| 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 | 6/18/26 | 83.2 6.1 | 1154 | 49.7 1.1 | 0259 | - | - | - | - | - | - | - | 0.00 | 50.54 | - | - | 60 20 |
| Pope Valley (Weeks Lake) | 6/18/26 | 83.3 4.3 | 1416 | 49.4 0.4 | 0541 | 52.5 1.9 | 100 0 | 37 0 | 2.3 0.2 | 12.7 0.2 | 1447 | SW | 224 | 0.00 | 26.64 | 0.199 0.010 | 616 8 | 30 20 |
| Dollarhide Base | 6/18/26 | 84.5 5.4 | 1304 | 54.7 0.7 | 0544 | 55.8 2.5 | 92 2 | 45 2 | 5.7 1.7 | 21.3 3.7 | 1445 | SSW | 206 | 0.00 | 23.55 | 0.230 0.012 | 684 19 | 20 20 |
| Dollarhide 1AS Remote | 6/18/26 | 84.2 5.7 | 1314 | 54.9 0.3 | 0536 | 55.1 2.2 | 90 2 | 44 3 | 5.3 0.6 | 22.2 5.1 | 1540 | SW | 226 | - | - | - | - | 20 20 |
| Dollarhide 16A Remote | 6/18/26 | 82.3 5.0 | 1309 | 54.8 0.7 | 0556 | 55.8 2.1 | 92 3 | 48 3 | - | - | - | - | - | - | - | - | 50 20 |
| Dollarhide 18A Remote | 6/18/26 | 82.2 5.0 | 1359 | 55.2 0.2 | 0539 | 54.7 2.4 | 88 3 | 46 4 | - | - | - | - | - | - | - | - | 30 20 |
| Hardin Rd (Eakle) | 6/18/26 | 83.7 4.8 | 1352 | 55.6 0.4 | 0539 | - | - | - | - | - | - | - | - | - | - | - | 50 20 |
| Angwin | 6/18/26 | 72.2 9.0 | 1325 | 50.0 2.4 | 0059 | 51.4 3.4 | 100 4 | 52 10 | 2.8 0.7 | 15.6 2.6 | 1750 | SSE | 149 | 0.00 | 46.17 | 0.021 0.024 | 0 0 | 90 10 |
| Lower Angwin (Pioneer) | 6/18/26 | 74.4 3.9 | 1346 | 50.6 0.2 | 0556 | - | - | - | 4.2 1.3 | 19.0 4.3 | 2308 | WNW | 286 | - | - | - | - | 90 10 |
| Las Posadas (Cal Fire) | 6/18/26 | 75.5 4.9 | 1335 | 51.6 0.1 | 0548 | 52.9 1.8 | 97 1 | 52 4 | 12.4 1.5 | 32.9 6.6 | 1659 | SW | 215 | 0.00 | 35.41 | 0.191 0.024 | 623 11 | - |
| Deer Park | 6/18/26 | 77.8 4.4 | 1349 | 53.9 0.3 | 0533 | 53.0 1.5 | 92 2 | 46 2 | 6.5 0.9 | 19.7 4.2 | 1559 | NW | 316 | 0.00 | 29.37 | 0.165 0.000 | 474 7 | 60 10 |
| Lower Chiles Valley (Brown) | 6/18/26 | 78.9 2.9 | 1453 | 54.5 0.6 | 0609 | 53.4 1.9 | 91 4 | 45 1 | 5.3 0.7 | 18.8 2.6 | 1715 | WNW | 298 | 0.00 | 26.24 | 0.203 0.004 | 655 7 | 100 20 |
| Moss Creek Vineyard/Reservior | 6/18/26 | 82.3 6.4 | 1214 | 52.4 1.4 | 0448 | 53.3 2.0 | 94 2 | 39 5 | - | - | - | - | 0.00 | 27.15 | - | - | 20 20 |
| Max | 84.5 | - | 55.6 | - | 55.8 | 100 | 52 | 12.4 | 32.9 | - | - | 0.00 | 50.54 | 0.230 | 684 | - | |
| Avg | - | - | - | - | 53.8 | - | - | 5.6 | - | - | - | - | - | - | - | - | |
| Min | 72.2 | - | 49.4 | - | 51.4 | 88 | 37 | 2.3 | 12.7 | - | - | 0.00 | 23.55 | 0.021 | 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) | 6/18/26 | 78.0 4.2 | 1323 | 53.1 0.1 | 0508 | 53.5 1.6 | 100 0 | 46 1 | - | - | - | - | 0.00 | 31.46 | - | - | 60 10 |
| Diamond Mtn (McEachran) | 6/18/26 | 75.4 3.6 | 1342 | 54.3 0.6 | 0648 | 53.4 1.4 | 94 3 | 51 2 | - | - | - | - | - | - | - | - | 90 10 |
| St. Helena-North | 6/18/26 | 83.1 2.6 | 1359 | 56.9 0.6 | 0501 | 52.1 1.5 | 81 3 | 37 1 | 3.0 | 15.6 0.9 | 1246 | NW | 320 | 0.00 | 31.48 | 0.185 0.002 | 568 13 | 40 20 |
| St. Helena (NVV Office) | 6/18/26 | 83.0 2.9 | 1353 | 57.6 0.7 | 0359 | - | - | - | 2.7 | 14.0 2.1 | 1709 | WNW | 292 | 0.00 | 29.13 | - | - | 50 20 |
| Tiara Fria (East St. Helena) | 6/18/26 | 80.6 3.1 | 1433 | 57.4 0.6 | 0627 | 53.9 1.6 | 83 3 | 44 1 | 4.5 | 17.1 3.3 | 1642 | WSW | 256 | 0.00 | 27.01 | - | - | 80 20 |
| Rutherford Hill Estate | 6/18/26 | 84.5 0.3 | 1536 | 56.6 0.8 | 0535 | 54.1 1.4 | 86 2 | 40 3 | 2.7 | 14.9 3.3 | 1616 | NNW | 328 | 0.00 | 25.35 | 0.179 0.005 | 553 7 | 80 20 |
| Rutherford-North (Mee Ln) | 6/18/26 | 81.2 1.7 | 1518 | 57.6 0.9 | 0520 | 53.7 1.5 | 82 4 | 43 1 | 4.4 | 16.7 0.4 | 1515 | NW | 322 | 0.00 | 24.87 | 0.193 0.005 | 578 17 | 90 20 |
| Rutherford (STS) | 6/18/26 | 84.4 0.9 | 1446 | 57.8 0.6 | 0539 | 56.2 1.5 | 87 2 | 45 2 | 3.8 | 15.3 2.8 | 1707 | W | 278 | 0.00 | 26.10 | 0.208 0.006 | 654 14 | 60 20 |
| Oakville-NE (Ranch 88) | 6/18/26 | 82.1 2.0 | 1522 | 58.2 0.5 | 0436 | 52.5 1.7 | 78 3 | 39 0 | 3.3 | 16.1 0.5 | 1445 | SSE | 151 | 0.00 | 25.32 | 0.194 0.005 | 591 15 | 100 0 |
| OV561-East | 6/18/26 | 81.9 0.8 | 1533 | 58.6 0.6 | 0709 | - | - | - | - | - | - | - | - | - | - | - | 100 10 |
| Oakville | 6/18/26 | 79.2 1.2 | 1554 | 58.3 0.5 | 0442 | 53.5 1.7 | 81 5 | 45 1 | 4.3 | 17.5 0.0 | 1713 | WSW | 254 | 0.00 | 26.11 | 0.205 0.008 | 640 15 | 100 0 |
| OV518-West | 6/18/26 | 77.6 1.8 | 1309 | 58.4 0.4 | 0554 | - | - | - | - | - | - | - | - | - | - | - | 100 0 |
| To Kalon Remote (TKKE) | 6/18/26 | 81.6 1.9 | 1428 | 58.7 0.5 | 0551 | - | - | - | - | - | - | - | - | - | - | - | 90 20 |
| To Kalon | 6/18/26 | 80.1 0.6 | 1447 | 57.7 0.2 | 0552 | 54.4 1.6 | 85 0 | 46 2 | 3.5 | 19.9 3.2 | 1705 | W | 272 | 0.00 | 28.00 | 0.187 0.004 | 579 14 | 100 0 |
| To Kalon Remote (TKN5) | 6/18/26 | 81.8 1.7 | 1432 | 58.3 0.1 | 0535 | - | - | - | - | - | - | - | - | - | - | - | 100 0 |
| Yountville (Ranch 67) | 6/18/26 | 77.5 0.2 | 1622 | 57.9 1.4 | 0603 | 52.4 1.7 | 78 7 | 44 4 | 4.0 | 19.0 0.0 | 1353 | ENE | 73 | 0.00 | 24.03 | 0.204 0.005 | 671 2 | 100 0 |
| Stags Leap Dist (Silverado Vineyards) | 6/18/26 | 80.0 1.9 | 1623 | 58.1 2.1 | 0612 | 53.1 1.4 | 80 8 | 43 5 | 1.7 | 17.1 1.2 | 1308 | SSE | 158 | 0.00 | 28.04 | 0.187 0.001 | 622 20 | 100 0 |
| Borreo (Soda Canyon) | 6/18/26 | 75.4 1.0 | 1718 | 56.0 3.5 | 0530 | 52.5 1.4 | 85 8 | 46 3 | 2.9 | 14.5 1.8 | 1328 | S | 178 | 0.00 | 27.74 | 0.194 0.009 | 655 30 | 100 0 |
| Wappo Hill Floor | 6/18/26 | 82.0 2.8 | 1622 | 58.3 1.0 | 0620 | 53.9 1.6 | 80 6 | 42 8 | 4.5 | 15.6 1.2 | 1506 | ESE | 118 | 0.00 | 27.12 | 0.202 0.008 | 630 9 | 100 0 |
| Stags Leap Dist (Chimney Rock) | 6/18/26 | 78.6 0.7 | 1652 | 59.0 1.0 | 0535 | 55.9 1.2 | 84 5 | 51 3 | 3.7 | 15.6 2.0 | 1355 | SSE | 161 | 0.00 | 26.50 | 0.180 0.010 | 575 23 | 100 0 |
| Yountville-South (Ranch 87) | 6/18/26 | 80.1 0.3 | 1615 | 58.7 1.8 | 0533 | 54.6 1.6 | 82 8 | 44 4 | 2.3 | 13.4 1.0 | 1317 | S | 172 | 0.00 | 27.76 | 0.197 0.006 | 641 13 | 100 0 |
| Yountville-SE (Ranch 85) | 6/18/26 | 78.9 0.5 | 1644 | 58.4 0.1 | 0624 | 54.6 1.6 | 82 4 | 46 4 | 3.7 | 15.6 0.5 | 1517 | SE | 140 | 0.00 | 26.09 | - | 0 0 | 100 0 |
| Oak Knoll-East (Ranch 53) | 6/18/26 | 80.8 2.7 | 1544 | 58.8 1.9 | 0652 | 53.3 2.0 | 79 8 | 42 7 | 3.3 | 17.5 2.0 | 1521 | SE | 142 | 0.00 | 24.76 | 0.206 0.018 | 670 52 | 100 0 |
| Napa-NW (Ranch 54) | 6/18/26 | 82.4 1.4 | 1519 | 58.7 1.8 | 0617 | 53.9 2.1 | 84 4 | 40 6 | 2.1 | 13.0 4.9 | 1821 | SW | 215 | 0.00 | 27.13 | - | 0 0 | 100 20 |
| Napa-North (Ranch 29) | 6/18/26 | 75.4 0.6 | 1703 | 58.6 0.9 | 0555 | 54.0 1.5 | 84 3 | 49 6 | 3.6 | 18.9 1.0 | 1550 | SSW | 196 | 0.00 | 25.63 | 0.143 0.006 | 430 5 | 100 0 |
| Max | 84.5 | - | 59.0 | - | 56.2 | 100 | 51 | 4.5 | 19.9 | - | - | 0.00 | 31.48 | 0.208 | 671 | - | |
| Avg | - | - | - | - | 53.8 | - | - | 3.4 | - | - | - | - | - | - | - | - | |
| Min | 75.4 | - | 53.1 | - | 52.1 | 78 | 37 | 1.7 | 13.0 | - | - | 0.00 | 24.03 | 0.143 | 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 | 6/18/26 | 76.8 4.8 | 1334 | 51.9 0.4 | 0625 | 53.1 1.9 | 100 0 | 48 2 | 1.5 | 10.4 2.9 | 1304 | S | 182 | 0.00 | 34.60 | 0.247 0.083 | 1,033 327 | 90 10 |
| Mount George (Napa East) | 6/18/26 | 74.9 3.2 | 1451 | 59.7 0.9 | 0353 | 56.2 4.0 | 87 6 | 56 1 | 2.9 | 15.6 1.5 | 1616 | SSE | 147 | 0.00 | 17.28 | 0.192 0.013 | 649 56 | 100 0 |
| Napa-East (Palmaz 300') | 6/18/26 | 76.8 3.4 | 1420 | 57.8 0.7 | 0459 | 53.9 1.5 | 84 5 | 48 2 | 3.1 | 15.4 3.1 | 1542 | SSE | 152 | 0.00 | 23.52 | 0.170 0.000 | 534 9 | 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') | 6/18/26 | 70.1 2.9 | 1230 | 52.0 0.3 | 0558 | 53.6 1.4 | 100 0 | 60 0 | 3.9 | 20.0 3.6 | 1615 | SW | 227 | 0.00 | 31.03 | 0.172 0.012 | 632 52 | 70 10 |
| Wooden Valley | 6/18/26 | 74.2 2.9 | 1500 | 55.7 1.1 | 0557 | 52.5 1.6 | 86 5 | 50 1 | 5.0 | 26.0 8.2 | 2252 | WNW | 300 | 0.00 | 29.46 | 0.193 0.003 | 655 7 | 90 10 |
| Napa-West Upper (Truchard) | 6/18/26 | 78.9 2.2 | 1616 | 56.7 0.8 | 0518 | 54.3 2.3 | 93 7 | 43 8 | 6.7 | 20.6 2.3 | 1621 | SSW | 201 | 0.00 | 24.70 | 0.211 0.021 | 646 48 | 100 0 |
| Napa-West Lower (Truchard) | 6/18/26 | 79.0 1.6 | 1620 | 57.5 0.9 | 0500 | 53.8 1.7 | 85 4 | 42 6 | - | - | - | - | - | - | - | - | 100 0 |
| Napa-South (Toyon Farms) | 6/18/26 | 75.7 0.1 | 1643 | 57.3 0.2 | 0438 | 55.9 1.5 | 89 4 | 55 5 | 5.4 | 25.0 4.9 | 1601 | S | 169 | 0.00 | 18.70 | 0.110 0.007 | 356 13 | 100 0 |
| Toyon Remote 1 | 6/18/26 | 79.6 2.0 | 1700 | 57.4 0.4 | 0431 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 2 | 6/18/26 | 76.4 1.8 | 1655 | 58.0 0.4 | 0431 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 3 | 6/18/26 | 80.4 2.7 | 1658 | 57.9 0.3 | 0535 | - | - | - | - | - | - | - | - | - | - | - | - |
| Dealy Lane (Ranch 80) | 6/18/26 | 78.2 0.2 | 1531 | 57.0 0.1 | 0524 | 53.3 1.9 | 83 6 | 44 5 | 3.7 | 17.3 1.0 | 1411 | SSE | 151 | 0.00 | 23.81 | 0.192 0.016 | 636 52 | 100 0 |
| Carneros (Saintsbury) | 6/18/26 | 75.1 1.9 | 1650 | 56.5 0.6 | 0522 | 53.7 1.4 | 85 5 | 49 5 | 7.3 | 25.4 2.4 | 1604 | SSE | 149 | 0.00 | 8.94 | - | - | 80 10 |
| Suscol Lower (Ranch 35) | 6/18/26 | 72.8 2.6 | 1411 | 57.0 0.4 | 0459 | 53.3 1.5 | - | - | 7.4 | 25.9 1.7 | 1521 | S | 189 | 0.00 | 23.25 | 0.182 0.020 | 571 60 | 80 10 |
| Suscol Mtn (Ranch 93) | 6/18/26 | 74.7 2.6 | 1339 | 53.4 0.5 | 0506 | 53.6 2.0 | 94 6 | 56 0 | 12.3 | 25.9 2.9 | 1638 | W | 276 | 0.00 | 19.27 | - | - | 70 10 |
| Suscol Upper (Ranch 92) | 6/18/26 | 70.6 2.2 | 1355 | 54.1 0.6 | 0548 | 53.1 8.4 | 92 8 | 56 53 | 5.8 | 22.5 2.7 | 1657 | S | 186 | 0.00 | 22.76 | - | - | 60 10 |
| Stanly (Ranch 45) | 6/18/26 | 72.0 1.8 | 1530 | 57.4 0.8 | 0506 | 53.7 1.4 | 82 5 | 54 0 | 8.6 | 26.6 1.9 | 1541 | SSW | 205 | 0.00 | 22.51 | 0.207 0.020 | 693 65 | 100 10 |
| Carneros Upper (Ranch 81) | 6/18/26 | 77.6 0.3 | 1514 | 55.9 0.1 | 0510 | 53.2 1.7 | - | - | 9.7 | 24.1 0.6 | 1651 | WSW | 258 | - | - | - | - | 100 0 |
| Carneros (Mitsuko) | 6/18/26 | 76.4 1.1 | 1643 | 57.3 0.0 | 0517 | - | - | - | - | - | - | - | - | - | - | - | 100 0 |
| Carneros Lower (Ranch 81) | 6/18/26 | 81.4 0.9 | 1556 | 57.4 0.3 | 0629 | 54.6 1.6 | 84 5 | 42 5 | 1.8 | 21.1 3.4 | 1504 | SSE | 166 | 0.00 | 19.55 | 0.176 0.015 | 577 57 | 100 0 |
| Carneros (Milton Rd) | 6/18/26 | 72.6 1.7 | 1336 | 57.7 0.1 | 0528 | 53.8 1.6 | 82 5 | 53 4 | - | - | - | - | 0.00 | 18.07 | - | - | 100 10 |
| Max | 81.4 | - | 59.7 | - | 56.2 | 100 | 60 | 12.3 | 26.6 | - | - | 0.00 | 34.60 | 0.247 | 1,033 | - | |
| Avg | - | - | - | - | 53.9 | - | - | 5.7 | - | - | - | - | - | - | - | - | |
| Min | 70.1 | - | 51.9 | - | 52.5 | 82 | 42 | 1.5 | 10.4 | - | - | 0.00 | 8.94 | 0.110 | 356 | - |