| 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 | 4/29/26 | 74.9 4.8 | 1546 | 41.6 3.8 | 0441 | - | - | - | - | - | - | - | 0.00 | 49.63 | - | - | 0 0 |
| Pope Valley (Weeks Lake) | 4/29/26 | 79.9 5.7 | 1528 | 36.9 1.6 | 0622 | 45.1 1.8 | 100 0 | 29 0 | 1.6 | 13.4 1.1 | 1550 | WSW | 253 | 0.00 | 25.63 | 0.185 0.011 | 595 5 | 40 20 |
| Dollarhide Base | 4/29/26 | 81.1 5.5 | 1521 | 43.9 2.9 | 0535 | 48.2 0.9 | 100 0 | 21 14 | 2.7 | 15.0 0.7 | 1727 | SW | 224 | 0.00 | 22.64 | 0.217 0.019 | 678 10 | 50 20 |
| Dollarhide 1AS Remote | 4/29/26 | 81.9 4.6 | 1537 | 39.2 1.9 | 0547 | 46.5 0.6 | 95 0 | 25 9 | 1.9 | 13.9 0.8 | 1741 | SW | 235 | - | - | - | - | 40 20 |
| Dollarhide 17B Remote | 4/29/26 | 81.4 5.0 | 1529 | 40.3 2.5 | 0604 | 48.1 1.1 | 100 0 | 22 12 | - | - | - | - | - | - | - | - | 40 20 |
| Dollarhide 18A Remote | 4/29/26 | 81.3 5.4 | 1625 | 36.1 1.5 | 0616 | 46.0 0.7 | 100 0 | 23 13 | - | - | - | - | - | - | - | - | 20 20 |
| Angwin | 4/29/26 | 71.4 5.5 | 1446 | 50.9 5.1 | 0607 | 42.5 0.3 | 71 18 | 29 9 | 3.3 | 12.6 1.1 | 1816 | WNW | 282 | 0.00 | 44.48 | 0.043 0.013 | 0 0 | 0 0 |
| Lower Angwin (Pioneer) | 4/29/26 | 73.9 5.7 | 1528 | 42.3 5.1 | 0358 | - | - | - | 2.6 | 13.2 0.4 | 1639 | WSW | 246 | - | - | - | - | 0 0 |
| Deer Park | 4/29/26 | 79.1 4.6 | 1539 | 47.1 2.7 | 0644 | 46.0 0.9 | 89 6 | 30 2 | 3.1 | 13.8 0.2 | 1544 | WNW | 292 | 0.00 | 28.19 | 0.160 0.012 | 439 9 | 20 20 |
| Lower Chiles Valley (Brown) | 4/29/26 | 78.0 5.1 | 1516 | 36.6 2.0 | 0532 | 44.5 1.1 | 100 0 | 23 11 | 1.7 | 15.1 2.2 | 1317 | NW | 315 | 0.00 | 25.25 | 0.193 0.017 | 646 19 | 20 20 |
| Moss Creek Vineyard/Reservior | 4/29/26 | 81.2 6.0 | 1440 | 41.1 2.0 | 0531 | 46.4 1.2 | 100 0 | 27 7 | - | - | - | - | 0.00 | 26.50 | - | - | 20 20 |
| Max | 81.9 | - | 50.9 | - | 48.2 | 100 | 30 | 3.3 | 15.1 | - | - | 0.00 | 49.63 | 0.217 | 678 | - | |
| Avg | - | - | - | - | 45.9 | - | - | 2.4 | - | - | - | - | - | - | - | - | |
| Min | 71.4 | - | 36.1 | - | 42.5 | 71 | 21 | 1.6 | 12.6 | - | - | 0.00 | 22.64 | 0.043 | 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 | 4/29/26 | 83.8 4.6 | 1504 | 43.5 3.8 | 0615 | 48.4 1.9 | 98 1 | 29 3 | - | - | - | - | 0.00 | 32.32 | - | - | 40 20 |
| Diamond Mtn (Schramsberg) | 4/29/26 | 78.0 5.6 | 1445 | 47.7 2.4 | 0559 | 45.7 1.0 | 89 6 | 30 5 | - | - | - | - | 0.00 | 30.72 | - | - | 20 20 |
| Diamond Mtn (McEachran) | 4/29/26 | 77.5 4.2 | 1258 | 47.0 3.3 | 0537 | 45.9 0.9 | 91 4 | 29 5 | - | - | - | - | - | - | - | - | 20 20 |
| St. Helena-North | 4/29/26 | 82.0 5.9 | 1414 | 43.8 2.8 | 0619 | 44.2 1.1 | 92 8 | 25 3 | 2.3 | 13.8 0.0 | 1611 | NNW | 336 | 0.00 | 30.46 | 0.170 0.019 | 516 21 | 40 20 |
| St. Helena (NVV Office) | 4/29/26 | 83.9 5.7 | 1427 | 45.1 3.6 | 0632 | - | - | - | 1.6 | 10.7 1.1 | 1615 | W | 279 | 0.00 | 27.95 | - | - | 80 20 |
| Tiara Fria (East St. Helena) | 4/29/26 | 81.1 5.1 | 1517 | 44.4 2.7 | 0625 | 46.1 0.9 | 95 1 | 26 5 | 2.7 | 14.5 0.2 | 1704 | W | 274 | 0.00 | 25.95 | - | - | 40 20 |
| Rutherford Hill Estate | 4/29/26 | 82.5 6.4 | 1524 | 47.0 3.4 | 0625 | 46.8 0.8 | 90 10 | 30 2 | 1.7 | 10.7 2.2 | 1526 | SSW | 202 | 0.00 | 24.50 | 0.174 0.014 | 565 22 | 40 20 |
| Rutherford-North (Mee Ln) | 4/29/26 | 81.4 4.5 | 1629 | 40.8 2.3 | 0631 | 46.7 1.3 | 96 0 | 30 1 | 2.5 | 12.5 2.0 | 1344 | S | 187 | 0.00 | 23.98 | 0.176 0.008 | 559 6 | 50 20 |
| Rutherford (STS) | 4/29/26 | 81.7 5.3 | 1526 | 42.5 2.2 | 0628 | 48.6 1.2 | 91 0 | 30 9 | 2.6 | 16.5 2.0 | 1601 | WSW | 257 | 0.00 | 25.26 | 0.201 0.022 | 652 32 | 80 20 |
| Oakville-NE (Ranch 88) | 4/29/26 | 81.7 5.1 | 1606 | 42.1 3.3 | 0626 | 45.6 1.4 | 98 0 | 25 5 | 2.1 | 15.4 3.3 | 1549 | WNW | 285 | 0.00 | 24.39 | 0.192 0.020 | 621 29 | 0 0 |
| OV561-East | 4/29/26 | 82.4 4.9 | 1535 | 43.4 3.7 | 0647 | - | - | - | - | - | - | - | - | - | - | - | 20 20 |
| Oakville | 4/29/26 | 80.5 5.6 | 1549 | 43.4 4.5 | 0640 | 46.3 1.1 | 97 0 | 28 5 | 3.5 | 16.7 3.9 | 1556 | W | 260 | 0.00 | 24.96 | 0.199 0.014 | 642 4 | 20 20 |
| OV518-West | 4/29/26 | 79.2 5.2 | 1436 | 44.3 3.7 | 0645 | - | - | - | - | - | - | - | - | - | - | - | 40 20 |
| To Kalon Remote (TKKE) | 4/29/26 | 82.0 5.4 | 1426 | 42.5 4.6 | 0629 | - | - | - | - | - | - | - | - | - | - | - | 80 20 |
| To Kalon | 4/29/26 | 79.9 5.5 | 1536 | 42.7 3.2 | 0624 | 47.2 1.5 | 98 1 | 32 2 | 3.0 | 16.9 5.6 | 1733 | WSW | 251 | 0.00 | 27.15 | 0.184 0.023 | 587 32 | 20 20 |
| To Kalon Remote (TKN5) | 4/29/26 | 82.3 7.0 | 1446 | 41.5 2.7 | 0629 | - | - | - | - | - | - | - | - | - | - | - | 40 20 |
| Yountville (Ranch 67) | 4/29/26 | 79.0 5.0 | 1512 | 43.0 4.2 | 0635 | 46.2 1.4 | 96 1 | 24 11 | 2.7 | 17.6 5.7 | 1639 | ENE | 67 | 0.00 | 23.06 | 0.198 0.009 | 682 17 | 20 20 |
| Stags Leap Dist (Silverado Vineyards) | 4/29/26 | 78.2 4.2 | 1524 | 42.9 4.0 | 0643 | 46.7 1.5 | 96 0 | 34 1 | 2.3 | 16.7 4.6 | 1606 | SE | 130 | 0.00 | 27.09 | 0.191 0.016 | 628 2 | 0 0 |
| Borreo (Soda Canyon) | 4/29/26 | 75.9 4.0 | 1455 | 42.1 2.3 | 0601 | 46.2 1.3 | 98 0 | 35 1 | 1.9 | 13.3 1.5 | 1647 | S | 178 | 0.00 | 27.02 | 0.190 0.013 | 665 16 | 0 0 |
| Wappo Hill Floor | 4/29/26 | 80.4 5.8 | 1519 | 41.2 3.8 | 0628 | 47.4 1.3 | 100 0 | 35 2 | 2.7 | 17.4 5.2 | 1656 | SE | 130 | 0.00 | 26.26 | 0.191 0.020 | 610 28 | 50 20 |
| Stags Leap Dist (Chimney Rock) | 4/29/26 | 79.3 5.5 | 1508 | 41.7 4.0 | 0632 | 48.8 1.5 | 100 0 | 40 1 | 2.9 | 14.4 1.5 | 1710 | SSE | 147 | 0.00 | 25.63 | 0.177 0.016 | 575 15 | 20 20 |
| Yountville-South (Ranch 87) | 4/29/26 | 79.8 5.2 | 1500 | 42.4 2.5 | 0633 | 48.1 1.1 | 100 0 | 33 3 | 2.2 | 15.6 4.0 | 1607 | S | 179 | 0.00 | 26.90 | 0.190 0.017 | 625 21 | 70 20 |
| Yountville-SE (Ranch 85) | 4/29/26 | 80.0 5.2 | 1503 | 42.6 2.4 | 0621 | 47.9 1.2 | 100 0 | 35 1 | 2.5 | 12.7 1.0 | 1811 | SE | 137 | 0.00 | 25.19 | - | 0 0 | 20 20 |
| Oak Knoll-East (Ranch 53) | 4/29/26 | 79.8 4.1 | 1438 | 43.0 3.4 | 0633 | 47.0 1.4 | 95 1 | 25 8 | 2.2 | 14.1 1.9 | 1646 | S | 171 | 0.00 | 23.77 | 0.195 0.012 | 658 8 | 50 20 |
| Napa-NW (Ranch 54) | 4/29/26 | 80.9 4.8 | 1500 | 43.2 0.5 | 0620 | 46.6 0.5 | 100 0 | 22 11 | 1.2 | 13.5 3.5 | 1832 | W | 264 | 0.00 | 26.23 | - | 0 0 | 80 20 |
| Napa-North (Ranch 29) | 4/29/26 | 76.3 2.4 | 1442 | 43.4 2.4 | 0616 | 48.2 1.4 | 100 0 | 36 2 | 2.2 | 17.0 4.2 | 1601 | S | 173 | 0.00 | 24.67 | 0.127 0.009 | 384 12 | 20 20 |
| Max | 83.9 | - | 47.7 | - | 48.8 | 100 | 40 | 3.5 | 17.6 | - | - | 0.00 | 32.32 | 0.201 | 682 | - | |
| Avg | - | - | - | - | 46.9 | - | - | 2.4 | - | - | - | - | - | - | - | - | |
| Min | 75.9 | - | 40.8 | - | 44.2 | 89 | 22 | 1.2 | 10.7 | - | - | 0.00 | 23.06 | 0.127 | 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 | 4/29/26 | 73.6 6.6 | 1539 | 50.7 5.0 | 0425 | 42.5 1.5 | 74 11 | 25 21 | 1.8 | 12.4 0.3 | 1432 | SSE | 162 | 0.00 | 33.62 | 0.233 0.008 | 876 140 | 0 0 |
| Mount George (Napa East) | 4/29/26 | 77.5 4.0 | 1449 | 43.4 0.8 | 0625 | 50.0 0.1 | 100 0 | 39 4 | 1.4 | 11.2 0.9 | 1554 | S | 173 | 0.00 | 16.54 | 0.183 0.007 | 630 2 | 30 20 |
| Napa-East (Palmaz 300') | 4/29/26 | 77.2 3.3 | 1447 | 43.6 2.6 | 0625 | 47.7 1.6 | 100 0 | 35 4 | 1.8 | 13.6 3.6 | 1611 | SW | 233 | 0.00 | 22.81 | 0.159 0.007 | 529 2 | 20 20 |
| Napa-East (Palmaz 1200') | 4/29/26 | 71.6 3.2 | 1512 | 42.9 4.0 | 0549 | 45.7 2.5 | 100 0 | 14 20 | 2.6 | 12.4 0.5 | 1519 | WNW | 300 | - | - | 0.172 0.023 | 638 54 | 0 0 |
| Napa-East (Palmaz 1400') | 4/29/26 | 72.5 5.1 | 1512 | 42.2 1.4 | 0612 | 45.9 0.2 | 100 0 | 38 3 | 2.6 | 15.0 2.3 | 1724 | WSW | 240 | 0.00 | 30.26 | 0.179 0.021 | 637 33 | 0 0 |
| Wooden Valley | 4/29/26 | 75.4 4.6 | 1502 | 41.2 2.8 | 0511 | 45.8 1.4 | 98 0 | 34 2 | 4.1 | 20.9 7.0 | 1732 | SSW | 200 | 0.00 | 28.57 | 0.181 0.010 | 665 51 | 20 20 |
| Napa-West Upper (Truchard) | 4/29/26 | 77.1 3.2 | 1419 | 46.3 2.0 | 0507 | 48.5 15.2 | 100 0 | 33 33 | 3.6 | 18.2 2.3 | 1643 | SSW | 192 | 0.00 | 23.93 | 0.196 0.012 | 644 14 | 20 20 |
| Napa-West Lower (Truchard) | 4/29/26 | 79.0 2.2 | 1432 | 39.7 2.2 | 0550 | 45.9 1.5 | 100 0 | 30 1 | - | - | - | - | - | - | - | - | 80 20 |
| Napa-South (Toyon Farms) | 4/29/26 | 75.1 1.6 | 1423 | 45.8 2.3 | 0623 | 50.5 1.7 | 100 0 | 44 5 | 2.9 | 15.5 2.3 | 1615 | SSE | 165 | 0.00 | 17.89 | 0.095 0.004 | 295 5 | 0 0 |
| Toyon Remote 1 | 4/29/26 | 75.7 0.4 | 1429 | 37.9 1.8 | 0534 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 2 | 4/29/26 | 75.7 1.8 | 1629 | 41.8 3.4 | 0543 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 3 | 4/29/26 | 77.0 0.5 | 1627 | 41.9 2.2 | 0556 | - | - | - | - | - | - | - | - | - | - | - | - |
| Dealy Lane (Ranch 80) | 4/29/26 | 76.8 2.7 | 1426 | 42.9 0.2 | 0620 | 47.6 1.6 | 96 0 | 38 7 | 2.4 | 15.6 2.6 | 1816 | W | 267 | 0.00 | 23.12 | 0.184 0.011 | 641 14 | 0 0 |
| Carneros (Saintsbury) | 4/29/26 | 73.9 0.5 | 1410 | 42.6 2.1 | 0641 | 48.0 1.9 | 100 0 | 40 9 | 4.1 | 22.6 6.9 | 1820 | WSW | 255 | 0.00 | 8.68 | - | - | 0 0 |
| Suscol Lower (Ranch 35) | 4/29/26 | 74.7 2.0 | 1420 | 43.3 3.0 | 0507 | 47.9 2.1 | - | - | 4.1 | 15.7 2.2 | 1608 | SSW | 211 | 0.00 | 22.41 | 0.173 0.006 | 592 8 | 0 0 |
| Suscol Mtn (Ranch 93) | 4/29/26 | 77.3 5.1 | 1439 | 47.6 1.0 | 0450 | 47.4 1.8 | 90 2 | 39 7 | 3.6 | 19.9 2.0 | 1723 | NW | 311 | 0.00 | 18.04 | - | - | 0 0 |
| Suscol Upper (Ranch 92) | 4/29/26 | 72.8 1.4 | 1446 | 47.7 1.4 | 0501 | 47.6 1.8 | 90 3 | 39 6 | 1.6 | 15.5 1.0 | 1634 | SW | 230 | 0.00 | 21.98 | - | - | 0 0 |
| Stanly (Ranch 45) | 4/29/26 | 74.3 1.1 | 1440 | 43.2 0.5 | 0631 | 47.9 1.9 | 96 0 | 37 7 | 4.6 | 19.1 4.6 | 1749 | W | 260 | 0.00 | 22.49 | 0.203 0.007 | 704 11 | 0 0 |
| Carneros Upper (Ranch 81) | 4/29/26 | 76.2 2.9 | 1432 | 48.3 1.0 | 0449 | 48.2 1.9 | - | - | 7.3 | 32.6 10.8 | 1826 | W | 261 | - | - | - | - | 0 0 |
| Carneros (Mitsuko) | 4/29/26 | 75.2 1.7 | 1412 | 39.9 2.0 | 0519 | - | - | - | - | - | - | - | - | - | - | - | 0 0 |
| Carneros Lower (Ranch 81) | 4/29/26 | 77.4 1.4 | 1619 | 43.2 2.9 | 0547 | 48.0 2.7 | 100 0 | 0 0 | 1.6 | 13.7 3.4 | 1728 | WNW | 301 | 0.00 | 19.29 | 0.160 0.008 | 558 6 | 0 0 |
| Carneros (Milton Rd) | 4/29/26 | 73.5 0.9 | 1645 | 40.5 1.6 | 0530 | 48.0 2.0 | 95 1 | 44 10 | - | - | - | - | 0.00 | 18.07 | - | - | 0 0 |
| Max | 79.0 | - | 50.7 | - | 50.5 | 100 | 44 | 7.3 | 32.6 | - | - | 0.00 | 33.62 | 0.233 | 876 | - | |
| Avg | - | - | - | - | 47.4 | - | - | 3.1 | - | - | - | - | - | - | - | - | |
| Min | 71.6 | - | 37.9 | - | 42.5 | 74 | 0 | 1.4 | 11.2 | - | - | 0.00 | 8.68 | 0.095 | 295 | - |