| 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 | 4/14/26 | 62.2 1.9 | 1707 | 34.0 1.1 | 0653 | - | - | - | - | - | - | - | 0.00 | 47.36 | - | - | 30 10 |
| Pope Valley (Weeks Lake) | 4/14/26 | 68.1 0.8 | 1606 | 35.8 0.1 | 0320 | 42.7 1.5 | 100 0 | 38 5 | 1.8 | 12.5 1.1 | 1118 | ESE | 114 | 0.01 | 24.05 | 0.144 0.024 | 534 89 | 40 10 |
| Whiskey River Winery | 12/13/25 | 52.8 3.6 | 1548 | 37.3 0.3 | 0759 | 36.3 2.0 | 88 11 | 68 4 | 0.0 | 0.0 2.4 | 0001 | SE | 128 | 0.00 | 7.07 | - | - | - |
| Dollarhide Base | 4/14/26 | 70.2 0.4 | 1452 | 38.6 1.9 | 0635 | 46.2 1.0 | 100 0 | 43 4 | 3.4 | 16.6 4.2 | 1440 | WSW | 239 | 0.00 | 21.37 | 0.164 0.029 | 602 96 | 50 10 |
| Dollarhide 1AS Remote | 4/14/26 | 69.2 0.4 | 1643 | 38.4 1.1 | 0430 | 45.2 1.1 | 95 0 | 45 6 | 2.4 | 14.0 0.3 | 1759 | SW | 216 | - | - | - | - | 40 10 |
| Dollarhide 17B Remote | 4/14/26 | 70.5 1.0 | 1538 | 38.7 0.5 | 0700 | 46.0 1.3 | 100 0 | 43 4 | - | - | - | - | - | - | - | - | 50 10 |
| Dollarhide 18A Remote | 4/14/26 | 68.4 0.7 | 1558 | 36.4 0.8 | 0303 | 44.6 0.9 | 100 0 | 44 4 | - | - | - | - | - | - | - | - | 40 10 |
| Angwin | 4/14/26 | 59.4 2.2 | 1547 | 44.0 6.2 | 0607 | 42.4 2.0 | 90 10 | 49 1 | 2.6 | 12.8 0.3 | 1538 | SSE | 159 | 0.00 | 42.26 | 0.017 0.001 | 0 0 | 0 0 |
| Lower Angwin (Pioneer) | 4/14/26 | 61.4 1.9 | 1519 | 37.2 0.7 | 0534 | - | - | - | 2.3 | 14.6 2.2 | 1430 | SW | 228 | - | - | - | - | 0 0 |
| Deer Park | 4/14/26 | 68.1 0.4 | 1519 | 42.8 0.3 | 0706 | 44.5 1.6 | 95 1 | 42 6 | 3.5 | 13.6 1.8 | 1645 | SW | 229 | 0.00 | 26.38 | 0.119 0.026 | 403 105 | 40 10 |
| Lower Chiles Valley (Brown) | 4/14/26 | 66.0 0.8 | 1620 | 33.8 3.1 | 0654 | 42.6 1.2 | 100 0 | 45 11 | 2.3 | 14.6 3.3 | 1147 | W | 280 | 0.00 | 23.68 | 0.148 0.036 | 590 171 | 40 10 |
| Moss Creek Vineyard/Reservior | 4/14/26 | 68.4 0.0 | 1453 | 38.4 4.8 | 0703 | 44.3 0.9 | 100 2 | 42 8 | - | - | - | - | 0.00 | 25.15 | - | - | 50 10 |
| Max | 70.5 | - | 44.0 | - | 46.2 | 100 | 49 | 3.5 | 16.6 | - | - | 0.01 | 47.36 | 0.164 | 602 | - | |
| Avg | - | - | - | - | 44.3 | - | - | 2.6 | - | - | - | - | - | - | - | - | |
| Min | 59.4 | - | 33.8 | - | 42.4 | 90 | 38 | 1.8 | 12.5 | - | - | 0.00 | 21.37 | 0.017 | 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 | 4/14/26 | 72.5 0.9 | 1442 | 38.7 0.1 | 0623 | 45.4 0.5 | 100 0 | 43 5 | - | - | - | - | 0.00 | 30.66 | - | - | 10 10 |
| Fotsch (Maple Lane) | 3/9/26 | 75.9 3.7 | 1625 | 41.4 5.5 | 0743 | 44.5 1.8 | 97 3 | 26 3 | 3.3 | 15.6 1.3 | 1413 | WSW | 249 | 0.00 | 26.01 | - | - | 0 0 |
| Diamond Mtn (Schramsberg) | 4/14/26 | 65.5 0.0 | 1456 | 42.2 1.3 | 0642 | 44.3 1.1 | 100 0 | 44 4 | - | - | - | - | 0.00 | 29.18 | - | - | 40 10 |
| Diamond Mtn (McEachran) | 4/14/26 | 66.1 0.6 | 1446 | 43.1 1.0 | 0656 | 44.2 0.7 | 97 0 | 42 5 | - | - | - | - | - | - | - | - | 40 10 |
| St. Helena-North | 4/14/26 | 69.8 0.2 | 1511 | 39.9 0.5 | 0636 | 42.9 0.4 | 100 0 | 37 5 | 1.8 | 12.9 0.2 | 1043 | SSE | 155 | 0.01 | 28.40 | 0.127 0.005 | 465 14 | 40 10 |
| St. Helena (NVV Office) | 4/14/26 | 70.4 0.5 | 1340 | 40.2 3.1 | 0653 | - | - | - | 1.1 | 10.0 0.8 | 1532 | WSW | 248 | 0.00 | 26.38 | - | - | 50 10 |
| Tiara Fria (East St. Helena) | 4/14/26 | 68.2 1.0 | 1524 | 39.8 3.8 | 0648 | 45.0 0.5 | 97 0 | 41 7 | 2.1 | 16.6 3.7 | 1223 | SSE | 157 | 0.00 | 24.36 | - | - | 40 10 |
| Rutherford Hill Estate | 4/14/26 | 70.1 1.2 | 1651 | 42.6 2.2 | 0702 | 45.2 1.4 | 100 7 | 39 6 | 1.7 | 13.6 0.7 | 1317 | S | 186 | 0.00 | 23.16 | 0.131 0.012 | 493 65 | 40 10 |
| Rutherford-North (Mee Ln) | 4/14/26 | 69.8 0.4 | 1515 | 36.7 4.5 | 0511 | 43.7 0.1 | 97 1 | 39 6 | 2.4 | 13.6 6.4 | 1546 | SW | 234 | 0.00 | 22.65 | 0.132 0.000 | 482 7 | 50 10 |
| Rutherford (STS) | 4/14/26 | 71.0 0.4 | 1444 | 39.0 4.9 | 0613 | 45.2 0.3 | 91 0 | 44 7 | 2.1 | 14.5 0.4 | 1603 | W | 266 | 0.00 | 23.91 | 0.157 0.000 | 592 14 | 50 10 |
| Oakville-NE (Ranch 88) | 4/14/26 | 69.9 0.5 | 1540 | 38.9 5.3 | 0548 | 43.4 0.1 | 100 2 | 34 4 | 2.3 | 15.7 1.0 | 1510 | SE | 130 | 0.00 | 23.05 | 0.149 0.008 | 549 37 | 0 0 |
| OV561-East | 4/14/26 | 71.0 0.5 | 1538 | 40.1 4.6 | 0534 | - | - | - | - | - | - | - | - | - | - | - | 20 10 |
| Oakville | 4/14/26 | 68.6 0.5 | 1526 | 38.7 5.9 | 0648 | 44.0 0.4 | 98 2 | 41 11 | 3.4 | 15.3 1.5 | 1537 | WSW | 252 | 0.00 | 23.59 | 0.153 0.012 | 572 36 | 40 10 |
| OV518-West | 4/14/26 | 67.8 0.1 | 1347 | 38.5 7.1 | 0638 | - | - | - | - | - | - | - | - | - | - | - | 40 10 |
| To Kalon Remote (TKKE) | 4/14/26 | 69.9 0.1 | 1448 | 37.0 6.4 | 0611 | - | - | - | - | - | - | - | - | - | - | - | 50 10 |
| To Kalon | 4/14/26 | 69.4 0.8 | 1445 | 38.6 5.7 | 0627 | 44.5 0.1 | 100 3 | 43 9 | 2.6 | 14.4 0.3 | 1519 | W | 278 | 0.00 | 25.72 | 0.144 0.002 | 531 2 | 40 10 |
| To Kalon Remote (TKN5) | 4/14/26 | 69.7 0.4 | 1448 | 38.2 5.9 | 0644 | - | - | - | - | - | - | - | - | - | - | - | 30 10 |
| Yountville (Ranch 67) | 4/14/26 | 68.1 0.7 | 1559 | 39.2 5.3 | 0614 | 43.9 0.8 | 98 1 | 40 13 | 2.8 | 15.7 0.8 | 1458 | SE | 125 | 0.00 | 21.74 | 0.152 0.013 | 630 25 | 40 10 |
| Stags Leap Dist (Silverado Vineyards) | 4/14/26 | 66.9 3.4 | 1628 | 37.9 6.0 | 0643 | 43.6 0.2 | 97 2 | 44 15 | 2.6 | 16.2 5.0 | 1614 | SSE | 153 | 0.00 | 25.83 | 0.147 0.012 | 555 58 | 50 10 |
| Borreo (Soda Canyon) | 4/14/26 | 64.2 2.0 | 1424 | 38.1 3.4 | 0547 | 43.0 0.0 | 98 0 | 48 17 | 2.0 | 11.1 0.1 | 1601 | SSE | 149 | 0.00 | 25.72 | 0.143 0.019 | 575 103 | 30 10 |
| Wappo Hill Floor | 4/14/26 | 67.3 2.8 | 1615 | 37.6 5.7 | 0540 | 44.8 0.7 | 100 0 | 48 18 | 2.9 | 16.6 2.8 | 1342 | ESE | 123 | 0.00 | 25.08 | 0.148 0.014 | 555 40 | 50 10 |
| Stags Leap Dist (Chimney Rock) | 4/14/26 | 66.9 2.3 | 1446 | 38.7 5.5 | 0611 | 45.8 0.5 | 100 0 | 52 18 | 3.0 | 15.3 1.3 | 1453 | S | 182 | 0.00 | 24.34 | 0.138 0.007 | 523 16 | 40 10 |
| Yountville-South (Ranch 87) | 4/14/26 | 67.3 1.7 | 1445 | 39.7 5.1 | 0624 | 45.4 0.2 | 100 0 | 46 16 | 2.5 | 13.8 1.6 | 1525 | SSW | 200 | 0.00 | 25.67 | 0.146 0.003 | 552 11 | 0 10 |
| Yountville-SE (Ranch 85) | 4/14/26 | 67.9 2.5 | 1521 | 40.4 5.5 | 0622 | 45.5 0.2 | 100 2 | 47 16 | 2.1 | 12.4 0.3 | 1642 | SSE | 157 | 0.00 | 23.95 | - | 0 0 | 20 10 |
| Oak Knoll-East (Ranch 53) | 4/3/26 | 80.5 10.3 | 1722 | 45.0 4.7 | 0045 | 27.6 11.1 | 76 19 | 10 11 | 5.2 | 21.4 7.7 | 0509 | NNW | 341 | 0.00 | 20.76 | 0.206 0.064 | 539 11 | 50 20 |
| Napa-NW (Ranch 54) | 4/14/26 | 67.3 2.1 | 1732 | 40.2 5.4 | 0616 | 44.9 0.0 | 100 0 | 43 12 | 1.3 | 13.1 2.5 | 1451 | SSW | 205 | 0.00 | 24.86 | - | 0 0 | 50 10 |
| Napa-North (Ranch 29) | 4/14/26 | 65.2 2.4 | 1515 | 40.4 5.1 | 0621 | 45.6 0.7 | 100 0 | 49 11 | 2.3 | 15.6 1.7 | 1411 | S | 181 | 0.00 | 22.49 | 0.107 0.017 | 380 90 | 50 10 |
| Max | 72.5 | - | 43.1 | - | 45.8 | 100 | 52 | 3.4 | 16.6 | - | - | 0.01 | 30.66 | 0.157 | 630 | - | |
| Avg | - | - | - | - | 44.5 | - | - | 2.3 | - | - | - | - | - | - | - | - | |
| Min | 64.2 | - | 36.7 | - | 42.9 | 91 | 34 | 1.1 | 10.0 | - | - | 0.00 | 21.74 | 0.107 | 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 | 4/14/26 | 60.8 0.0 | 1621 | 43.9 1.1 | 0640 | 43.4 0.6 | 94 3 | 49 2 | 2.0 | 13.4 4.0 | 1422 | SSE | 159 | 0.00 | 31.92 | 0.117 0.022 | 486 105 | 10 10 |
| Mount George (Napa East) | 4/14/26 | 65.8 2.2 | 1522 | 42.7 2.0 | 0323 | 46.4 2.1 | 100 0 | 49 8 | 1.6 | 12.4 2.5 | 1450 | WSW | 256 | 0.00 | 14.31 | 0.132 0.006 | 517 49 | 40 10 |
| Napa-East (Palmaz 300') | 4/14/26 | 66.8 1.6 | 1409 | 41.9 3.4 | 0432 | 45.0 0.4 | 100 0 | 45 9 | 2.2 | 13.1 2.4 | 1357 | SW | 219 | 0.00 | 20.64 | 0.125 0.014 | 468 84 | 50 10 |
| Napa-East (Palmaz 1200') | 4/14/26 | 60.5 1.8 | 1447 | 40.0 1.2 | 0059 | 42.6 1.8 | 100 0 | 12 34 | 2.6 | 14.5 3.4 | 1522 | NNW | 340 | - | - | - | 406 13 | 0 10 |
| Napa-East (Palmaz 1400') | 4/14/26 | 61.6 0.7 | 1346 | 38.6 1.9 | 0640 | 44.3 0.0 | 100 0 | 58 12 | 2.5 | 16.5 2.6 | 1406 | WSW | 254 | 0.00 | 27.92 | 0.121 0.026 | 513 126 | 0 10 |
| Wooden Valley | 4/14/26 | 63.5 1.7 | 1540 | 37.9 2.8 | 0511 | 42.7 0.3 | 98 1 | 50 11 | 3.2 | 16.4 3.2 | 1442 | WNW | 299 | 0.00 | 26.48 | 0.148 0.025 | 613 118 | 0 10 |
| Napa-West Upper (Truchard) | 4/14/26 | 66.4 1.4 | 1336 | 42.4 2.7 | 0600 | 15.2 19.2 | 100 0 | 0 0 | 4.0 | 18.0 0.8 | 1544 | SSW | 201 | 0.00 | 22.19 | 0.145 0.002 | 548 15 | 20 10 |
| Napa-West Lower (Truchard) | 4/14/26 | 71.0 0.4 | 1355 | 35.8 3.1 | 0628 | 42.6 1.0 | 100 0 | 40 8 | - | - | - | - | - | - | - | - | 20 10 |
| Napa-South (Toyon Farms) | 4/14/26 | 65.8 1.7 | 1404 | 42.1 3.1 | 0654 | 47.1 0.8 | 100 0 | 56 7 | 3.2 | 14.2 1.0 | 1517 | SW | 225 | 0.00 | 15.95 | 0.070 0.007 | 252 36 | 20 10 |
| Toyon Remote 1 | 4/14/26 | 69.3 0.3 | 1335 | 34.4 5.4 | 0623 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 2 | 4/14/26 | 67.2 1.0 | 1338 | 37.8 4.0 | 0641 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 3 | 4/14/26 | 68.5 0.4 | 1410 | 38.0 4.0 | 0608 | - | - | - | - | - | - | - | - | - | - | - | - |
| Dealy Lane (Ranch 80) | 4/14/26 | 66.1 1.8 | 1443 | 40.6 3.4 | 0639 | 44.4 0.7 | 97 1 | 48 7 | 2.5 | 14.7 2.4 | 1756 | NW | 307 | 0.00 | 21.57 | 0.131 0.005 | 505 6 | 50 10 |
| Carneros (Saintsbury) | 4/14/26 | 65.7 3.3 | 1326 | 38.3 2.8 | 0651 | 44.6 1.0 | 100 0 | 49 7 | 3.9 | 17.4 0.6 | 1755 | WSW | 245 | 0.01 | 7.63 | - | - | 0 10 |
| Suscol Lower (Ranch 35) | 4/14/26 | 66.4 1.0 | 1406 | 41.1 2.1 | 0654 | 44.8 0.4 | - | - | 4.2 | 20.2 4.4 | 1510 | WNW | 289 | 0.00 | 20.34 | 0.130 0.010 | 484 25 | 40 10 |
| Suscol Mtn (Ranch 93) | 4/14/26 | 66.0 2.4 | 1352 | 44.6 0.2 | 0605 | 44.9 0.7 | 99 4 | 52 7 | 5.4 | 23.4 4.3 | 1507 | WNW | 303 | 0.00 | 16.11 | - | - | 10 10 |
| Suscol Upper (Ranch 92) | 4/14/26 | 62.5 3.6 | 1414 | 44.4 0.4 | 0611 | 38.6 5.9 | 100 0 | 3 0 | 3.0 | 21.4 5.6 | 1439 | SW | 236 | 0.00 | 19.99 | - | - | 10 10 |
| Stanly (Ranch 45) | 4/14/26 | 65.6 0.7 | 1418 | 38.5 3.3 | 0456 | 44.5 1.3 | 98 0 | 48 3 | 4.5 | 16.7 0.5 | 1753 | SW | 235 | 0.09 | 22.13 | 0.154 0.007 | 602 51 | 50 10 |
| Carneros Upper (Ranch 81) | 4/14/26 | 63.4 4.0 | 1436 | 45.7 0.6 | 0646 | 45.3 0.4 | - | - | 7.0 | 23.6 0.4 | 1750 | W | 264 | - | - | - | - | 10 10 |
| Carneros (Mitsuko) | 4/14/26 | 67.0 0.9 | 1352 | 35.0 4.2 | 0555 | - | - | - | - | - | - | - | - | - | - | - | 0 0 |
| Carneros Lower (Ranch 81) | 4/14/26 | 67.3 1.9 | 1505 | 39.3 2.8 | 0637 | 40.6 1.9 | 100 0 | 0 0 | 0.7 | 14.1 3.4 | 1357 | NW | 312 | 0.00 | 17.96 | 0.111 0.002 | 422 8 | 0 0 |
| Carneros (Milton Rd) | 4/14/26 | 66.9 1.2 | 1344 | 38.3 3.8 | 0548 | 43.9 1.8 | 96 0 | 47 2 | - | - | - | - | 0.00 | 18.04 | - | - | 0 0 |
| Max | 71.0 | - | 45.7 | - | 47.1 | 100 | 58 | 7.0 | 23.6 | - | - | 0.09 | 31.92 | 0.154 | 613 | - | |
| Avg | - | - | - | - | 42.3 | - | - | 3.3 | - | - | - | - | - | - | - | - | |
| Min | 60.5 | - | 34.4 | - | 15.2 | 94 | 0 | 0.7 | 12.4 | - | - | 0.00 | 7.63 | 0.070 | 252 | - |