 5/16/26 | 79.3 2.5 | 1413 | 42.0 4.2 | 0613 | 43.2 5.2 | - | - | 4.1 | 20.2 5.5 | 1454 | SSW | 211 | 0.00 | 22.84 | 0.211 0.005 | 620 7 | 90 20 |
| Suscol Mtn (Ranch 93) | 5/16/26 | 79.4 2.2 | 1440 | 52.4 1.4 | 0631 | 40.9 6.9 | 66 25 | 28 4 | 8.7 | 22.2 3.1 | 0157 | NNE | 17 | 0.00 | 18.60 | - | - | 90 20 |
| Suscol Upper (Ranch 92) | 5/16/26 | 76.4 2.7 | 1514 | 51.7 1.2 | 0033 | 41.0 6.3 | 71 20 | 27 5 | 4.0 | 19.2 1.9 | 1347 | SSW | 212 | 0.00 | 22.35 | - | - | 60 20 |
| Stanly (Ranch 45) | 5/16/26 | 79.8 3.8 | 1405 | 44.9 1.2 | 0627 | 43.2 4.5 | 90 6 | 23 2 | 4.5 | 20.0 2.4 | 1448 | WSW | 254 | 0.00 | 22.49 | 0.253 0.009 | 744 7 | 90 20 |
| Carneros Upper (Ranch 81) | 5/16/26 | 76.8 2.1 | 1415 | 51.7 0.3 | 0019 | 40.4 5.7 | - | - | 10.5 | 27.9 2.9 | 1603 | W | 261 | - | - | - | - | 60 20 |
| Carneros (Mitsuko) | 5/16/26 | 79.2 2.1 | 1426 | 42.2 1.1 | 0610 | - | - | - | - | - | - | - | - | - | - | - | 90 20 |
| Carneros Lower (Ranch 81) | 5/16/26 | 81.9 2.7 | 1424 | 48.7 4.0 | 0613 | 42.8 3.3 | 71 29 | 27 26 | 2.0 | 14.3 2.2 | 1223 | NNW | 336 | 0.00 | 19.42 | 0.189 0.002 | 604 9 | 80 20 |
| Carneros (Milton Rd) | 5/16/26 | 78.7 3.8 | 1308 | 44.3 2.1 | 0502 | 43.3 4.4 | 87 9 | 26 4 | - | - | - | - | 0.00 | 18.07 | - | - | 90 20 |
| Max | 85.1 | - | 53.1 | - | 47.5 | 100 | 30 | 10.5 | 27.9 | - | - | 0.00 | 34.19 | 0.253 | 744 | - | |
| Avg | - | - | - | - | 42.8 | - | - | 4.0 | - | - | - | - | - | - | - | - | |
| Min | 76.2 | - | 39.3 | - | 37.8 | 63 | 19 | 1.8 | 14.3 | - | - | 0.00 | 8.68 | 0.124 | 334 | - |