| 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 | 4/19/26 | 66.9 3.6 | 1535 | 40.1 2.9 | 0621 | - | - | - | - | - | - | - | 0.00 | 47.36 | - | - | 0 0 |
| Pope Valley (Weeks Lake) | 4/19/26 | 74.3 0.8 | 1535 | 38.6 3.7 | 0633 | 38.9 1.1 | 100 0 | 19 1 | 2.1 | 15.1 3.5 | 1541 | SSW | 199 | 0.00 | 24.05 | 0.167 0.011 | 528 3 | 50 20 |
| Dollarhide Base | 4/19/26 | 75.8 1.8 | 1451 | 44.3 5.8 | 0651 | 40.6 0.4 | 97 1 | 23 4 | 3.7 | 16.8 2.8 | 1413 | S | 188 | 0.00 | 21.37 | 0.199 0.014 | 593 1 | 60 20 |
| Dollarhide 1AS Remote | 4/19/26 | 75.4 2.0 | 1528 | 41.1 6.5 | 0630 | 40.9 0.4 | 95 0 | 24 5 | 2.5 | 15.0 2.3 | 1346 | SW | 225 | - | - | - | - | 50 20 |
| Dollarhide 17B Remote | 4/19/26 | 77.1 0.9 | 1529 | 41.6 7.2 | 0635 | 42.2 0.4 | 99 0 | 25 6 | - | - | - | - | - | - | - | - | 60 20 |
| Dollarhide 18A Remote | 4/19/26 | 75.8 1.6 | 1513 | 38.2 4.3 | 0626 | 40.6 0.3 | 100 0 | 25 7 | - | - | - | - | - | - | - | - | 20 10 |
| Angwin | 4/19/26 | 65.8 3.2 | 1511 | 46.3 3.0 | 0059 | 26.2 4.7 | 57 0 | 17 0 | 4.4 | 17.5 5.7 | 2248 | SSE | 148 | 0.00 | 42.26 | 0.064 0.007 | 0 0 | 0 0 |
| Lower Angwin (Pioneer) | 4/19/26 | 68.4 3.1 | 1451 | 40.7 1.0 | 0626 | - | - | - | 3.0 | 14.2 3.3 | 1645 | SW | 228 | - | - | - | - | 0 0 |
| Deer Park | 4/19/26 | 75.0 1.9 | 1520 | 48.2 1.5 | 0625 | 38.3 2.2 | 83 9 | 18 2 | 2.9 | 14.5 1.8 | 1436 | SW | 227 | 0.00 | 26.38 | 0.143 0.003 | 387 15 | 20 10 |
| Lower Chiles Valley (Brown) | 4/19/26 | 71.8 3.5 | 1538 | 39.1 6.6 | 0659 | 35.3 1.3 | 96 4 | 13 1 | 2.5 | 16.7 5.7 | 1709 | WNW | 297 | 0.00 | 23.68 | 0.176 0.010 | 563 3 | 0 0 |
| Moss Creek Vineyard/Reservior | 4/19/26 | 75.2 3.0 | 1401 | 42.9 6.5 | 0616 | 33.8 3.7 | 93 2 | 11 1 | - | - | - | - | 0.00 | 25.15 | - | - | 30 10 |
| Max | 77.1 | - | 48.2 | - | 42.2 | 100 | 25 | 4.4 | 17.5 | - | - | 0.00 | 47.36 | 0.199 | 593 | - | |
| Avg | - | - | - | - | 37.4 | - | - | 3.0 | - | - | - | - | - | - | - | - | |
| Min | 65.8 | - | 38.2 | - | 26.2 | 57 | 11 | 2.1 | 14.2 | - | - | 0.00 | 21.37 | 0.064 | 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 | 4/19/26 | 76.7 5.8 | 1507 | 43.2 5.8 | 0708 | 39.7 1.0 | 96 0 | 14 5 | - | - | - | - | 0.00 | 30.66 | - | - | 50 10 |
| Diamond Mtn (Schramsberg) | 4/19/26 | 71.4 3.1 | 1423 | 48.7 0.7 | 2341 | 38.0 3.1 | 76 6 | 14 2 | - | - | - | - | 0.00 | 29.18 | - | - | 0 0 |
| Diamond Mtn (McEachran) | 4/19/26 | 73.6 3.2 | 1410 | 48.3 4.0 | 0710 | 36.8 0.1 | 76 2 | 13 2 | - | - | - | - | - | - | - | - | 20 10 |
| St. Helena-North | 4/19/26 | 76.0 2.4 | 1441 | 44.7 6.2 | 0629 | 36.4 1.7 | 85 1 | 11 1 | 1.7 | 14.0 1.5 | 1444 | SSE | 159 | 0.00 | 28.40 | 0.141 0.017 | 432 18 | 50 10 |
| St. Helena (NVV Office) | 4/19/26 | 78.1 1.5 | 1515 | 46.2 6.7 | 0632 | - | - | - | 1.0 | 9.6 1.0 | 1702 | SW | 230 | 0.00 | 26.38 | - | - | 90 20 |
| Tiara Fria (East St. Helena) | 4/19/26 | 76.0 2.0 | 1458 | 46.5 7.4 | 0644 | 39.7 1.9 | 93 0 | 15 3 | 2.3 | 17.1 5.9 | 1703 | SW | 216 | 0.00 | 24.36 | - | - | 50 10 |
| Rutherford Hill Estate | 4/19/26 | 76.8 2.3 | 1524 | 48.1 4.3 | 0650 | 40.3 3.8 | 88 15 | 17 4 | 1.7 | 14.2 3.7 | 1549 | S | 188 | 0.00 | 23.16 | 0.150 0.002 | 482 13 | 50 10 |
| Rutherford-North (Mee Ln) | 4/19/26 | 76.7 1.2 | 1552 | 42.8 6.9 | 0638 | 41.1 2.1 | 95 0 | 17 3 | 2.4 | 13.2 0.4 | 1327 | ESE | 110 | 0.00 | 22.65 | 0.159 0.002 | 484 13 | 60 10 |
| Rutherford (STS) | 4/19/26 | 77.7 2.5 | 1519 | 44.0 7.5 | 0650 | 42.4 1.5 | 91 1 | 21 3 | 1.8 | 12.7 1.3 | 1417 | WSW | 256 | 0.00 | 23.91 | 0.176 0.006 | 576 10 | 90 20 |
| Oakville-NE (Ranch 88) | 4/19/26 | 77.7 1.2 | 1511 | 43.0 7.2 | 0639 | 38.6 2.1 | 92 0 | 15 6 | 2.3 | 20.5 6.2 | 1342 | S | 176 | 0.00 | 23.05 | 0.175 0.004 | 532 6 | 0 0 |
| OV561-East | 4/19/26 | 76.7 2.2 | 1624 | 44.0 6.1 | 0640 | - | - | - | - | - | - | - | - | - | - | - | 10 10 |
| Oakville | 4/19/26 | 76.0 1.9 | 1358 | 43.8 7.5 | 0634 | 39.8 2.6 | 96 1 | 16 7 | 3.1 | 17.1 4.0 | 1619 | SSW | 201 | 0.00 | 23.59 | 0.187 0.009 | 568 6 | 50 10 |
| OV518-West | 4/19/26 | 75.2 2.4 | 1419 | 44.3 6.7 | 0630 | - | - | - | - | - | - | - | - | - | - | - | 20 10 |
| To Kalon Remote (TKKE) | 4/19/26 | 77.5 2.4 | 1431 | 42.7 6.1 | 0625 | - | - | - | - | - | - | - | - | - | - | - | 90 20 |
| To Kalon | 4/19/26 | 76.0 2.0 | 1400 | 44.0 6.7 | 0637 | 40.2 2.4 | 95 3 | 16 3 | 2.5 | 14.8 2.6 | 1209 | SE | 144 | 0.00 | 25.72 | 0.170 0.001 | 525 6 | 20 10 |
| To Kalon Remote (TKN5) | 4/19/26 | 76.8 2.7 | 1423 | 43.6 6.8 | 0636 | - | - | - | - | - | - | - | - | - | - | - | 70 20 |
| Yountville (Ranch 67) | 4/19/26 | 73.6 3.9 | 1426 | 44.0 7.5 | 0655 | 39.0 3.1 | 95 1 | 16 6 | 3.2 | 15.5 2.8 | 1604 | SSE | 164 | 0.00 | 21.74 | 0.181 0.004 | 587 21 | 50 10 |
| Stags Leap Dist (Silverado Vineyards) | 4/19/26 | 73.2 3.4 | 1445 | 43.2 7.8 | 0655 | 39.2 2.8 | 96 1 | 12 2 | 2.7 | 14.9 2.1 | 1218 | NNE | 33 | 0.00 | 25.83 | 0.172 0.012 | 541 34 | 30 20 |
| Borreo (Soda Canyon) | 4/19/26 | 71.2 4.5 | 1516 | 43.2 5.9 | 0622 | 38.0 1.8 | 92 4 | 17 7 | 2.0 | 11.0 1.6 | 1501 | SSE | 164 | 0.00 | 25.72 | 0.169 0.002 | 587 3 | 20 20 |
| Wappo Hill Floor | 4/19/26 | 75.0 4.1 | 1357 | 42.4 7.0 | 0635 | 40.0 2.4 | 100 0 | 17 7 | 2.8 | 15.6 4.1 | 1529 | SE | 130 | 0.00 | 25.08 | 0.176 0.006 | 536 18 | 90 20 |
| Stags Leap Dist (Chimney Rock) | 4/19/26 | 73.6 4.2 | 1423 | 42.7 7.9 | 0558 | 42.1 2.1 | 100 1 | 22 8 | 2.8 | 15.4 3.4 | 1437 | S | 184 | 0.00 | 24.37 | 0.163 0.004 | 501 7 | 50 10 |
| Yountville-South (Ranch 87) | 4/19/26 | 74.6 3.7 | 1535 | 43.9 7.0 | 0643 | 40.1 1.7 | 100 0 | 18 8 | 2.5 | 14.0 1.1 | 1415 | SSE | 150 | 0.00 | 25.67 | 0.177 0.006 | 553 14 | 80 20 |
| Yountville-SE (Ranch 85) | 4/19/26 | 74.5 4.6 | 1617 | 44.6 7.0 | 0656 | 41.0 1.9 | 100 4 | 17 6 | 2.0 | 13.4 4.7 | 1448 | SSE | 157 | 0.00 | 23.95 | - | 0 0 | 30 10 |
| Oak Knoll-East (Ranch 53) | 4/19/26 | 74.4 4.4 | 1522 | 44.8 6.9 | 0602 | 38.7 1.3 | 93 0 | 16 6 | 2.0 | 11.9 1.8 | 1547 | S | 178 | 0.00 | 22.43 | 0.178 0.005 | 583 16 | 60 20 |
| Napa-NW (Ranch 54) | 4/19/26 | 76.6 3.7 | 1552 | 46.4 7.8 | 0603 | 37.6 0.4 | 86 2 | 15 4 | 0.8 | 9.0 1.2 | 1534 | SSW | 208 | 0.00 | 24.86 | - | 0 0 | 90 20 |
| Napa-North (Ranch 29) | 4/19/26 | 73.7 4.7 | 1553 | 45.9 7.1 | 0708 | 41.1 2.0 | 100 0 | 13 1 | 2.0 | 13.0 2.6 | 1528 | SSW | 210 | 0.00 | 22.49 | 0.126 0.013 | 355 59 | 60 10 |
| Max | 78.1 | - | 48.7 | - | 42.4 | 100 | 22 | 3.2 | 20.5 | - | - | 0.00 | 30.66 | 0.187 | 587 | - | |
| Avg | - | - | - | - | 39.5 | - | - | 2.2 | - | - | - | - | - | - | - | - | |
| Min | 71.2 | - | 42.4 | - | 36.4 | 76 | 11 | 0.8 | 9.0 | - | - | 0.00 | 21.74 | 0.126 | 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 | 4/19/26 | 68.3 2.3 | 1158 | 49.0 3.3 | 0034 | 27.2 4.1 | 57 7 | 13 2 | 2.0 | 14.0 3.7 | 1610 | S | 175 | 0.00 | 31.92 | 0.222 0.002 | 930 69 | 0 0 |
| Mount George (Napa East) | 4/19/26 | 72.1 4.4 | 1530 | 46.0 7.8 | 0650 | 40.1 2.7 | 100 3 | 11 2 | 1.6 | 11.5 1.7 | 1343 | W | 274 | 0.00 | 14.31 | 0.162 0.000 | 564 8 | 50 10 |
| Napa-East (Palmaz 300') | 4/19/26 | 74.6 4.3 | 1515 | 46.1 7.0 | 0626 | 39.1 1.9 | 94 1 | 9 4 | 2.2 | 13.4 3.0 | 1447 | SSE | 158 | 0.00 | 20.64 | 0.146 0.002 | 457 9 | 60 10 |
| Napa-East (Palmaz 1200') | 4/19/26 | 68.1 4.1 | 1617 | 42.8 3.9 | 0559 | 34.9 0.1 | 81 1 | 13 4 | 2.4 | 12.5 0.7 | 1442 | NW | 310 | - | - | 0.155 0.009 | 543 7 | 0 0 |
| Napa-East (Palmaz 1400') | 4/19/26 | 68.4 5.0 | 1415 | 42.7 5.0 | 0602 | 35.6 0.4 | 84 1 | 16 1 | 2.4 | 14.3 3.3 | 1426 | SSW | 206 | 0.00 | 27.92 | 0.156 0.008 | 534 12 | 0 0 |
| Wooden Valley | 4/19/26 | 70.4 4.7 | 1555 | 40.3 6.7 | 0611 | 35.2 2.0 | 95 3 | 13 0 | 3.1 | 15.9 3.4 | 1527 | SW | 221 | 0.00 | 26.48 | 0.182 0.019 | 590 29 | 0 0 |
| Napa-West Upper (Truchard) | 4/19/26 | 73.7 5.2 | 1508 | 49.1 4.8 | 0548 | 40.3 1.9 | 94 16 | 14 2 | 3.7 | 16.3 3.7 | 1828 | SW | 234 | 0.00 | 22.19 | 0.192 0.011 | 572 26 | 10 10 |
| Napa-West Lower (Truchard) | 4/19/26 | 76.1 6.3 | 1412 | 41.5 6.7 | 0546 | 39.6 1.0 | 100 0 | 13 1 | - | - | - | - | - | - | - | - | 90 20 |
| Napa-South (Toyon Farms) | 4/19/26 | 72.7 6.5 | 1452 | 47.6 6.3 | 0700 | 44.9 0.9 | 99 7 | 17 3 | 3.0 | 14.3 3.9 | 1718 | SSE | 165 | 0.00 | 15.95 | 0.102 0.010 | 274 29 | 30 10 |
| Toyon Remote 1 | 4/19/26 | 73.5 5.6 | 1259 | 41.1 8.1 | 0704 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 2 | 4/19/26 | 72.5 5.6 | 1521 | 42.2 5.6 | 0549 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 3 | 4/19/26 | 73.9 5.5 | 1531 | 43.9 7.1 | 0534 | - | - | - | - | - | - | - | - | - | - | - | - |
| Dealy Lane (Ranch 80) | 4/19/26 | 73.6 3.9 | 1707 | 46.6 6.5 | 2353 | 40.4 0.7 | 91 2 | 14 1 | 2.5 | 12.9 3.3 | 1455 | SSE | 152 | 0.00 | 21.57 | 0.172 0.005 | 574 22 | 90 10 |
| Carneros (Saintsbury) | 4/19/26 | 71.0 5.9 | 1517 | 43.8 4.7 | 0654 | 42.0 1.2 | 96 7 | 12 2 | 3.2 | 13.2 2.8 | 1502 | SE | 129 | 0.00 | 7.63 | - | - | 10 10 |
| Suscol Lower (Ranch 35) | 4/19/26 | 72.2 5.6 | 1515 | 46.4 7.9 | 0549 | 41.0 2.3 | - | - | 4.3 | 18.5 6.1 | 1714 | S | 179 | 0.00 | 20.34 | 0.171 0.001 | 514 4 | 20 10 |
| Suscol Mtn (Ranch 93) | 4/19/26 | 73.5 4.3 | 1355 | 50.2 3.7 | 0511 | 37.4 1.9 | 83 9 | 10 4 | 4.1 | 16.8 3.0 | 1751 | SSW | 204 | 0.00 | 16.11 | - | - | 10 10 |
| Suscol Upper (Ranch 92) | 4/19/26 | 71.4 4.7 | 1500 | 50.3 2.5 | 0531 | 38.3 1.8 | 85 7 | 8 6 | 1.4 | 16.0 4.9 | 1715 | SSE | 164 | 0.00 | 19.99 | - | - | 10 10 |
| Stanly (Ranch 45) | 4/19/26 | 72.3 8.8 | 1522 | 43.5 4.7 | 0616 | 42.4 1.9 | 95 1 | 9 5 | 4.7 | 18.5 8.2 | 1718 | SSW | 205 | 0.00 | 22.18 | 0.194 0.005 | 610 20 | 60 10 |
| Carneros Upper (Ranch 81) | 4/19/26 | 73.1 4.5 | 1620 | 49.9 1.6 | 0443 | 38.6 1.2 | - | - | 4.1 | 18.6 7.0 | 1743 | WSW | 242 | - | - | - | - | 10 10 |
| Carneros (Mitsuko) | 4/19/26 | 73.1 5.1 | 1550 | 40.6 5.3 | 0546 | - | - | - | - | - | - | - | - | - | - | - | 10 10 |
| Carneros Lower (Ranch 81) | 4/19/26 | 73.3 5.8 | 1253 | 43.6 5.0 | 0543 | 40.5 0.8 | 100 0 | 0 0 | 1.2 | 12.7 3.0 | 1413 | SSE | 148 | 0.00 | 17.96 | 0.145 0.004 | 494 21 | 10 10 |
| Carneros (Milton Rd) | 4/19/26 | 72.4 5.2 | 1529 | 42.0 4.7 | 0536 | 42.3 1.7 | 96 2 | 7 9 | - | - | - | - | 0.00 | 18.04 | - | - | 10 10 |
| Max | 76.1 | - | 50.3 | - | 44.9 | 100 | 17 | 4.7 | 18.6 | - | - | 0.00 | 31.92 | 0.222 | 930 | - | |
| Avg | - | - | - | - | 38.9 | - | - | 2.9 | - | - | - | - | - | - | - | - | |
| Min | 68.1 | - | 40.3 | - | 27.2 | 57 | 0 | 1.2 | 11.5 | - | - | 0.00 | 7.63 | 0.102 | 274 | - |