| 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 | 5/14/26 | 81.9 5.7 | 1628 | 45.4 3.9 | 0559 | - | - | - | - | - | - | - | 0.00 | 50.09 | - | - | 100 10 |
| Pope Valley (Weeks Lake) | 5/14/26 | 87.3 5.9 | 1608 | 42.2 1.0 | 0531 | 47.4 0.2 | 100 0 | 22 5 | 2.2 | 13.8 1.1 | 1341 | SW | 234 | 0.00 | 26.24 | 0.216 0.017 | 626 2 | 90 10 |
| Dollarhide Base | 5/14/26 | 87.6 4.3 | 1545 | 49.2 0.9 | 0600 | 51.7 0.5 | 98 3 | 29 2 | 4.0 | 19.7 5.8 | 1719 | SSW | 196 | 0.00 | 23.14 | 0.264 0.044 | 717 35 | 90 10 |
| Dollarhide 1AS Remote | 5/14/26 | 87.7 3.8 | 1511 | 43.2 3.0 | 0554 | 49.8 0.5 | 95 1 | 28 2 | 2.8 | 16.2 2.5 | 1748 | SSW | 212 | - | - | - | - | 90 10 |
| Dollarhide 18A Remote | 5/14/26 | 87.1 4.4 | 1559 | 40.3 3.8 | 0554 | 48.8 1.2 | 100 1 | 28 4 | - | - | - | - | - | - | - | - | 80 10 |
| Angwin | 5/14/26 | 77.4 4.9 | 1635 | 59.2 10.9 | 0059 | 42.4 2.2 | 58 36 | 26 1 | 4.0 | 15.4 2.5 | 1504 | SE | 140 | 0.00 | 45.11 | 0.066 0.031 | 0 0 | 90 20 |
| Lower Angwin (Pioneer) | 5/14/26 | 79.9 5.0 | 1648 | 46.0 2.2 | 0026 | - | - | - | 2.8 | 15.3 0.7 | 1410 | W | 279 | - | - | - | - | 100 10 |
| Deer Park | 5/14/26 | 85.5 5.0 | 1605 | 50.1 0.0 | 0637 | 48.0 0.3 | 89 4 | 22 7 | 3.2 | 13.2 5.5 | 1342 | SSW | 211 | 0.00 | 28.72 | 0.182 0.011 | 480 3 | 100 0 |
| Lower Chiles Valley (Brown) | 5/14/26 | 83.5 4.4 | 1519 | 41.1 5.6 | 0608 | 48.6 0.3 | 100 4 | 28 2 | 2.6 | 19.1 4.2 | 1419 | W | 272 | 0.00 | 25.89 | 0.216 0.015 | 687 2 | 100 0 |
| Moss Creek Vineyard/Reservior | 5/14/26 | 88.0 7.0 | 1440 | 46.6 1.6 | 0557 | 49.6 1.2 | 100 6 | 19 8 | - | - | - | - | 0.00 | 27.05 | - | - | 20 10 |
| Max | 88.0 | - | 59.2 | - | 51.7 | 100 | 29 | 4.0 | 19.7 | - | - | 0.00 | 50.09 | 0.264 | 717 | - | |
| Avg | - | - | - | - | 48.3 | - | - | 3.1 | - | - | - | - | - | - | - | - | |
| Min | 77.4 | - | 40.3 | - | 42.4 | 58 | 19 | 2.2 | 13.2 | - | - | 0.00 | 23.14 | 0.066 | 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 | 5/14/26 | 88.5 4.0 | 1530 | 46.4 0.1 | 0635 | 50.1 0.3 | 98 1 | 23 7 | - | - | - | - | 0.00 | 32.79 | - | - | 60 10 |
| Diamond Mtn (Schramsberg) | 5/14/26 | 84.6 4.3 | 1545 | 51.3 2.0 | 0613 | 47.2 1.7 | 83 10 | 21 8 | - | - | - | - | 0.00 | 31.20 | - | - | 100 0 |
| Diamond Mtn (McEachran) | 5/14/26 | 84.0 5.0 | 1602 | 50.4 0.3 | 0602 | 47.4 1.2 | 91 1 | 20 10 | - | - | - | - | - | - | - | - | 100 0 |
| St. Helena-North | 5/14/26 | 88.0 3.2 | 1610 | 47.3 0.4 | 0554 | 46.4 0.5 | 89 11 | 14 8 | 1.8 | 13.2 0.0 | 1423 | NNE | 14 | 0.00 | 31.03 | 0.190 0.006 | 567 1 | 90 10 |
| St. Helena (NVV Office) | 5/14/26 | 89.7 5.0 | 1501 | 48.7 0.3 | 0550 | - | - | - | 1.2 | 8.2 2.2 | 1707 | SW | 223 | 0.00 | 28.47 | - | - | 90 10 |
| Tiara Fria (East St. Helena) | 5/14/26 | 87.7 4.9 | 1520 | 48.3 1.1 | 0553 | 50.3 1.4 | 93 3 | 19 7 | 2.0 | 10.6 6.9 | 1634 | SW | 232 | 0.00 | 26.44 | - | - | 90 10 |
| Rutherford Hill Estate | 5/14/26 | 86.6 4.1 | 1550 | 49.7 1.0 | 0652 | 52.0 1.9 | 100 0 | 34 6 | 1.6 | 12.3 0.2 | 1749 | SSE | 156 | 0.00 | 25.00 | 0.187 0.003 | 591 1 | 100 0 |
| Rutherford-North (Mee Ln) | 5/14/26 | 87.8 5.1 | 1559 | 42.8 1.6 | 0554 | 50.8 2.4 | 96 4 | 23 5 | 2.6 | 16.9 2.4 | 1531 | SE | 142 | 0.00 | 24.52 | 0.203 0.008 | 603 2 | 100 0 |
| Rutherford (STS) | 5/14/26 | 88.6 6.1 | 1549 | 45.1 1.4 | 0547 | 53.1 2.8 | 91 0 | 27 6 | 2.1 | 14.0 0.6 | 1605 | ESE | 114 | 0.00 | 25.82 | 0.221 0.008 | 697 1 | 90 10 |
| Oakville-NE (Ranch 88) | 5/14/26 | 85.1 3.2 | 1508 | 44.0 0.7 | 0559 | 49.6 2.0 | 96 4 | 35 8 | 2.1 | 13.8 0.4 | 1633 | SSW | 194 | 0.00 | 24.92 | 0.212 0.005 | 652 1 | 60 60 |
| OV561-East | 5/14/26 | 83.7 1.7 | 1524 | 46.6 2.4 | 0531 | - | - | - | - | - | - | - | - | - | - | - | 90 20 |
| Oakville | 5/14/26 | 83.2 2.9 | 1525 | 44.5 0.9 | 0619 | 51.0 2.3 | 97 0 | 39 10 | 2.9 | 15.8 1.5 | 1602 | SE | 127 | 0.00 | 25.51 | 0.221 0.007 | 691 2 | 60 20 |
| OV518-West | 5/14/26 | 83.3 4.0 | 1504 | 46.2 1.3 | 0614 | - | - | - | - | - | - | - | - | - | - | - | 70 20 |
| To Kalon Remote (TKKE) | 5/14/26 | 88.3 5.4 | 1600 | 44.8 1.4 | 0608 | - | - | - | - | - | - | - | - | - | - | - | 90 10 |
| To Kalon | 5/14/26 | 86.5 4.9 | 1526 | 45.1 1.6 | 0542 | 51.8 2.3 | 98 2 | 20 11 | 2.8 | 14.2 1.6 | 1845 | SE | 136 | 0.00 | 27.70 | 0.208 0.012 | 632 1 | 90 20 |
| To Kalon Remote (TKN5) | 5/14/26 | 87.6 4.0 | 1520 | 45.5 1.8 | 0607 | - | - | - | - | - | - | - | - | - | - | - | 90 10 |
| Yountville (Ranch 67) | 5/14/26 | 80.6 2.3 | 1442 | 44.6 1.3 | 0535 | 49.9 2.2 | 95 0 | 41 8 | 2.9 | 17.8 4.0 | 1649 | E | 93 | 0.00 | 23.62 | 0.220 0.006 | 722 2 | 40 20 |
| Stags Leap Dist (Silverado Vineyards) | 5/14/26 | 81.7 3.7 | 1504 | 44.0 1.3 | 0607 | 50.0 2.0 | 96 0 | 41 6 | 2.5 | 14.8 0.1 | 1706 | ESE | 122 | 0.00 | 27.62 | 0.214 0.005 | 672 0 | 20 20 |
| Borreo (Soda Canyon) | 5/14/26 | 78.3 1.9 | 1527 | 44.4 1.8 | 0535 | 49.8 2.1 | 99 0 | 43 6 | 1.8 | 10.0 2.3 | 1548 | SSE | 156 | 0.00 | 27.52 | 0.210 0.005 | 708 1 | 40 20 |
| Wappo Hill Floor | 5/14/26 | 82.2 2.6 | 1431 | 42.2 0.5 | 0606 | 50.7 1.7 | 100 0 | 42 7 | 2.7 | 15.3 1.7 | 1548 | SE | 145 | 0.00 | 26.75 | 0.212 0.007 | 668 2 | 80 20 |
| Stags Leap Dist (Chimney Rock) | 5/14/26 | 80.8 2.2 | 1508 | 43.2 0.9 | 0617 | 52.2 1.4 | 100 0 | 49 7 | 2.8 | 15.7 1.2 | 1546 | SE | 126 | 0.00 | 26.14 | 0.191 0.005 | 608 2 | 40 20 |
| Yountville-South (Ranch 87) | 5/14/26 | 83.4 3.3 | 1501 | 45.9 1.6 | 0549 | 51.9 1.8 | 100 0 | 41 6 | 2.2 | 14.0 0.7 | 1605 | ESE | 110 | 0.00 | 27.39 | 0.214 0.010 | 690 6 | 100 0 |
| Yountville-SE (Ranch 85) | 5/14/26 | 80.7 1.5 | 1457 | 46.0 1.0 | 0613 | 51.7 1.8 | 98 2 | 44 8 | 2.8 | 15.9 4.9 | 1546 | S | 170 | 0.00 | 25.69 | - | 0 0 | 40 20 |
| Oak Knoll-East (Ranch 53) | 5/14/26 | 81.8 1.7 | 1454 | 45.9 1.1 | 0613 | 50.7 1.8 | 95 0 | 29 3 | 2.2 | 15.9 3.4 | 1535 | SE | 140 | 0.00 | 24.30 | 0.217 0.008 | 704 1 | 80 20 |
| Napa-NW (Ranch 54) | 5/14/26 | 85.4 4.9 | 1630 | 46.6 1.2 | 0554 | 50.7 1.1 | 100 0 | 27 6 | 0.6 | 11.7 0.3 | 1530 | SW | 225 | 0.00 | 26.77 | - | 0 0 | 100 0 |
| Napa-North (Ranch 29) | 5/14/26 | 79.5 2.2 | 1622 | 46.2 0.9 | 0623 | 51.5 1.6 | 100 0 | 42 5 | 1.7 | 13.7 0.4 | 1623 | S | 172 | 0.00 | 25.18 | 0.133 0.000 | 399 2 | 60 20 |
| Max | 89.7 | - | 51.3 | - | 53.1 | 100 | 49 | 2.9 | 17.8 | - | - | 0.00 | 32.79 | 0.221 | 722 | - | |
| Avg | - | - | - | - | 50.4 | - | - | 2.2 | - | - | - | - | - | - | - | - | |
| Min | 78.3 | - | 42.2 | - | 46.4 | 83 | 14 | 0.6 | 8.2 | - | - | 0.00 | 23.62 | 0.133 | 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 | 5/14/26 | 81.1 7.7 | 1535 | 57.0 7.6 | 0329 | 47.5 0.6 | 71 20 | 24 14 | 1.4 | 10.3 2.2 | 1311 | ESE | 122 | 0.00 | 34.19 | 0.342 0.017 | 1,324 35 | 30 20 |
| Mount George (Napa East) | 5/14/26 | 79.5 4.2 | 1245 | 48.7 3.4 | 0603 | 53.2 4.0 | 99 2 | 44 6 | 1.4 | 11.2 0.2 | 1457 | WSW | 242 | 0.00 | 17.04 | 0.200 0.009 | 670 3 | 60 20 |
| Napa-East (Palmaz 300') | 5/14/26 | 80.1 3.2 | 1428 | 47.4 0.7 | 0532 | 51.4 1.3 | 100 0 | 40 4 | 2.1 | 10.7 2.2 | 1546 | WSW | 246 | 0.00 | 23.29 | 0.174 0.004 | 555 0 | 40 20 |
| Napa-East (Palmaz 1200') | 5/14/26 | 74.7 3.8 | 1504 | 45.2 0.7 | 0608 | 48.5 1.8 | 100 0 | 46 33 | 2.4 | 11.9 4.5 | 1523 | NW | 315 | - | - | 0.190 0.006 | 680 0 | 0 0 |
| Napa-East (Palmaz 1400') | 5/14/26 | 75.6 4.0 | 1427 | 46.5 2.1 | 0506 | 50.5 0.8 | 100 0 | 50 3 | 2.5 | 12.0 2.0 | 1710 | WSW | 240 | 0.00 | 30.80 | 0.193 0.008 | 673 4 | 20 20 |
| Wooden Valley | 5/14/26 | 79.3 4.9 | 1508 | 49.2 2.1 | 0641 | 49.6 0.6 | 93 4 | 37 3 | 3.6 | 17.4 1.2 | 1618 | SW | 216 | 0.00 | 29.11 | 0.220 0.018 | 700 2 | 100 20 |
| Napa-West Upper (Truchard) | 5/14/26 | 79.2 2.9 | 1532 | 49.3 2.0 | 0606 | 38.1 3.8 | 100 0 | 0 0 | 3.6 | 17.5 0.1 | 1349 | S | 175 | 0.00 | 24.41 | 0.215 0.006 | 684 2 | 60 20 |
| Napa-West Lower (Truchard) | 5/14/26 | 80.3 1.9 | 1538 | 41.5 0.1 | 0552 | 49.7 1.3 | 100 0 | 39 3 | - | - | - | - | - | - | - | - | 100 10 |
| Napa-South (Toyon Farms) | 5/14/26 | 77.0 1.8 | 1609 | 49.3 1.7 | 0601 | 54.0 1.5 | 100 0 | 55 8 | 3.0 | 14.8 0.5 | 1409 | SSE | 166 | 0.00 | 18.34 | 0.106 0.000 | 329 3 | 50 20 |
| Toyon Remote 1 | 5/14/26 | 78.7 1.0 | 1520 | 39.1 0.6 | 0530 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 2 | 5/14/26 | 76.5 0.6 | 1525 | 43.3 0.7 | 0514 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 3 | 5/14/26 | 78.8 1.1 | 1553 | 44.0 0.3 | 0603 | - | - | - | - | - | - | - | - | - | - | - | - |
| Dealy Lane (Ranch 80) | 5/14/26 | 79.4 3.8 | 1651 | 46.9 2.0 | 0512 | 50.5 1.2 | 96 1 | 33 5 | 2.2 | 15.0 0.9 | 1321 | SSE | 151 | 0.00 | 23.58 | 0.205 0.005 | 685 2 | 50 20 |
| Carneros (Saintsbury) | 5/14/26 | 76.4 1.1 | 1555 | 44.7 0.8 | 0539 | 50.8 1.3 | 100 0 | 46 9 | 3.9 | 15.7 2.5 | 1648 | S | 169 | 0.00 | 8.68 | - | - | 50 20 |
| Suscol Lower (Ranch 35) | 5/14/26 | 77.0 0.8 | 1357 | 47.3 1.3 | 0507 | 50.5 0.8 | - | - | 4.5 | 14.1 2.0 | 1439 | SSW | 197 | 0.00 | 22.84 | 0.193 0.002 | 624 2 | 50 20 |
| Suscol Mtn (Ranch 93) | 5/14/26 | 80.1 2.7 | 1517 | 50.4 2.2 | 0546 | 51.0 1.2 | 93 7 | 43 3 | 3.6 | 14.2 5.6 | 1701 | WNW | 298 | 0.00 | 18.60 | - | - | 50 20 |
| Suscol Upper (Ranch 92) | 5/14/26 | 76.4 3.0 | 1421 | 50.4 1.3 | 0449 | 50.6 12.3 | 93 7 | 42 39 | 1.9 | 12.6 5.5 | 1605 | SW | 217 | 0.00 | 22.35 | - | - | 20 20 |
| Stanly (Ranch 45) | 5/14/26 | 77.7 0.6 | 1423 | 42.3 5.2 | 0604 | 50.2 0.7 | 97 3 | 42 8 | 4.4 | 16.4 2.3 | 1706 | SSW | 208 | 0.00 | 22.49 | 0.227 0.004 | 746 4 | 50 20 |
| Carneros Upper (Ranch 81) | 5/14/26 | 77.8 5.1 | 1651 | 51.1 1.7 | 0502 | 50.0 3.6 | - | - | 5.2 | 16.3 7.9 | 1634 | SW | 233 | - | - | - | - | 20 20 |
| Carneros (Mitsuko) | 5/14/26 | 76.9 1.3 | 1545 | 40.6 3.2 | 0523 | - | - | - | - | - | - | - | - | - | - | - | 50 20 |
| Carneros Lower (Ranch 81) | 5/14/26 | 81.3 3.8 | 1738 | 44.8 3.9 | 0607 | 50.4 0.7 | 100 0 | 0 0 | 1.7 | 13.0 1.8 | 1443 | SSW | 198 | 0.00 | 19.42 | 0.182 0.006 | 604 5 | 40 20 |
| Carneros (Milton Rd) | 5/14/26 | 75.3 0.7 | 1610 | 42.2 4.1 | 0444 | 49.8 0.1 | 95 1 | 47 10 | - | - | - | - | 0.00 | 18.07 | - | - | 50 20 |
| Max | 81.3 | - | 57.0 | - | 54.0 | 100 | 55 | 5.2 | 17.5 | - | - | 0.00 | 34.19 | 0.342 | 1,324 | - | |
| Avg | - | - | - | - | 49.8 | - | - | 3.0 | - | - | - | - | - | - | - | - | |
| Min | 74.7 | - | 39.1 | - | 38.1 | 71 | 0 | 1.4 | 10.3 | - | - | 0.00 | 8.68 | 0.106 | 329 | - |