| 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 | 6/2/26 | 83.2 0.4 | 1120 | 50.2 0.9 | 0432 | - | - | - | - | - | - | - | 0.00 | 50.54 | - | - | 80 20 |
| Pope Valley (Weeks Lake) | 6/2/26 | 89.8 1.2 | 1534 | 45.0 1.6 | 0529 | 52.0 3.9 | 100 0 | 24 8 | 1.9 0.3 | 13.6 0.7 | 1250 | SE | 131 | 0.00 | 26.64 | 0.221 0.006 | 628 21 | 40 10 |
| Dollarhide Base | 6/2/26 | 90.0 4.0 | 1517 | 52.2 2.6 | 0538 | 56.3 4.7 | 96 1 | 36 18 | 3.3 0.8 | 16.4 1.7 | 1643 | SW | 225 | 0.00 | 23.55 | 0.255 0.014 | 718 31 | 70 10 |
| Dollarhide 1AS Remote | 6/2/26 | 90.9 4.1 | 1444 | 46.0 1.6 | 0542 | 54.7 4.7 | 94 0 | 34 17 | 3.0 1.0 | 16.2 0.2 | 1410 | SW | 219 | - | - | - | - | 40 10 |
| Dollarhide 16A Remote | 6/2/26 | 89.8 4.3 | 1601 | 51.8 2.9 | 0605 | 56.2 4.8 | 95 4 | 36 17 | - | - | - | - | - | - | - | - | 40 10 |
| Dollarhide 18A Remote | 6/2/26 | 88.7 4.8 | 1507 | 43.9 2.1 | 0548 | 53.7 5.0 | 97 1 | 34 17 | - | - | - | - | - | - | - | - | 70 10 |
| Hardin Rd (Eakle) | 6/2/26 | 89.0 5.9 | 1430 | 48.9 2.1 | 0554 | - | - | - | - | - | - | - | - | - | - | - | 70 10 |
| Angwin | 6/2/26 | 79.0 4.0 | 1445 | 62.9 2.2 | 0533 | 46.5 3.0 | 59 3 | 28 11 | 3.1 0.4 | 13.2 2.4 | 1736 | SSE | 153 | 0.00 | 46.17 | 0.057 0.008 | 0 0 | 80 20 |
| Lower Angwin (Pioneer) | 6/2/26 | 80.9 4.9 | 1620 | 45.2 1.7 | 0523 | - | - | - | 2.1 0.0 | 12.6 0.8 | 1627 | WSW | 255 | - | - | - | - | 80 20 |
| Las Posadas (Cal Fire) | 6/2/26 | 82.0 5.8 | 1528 | 48.4 5.7 | 0544 | 53.5 5.8 | 98 17 | 43 22 | 9.1 3.3 | 21.3 3.1 | 2104 | W | 259 | 0.00 | 35.41 | 0.225 0.038 | 631 8 | - |
| Deer Park | 6/2/26 | 84.7 5.8 | 1442 | 51.6 3.4 | 0454 | 54.0 4.5 | 99 12 | 38 20 | 3.1 0.2 | 12.2 1.6 | 1713 | SSE | 161 | 0.00 | 29.37 | 0.163 0.037 | 460 44 | 80 20 |
| Lower Chiles Valley (Brown) | 6/2/26 | 84.9 4.6 | 1609 | 51.6 10.2 | 0609 | 53.7 6.8 | 100 0 | 37 19 | 4.1 1.9 | 14.5 0.7 | 1347 | NW | 306 | 0.00 | 26.24 | 0.215 0.030 | 682 29 | 80 20 |
| Moss Creek Vineyard/Reservior | 6/2/26 | 90.7 2.4 | 1233 | 49.8 2.1 | 0528 | 52.9 4.6 | 96 2 | 26 11 | - | - | - | - | 0.00 | 27.15 | - | - | 10 10 |
| Max | 90.9 | - | 62.9 | - | 56.3 | 100 | 43 | 9.1 | 21.3 | - | - | 0.00 | 50.54 | 0.255 | 718 | - | |
| Avg | - | - | - | - | 53.4 | - | - | 3.7 | - | - | - | - | - | - | - | - | |
| Min | 79.0 | - | 43.9 | - | 46.5 | 59 | 24 | 1.9 | 12.2 | - | - | 0.00 | 23.55 | 0.057 | 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) | 6/2/26 | 86.0 3.0 | 1619 | 50.3 7.1 | 0606 | 53.6 5.3 | 100 17 | 30 11 | - | - | - | - | 0.00 | 31.46 | - | - | 80 20 |
| Diamond Mtn (McEachran) | 6/2/26 | 85.6 3.7 | 1441 | 51.5 2.2 | 0615 | 53.2 4.2 | 97 10 | 31 13 | - | - | - | - | - | - | - | - | 70 20 |
| St. Helena-North | 6/2/26 | 87.8 6.0 | 1512 | 52.7 2.9 | 0501 | 52.9 5.4 | 88 0 | 33 20 | 3.1 | 12.5 1.8 | 1549 | ESE | 122 | 0.00 | 31.48 | 0.190 0.016 | 518 40 | 40 10 |
| St. Helena (NVV Office) | 6/2/26 | 85.3 9.5 | 1457 | 53.8 3.2 | 0449 | - | - | - | 1.7 | 9.3 4.2 | 1615 | ENE | 76 | 0.00 | 29.13 | - | - | 90 20 |
| Tiara Fria (East St. Helena) | 6/2/26 | 82.5 9.9 | 1439 | 51.6 1.7 | 0526 | 53.8 3.5 | 92 0 | 42 25 | 2.5 | 12.2 2.5 | 1648 | ESE | 115 | 0.00 | 27.01 | - | - | 60 20 |
| Rutherford Hill Estate | 6/2/26 | 83.1 9.8 | 1504 | 52.0 0.1 | 0424 | 53.4 2.1 | 96 3 | 41 22 | 1.5 | 14.2 0.2 | 1702 | SSE | 162 | 0.00 | 25.35 | 0.178 0.032 | 566 44 | 70 20 |
| Rutherford-North (Mee Ln) | 6/2/26 | 81.5 10.4 | 1426 | 47.0 2.3 | 0504 | 52.8 2.3 | 95 0 | 42 24 | 3.3 | 17.5 4.6 | 1703 | SE | 130 | 0.00 | 24.87 | 0.192 0.034 | 576 57 | 40 20 |
| Rutherford (STS) | 6/2/26 | 83.1 10.7 | 1424 | 47.6 2.3 | 0523 | 54.7 1.4 | 91 1 | 47 22 | 2.3 | 13.2 0.1 | 1531 | ESE | 102 | 0.00 | 26.10 | 0.209 0.042 | 670 63 | 100 20 |
| Oakville-NE (Ranch 88) | 6/2/26 | 81.9 11.0 | 1427 | 48.3 2.6 | 0448 | 51.6 1.4 | 93 2 | 40 20 | 2.5 | 17.6 4.7 | 1625 | S | 189 | 0.00 | 25.32 | 0.200 0.023 | 618 32 | 100 20 |
| OV561-East | 6/2/26 | 82.0 11.8 | 1633 | 48.8 1.1 | 0602 | - | - | - | - | - | - | - | - | - | - | - | 60 20 |
| Oakville | 6/2/26 | 78.7 11.3 | 1554 | 47.5 0.9 | 0602 | 52.3 0.7 | 96 0 | 45 23 | 3.7 | 18.3 2.5 | 1629 | SE | 132 | 0.00 | 26.11 | 0.211 0.035 | 688 26 | 40 20 |
| OV518-West | 6/2/26 | 79.1 10.9 | 1412 | 48.2 0.2 | 0631 | - | - | - | - | - | - | - | - | - | - | - | 70 20 |
| To Kalon Remote (TKKE) | 6/2/26 | 82.8 10.4 | 1449 | 47.2 1.2 | 0543 | - | - | - | - | - | - | - | - | - | - | - | 90 20 |
| To Kalon | 6/2/26 | 79.5 12.3 | 1444 | 47.7 0.9 | 0557 | 53.2 1.6 | 97 1 | 46 27 | 3.7 | 16.2 0.4 | 1736 | SE | 134 | 0.00 | 28.00 | 0.203 0.030 | 630 29 | 40 20 |
| To Kalon Remote (TKN5) | 6/2/26 | 82.7 10.6 | 1352 | 48.5 1.6 | 0446 | - | - | - | - | - | - | - | - | - | - | - | 90 20 |
| Yountville (Ranch 67) | 6/2/26 | 76.8 11.3 | 1355 | 46.8 0.4 | 0540 | 51.2 0.6 | 95 0 | 46 24 | 3.9 | 15.5 1.2 | 1550 | SSE | 154 | 0.00 | 24.03 | 0.208 0.038 | 714 22 | 70 20 |
| Stags Leap Dist (Silverado Vineyards) | 6/2/26 | 76.9 12.1 | 1424 | 46.8 0.1 | 0559 | 51.4 0.2 | 95 1 | 47 23 | 3.3 | 17.6 2.7 | 1520 | S | 178 | 0.00 | 28.04 | 0.208 0.026 | 690 10 | 30 10 |
| Borreo (Soda Canyon) | 6/2/26 | 76.6 10.4 | 1515 | 44.1 2.3 | 0552 | 50.3 0.5 | 98 0 | 46 21 | 2.0 | 11.0 1.5 | 1459 | S | 171 | 0.00 | 27.74 | 0.206 0.033 | 722 13 | 10 10 |
| Wappo Hill Floor | 6/2/26 | 78.4 11.9 | 1514 | 44.6 0.0 | 0602 | 52.4 0.2 | 100 0 | 48 23 | 3.2 | 13.8 0.4 | 1653 | E | 89 | 0.00 | 27.12 | 0.206 0.034 | 684 28 | 70 20 |
| Stags Leap Dist (Chimney Rock) | 6/2/26 | 77.4 12.2 | 1617 | 45.9 0.8 | 0547 | 53.4 0.4 | 99 0 | 52 22 | 3.0 | 13.7 0.3 | 1641 | SE | 125 | 0.00 | 26.50 | 0.180 0.036 | 602 29 | 20 20 |
| Yountville-South (Ranch 87) | 6/2/26 | 79.5 11.1 | 1610 | 47.6 0.1 | 0555 | 52.9 0.0 | 100 0 | 47 22 | 2.0 | 11.3 2.8 | 1535 | SSE | 158 | 0.00 | 27.76 | 0.205 0.033 | 693 24 | 100 20 |
| Yountville-SE (Ranch 85) | 6/2/26 | 77.4 12.4 | 1559 | 47.8 0.0 | 0606 | 52.9 0.2 | 96 0 | 49 23 | 3.2 | 14.0 2.1 | 1656 | SE | 141 | 0.00 | 26.09 | - | 0 0 | 40 20 |
| Oak Knoll-East (Ranch 53) | 6/2/26 | 76.8 12.6 | 1500 | 49.7 1.5 | 0534 | 51.8 0.3 | 92 1 | 48 25 | 3.0 | 14.0 1.5 | 1435 | SE | 138 | 0.00 | 24.76 | 0.207 0.036 | 708 22 | 70 20 |
| Napa-NW (Ranch 54) | 6/2/26 | 81.0 11.0 | 1558 | 47.6 0.1 | 0548 | 51.7 0.6 | 92 1 | 40 20 | 0.6 | 7.1 3.7 | 1514 | SE | 127 | 0.00 | 27.13 | - | 0 0 | 100 20 |
| Napa-North (Ranch 29) | 6/2/26 | 75.4 10.8 | 1602 | 50.2 1.2 | 0608 | 52.7 0.5 | 100 0 | 52 22 | 1.7 | 12.4 0.6 | 1004 | SW | 227 | 0.00 | 25.63 | 0.132 0.027 | 420 12 | 50 20 |
| Max | 87.8 | - | 53.8 | - | 54.7 | 100 | 52 | 3.9 | 18.3 | - | - | 0.00 | 31.48 | 0.211 | 722 | - | |
| Avg | - | - | - | - | 52.6 | - | - | 2.6 | - | - | - | - | - | - | - | - | |
| Min | 75.4 | - | 44.1 | - | 50.3 | 88 | 30 | 0.6 | 7.1 | - | - | 0.00 | 24.03 | 0.132 | 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 | 6/2/26 | 82.1 0.5 | 1542 | 52.7 9.2 | 0600 | 52.4 6.7 | 85 28 | 40 15 | 1.3 | 8.4 3.1 | 1320 | S | 169 | 0.00 | 34.60 | 0.232 0.012 | 893 86 | 70 20 |
| Mount George (Napa East) | 6/2/26 | 74.8 15.0 | 1541 | 46.1 3.3 | 0527 | 51.1 2.2 | 96 4 | 50 23 | 1.6 | 10.6 0.7 | 1526 | W | 263 | 0.00 | 17.28 | 0.192 0.034 | 685 20 | 0 10 |
| Napa-East (Palmaz 300') | 6/2/26 | 80.8 10.9 | 1540 | 47.7 1.1 | 0517 | 51.8 0.1 | 100 0 | 42 20 | 2.1 | 11.0 0.9 | 1418 | SW | 236 | 0.00 | 23.52 | 0.178 0.021 | 564 13 | 20 20 |
| Napa-East (Palmaz 1200') | 5/29/26 | 65.2 1.9 | 1609 | 48.2 1.2 | 2345 | 45.6 0.6 | 100 0 | 29 23 | 2.1 | 13.0 3.9 | 1512 | NW | 320 | - | - | 0.146 0.006 | 558 22 | 20 10 |
| Napa-East (Palmaz 1400') | 6/2/26 | 73.5 9.9 | 1454 | 47.2 2.6 | 0412 | 51.2 1.4 | 95 4 | 55 30 | 3.2 | 12.6 1.9 | 1700 | SW | 218 | 0.00 | 31.03 | 0.191 0.039 | 688 14 | 40 10 |
| Wooden Valley | 6/2/26 | 77.8 8.7 | 1532 | 54.0 8.7 | 0540 | 50.4 1.7 | 75 23 | 44 21 | 4.8 | 15.5 0.4 | 1357 | SW | 219 | 0.00 | 29.46 | 0.215 0.026 | 683 22 | 50 20 |
| Napa-West Upper (Truchard) | 6/2/26 | 75.9 11.0 | 1614 | 47.2 4.7 | 0523 | 36.2 3.1 | 100 0 | 0 0 | 3.7 | 16.0 0.5 | 1338 | SSE | 162 | 0.00 | 24.70 | 0.200 0.046 | 685 23 | 50 20 |
| Napa-West Lower (Truchard) | 6/2/26 | 76.8 11.8 | 1603 | 41.2 2.9 | 0603 | 50.5 0.5 | 100 0 | 43 17 | - | - | - | - | - | - | - | - | 30 20 |
| Napa-South (Toyon Farms) | 6/2/26 | 73.7 12.8 | 1602 | 47.7 3.8 | 0544 | 53.4 2.0 | 100 0 | 57 23 | 3.8 | 15.2 1.8 | 1627 | SSE | 166 | 0.00 | 18.70 | 0.103 0.035 | 349 6 | 60 20 |
| Toyon Remote 1 | 6/2/26 | 76.0 12.0 | 1205 | 40.4 3.8 | 0535 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 2 | 6/2/26 | 73.3 12.3 | 1526 | 44.4 1.6 | 0605 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 3 | 6/2/26 | 75.1 13.1 | 1603 | 42.9 3.5 | 0600 | - | - | - | - | - | - | - | - | - | - | - | - |
| Dealy Lane (Ranch 80) | 6/2/26 | 75.6 11.6 | 1622 | 46.8 3.7 | 0516 | 51.0 0.1 | 95 1 | 41 16 | 2.5 | 14.1 0.7 | 1240 | ESE | 118 | 0.00 | 23.81 | 0.196 0.033 | 692 17 | 60 20 |
| Carneros (Saintsbury) | 6/2/26 | 72.7 12.0 | 1518 | 47.7 0.1 | 0415 | 51.6 0.6 | 100 0 | 48 20 | 5.5 | 16.5 1.1 | 1425 | SSE | 166 | 0.00 | 8.94 | - | - | 40 10 |
| Suscol Lower (Ranch 35) | 6/2/26 | 73.6 11.7 | 1455 | 47.1 2.7 | 0354 | 51.3 0.5 | - | - | 4.2 | 15.0 0.6 | 1655 | SSW | 195 | 0.00 | 23.25 | 0.175 0.047 | 588 57 | 40 10 |
| Suscol Mtn (Ranch 93) | 6/2/26 | 77.9 12.0 | 1523 | 48.4 4.5 | 0628 | 52.7 0.4 | 100 4 | 51 27 | 4.2 | 15.9 1.4 | 1246 | NW | 320 | 0.00 | 19.27 | - | - | 50 20 |
| Suscol Upper (Ranch 92) | 6/2/26 | 73.7 12.4 | 1527 | 48.5 3.8 | 0446 | 42.8 8.0 | 100 0 | 3 0 | 0.1 | 11.0 2.9 | 1654 | S | 189 | 0.00 | 22.76 | - | - | 40 10 |
| Stanly (Ranch 45) | 6/2/26 | 72.7 11.2 | 1522 | 47.0 0.7 | 0447 | 51.1 1.9 | 94 2 | 53 24 | 5.1 | 15.8 0.8 | 1628 | SSW | 201 | 0.00 | 22.51 | 0.201 0.055 | 716 56 | 60 10 |
| Carneros Upper (Ranch 81) | 6/2/26 | 74.6 11.9 | 1533 | 49.3 4.3 | 0426 | 51.0 0.8 | - | - | 8.2 | 20.6 0.7 | 1915 | W | 270 | - | - | - | - | 10 10 |
| Carneros (Mitsuko) | 6/2/26 | 74.1 11.1 | 1557 | 47.3 3.3 | 0349 | - | - | - | - | - | - | - | - | - | - | - | 40 10 |
| Carneros Lower (Ranch 81) | 6/2/26 | 76.6 12.6 | 1746 | 49.3 1.8 | 0453 | 52.2 2.4 | 94 6 | 42 42 | 1.5 | 13.8 2.4 | 1247 | S | 175 | 0.00 | 19.55 | 0.177 0.025 | 625 14 | 70 20 |
| Carneros (Milton Rd) | 6/2/26 | 73.5 10.6 | 1515 | 48.4 2.2 | 0240 | 51.4 0.6 | 93 0 | 52 21 | - | - | - | - | 0.00 | 18.07 | - | - | 40 10 |
| Max | 82.1 | - | 54.0 | - | 53.4 | 100 | 57 | 8.2 | 20.6 | - | - | 0.00 | 34.60 | 0.232 | 893 | - | |
| Avg | - | - | - | - | 50.1 | - | - | 3.4 | - | - | - | - | - | - | - | - | |
| Min | 72.7 | - | 40.4 | - | 36.2 | 75 | 0 | 0.1 | 8.4 | - | - | 0.00 | 8.94 | 0.103 | 349 | - |