| 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 | 6/30/26 | 82.1 1.9 | 1445 | 53.0 4.8 | 0640 | - | - | - | - | - | - | - | 0.00 | 50.54 | - | - | 100 0 |
| Pope Valley (Weeks Lake) | 6/30/26 | 88.0 3.0 | 1544 | 46.3 2.3 | 0612 | 49.6 5.1 | 98 3 | 20 7 | 2.3 0.1 | 13.6 2.9 | 1335 | SW | 216 | 0.00 | 26.64 | 0.221 0.003 | 630 57 | 60 10 |
| Dollarhide Base | 6/30/26 | 89.7 2.6 | 1504 | 52.8 1.6 | 0507 | 54.7 5.1 | 93 6 | 30 11 | 3.3 0.0 | 15.3 2.6 | 1445 | SW | 233 | 0.00 | 23.55 | 0.258 0.002 | 744 60 | 0 0 |
| Dollarhide 1AS Remote | 6/30/26 | 90.8 1.3 | 1440 | 47.5 3.0 | 0535 | 52.8 5.2 | 90 0 | 29 10 | 3.1 0.7 | 17.5 0.9 | 1738 | SSW | 210 | - | - | - | - | 0 0 |
| Dollarhide 16A Remote | 6/30/26 | 86.9 6.4 | 1440 | 52.8 2.5 | 0601 | 55.0 5.1 | 94 2 | 34 15 | - | - | - | - | - | - | - | - | 20 10 |
| Dollarhide 18A Remote | 6/30/26 | 87.0 4.3 | 1442 | 45.6 3.0 | 0550 | 52.3 4.7 | 95 2 | 30 10 | - | - | - | - | - | - | - | - | 30 10 |
| Hardin Rd (Eakle) | 6/30/26 | 88.9 1.9 | 1406 | 50.4 2.5 | 0537 | - | - | - | - | - | - | - | - | - | - | - | 20 10 |
| Angwin | 6/30/26 | 78.4 1.5 | 1435 | 63.2 5.0 | 0059 | 46.4 4.6 | 56 0 | 27 7 | 3.1 0.3 | 15.4 1.5 | 1405 | SSE | 164 | 0.00 | 46.17 | 0.055 0.012 | 0 0 | 100 0 |
| Lower Angwin (Pioneer) | 6/30/26 | 79.1 3.1 | 1514 | 46.3 1.3 | 0526 | - | - | - | 1.9 0.2 | 11.3 1.0 | 1455 | SW | 216 | - | - | - | - | 100 0 |
| Las Posadas (Cal Fire) | 6/30/26 | 81.4 3.0 | 1536 | 49.2 1.6 | 0522 | 52.6 5.4 | 98 14 | 40 18 | 8.7 1.7 | 19.7 2.6 | 1540 | SSW | 198 | 0.00 | 35.41 | 0.222 0.028 | 647 56 | - |
| Deer Park | 6/30/26 | 82.3 6.0 | 1445 | 54.0 1.9 | 0527 | 53.5 4.8 | 95 12 | 38 15 | 4.7 1.2 | 14.2 0.9 | 1434 | SSE | 156 | 0.00 | 29.37 | 0.174 0.010 | 478 36 | 100 0 |
| Lower Chiles Valley (Brown) | 6/30/26 | 84.0 4.7 | 1538 | 52.9 9.6 | 0458 | 52.9 7.1 | 100 5 | 30 16 | 3.8 0.4 | 14.7 3.9 | 1528 | NW | 305 | 0.00 | 26.24 | 0.223 0.015 | 688 26 | 100 10 |
| Moss Creek Vineyard/Reservior | 6/30/26 | 88.0 1.6 | 1429 | 51.7 2.7 | 0618 | 51.1 5.9 | 92 8 | 21 6 | - | - | - | - | 0.00 | 27.15 | - | - | 50 10 |
| Max | 90.8 | - | 63.2 | - | 55.0 | 100 | 40 | 8.7 | 19.7 | - | - | 0.00 | 50.54 | 0.258 | 744 | - | |
| Avg | - | - | - | - | 52.1 | - | - | 3.9 | - | - | - | - | - | - | - | - | |
| Min | 78.4 | - | 45.6 | - | 46.4 | 56 | 20 | 1.9 | 11.3 | - | - | 0.00 | 23.55 | 0.055 | 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 | 6/30/26 | 89.9 1.2 | 1425 | 54.3 5.7 | 0403 | 55.7 4.2 | 96 5 | 31 4 | - | - | - | - | 0.00 | 32.79 | - | - | 90 10 |
| Diamond Mtn (Schramsberg) | 6/30/26 | 83.3 5.1 | 1636 | 52.6 0.8 | 0624 | 53.6 5.4 | 100 24 | 32 8 | - | - | - | - | 0.00 | 31.46 | - | - | 100 0 |
| Diamond Mtn (McEachran) | 6/30/26 | 83.7 3.4 | 1553 | 54.2 1.3 | 0417 | 53.9 5.6 | 94 16 | 34 11 | - | - | - | - | - | - | - | - | 100 0 |
| St. Helena-North | 6/30/26 | 83.3 7.2 | 1602 | 55.2 4.7 | 0356 | 52.4 5.3 | 87 9 | 34 14 | 5.1 | 18.2 5.7 | 1415 | ESE | 116 | 0.00 | 31.48 | 0.212 0.029 | 585 80 | 40 20 |
| St. Helena (NVV Office) | 6/30/26 | 83.8 8.8 | 1503 | 57.1 5.1 | 0648 | - | - | - | 2.2 | 12.5 0.3 | 1643 | E | 88 | 0.00 | 29.13 | - | - | 100 20 |
| Tiara Fria (East St. Helena) | 6/30/26 | 79.8 8.2 | 1425 | 55.7 6.1 | 0541 | 54.2 3.5 | 90 3 | 42 19 | 3.0 | 14.9 0.2 | 1650 | SSE | 160 | 0.00 | 27.01 | - | - | 100 20 |
| Prisoner Winery | 6/30/26 | 83.2 7.7 | 1605 | 51.6 3.7 | 0442 | 53.8 3.8 | 97 4 | 38 15 | 1.9 | 10.9 1.5 | 1631 | ENE | 76 | 0.00 | 24.50 | 0.211 0.001 | 654 31 | 100 20 |
| Rutherford Hill Estate | 6/30/26 | 80.9 9.6 | 1521 | 53.5 1.0 | 0516 | 53.6 2.7 | 93 8 | 40 15 | 1.8 | 18.0 1.8 | 1635 | SW | 224 | 0.00 | 25.35 | 0.176 0.006 | 558 32 | 100 20 |
| Rutherford-North (Mee Ln) | 6/30/26 | 79.1 10.3 | 1447 | 49.0 2.6 | 0525 | 52.9 3.2 | 93 5 | 43 19 | 4.5 | 22.4 7.2 | 1630 | SE | 124 | 0.00 | 24.87 | 0.202 0.005 | 602 28 | 100 20 |
| Rutherford (STS) | 6/30/26 | 82.4 8.0 | 1405 | 49.7 4.1 | 0515 | 55.3 2.2 | 92 1 | 45 16 | 2.9 | 16.4 2.6 | 1437 | ESE | 104 | 0.00 | 26.10 | 0.217 0.007 | 692 31 | 100 20 |
| Oakville-NE (Ranch 88) | 6/30/26 | 80.3 9.8 | 1352 | 49.8 4.0 | 0447 | 51.6 3.4 | 86 6 | 39 18 | 3.4 | 17.8 1.5 | 1723 | SW | 233 | 0.00 | 25.32 | 0.206 0.000 | 623 23 | 100 0 |
| OV561-East | 6/30/26 | 79.0 9.5 | 1552 | 52.7 4.6 | 0519 | - | - | - | - | - | - | - | - | - | - | - | 100 20 |
| Oakville | 6/30/26 | 76.7 11.8 | 1543 | 50.9 3.9 | 0516 | 53.0 2.5 | 92 4 | 45 23 | 4.9 | 20.5 4.4 | 1638 | ESE | 117 | 0.00 | 26.11 | 0.212 0.006 | 679 43 | 100 20 |
| OV518-West | 6/30/26 | 76.6 10.7 | 1550 | 52.5 4.7 | 0516 | - | - | - | - | - | - | - | - | - | - | - | 100 0 |
| To Kalon Remote (TKKE) | 6/30/26 | 80.6 9.6 | 1526 | 50.5 3.2 | 0513 | - | - | - | - | - | - | - | - | - | - | - | 100 20 |
| To Kalon | 6/30/26 | 77.9 11.8 | 1425 | 50.6 2.7 | 0536 | 53.7 2.6 | 95 3 | 45 21 | 4.9 | 19.6 4.5 | 1615 | S | 185 | 0.00 | 28.00 | 0.204 0.008 | 624 7 | 100 10 |
| To Kalon Remote (TKN5) | 6/30/26 | 81.2 8.5 | 1423 | 51.4 3.3 | 0536 | - | - | - | - | - | - | - | - | - | - | - | 100 20 |
| Yountville (Ranch 67) | 6/30/26 | 75.4 9.7 | 1435 | 52.7 5.4 | 0500 | 52.3 2.5 | 91 3 | 46 21 | 4.8 | 19.6 2.9 | 1549 | SE | 146 | 0.00 | 24.03 | 0.210 0.011 | 725 42 | 90 10 |
| Stags Leap Dist (Silverado Vineyards) | 6/30/26 | 75.2 11.6 | 1526 | 52.9 5.3 | 0455 | 52.5 2.1 | 92 0 | 46 23 | 3.9 | 19.3 6.2 | 1631 | S | 183 | 0.00 | 28.04 | 0.205 0.011 | 676 20 | 90 10 |
| Borreo (Soda Canyon) | 6/30/26 | 75.2 10.8 | 1408 | 52.0 4.4 | 0134 | 51.8 3.0 | 93 1 | 45 20 | 2.3 | 11.4 0.5 | 1622 | S | 179 | 0.00 | 27.74 | 0.202 0.009 | 708 40 | 100 0 |
| Wappo Hill Floor | 6/30/26 | 76.6 11.4 | 1523 | 55.2 9.0 | 0335 | 53.6 2.9 | 89 1 | 48 24 | 3.8 | 15.2 0.8 | 1423 | E | 97 | 0.00 | 27.12 | 0.208 0.010 | 690 42 | 100 20 |
| Stags Leap Dist (Chimney Rock) | 6/30/26 | 75.5 11.6 | 1528 | 56.7 10.4 | 0333 | 55.2 2.0 | 89 6 | 53 23 | 3.7 | 14.1 0.8 | 1643 | SE | 128 | 0.00 | 26.50 | 0.182 0.012 | 612 34 | 100 10 |
| Yountville-South (Ranch 87) | 6/30/26 | 77.7 10.8 | 1534 | 54.3 5.7 | 0418 | 53.9 1.8 | 92 1 | 45 20 | 2.5 | 13.4 1.5 | 1451 | S | 175 | 0.00 | 27.76 | 0.206 0.008 | 685 23 | 100 20 |
| Yountville-SE (Ranch 85) | 6/30/26 | 75.5 13.3 | 1415 | 56.3 8.6 | 0446 | 54.2 2.2 | 90 2 | 49 25 | 4.0 | 14.7 0.8 | 1556 | SSE | 152 | 0.00 | 26.09 | - | 0 0 | 100 20 |
| Oak Knoll-East (Ranch 53) | 6/30/26 | 75.6 13.0 | 1512 | 55.6 6.9 | 0442 | 52.8 2.2 | 88 1 | 46 25 | 3.2 | 15.0 1.5 | 1426 | SE | 134 | 0.00 | 24.76 | 0.208 0.011 | 716 42 | 100 20 |
| Napa-NW (Ranch 54) | 6/30/26 | 79.0 11.8 | 1555 | 52.5 4.0 | 0357 | 53.0 2.3 | 91 2 | 41 22 | 0.7 | 8.4 3.4 | 1346 | WSW | 240 | 0.00 | 27.13 | - | 0 0 | 100 20 |
| Napa-North (Ranch 29) | 6/30/26 | 73.5 13.8 | 1511 | 56.8 6.3 | 0311 | 53.7 1.3 | 88 12 | 50 25 | 2.5 | 14.8 0.3 | 1722 | SSW | 192 | 0.00 | 25.63 | 0.137 0.006 | 436 54 | 80 10 |
| Max | 89.9 | - | 57.1 | - | 55.7 | 100 | 53 | 5.1 | 22.4 | - | - | 0.00 | 32.79 | 0.217 | 725 | - | |
| Avg | - | - | - | - | 53.5 | - | - | 3.3 | - | - | - | - | - | - | - | - | |
| Min | 73.5 | - | 49.0 | - | 51.6 | 86 | 31 | 0.7 | 8.4 | - | - | 0.00 | 24.03 | 0.137 | 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 | 6/30/26 | 76.5 5.4 | 1532 | 49.8 4.3 | 0614 | 51.4 5.8 | 100 26 | 44 18 | 2.4 | 13.0 0.1 | 1442 | SE | 142 | 0.00 | 34.60 | 0.185 0.004 | 626 80 | 90 10 |
| Mount George (Napa East) | 6/30/26 | 77.6 8.7 | 1343 | 59.0 6.7 | 0211 | 56.5 4.3 | 92 3 | 51 26 | 2.6 | 12.7 0.4 | 1457 | W | 272 | 0.00 | 17.28 | 0.202 0.003 | 697 44 | 100 0 |
| Napa-East (Palmaz 300') | 6/30/26 | 76.6 10.6 | 1514 | 54.2 2.1 | 0120 | 53.3 1.3 | 92 3 | 45 20 | 2.5 | 14.2 2.0 | 1138 | WSW | 248 | 0.00 | 23.52 | 0.179 0.000 | 579 55 | 100 20 |
| Napa-East (Palmaz 1200') | 6/30/26 | 70.2 10.9 | 1524 | 48.6 2.9 | 0253 | 46.3 2.2 | 100 0 | 50 43 | 2.4 | 14.7 1.2 | 1423 | NNW | 333 | - | - | 0.187 0.009 | 695 40 | 30 10 |
| Napa-East (Palmaz 1400') | 6/30/26 | 71.3 10.1 | 1401 | 50.9 2.3 | 0435 | 52.9 2.3 | 100 0 | 53 22 | 3.7 | 14.4 1.1 | 1306 | SW | 222 | 0.00 | 31.03 | 0.185 0.015 | 674 28 | 40 10 |
| Wooden Valley | 6/30/26 | 77.1 7.9 | 1440 | 53.7 2.9 | 0459 | 51.2 3.7 | 89 5 | 41 21 | 4.6 | 15.4 7.0 | 1056 | WNW | 284 | 0.00 | 29.46 | 0.210 0.014 | 701 54 | 100 0 |
| Napa-West Upper (Truchard) | 6/30/26 | 76.0 11.7 | 1519 | 52.6 1.1 | 0048 | 41.2 11.1 | 100 0 | 0 24 | 3.7 | 17.4 1.0 | 1618 | S | 173 | 0.00 | 24.70 | 0.207 0.027 | 696 36 | 100 20 |
| Napa-West Lower (Truchard) | 6/30/26 | 76.0 12.8 | 1542 | 47.3 3.5 | 0358 | 51.3 1.4 | 93 2 | 45 23 | - | - | - | - | - | - | - | - | 100 20 |
| Napa-South (Toyon Farms) | 6/30/26 | 73.2 11.5 | 1250 | 54.2 2.2 | 2353 | 55.3 0.7 | 97 1 | 54 23 | 4.5 | 17.7 1.5 | 1556 | S | 170 | 0.00 | 18.70 | 0.105 0.025 | 362 29 | 90 10 |
| Toyon Remote 1 | 6/30/26 | 73.2 15.9 | 1529 | 49.9 3.8 | 0015 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 2 | 6/30/26 | 72.5 12.6 | 1305 | 51.0 4.6 | 0309 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 3 | 6/30/26 | 74.8 14.9 | 1513 | 50.2 3.7 | 0331 | - | - | - | - | - | - | - | - | - | - | - | - |
| Dealy Lane (Ranch 80) | 6/30/26 | 74.4 12.0 | 1533 | 50.2 1.9 | 0404 | 52.2 2.2 | 95 4 | 48 23 | 3.1 | 17.0 1.4 | 1609 | SSE | 163 | 0.00 | 23.81 | 0.198 0.017 | 701 39 | 100 20 |
| Carneros (Saintsbury) | 6/30/26 | 71.8 12.5 | 1500 | 51.5 2.9 | 0502 | 52.9 1.9 | 96 4 | 54 29 | 5.2 | 21.1 1.7 | 1537 | S | 176 | 0.00 | 8.94 | - | - | 90 10 |
| Suscol Lower (Ranch 35) | 6/30/26 | 72.8 12.3 | 1430 | 55.5 3.6 | 2225 | 52.6 1.4 | - | - | 6.5 | 20.5 2.3 | 1603 | S | 185 | 0.00 | 23.25 | 0.182 0.035 | 600 1 | 90 10 |
| Suscol Mtn (Ranch 93) | 6/30/26 | 75.6 11.8 | 1451 | 52.0 1.1 | 0030 | 53.7 1.9 | 97 2 | 52 26 | 4.7 | 17.5 3.0 | 1223 | W | 275 | 0.00 | 19.29 | - | - | 90 10 |
| Suscol Upper (Ranch 92) | 6/30/26 | 70.7 12.4 | 1453 | 52.8 0.7 | 0028 | 42.6 8.7 | 100 7 | 3 23 | 3.7 | 17.9 0.5 | 1542 | SW | 214 | 0.00 | 22.76 | - | - | 30 10 |
| Stanly (Ranch 45) | 6/30/26 | 71.4 13.3 | 1453 | 55.4 7.0 | 0041 | 53.4 1.4 | 88 4 | 55 31 | 7.9 | 22.7 5.2 | 1601 | SSW | 211 | 0.00 | 22.51 | 0.203 0.043 | 735 11 | 90 10 |
| Carneros Upper (Ranch 81) | 6/30/26 | 74.8 9.8 | 1537 | 53.2 0.0 | 0406 | 52.4 2.5 | - | - | 4.6 | 18.7 6.6 | 1605 | S | 189 | - | - | - | - | 90 10 |
| Carneros (Mitsuko) | 6/30/26 | 73.2 12.8 | 1448 | 47.6 3.0 | 0436 | - | - | - | - | - | - | - | - | - | - | - | 90 10 |
| Carneros Lower (Ranch 81) | 6/30/26 | 74.7 12.5 | 1512 | 50.7 2.7 | 0602 | 52.5 1.6 | 100 0 | 0 0 | 2.7 | 15.2 1.7 | 1757 | SSE | 148 | 0.00 | 19.55 | 0.187 0.002 | 646 44 | 70 10 |
| Carneros (Milton Rd) | 6/30/26 | 71.3 12.4 | 1344 | 53.7 6.4 | 0539 | 53.4 2.2 | 91 2 | 54 29 | - | - | - | - | 0.00 | 18.07 | - | - | 90 10 |
| Max | 77.6 | - | 59.0 | - | 56.5 | 100 | 55 | 7.9 | 22.7 | - | - | 0.00 | 34.60 | 0.210 | 735 | - | |
| Avg | - | - | - | - | 51.4 | - | - | 4.1 | - | - | - | - | - | - | - | - | |
| Min | 70.2 | - | 47.3 | - | 41.2 | 88 | 0 | 2.4 | 12.7 | - | - | 0.00 | 8.94 | 0.105 | 362 | - |