| 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 | 6/20/26 | 76.4 7.2 | 1531 | 41.8 3.4 | 0535 | - | - | - | - | - | - | - | 0.00 | 50.54 | - | - | 70 20 |
| Pope Valley (Weeks Lake) | 6/20/26 | 82.5 6.0 | 1504 | 41.7 5.2 | 0543 | 48.5 2.1 | 100 0 | 32 10 | 1.8 0.2 | 12.5 0.2 | 1439 | WSW | 248 | 0.00 | 26.64 | 0.206 0.015 | 642 9 | 70 20 |
| Dollarhide Base | 6/20/26 | 86.2 8.3 | 1544 | 49.0 5.8 | 0556 | 53.6 0.6 | 97 5 | 34 15 | 3.5 2.4 | 16.2 2.9 | 1710 | SSW | 212 | 0.00 | 23.55 | 0.248 0.029 | 745 21 | 60 20 |
| Dollarhide 1AS Remote | 6/20/26 | 86.5 8.5 | 1509 | 45.2 7.6 | 0607 | 52.0 1.6 | 94 5 | 30 17 | 3.1 2.0 | 17.8 0.3 | 1642 | WSW | 243 | - | - | - | - | 60 20 |
| Dollarhide 16A Remote | 6/20/26 | 85.4 8.4 | 1506 | 47.2 8.1 | 0525 | 53.4 0.8 | 98 9 | 38 10 | - | - | - | - | - | - | - | - | 60 20 |
| Dollarhide 18A Remote | 6/20/26 | 84.3 8.2 | 1440 | 43.2 10.7 | 0610 | 51.6 1.4 | 97 9 | 33 16 | - | - | - | - | - | - | - | - | 40 20 |
| Hardin Rd (Eakle) | 6/20/26 | 86.0 8.9 | 1455 | 47.3 9.0 | 0559 | - | - | - | - | - | - | - | - | - | - | - | 90 20 |
| Angwin | 6/20/26 | 73.2 7.1 | 1433 | 47.7 1.2 | 0604 | 48.0 2.2 | 100 0 | 27 31 | 2.2 0.2 | 11.0 0.6 | 1420 | SSE | 159 | 0.00 | 46.17 | 0.025 0.013 | 0 0 | 70 10 |
| Lower Angwin (Pioneer) | 6/20/26 | 75.8 8.3 | 1447 | 39.9 10.8 | 0557 | - | - | - | 2.1 2.0 | 12.5 3.9 | 1733 | W | 264 | - | - | - | - | 70 10 |
| Las Posadas (Cal Fire) | 6/20/26 | 77.9 8.3 | 1531 | 47.8 5.2 | 0521 | 50.6 0.8 | 95 0 | 43 14 | 8.2 2.4 | 23.9 4.5 | 1836 | SW | 229 | 0.00 | 35.41 | 0.220 0.061 | 653 100 | - |
| Deer Park | 6/20/26 | 81.5 7.7 | 1553 | 54.3 1.0 | 0058 | 50.6 1.4 | 86 8 | 37 12 | 4.2 1.2 | 15.2 2.6 | 1915 | NW | 318 | 0.00 | 29.37 | 0.184 0.055 | 508 153 | 70 20 |
| Lower Chiles Valley (Brown) | 6/20/26 | 80.9 6.1 | 1527 | 53.3 2.5 | 0059 | 50.6 0.7 | 83 3 | 36 7 | 4.1 0.9 | 17.8 0.8 | 1325 | W | 278 | 0.00 | 26.24 | 0.224 0.036 | 707 80 | 100 10 |
| Moss Creek Vineyard/Reservior | 6/20/26 | 83.1 5.5 | 1428 | 49.9 5.7 | 0634 | 50.3 1.1 | 94 5 | 33 7 | - | - | - | - | 0.00 | 27.15 | - | - | 60 20 |
| Max | 86.5 | - | 54.3 | - | 53.6 | 100 | 43 | 8.2 | 23.9 | - | - | 0.00 | 50.54 | 0.248 | 745 | - | |
| Avg | - | - | - | - | 50.9 | - | - | 3.7 | - | - | - | - | - | - | - | - | |
| Min | 73.2 | - | 39.9 | - | 48.0 | 83 | 27 | 1.8 | 11.0 | - | - | 0.00 | 23.55 | 0.025 | 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) | 6/20/26 | 79.8 6.7 | 1440 | 54.2 0.2 | 0101 | 50.6 2.0 | 83 17 | 39 11 | - | - | - | - | 0.00 | 31.46 | - | - | 70 20 |
| Diamond Mtn (McEachran) | 6/20/26 | 78.0 6.5 | 1441 | 54.6 0.9 | 0059 | 50.8 1.7 | 83 12 | 42 11 | - | - | - | - | - | - | - | - | 100 20 |
| St. Helena-North | 6/20/26 | 86.0 10.1 | 1352 | 54.7 3.2 | 0059 | 49.3 1.7 | 78 6 | 30 12 | 2.0 | 12.3 2.9 | 1628 | W | 274 | 0.00 | 31.48 | 0.197 0.049 | 596 136 | 50 20 |
| St. Helena (NVV Office) | 6/20/26 | 85.0 6.8 | 1417 | 56.4 2.1 | 0058 | - | - | - | 2.0 | 11.5 1.1 | 1550 | W | 269 | 0.00 | 29.13 | - | - | 90 20 |
| Tiara Fria (East St. Helena) | 6/20/26 | 82.9 6.3 | 1451 | 56.0 2.8 | 0101 | 51.6 1.0 | 85 2 | 37 7 | 3.0 | 12.8 3.2 | 1758 | W | 266 | 0.00 | 27.01 | - | - | 90 20 |
| Rutherford Hill Estate | 6/20/26 | 85.2 4.6 | 1622 | 52.8 5.1 | 0054 | 51.7 0.9 | 89 7 | 34 5 | 1.8 | 14.0 2.2 | 1503 | SW | 229 | 0.00 | 25.35 | 0.194 0.034 | 599 106 | 100 0 |
| Rutherford-North (Mee Ln) | 6/20/26 | 83.5 5.9 | 1521 | 52.5 5.5 | 0101 | 51.3 0.7 | 88 8 | 35 5 | 3.1 | 17.1 2.9 | 1514 | SSE | 166 | 0.00 | 24.87 | 0.213 0.043 | 637 115 | 100 0 |
| Rutherford (STS) | 6/20/26 | 84.8 6.4 | 1452 | 50.7 7.6 | 0046 | 54.3 0.0 | 93 10 | 40 5 | 2.3 | 12.8 4.4 | 1452 | ESE | 102 | 0.00 | 26.10 | 0.228 0.043 | 719 130 | 100 20 |
| Oakville-NE (Ranch 88) | 6/20/26 | 83.9 5.4 | 1535 | 52.9 3.9 | 0056 | 50.0 0.5 | 82 6 | 32 5 | 2.3 | 16.8 3.0 | 1326 | ESE | 116 | 0.00 | 25.32 | 0.213 0.046 | 658 144 | 100 0 |
| OV561-East | 6/20/26 | 84.1 5.8 | 1555 | 53.4 6.0 | 0059 | - | - | - | - | - | - | - | - | - | - | - | 100 10 |
| Oakville | 6/20/26 | 82.1 5.5 | 1538 | 53.4 5.2 | 0101 | 51.2 0.5 | 87 10 | 36 5 | 3.2 | 14.2 2.4 | 1523 | ESE | 105 | 0.00 | 26.11 | 0.226 0.036 | 701 101 | 100 10 |
| OV518-West | 6/20/26 | 79.9 5.2 | 1538 | 53.8 6.0 | 0059 | - | - | - | - | - | - | - | - | - | - | - | 100 10 |
| To Kalon Remote (TKKE) | 6/20/26 | 83.1 4.7 | 1459 | 52.5 7.3 | 0059 | - | - | - | - | - | - | - | - | - | - | - | 100 0 |
| To Kalon | 6/20/26 | 82.0 5.7 | 1458 | 51.8 7.5 | 0101 | 52.0 0.7 | 90 9 | 39 4 | 2.7 | 14.5 0.6 | 1640 | SW | 227 | 0.00 | 28.00 | 0.209 0.039 | 652 119 | 100 0 |
| To Kalon Remote (TKN5) | 6/20/26 | 83.8 6.2 | 1448 | 54.3 5.6 | 0101 | - | - | - | - | - | - | - | - | - | - | - | 100 0 |
| Yountville (Ranch 67) | 6/20/26 | 80.1 4.3 | 1645 | 54.2 4.1 | 0051 | 49.9 0.5 | 86 11 | 36 5 | 3.5 | 16.6 0.2 | 1418 | ENE | 67 | 0.00 | 24.03 | 0.227 0.058 | 730 182 | 100 10 |
| Stags Leap Dist (Silverado Vineyards) | 6/20/26 | 81.2 3.1 | 1742 | 53.8 2.4 | 0059 | 50.7 0.7 | 88 8 | 35 4 | 2.4 | 17.8 8.6 | 1426 | S | 172 | 0.00 | 28.04 | 0.217 0.070 | 689 210 | 90 10 |
| Borreo (Soda Canyon) | 6/20/26 | 77.4 1.5 | 1549 | 47.9 8.9 | 0101 | 49.4 1.3 | 92 11 | 38 3 | 2.4 | 13.9 1.4 | 1339 | ESE | 116 | 0.00 | 27.74 | 0.218 0.060 | 716 193 | 90 10 |
| Wappo Hill Floor | 6/20/26 | 81.6 2.9 | 1709 | 54.0 1.5 | 0059 | 51.6 0.5 | 88 6 | 36 4 | 3.5 | 14.4 0.7 | 1430 | ESE | 122 | 0.00 | 27.12 | 0.226 0.049 | 703 157 | 100 0 |
| Stags Leap Dist (Chimney Rock) | 6/20/26 | 80.4 2.7 | 1505 | 53.2 1.9 | 0608 | 53.6 0.7 | 90 2 | 44 4 | 3.4 | 14.9 1.1 | 1440 | SE | 141 | 0.00 | 26.50 | 0.201 0.045 | 631 142 | 100 0 |
| Yountville-South (Ranch 87) | 6/20/26 | 82.2 4.3 | 1655 | 52.3 4.1 | 0059 | 52.1 0.8 | 90 5 | 37 6 | 2.3 | 15.3 1.9 | 1515 | S | 186 | 0.00 | 27.76 | 0.224 0.053 | 715 171 | 100 0 |
| Yountville-SE (Ranch 85) | 6/20/26 | 80.0 2.7 | 1700 | 54.5 2.7 | 0625 | 52.3 0.7 | 90 8 | 39 5 | 3.4 | 15.9 1.0 | 1332 | SE | 133 | 0.00 | 26.09 | - | 0 0 | 100 0 |
| Oak Knoll-East (Ranch 53) | 6/20/26 | 80.1 4.2 | 1550 | 54.0 4.8 | 0101 | 50.9 0.9 | 90 10 | 37 8 | 3.1 | 16.1 2.0 | 1411 | SE | 144 | 0.00 | 24.76 | 0.229 0.052 | 740 174 | 100 0 |
| Napa-NW (Ranch 54) | 6/20/26 | 81.9 4.4 | 1716 | 52.6 6.3 | 0101 | 51.1 1.1 | 90 8 | 34 8 | 1.8 | 15.1 2.0 | 1450 | SSW | 210 | 0.00 | 27.13 | - | 0 0 | 100 0 |
| Napa-North (Ranch 29) | 6/20/26 | 78.8 3.1 | 1604 | 54.2 4.4 | 0059 | 51.7 1.1 | 90 4 | 40 6 | 2.8 | 16.1 1.0 | 1328 | SSE | 164 | 0.00 | 25.63 | 0.156 0.019 | 444 29 | 100 10 |
| Max | 86.0 | - | 56.4 | - | 54.3 | 93 | 44 | 3.5 | 17.8 | - | - | 0.00 | 31.48 | 0.229 | 740 | - | |
| Avg | - | - | - | - | 51.3 | - | - | 2.7 | - | - | - | - | - | - | - | - | |
| Min | 77.4 | - | 47.9 | - | 49.3 | 78 | 30 | 1.8 | 11.5 | - | - | 0.00 | 24.03 | 0.156 | 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 | 6/20/26 | 76.3 6.3 | 1445 | 50.8 1.9 | 0552 | 49.6 1.3 | 88 6 | 44 8 | 1.6 | 10.6 0.0 | 1250 | S | 182 | 0.00 | 34.60 | 0.182 0.028 | 626 10 | 70 10 |
| Mount George (Napa East) | 6/20/26 | 83.1 5.3 | 1627 | 54.5 3.7 | 0059 | 54.0 0.9 | 95 10 | 42 8 | 2.4 | 12.7 1.4 | 1549 | SW | 235 | 0.00 | 17.28 | 0.218 0.052 | 720 177 | 100 0 |
| Napa-East (Palmaz 300') | 6/20/26 | 81.5 4.0 | 1544 | 52.3 4.4 | 0057 | 51.6 0.9 | 92 7 | 36 7 | 2.4 | 15.2 2.9 | 1601 | WSW | 258 | 0.00 | 23.52 | 0.191 0.029 | 587 80 | 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') | 6/20/26 | 73.3 4.3 | 1614 | 50.7 1.6 | 0054 | 50.7 1.4 | 94 6 | 47 10 | 4.0 | 18.2 1.5 | 1539 | SW | 233 | 0.00 | 31.03 | 0.203 0.058 | 712 175 | 50 10 |
| Wooden Valley | 6/20/26 | 76.8 3.7 | 1541 | 53.5 2.5 | 0627 | 49.4 1.3 | 84 1 | 41 7 | 4.5 | 18.0 2.2 | 1623 | SW | 222 | 0.00 | 29.46 | 0.218 0.032 | 708 69 | 100 20 |
| Napa-West Upper (Truchard) | 6/20/26 | 81.5 4.3 | 1457 | 50.3 7.0 | 0057 | 51.6 1.5 | 100 7 | 36 7 | 4.7 | 19.2 1.1 | 1457 | S | 184 | 0.00 | 24.70 | 0.238 0.068 | 719 221 | 100 0 |
| Napa-West Lower (Truchard) | 6/20/26 | 81.5 3.2 | 1430 | 45.7 12.6 | 0059 | 51.0 1.7 | 89 5 | 35 5 | - | - | - | - | - | - | - | - | 100 0 |
| Napa-South (Toyon Farms) | 6/20/26 | 78.9 4.2 | 1539 | 53.3 5.7 | 0053 | 54.0 0.9 | 96 9 | 45 9 | 4.6 | 18.2 1.2 | 1331 | S | 178 | 0.00 | 18.70 | 0.128 0.035 | 366 80 | 100 10 |
| Toyon Remote 1 | 6/20/26 | 83.7 6.2 | 1451 | 49.7 8.6 | 0039 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 2 | 6/20/26 | 80.1 5.1 | 1529 | 52.7 6.6 | 2356 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 3 | 6/20/26 | 82.5 4.3 | 1444 | 51.2 7.8 | 0100 | - | - | - | - | - | - | - | - | - | - | - | - |
| Dealy Lane (Ranch 80) | 6/20/26 | 78.3 3.7 | 1422 | 53.9 4.5 | 0059 | 51.0 1.3 | 91 8 | 39 7 | 3.2 | 18.3 1.8 | 1317 | SE | 144 | 0.00 | 23.81 | 0.217 0.063 | 708 207 | 100 10 |
| Carneros (Saintsbury) | 6/20/26 | 79.0 4.6 | 1527 | 52.7 5.5 | 0057 | 51.4 1.4 | 92 9 | 38 9 | 6.5 | 20.1 0.9 | 1316 | SSE | 168 | 0.00 | 8.94 | - | - | 90 20 |
| Suscol Lower (Ranch 35) | 6/20/26 | 78.1 4.9 | 1711 | 52.4 6.4 | 0058 | 50.7 1.5 | - | - | 6.0 | 18.6 4.4 | 1518 | SSW | 193 | 0.00 | 23.25 | 0.220 0.061 | 654 189 | 90 20 |
| Suscol Mtn (Ranch 93) | 6/20/26 | 78.1 5.1 | 1540 | 51.7 3.3 | 0051 | 51.0 0.9 | 98 8 | 42 12 | 9.2 | 21.6 2.7 | 1810 | NW | 325 | 0.00 | 19.27 | - | - | 80 20 |
| Suscol Upper (Ranch 92) | 6/20/26 | 74.4 5.1 | 1535 | 52.0 3.9 | 0050 | 44.5 7.6 | 100 12 | 3 52 | 5.6 | 19.0 3.3 | 1744 | SW | 232 | 0.00 | 22.76 | - | - | 40 10 |
| Stanly (Ranch 45) | 6/20/26 | 79.6 4.7 | 1556 | 51.6 7.6 | 0059 | 51.2 1.4 | 89 10 | 36 8 | 6.8 | 20.9 0.1 | 1417 | SSW | 198 | 0.00 | 22.51 | 0.252 0.066 | 776 220 | 100 10 |
| Carneros Upper (Ranch 81) | 6/20/26 | 76.6 3.7 | 1428 | 53.7 3.4 | 0054 | 50.8 1.6 | - | - | 8.9 | 23.8 1.8 | 1952 | WSW | 258 | - | - | - | - | 100 10 |
| Carneros (Mitsuko) | 6/20/26 | 79.3 4.6 | 1442 | 53.6 5.1 | 0053 | - | - | - | - | - | - | - | - | - | - | - | 100 10 |
| Carneros Lower (Ranch 81) | 6/20/26 | 83.4 4.3 | 1507 | 53.9 4.4 | 0059 | 52.5 1.4 | 92 5 | 35 6 | 1.3 | 20.2 5.8 | 1338 | S | 172 | 0.00 | 19.55 | 0.197 0.057 | 640 188 | 100 0 |
| Carneros (Milton Rd) | 6/20/26 | 80.4 5.4 | 1536 | 52.3 7.1 | 0101 | 51.1 1.5 | 90 10 | 36 9 | - | - | - | - | 0.00 | 18.07 | - | - | 100 10 |
| Max | 83.7 | - | 54.5 | - | 54.0 | 100 | 47 | 9.2 | 23.8 | - | - | 0.00 | 34.60 | 0.252 | 776 | - | |
| Avg | - | - | - | - | 50.9 | - | - | 4.8 | - | - | - | - | - | - | - | - | |
| Min | 73.3 | - | 45.7 | - | 44.5 | 84 | 3 | 1.3 | 10.6 | - | - | 0.00 | 8.94 | 0.128 | 366 | - |