| 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 | 5/22/26 | 83.3 0.1 | 1152 | 49.6 2.8 | 0057 | - | - | - | - | - | - | - | 0.00 | 50.09 | - | - | 100 0 |
| Pope Valley (Weeks Lake) | 5/22/26 | 88.1 3.0 | 1439 | 45.0 2.4 | 0604 | 48.0 4.5 | 100 0 | 22 9 | 2.2 0.3 | 13.2 0.4 | 1547 | SW | 236 | 0.00 | 26.24 | 0.215 0.011 | 620 9 | 60 10 |
| Dollarhide Base | 5/22/26 | 89.0 4.5 | 1213 | 51.7 1.0 | 0556 | 52.4 6.1 | 90 2 | 32 14 | 4.0 1.2 | 17.8 2.4 | 1633 | SW | 223 | 0.00 | 23.14 | 0.253 0.017 | 711 11 | 60 10 |
| Dollarhide 1AS Remote | 5/22/26 | 88.7 4.6 | 1503 | 45.8 1.6 | 0557 | 51.3 6.1 | 92 1 | 32 15 | 3.2 1.0 | 15.7 3.6 | 1614 | SW | 233 | - | - | - | - | 60 10 |
| Dollarhide 16A Remote | 5/22/26 | 87.7 5.7 | 1216 | 50.5 1.6 | 0607 | 51.7 6.0 | 92 1 | 34 16 | - | - | - | - | - | - | - | - | 60 10 |
| Dollarhide 18A Remote | 5/22/26 | 88.3 4.0 | 1147 | 43.1 2.1 | 0556 | 50.0 6.1 | 95 1 | 31 14 | - | - | - | - | - | - | - | - | 60 10 |
| Hardin Rd (Eakle) | 5/22/26 | 88.0 5.6 | 1423 | 48.3 2.3 | 0544 | - | - | - | - | - | - | - | - | - | - | - | 60 10 |
| Angwin | 5/22/26 | 77.7 4.8 | 1016 | 56.8 10.8 | 2152 | 43.9 8.3 | 72 32 | 21 8 | 2.9 0.1 | 13.0 0.5 | 1600 | S | 170 | 0.00 | 45.12 | 0.053 0.016 | 0 0 | 100 0 |
| Lower Angwin (Pioneer) | 5/22/26 | 79.5 5.5 | 1022 | 44.8 3.3 | 0559 | - | - | - | 2.6 0.6 | 13.8 0.4 | 1645 | WNW | 294 | - | - | - | - | 100 0 |
| Las Posadas (Cal Fire) | 5/22/26 | 80.4 7.3 | 1522 | 48.2 6.2 | 0556 | 50.0 8.7 | 96 24 | 40 25 | 9.3 3.4 | 26.3 5.3 | 1820 | WSW | 241 | 0.00 | 34.50 | 0.223 0.052 | 616 6 | - |
| Deer Park | 5/22/26 | 83.5 7.4 | 1517 | 51.0 2.2 | 0648 | 51.2 5.1 | 97 7 | 37 24 | 4.1 1.5 | 15.2 1.0 | 0041 | NW | 324 | 0.00 | 28.72 | 0.165 0.033 | 464 21 | 100 20 |
| Lower Chiles Valley (Brown) | 5/22/26 | 82.7 6.3 | 1520 | 49.7 8.5 | 0659 | 51.4 7.5 | 100 0 | 37 22 | 4.1 1.7 | 15.4 2.2 | 1602 | NW | 314 | 0.00 | 25.89 | 0.207 0.032 | 671 19 | 100 20 |
| Moss Creek Vineyard/Reservior | 5/21/26 | 92.9 1.2 | 1543 | 48.4 0.9 | 0528 | 44.8 1.3 | 89 2 | 15 1 | - | - | - | - | 0.00 | 27.05 | - | - | 40 10 |
| Max | 92.9 | - | 56.8 | - | 52.4 | 100 | 40 | 9.3 | 26.3 | - | - | 0.00 | 50.09 | 0.253 | 711 | - | |
| Avg | - | - | - | - | 49.5 | - | - | 4.1 | - | - | - | - | - | - | - | - | |
| Min | 77.7 | - | 43.1 | - | 43.9 | 72 | 15 | 2.2 | 13.0 | - | - | 0.00 | 23.14 | 0.053 | 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 | 5/22/26 | 95.6 | 1509 | 47.2 | 0550 | 51.0 | 96 | 16 | - | - | - | - | 0.00 | 32.79 | - | - | 60 |
| Diamond Mtn (Schramsberg) | 5/22/26 | 83.8 5.7 | 1552 | 49.4 6.4 | 0515 | 50.7 6.3 | 100 16 | 33 20 | - | - | - | - | 0.00 | 31.20 | - | - | 100 20 |
| Diamond Mtn (McEachran) | 5/22/26 | 83.4 7.3 | 1412 | 51.1 2.1 | 0608 | 51.1 7.3 | 97 14 | 38 25 | - | - | - | - | - | - | - | - | 90 20 |
| St. Helena-North | 5/22/26 | 87.9 5.4 | 1530 | 52.8 3.6 | 0557 | 49.8 6.8 | 87 3 | 29 20 | 3.0 | 11.6 4.8 | 1707 | N | 349 | 0.00 | 31.03 | 0.184 0.020 | 554 26 | 60 10 |
| St. Helena (NVV Office) | 5/22/26 | 85.8 10.3 | 1542 | 52.7 2.3 | 0650 | - | - | - | 1.9 | 9.8 1.0 | 0000 | NNW | 330 | 0.00 | 28.47 | - | - | 90 20 |
| Tiara Fria (East St. Helena) | 5/22/26 | 82.0 10.5 | 1539 | 51.8 2.2 | 0629 | 51.3 4.3 | 89 2 | 33 20 | 3.6 | 14.2 0.9 | 0036 | NW | 308 | 0.00 | 26.44 | - | - | 90 20 |
| Rutherford Hill Estate | 5/22/26 | 81.7 12.7 | 1550 | 49.9 1.9 | 0554 | 51.7 1.9 | 92 8 | 41 27 | 2.0 | 12.7 0.7 | 1725 | SSW | 203 | 0.00 | 25.00 | 0.176 0.028 | 578 18 | 90 20 |
| Rutherford-North (Mee Ln) | 5/22/26 | 80.9 11.9 | 1525 | 49.1 4.0 | 0554 | 51.2 3.4 | 92 1 | 43 28 | 4.1 | 16.7 1.8 | 1729 | ESE | 121 | 0.00 | 24.52 | 0.186 0.036 | 569 42 | 90 20 |
| Rutherford (STS) | 5/22/26 | 82.6 11.1 | 1523 | 49.4 3.2 | 0541 | 53.1 2.4 | 92 0 | 47 30 | 2.7 | 15.3 1.0 | 1737 | SE | 135 | 0.00 | 25.82 | 0.200 0.045 | 656 56 | 90 20 |
| Oakville-NE (Ranch 88) | 5/22/26 | 80.9 11.9 | 1512 | 50.3 4.8 | 0536 | 50.0 3.4 | 88 1 | 40 29 | 2.8 | 16.2 3.3 | 1600 | SE | 139 | 0.00 | 24.92 | 0.180 0.028 | 556 22 | 100 0 |
| OV561-East | 5/22/26 | 81.5 12.2 | 1512 | 50.9 3.4 | 0525 | - | - | - | - | - | - | - | - | - | - | - | 80 20 |
| Oakville | 5/22/26 | 78.7 12.6 | 1456 | 49.8 3.6 | 0524 | 50.6 2.2 | 92 3 | 45 33 | 4.0 | 18.2 4.2 | 1625 | SE | 138 | 0.00 | 25.51 | 0.200 0.044 | 658 34 | 90 20 |
| OV518-West | 5/22/26 | 78.3 11.9 | 1513 | 49.7 2.0 | 0518 | - | - | - | - | - | - | - | - | - | - | - | 90 20 |
| To Kalon Remote (TKKE) | 5/22/26 | 81.7 11.8 | 1531 | 49.8 4.0 | 0530 | - | - | - | - | - | - | - | - | - | - | - | 90 20 |
| To Kalon | 5/22/26 | 79.0 12.8 | 1452 | 48.9 2.5 | 0533 | 51.3 2.4 | 96 1 | 44 30 | 3.7 | 16.3 1.2 | 1629 | SE | 144 | 0.00 | 27.70 | 0.187 0.040 | 590 45 | 90 20 |
| To Kalon Remote (TKN5) | 5/22/26 | 82.4 11.1 | 1452 | 50.4 4.1 | 0524 | - | - | - | - | - | - | - | - | - | - | - | 90 20 |
| Yountville (Ranch 67) | 5/22/26 | 76.8 14.3 | 1518 | 49.7 3.7 | 0459 | 50.0 1.3 | 91 1 | 45 34 | 4.1 | 16.8 4.0 | 1457 | SSE | 158 | 0.00 | 23.62 | 0.196 0.042 | 686 37 | 90 20 |
| Stags Leap Dist (Silverado Vineyards) | 5/22/26 | 76.6 15.6 | 1509 | 49.6 3.9 | 0622 | 50.3 0.8 | 91 5 | 46 34 | 3.9 | 18.6 4.2 | 1706 | SE | 142 | 0.00 | 27.62 | 0.190 0.040 | 625 55 | 70 10 |
| Borreo (Soda Canyon) | 5/22/26 | 74.9 12.1 | 1540 | 47.6 1.0 | 0030 | 49.9 0.7 | 95 0 | 46 21 | 2.0 | 11.2 0.5 | 1506 | SE | 146 | 0.00 | 27.52 | 0.189 0.039 | 667 45 | 70 10 |
| Wappo Hill Floor | 5/22/26 | 78.0 14.5 | 1513 | 50.1 5.3 | 0634 | 51.1 0.2 | 93 7 | 47 32 | 3.6 | 14.4 1.1 | 1529 | ESE | 119 | 0.00 | 26.75 | 0.193 0.040 | 643 48 | 90 20 |
| Stags Leap Dist (Chimney Rock) | 5/22/26 | 77.2 12.0 | 1504 | 50.9 6.0 | 0438 | 52.8 0.3 | 94 6 | 53 19 | 3.8 | 14.3 0.8 | 1818 | SE | 142 | 0.00 | 26.14 | 0.172 0.039 | 573 41 | 60 10 |
| Yountville-South (Ranch 87) | 5/22/26 | 78.7 12.9 | 1441 | 50.2 2.5 | 0437 | 51.8 0.4 | 93 3 | 46 33 | 2.4 | 14.0 1.3 | 1312 | E | 101 | 0.00 | 27.39 | 0.191 0.040 | 650 47 | 80 20 |
| Yountville-SE (Ranch 85) | 5/22/26 | 76.7 14.6 | 1430 | 50.4 3.3 | 0628 | 51.7 0.6 | 93 4 | 49 26 | 3.7 | 14.8 1.7 | 1431 | SSE | 158 | 0.00 | 25.69 | - | 0 0 | 60 10 |
| Oak Knoll-East (Ranch 53) | 5/22/26 | 77.0 12.5 | 1529 | 49.9 2.0 | 0506 | 50.7 0.4 | 91 2 | 46 20 | 2.7 | 15.0 1.5 | 1818 | SE | 134 | 0.00 | 24.30 | 0.190 0.040 | 654 56 | 90 20 |
| Napa-NW (Ranch 54) | 5/22/26 | 80.3 12.9 | 1819 | 49.0 0.1 | 0539 | 50.9 0.5 | 91 6 | 41 28 | 0.9 | 7.8 3.1 | 1541 | S | 173 | 0.00 | 26.77 | - | 0 0 | 90 20 |
| Napa-North (Ranch 29) | 5/22/26 | 74.3 12.8 | 1446 | 50.9 1.9 | 0559 | 51.5 0.8 | 100 0 | 52 19 | 2.4 | 13.2 0.9 | 1622 | SW | 215 | 0.00 | 25.18 | 0.131 0.022 | 425 14 | 60 10 |
| Max | 95.6 | - | 52.8 | - | 53.1 | 100 | 53 | 4.1 | 18.6 | - | - | 0.00 | 32.79 | 0.200 | 686 | - | |
| Avg | - | - | - | - | 51.1 | - | - | 3.0 | - | - | - | - | - | - | - | - | |
| Min | 74.3 | - | 47.2 | - | 49.8 | 87 | 16 | 0.9 | 7.8 | - | - | 0.00 | 23.62 | 0.131 | 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 | 5/22/26 | 80.8 4.1 | 1522 | 48.9 13.9 | 0057 | 48.2 10.6 | 89 35 | 35 18 | 1.3 | 9.7 2.5 | 1327 | SE | 129 | 0.00 | 34.19 | 0.172 0.043 | 584 84 | 90 10 |
| Mount George (Napa East) | 5/22/26 | 74.7 12.1 | 1515 | 50.9 2.1 | 0555 | 50.7 0.9 | 92 4 | 50 27 | 2.2 | 10.9 2.6 | 1831 | SSE | 148 | 0.00 | 17.04 | 0.179 0.036 | 645 45 | 60 10 |
| Napa-East (Palmaz 300') | 5/21/26 | 90.5 0.3 | 1602 | 48.7 0.1 | 0548 | 51.0 3.7 | 100 8 | 22 4 | 1.8 | 9.2 0.9 | 1358 | WSW | 244 | 0.00 | 23.29 | 0.192 0.003 | 564 5 | 70 10 |
| Napa-East (Palmaz 1200') | 5/20/26 | 83.1 2.3 | 1549 | 49.6 2.8 | 0543 | 44.2 13.7 | 74 19 | 19 10 | 2.5 | 11.6 2.3 | 1413 | NNW | 333 | - | - | 0.212 0.024 | 676 30 | 100 10 |
| Napa-East (Palmaz 1400') | 5/22/26 | 72.1 12.0 | 1507 | 45.5 5.4 | 0609 | 50.0 3.5 | 100 13 | 53 35 | 3.2 | 14.5 1.8 | 1546 | SW | 224 | 0.00 | 30.80 | 0.183 0.037 | 676 8 | 90 10 |
| Wooden Valley | 5/22/26 | 76.0 10.6 | 1606 | 51.0 6.2 | 0555 | 48.9 3.3 | 86 8 | 45 28 | 4.8 | 16.1 2.1 | 0426 | SW | 221 | 0.00 | 29.11 | 0.210 0.032 | 701 5 | 100 0 |
| Napa-West Upper (Truchard) | 5/21/26 | 86.0 2.0 | 1453 | 51.6 2.2 | 0030 | 29.2 20.4 | 100 1 | 0 21 | 3.0 | 13.8 0.5 | 1554 | S | 175 | 0.00 | 24.41 | 0.230 0.007 | 692 17 | 70 10 |
| Napa-West Lower (Truchard) | 5/21/26 | 86.8 2.6 | 1441 | 43.9 0.2 | 0448 | 51.2 3.2 | 100 0 | 35 15 | - | - | - | - | - | - | - | - | 60 10 |
| Napa-South (Toyon Farms) | 5/22/26 | 72.0 12.0 | 1433 | 47.6 3.6 | 0410 | 52.4 3.0 | 99 1 | 57 15 | 3.4 | 16.7 4.2 | 1633 | SSE | 155 | 0.00 | 18.34 | 0.106 0.012 | 372 23 | 80 10 |
| Toyon Remote 1 | 5/22/26 | 73.9 12.2 | 1723 | 44.0 0.7 | 0256 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 2 | 5/22/26 | 72.7 11.4 | 1730 | 47.7 1.9 | 0306 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 3 | 5/22/26 | 75.7 10.9 | 1747 | 46.2 0.6 | 0316 | - | - | - | - | - | - | - | - | - | - | - | - |
| Dealy Lane (Ranch 80) | 5/22/26 | 74.4 11.5 | 1714 | 45.9 2.8 | 0424 | 49.8 1.3 | 95 1 | 47 11 | 3.2 | 14.1 2.9 | 1258 | SSE | 147 | 0.00 | 23.58 | 0.183 0.039 | 668 39 | 80 20 |
| Carneros (Saintsbury) | 5/22/26 | 72.7 10.6 | 1720 | 45.7 1.8 | 0401 | 50.2 1.7 | 100 0 | 49 12 | 5.7 | 18.3 4.7 | 1653 | SSE | 158 | 0.00 | 8.68 | - | - | 90 10 |
| Suscol Lower (Ranch 35) | 5/22/26 | 73.1 11.5 | 1511 | 49.4 2.8 | 0234 | 50.3 0.8 | - | - | 4.7 | 17.2 3.9 | 1802 | SSW | 197 | 0.00 | 22.84 | 0.165 0.047 | 572 58 | 90 10 |
| Suscol Mtn (Ranch 93) | 5/22/26 | 76.5 11.9 | 1528 | 47.2 3.5 | 0802 | 51.7 2.2 | 100 2 | 52 32 | 6.0 | 16.2 2.6 | 0040 | NNW | 339 | 0.00 | 18.60 | - | - | 60 10 |
| Suscol Upper (Ranch 92) | 5/22/26 | 71.9 13.6 | 1515 | 47.4 3.7 | 0749 | 45.0 0.9 | 100 0 | 3 0 | 3.4 | 15.6 3.6 | 1759 | S | 182 | 0.00 | 22.35 | - | - | 90 10 |
| Stanly (Ranch 45) | 5/22/26 | 73.6 12.8 | 1430 | 47.8 1.2 | 0246 | 50.4 2.3 | 92 3 | 52 18 | 6.1 | 19.4 6.2 | 1744 | SSW | 196 | 0.00 | 22.49 | 0.194 0.044 | 688 54 | 80 10 |
| Carneros Upper (Ranch 81) | 5/22/26 | 73.8 11.6 | 1549 | 46.8 4.0 | 0358 | 35.6 15.2 | - | - | 7.4 | 23.2 4.3 | 1853 | W | 268 | - | - | - | - | 90 10 |
| Carneros (Mitsuko) | 5/22/26 | 72.3 11.4 | 1709 | 44.9 0.6 | 0259 | - | - | - | - | - | - | - | - | - | - | - | 90 10 |
| Carneros Lower (Ranch 81) | 5/22/26 | 75.0 8.6 | 1658 | 46.6 1.2 | 0342 | 50.8 0.4 | 94 6 | 48 48 | 1.7 | 13.4 2.7 | 1432 | S | 175 | 0.00 | 19.42 | 0.154 0.035 | 554 47 | 90 10 |
| Carneros (Milton Rd) | 5/22/26 | 71.5 10.0 | 1517 | 44.8 1.1 | 0300 | 50.5 1.1 | 94 1 | 57 22 | - | - | - | - | 0.00 | 18.07 | - | - | 90 10 |
| Max | 90.5 | - | 51.6 | - | 52.4 | 100 | 57 | 7.4 | 23.2 | - | - | 0.00 | 34.19 | 0.230 | 701 | - | |
| Avg | - | - | - | - | 48.0 | - | - | 3.9 | - | - | - | - | - | - | - | - | |
| Min | 71.5 | - | 43.9 | - | 29.2 | 86 | 0 | 1.3 | 9.2 | - | - | 0.00 | 8.68 | 0.106 | 372 | - |