| 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 | 4/22/26 | 59.6 4.0 | 1700 | 39.8 1.3 | 0026 | - | - | - | - | - | - | - | 0.47 | 49.62 | - | - | 0 0 |
| Pope Valley (Weeks Lake) | 4/22/26 | 63.3 0.4 | 1709 | 38.7 0.9 | 0039 | 46.2 0.5 | 100 0 | 48 2 | 1.7 | 11.8 5.3 | 1631 | ESE | 110 | 0.33 | 25.62 | 0.081 0.011 | 316 3 | 20 10 |
| Dollarhide Base | 4/22/26 | 64.1 1.3 | 1528 | 45.8 1.2 | 2336 | 48.4 0.2 | 100 0 | 55 3 | 3.6 | 15.6 10.4 | 1405 | NE | 56 | 0.22 | 22.62 | 0.102 0.003 | 413 70 | 30 10 |
| Dollarhide 1AS Remote | 4/22/26 | 66.1 3.9 | 1821 | 42.3 1.7 | 0049 | 47.8 0.4 | 94 0 | 49 3 | 2.0 | 11.5 10.9 | 1422 | ENE | 64 | - | - | - | - | 20 10 |
| Dollarhide 17B Remote | 4/22/26 | 66.5 3.8 | 1620 | 42.3 2.2 | 0048 | 48.5 0.2 | 100 0 | 53 1 | - | - | - | - | - | - | - | - | 30 10 |
| Dollarhide 18A Remote | 4/22/26 | 66.1 4.6 | 1812 | 40.5 1.1 | 0036 | 47.6 0.1 | 100 0 | 49 5 | - | - | - | - | - | - | - | - | 0 0 |
| Angwin | 4/22/26 | 55.9 3.9 | 1658 | 41.6 0.5 | 0353 | 44.4 1.5 | 100 0 | 59 3 | 2.9 | 11.3 8.5 | 1343 | NW | 319 | 0.46 | 44.46 | 0.005 0.007 | 0 0 | 0 0 |
| Lower Angwin (Pioneer) | 4/22/26 | 57.8 2.4 | 1721 | 40.8 1.8 | 0043 | - | - | - | 2.1 | 11.6 7.0 | 1439 | E | 82 | - | - | - | - | 0 0 |
| Deer Park | 4/22/26 | 64.4 2.4 | 1600 | 47.4 0.1 | 0500 | 47.8 1.6 | 98 1 | 49 4 | 2.5 | 11.7 8.1 | 1307 | SSE | 150 | 0.40 | 28.18 | 0.068 0.015 | 239 38 | 0 0 |
| Lower Chiles Valley (Brown) | 4/22/26 | 64.0 2.7 | 1704 | 39.5 5.6 | 0041 | 45.6 0.3 | 100 4 | 47 2 | 3.1 | 16.6 2.5 | 0900 | ESE | 120 | 0.26 | 25.25 | 0.102 0.007 | 401 48 | 0 0 |
| Moss Creek Vineyard/Reservior | 4/21/26 | 62.1 0.8 | 1407 | 46.0 4.6 | 2351 | 46.6 2.0 | 100 0 | 49 24 | - | - | - | - | 0.40 | 26.32 | - | - | 10 10 |
| Max | 66.5 | - | 47.4 | - | 48.5 | 100 | 59 | 3.6 | 16.6 | - | - | 0.47 | 49.62 | 0.102 | 413 | - | |
| Avg | - | - | - | - | 47.0 | - | - | 2.5 | - | - | - | - | - | - | - | - | |
| Min | 55.9 | - | 38.7 | - | 44.4 | 94 | 47 | 1.7 | 11.3 | - | - | 0.22 | 22.62 | 0.005 | 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 | 4/22/26 | 69.9 3.3 | 1637 | 46.3 0.1 | 0041 | 50.0 1.2 | 100 0 | 47 2 | - | - | - | - | 0.37 | 32.32 | - | - | 20 10 |
| Diamond Mtn (Schramsberg) | 4/22/26 | 62.7 1.8 | 1617 | 46.3 0.4 | 0317 | 47.6 1.0 | 100 0 | 51 2 | - | - | - | - | 0.38 | 30.72 | - | - | 0 0 |
| Diamond Mtn (McEachran) | 4/22/26 | 66.6 5.7 | 1727 | 47.0 0.8 | 0103 | 48.6 1.9 | 99 0 | 47 0 | - | - | - | - | - | - | - | - | 0 0 |
| St. Helena-North | 4/22/26 | 66.4 2.2 | 1726 | 47.2 1.8 | 0101 | 48.3 1.5 | 100 0 | 43 1 | 1.7 | 12.7 3.7 | 1250 | SSE | 156 | 0.52 | 30.46 | 0.082 0.006 | 304 17 | 20 10 |
| St. Helena (NVV Office) | 4/22/26 | 67.7 3.0 | 1705 | 48.0 0.6 | 0101 | - | - | - | 1.1 | 7.7 5.2 | 1901 | W | 272 | 0.35 | 27.95 | - | - | 60 10 |
| Tiara Fria (East St. Helena) | 4/22/26 | 65.8 2.9 | 1654 | 47.7 1.3 | 0101 | 49.0 1.0 | 96 0 | 45 4 | 2.0 | 9.6 8.6 | 1029 | SSE | 156 | 0.46 | 25.95 | - | - | 20 10 |
| Rutherford Hill Estate | 4/22/26 | 68.0 6.4 | 1706 | 48.6 0.3 | 0624 | 48.7 0.9 | 100 0 | 43 6 | 1.4 | 8.6 16.0 | 1408 | S | 191 | 0.26 | 24.50 | 0.092 0.003 | 351 8 | 20 10 |
| Rutherford-North (Mee Ln) | 4/22/26 | 69.8 6.0 | 1622 | 44.9 0.8 | 0049 | 47.4 1.3 | 98 1 | 41 6 | 2.2 | 10.5 11.0 | 1005 | S | 173 | 0.31 | 23.98 | 0.104 0.005 | 394 4 | 30 10 |
| Rutherford (STS) | 4/22/26 | 67.7 3.3 | 1618 | 47.3 0.7 | 0109 | 48.8 0.7 | 91 1 | 52 4 | 1.8 | 9.5 10.7 | 1651 | ENE | 70 | 0.29 | 25.26 | 0.118 0.004 | 459 31 | 60 10 |
| Oakville-NE (Ranch 88) | 4/22/26 | 68.7 4.4 | 1708 | 45.9 0.7 | 0050 | 48.3 0.2 | 100 0 | 42 4 | 1.4 | 9.0 7.6 | 1054 | SW | 218 | 0.31 | 24.39 | 0.106 0.005 | 396 14 | 0 0 |
| OV561-East | 4/22/26 | 69.8 5.0 | 1659 | 47.0 1.1 | 0059 | - | - | - | - | - | - | - | - | - | - | - | 0 0 |
| Oakville | 4/22/26 | 68.5 5.4 | 1655 | 46.5 1.6 | 0059 | 48.4 0.3 | 97 1 | 41 7 | 2.3 | 11.1 9.0 | 1636 | WSW | 243 | 0.30 | 24.96 | 0.116 0.002 | 446 3 | 20 10 |
| OV518-West | 4/22/26 | 66.9 4.4 | 1722 | 47.9 0.6 | 0052 | - | - | - | - | - | - | - | - | - | - | - | 0 0 |
| To Kalon Remote (TKKE) | 4/22/26 | 69.6 4.5 | 1700 | 46.6 0.5 | 0047 | - | - | - | - | - | - | - | - | - | - | - | 60 10 |
| To Kalon | 4/22/26 | 68.9 5.2 | 1654 | 46.8 0.4 | 0101 | 49.2 0.6 | 99 0 | 44 6 | 2.3 | 10.4 9.2 | 0902 | SSE | 160 | 0.28 | 27.15 | 0.105 0.002 | 401 16 | 0 0 |
| To Kalon Remote (TKN5) | 4/22/26 | 69.2 5.1 | 1736 | 47.2 0.3 | 0101 | - | - | - | - | - | - | - | - | - | - | - | 40 10 |
| Yountville (Ranch 67) | 4/22/26 | 65.3 2.6 | 1536 | 46.6 1.1 | 0101 | 47.7 0.3 | 97 0 | 47 1 | 2.1 | 11.0 7.4 | 1053 | S | 173 | 0.21 | 23.06 | 0.101 0.018 | 421 56 | 20 10 |
| Stags Leap Dist (Silverado Vineyards) | 4/22/26 | 65.2 0.5 | 1649 | 46.9 1.0 | 0101 | 47.5 0.0 | 95 0 | 47 3 | 1.7 | 11.8 3.1 | 1051 | SSW | 200 | 0.20 | 27.09 | 0.093 0.009 | 342 45 | 0 10 |
| Borreo (Soda Canyon) | 4/22/26 | 66.0 4.5 | 1747 | 44.6 0.5 | 0059 | 46.9 0.5 | 96 1 | 43 2 | 1.7 | 11.0 4.9 | 0850 | ESE | 112 | 0.16 | 27.02 | 0.098 0.008 | 394 20 | 0 0 |
| Wappo Hill Floor | 4/22/26 | 70.4 6.0 | 1706 | 45.3 1.4 | 0058 | 49.0 1.5 | 100 0 | 40 5 | 2.4 | 11.3 6.1 | 1842 | SW | 225 | 0.16 | 26.26 | 0.126 0.015 | 480 74 | 60 10 |
| Stags Leap Dist (Chimney Rock) | 4/22/26 | 66.8 2.0 | 1639 | 45.4 2.5 | 0058 | 50.0 0.4 | 100 0 | 52 2 | 2.4 | 11.1 4.5 | 1050 | E | 100 | 0.18 | 25.63 | 0.108 0.004 | 414 34 | 20 10 |
| Yountville-South (Ranch 87) | 4/22/26 | 67.6 3.4 | 1524 | 46.5 0.5 | 0054 | 49.7 0.9 | 100 0 | 44 3 | 1.9 | 10.3 4.1 | 1111 | ESE | 118 | 0.19 | 26.90 | 0.109 0.001 | 416 13 | 50 10 |
| Yountville-SE (Ranch 85) | 4/22/26 | 67.6 1.7 | 1738 | 47.6 0.6 | 0058 | 49.5 0.6 | 100 0 | 47 3 | 1.8 | 10.2 4.9 | 1101 | SE | 146 | 0.19 | 25.19 | - | 0 0 | 0 10 |
| Oak Knoll-East (Ranch 53) | 4/22/26 | 68.4 4.0 | 1533 | 47.3 0.0 | 0101 | 48.8 0.6 | 96 1 | 45 1 | 1.5 | 9.5 7.5 | 1835 | SSW | 196 | 0.21 | 23.77 | 0.112 0.002 | 425 30 | 30 10 |
| Napa-NW (Ranch 54) | 4/22/26 | 70.2 5.1 | 1709 | 47.1 1.1 | 0103 | 49.8 0.9 | 100 0 | 43 0 | 0.7 | 7.2 6.8 | 1603 | E | 82 | 0.24 | 26.23 | - | 0 0 | 60 10 |
| Napa-North (Ranch 29) | 4/22/26 | 67.2 3.4 | 1645 | 47.7 0.9 | 0059 | 50.5 0.4 | 100 0 | 50 1 | 1.0 | 9.3 7.5 | 1838 | S | 178 | 0.50 | 24.67 | 0.073 0.010 | 270 59 | 30 10 |
| Max | 70.4 | - | 48.6 | - | 50.5 | 100 | 52 | 2.4 | 12.7 | - | - | 0.52 | 32.32 | 0.126 | 480 | - | |
| Avg | - | - | - | - | 48.8 | - | - | 1.8 | - | - | - | - | - | - | - | - | |
| Min | 62.7 | - | 44.6 | - | 46.9 | 91 | 40 | 0.7 | 7.2 | - | - | 0.16 | 23.06 | 0.073 | 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 | 4/22/26 | 59.3 2.5 | 1513 | 45.5 0.5 | 0359 | 46.7 1.0 | 100 0 | 63 3 | 2.1 | 9.9 1.8 | 0733 | S | 170 | 0.29 | 33.62 | 0.123 0.012 | 704 41 | 0 0 |
| Mount George (Napa East) | 4/22/26 | 76.0 6.9 | 1424 | 52.5 0.1 | 0129 | 54.5 0.5 | 100 1 | 51 4 | 2.0 | 15.1 0.8 | 1053 | ENE | 64 | 0.60 | 16.54 | 0.104 0.017 | 380 75 | 20 10 |
| Napa-East (Palmaz 300') | 4/22/26 | 68.1 5.1 | 1705 | 48.1 0.1 | 0123 | 48.8 0.5 | 100 0 | 45 4 | 3.0 | 15.6 0.3 | 1100 | E | 93 | 0.55 | 22.81 | 0.094 0.021 | 349 89 | 30 10 |
| Napa-East (Palmaz 1200') | 4/22/26 | 61.6 4.7 | 1844 | 43.9 0.2 | 0029 | 43.4 0.5 | 100 0 | 5 45 | 2.5 | 14.0 1.7 | 0644 | SE | 124 | - | - | 0.074 0.002 | 292 6 | 0 0 |
| Napa-East (Palmaz 1400') | 4/22/26 | 60.0 3.9 | 1636 | 43.2 0.1 | 2339 | 47.4 0.1 | 100 0 | 62 2 | 2.6 | 11.5 8.0 | 0537 | SE | 142 | 0.66 | 30.26 | 0.061 0.001 | 263 6 | 0 0 |
| Wooden Valley | 4/22/26 | 64.3 5.0 | 1700 | 41.0 1.8 | 0058 | 41.0 5.7 | 98 0 | 51 2 | 0.4 | 9.1 8.3 | 1451 | ENE | 67 | 0.62 | 28.57 | 0.081 0.001 | 334 15 | 0 0 |
| Napa-West Upper (Truchard) | 4/22/26 | 68.2 4.7 | 1618 | 48.1 0.5 | 0101 | 20.1 17.9 | 100 0 | 0 0 | 2.4 | 9.9 11.7 | 1036 | NE | 46 | 0.48 | 23.93 | 0.104 0.001 | 352 0 | 0 0 |
| Napa-West Lower (Truchard) | 4/22/26 | 71.3 4.7 | 1624 | 42.2 0.2 | 0101 | 48.0 0.5 | 100 0 | 42 6 | - | - | - | - | - | - | - | - | 60 10 |
| Napa-South (Toyon Farms) | 4/22/26 | 67.8 4.1 | 1619 | 47.2 0.1 | 0100 | 51.8 1.1 | 100 0 | 55 6 | 0.6 | 9.1 8.7 | 1542 | SSE | 157 | 0.43 | 17.89 | 0.063 0.011 | 232 33 | 0 10 |
| Toyon Remote 1 | 4/22/26 | 70.0 3.8 | 1622 | 41.9 1.3 | 0100 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 2 | 4/22/26 | 69.4 4.7 | 1619 | 43.3 0.3 | 0104 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 3 | 4/22/26 | 68.7 2.9 | 1614 | 44.3 0.1 | 0100 | - | - | - | - | - | - | - | - | - | - | - | - |
| Dealy Lane (Ranch 80) | 4/22/26 | 67.6 3.0 | 1532 | 45.2 0.0 | 0101 | 49.2 0.5 | 96 1 | 47 3 | 2.1 | 9.1 7.5 | 1704 | SE | 124 | 0.36 | 23.12 | 0.103 0.006 | 383 24 | 60 10 |
| Carneros (Saintsbury) | 4/22/26 | 67.8 4.6 | 1601 | 43.8 0.6 | 0108 | 48.8 1.0 | 100 0 | 48 4 | 2.2 | 10.6 8.1 | 1006 | E | 83 | 0.10 | 8.62 | - | - | 0 0 |
| Suscol Lower (Ranch 35) | 4/22/26 | 68.8 4.7 | 1606 | 46.4 0.2 | 0112 | 49.3 4.6 | - | - | 3.4 | 15.2 3.8 | 0642 | SE | 128 | 0.65 | 22.41 | 0.091 0.011 | 341 2 | 0 0 |
| Suscol Mtn (Ranch 93) | 4/22/26 | 70.7 7.3 | 1544 | 47.2 1.0 | 0824 | 48.1 1.1 | 98 0 | 51 2 | 6.0 | 21.2 9.6 | 0706 | SE | 144 | 0.46 | 18.04 | - | - | 0 0 |
| Suscol Upper (Ranch 92) | 4/22/26 | 66.0 4.7 | 1537 | 48.2 0.1 | 0815 | 40.6 15.4 | 100 0 | 3 0 | 2.4 | 15.0 11.5 | 0725 | E | 81 | 0.58 | 21.98 | - | - | 0 0 |
| Stanly (Ranch 45) | 4/22/26 | 68.4 5.1 | 1512 | 45.1 0.0 | 0101 | 48.6 0.9 | 98 1 | 45 7 | 3.0 | 12.4 6.7 | 0653 | SE | 132 | 0.02 | 22.48 | 0.099 0.002 | 377 10 | 30 10 |
| Carneros Upper (Ranch 81) | 4/22/26 | 67.2 4.2 | 1524 | 49.4 0.4 | 0733 | 34.9 26.6 | - | - | 3.7 | 13.5 12.8 | 1920 | WNW | 282 | - | - | - | - | 0 0 |
| Carneros (Mitsuko) | 4/22/26 | 67.7 4.0 | 1633 | 42.2 1.1 | 0101 | - | - | - | - | - | - | - | - | - | - | - | 0 0 |
| Carneros Lower (Ranch 81) | 4/22/26 | 66.2 0.8 | 1511 | 45.3 0.0 | 0101 | 31.8 28.7 | 100 0 | 0 0 | 1.1 | 10.7 0.1 | 1350 | SSE | 150 | 0.24 | 19.10 | 0.089 0.006 | 318 6 | 0 0 |
| Carneros (Milton Rd) | 4/22/26 | 68.1 3.1 | 1632 | 43.4 0.5 | 0104 | 49.4 0.9 | 94 1 | 50 2 | - | - | - | - | 0.00 | 18.06 | - | - | 0 0 |
| Max | 76.0 | - | 52.5 | - | 54.5 | 100 | 63 | 6.0 | 21.2 | - | - | 0.66 | 33.62 | 0.123 | 704 | - | |
| Avg | - | - | - | - | 44.6 | - | - | 2.5 | - | - | - | - | - | - | - | - | |
| Min | 59.3 | - | 41.0 | - | 20.1 | 94 | 0 | 0.4 | 9.1 | - | - | 0.00 | 8.62 | 0.061 | 232 | - |