| 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 | 5/6/26 | 74.8 13.8 | 1615 | 49.6 2.0 | 0051 | - | - | - | - | - | - | - | 0.00 | 50.09 | - | - | 0 0 |
| Pope Valley (Weeks Lake) | 5/6/26 | 78.8 8.4 | 1654 | 50.6 0.4 | 0043 | 52.8 1.4 | 99 1 | 44 6 | 1.5 | 16.9 6.6 | 1336 | NE | 46 | 0.00 | 26.24 | 0.150 0.050 | 492 151 | 60 20 |
| Dollarhide Base | 5/6/26 | 80.1 6.6 | 1649 | 55.4 3.5 | 0620 | 56.1 2.6 | 92 6 | 51 4 | 2.9 | 14.2 1.5 | 1730 | SW | 235 | 0.00 | 23.14 | 0.165 0.050 | 537 140 | 70 20 |
| Dollarhide 1AS Remote | 5/6/26 | 80.4 8.5 | 1624 | 55.0 3.1 | 0059 | 55.7 2.7 | 92 2 | 50 6 | 2.3 | 12.7 1.5 | 1752 | SW | 224 | - | - | - | - | 60 20 |
| Dollarhide 17B Remote | 5/6/26 | 80.0 6.9 | 1634 | 50.0 2.1 | 0102 | 57.5 3.9 | - | - | - | - | - | - | - | - | - | - | 100 60 |
| Dollarhide 18A Remote | 5/6/26 | 80.1 10.5 | 1625 | 54.5 3.3 | 0634 | 55.7 2.9 | 97 2 | 50 11 | - | - | - | - | - | - | - | - | 40 20 |
| Angwin | 5/6/26 | 69.7 11.5 | 1554 | 50.0 4.5 | 0420 | 52.1 3.5 | 100 0 | 59 17 | 2.6 | 11.3 1.8 | 1402 | SSE | 156 | 0.00 | 45.11 | 0.014 0.010 | 0 0 | 0 0 |
| Lower Angwin (Pioneer) | 5/6/26 | 71.4 10.1 | 1611 | 48.8 1.7 | 0032 | - | - | - | 2.0 | 12.2 0.3 | 1718 | WNW | 282 | - | - | - | - | 0 0 |
| Deer Park | 5/6/26 | 77.1 9.6 | 1616 | 51.6 0.7 | 0048 | 53.0 2.4 | 96 1 | 45 13 | 3.2 | 14.5 0.2 | 1732 | SW | 230 | 0.00 | 28.72 | 0.123 0.043 | 359 113 | 0 0 |
| Lower Chiles Valley (Brown) | 5/6/26 | 76.7 10.3 | 1557 | 51.1 0.3 | 2337 | 52.8 2.4 | 95 1 | 46 11 | 2.2 | 14.0 2.7 | 1816 | NW | 308 | 0.00 | 25.86 | 0.145 0.072 | 486 245 | 10 10 |
| Moss Creek Vineyard/Reservior | 5/6/26 | 78.0 13.1 | 1647 | 53.5 2.7 | 0049 | 53.0 2.4 | 95 2 | 45 12 | - | - | - | - | 0.00 | 27.05 | - | - | 10 10 |
| Max | 80.4 | - | 55.4 | - | 57.5 | 100 | 59 | 3.2 | 16.9 | - | - | 0.00 | 50.09 | 0.165 | 537 | - | |
| Avg | - | - | - | - | 54.3 | - | - | 2.4 | - | - | - | - | - | - | - | - | |
| Min | 69.7 | - | 48.8 | - | 52.1 | 92 | 44 | 1.5 | 11.3 | - | - | 0.00 | 23.14 | 0.014 | 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 | 5/6/26 | 80.7 13.9 | 1451 | 51.7 0.2 | 0057 | 55.2 2.2 | 96 3 | 46 20 | - | - | - | - | 0.00 | 32.79 | - | - | 20 20 |
| Diamond Mtn (Schramsberg) | 5/6/26 | 76.7 11.6 | 1549 | 51.1 1.3 | 0057 | 53.2 2.0 | 100 0 | 50 14 | - | - | - | - | 0.00 | 31.20 | - | - | 0 0 |
| Diamond Mtn (McEachran) | 5/6/26 | 76.5 13.0 | 1507 | 52.7 1.5 | 0040 | 53.1 2.3 | 95 3 | 47 19 | - | - | - | - | - | - | - | - | 0 0 |
| St. Helena-North | 5/6/26 | 80.2 9.6 | 1548 | 53.9 1.4 | 0015 | 52.1 0.6 | 89 11 | 41 9 | 1.8 | 12.3 1.3 | 1806 | NW | 306 | 0.00 | 31.03 | 0.144 0.057 | 459 186 | 60 20 |
| St. Helena (NVV Office) | 5/6/26 | 80.1 9.3 | 1531 | 54.3 1.4 | 0055 | - | - | - | 1.4 | 11.9 2.5 | 1704 | SW | 230 | 0.00 | 28.47 | - | - | 80 20 |
| Tiara Fria (East St. Helena) | 5/6/26 | 79.0 8.9 | 1602 | 54.2 1.3 | 0059 | 53.5 1.5 | 90 6 | 45 12 | 2.5 | 15.9 2.6 | 1810 | W | 267 | 0.00 | 26.44 | - | - | 30 20 |
| Rutherford Hill Estate | 5/6/26 | 79.7 8.9 | 1624 | 52.6 1.5 | 0059 | 53.6 0.9 | 92 8 | 45 11 | 1.5 | 12.7 1.8 | 1737 | W | 272 | 0.00 | 25.00 | 0.141 0.058 | 461 184 | 30 20 |
| Rutherford-North (Mee Ln) | 5/6/26 | 79.9 8.8 | 1616 | 51.6 3.9 | 0044 | 53.5 3.0 | 93 4 | 44 9 | 2.5 | 13.2 3.1 | 1718 | NNW | 346 | 0.00 | 24.52 | 0.151 0.057 | 485 188 | 40 20 |
| Rutherford (STS) | 5/6/26 | 78.8 7.9 | 1619 | 53.0 0.7 | 0026 | 55.8 3.3 | 91 1 | 50 11 | 2.1 | 13.0 0.9 | 1654 | W | 264 | 0.00 | 25.82 | 0.163 0.065 | 545 224 | 70 20 |
| Oakville-NE (Ranch 88) | 5/6/26 | 80.0 9.6 | 1652 | 52.6 0.3 | 0042 | 52.7 0.8 | 91 9 | 41 11 | 1.9 | 10.8 2.0 | 1809 | NNE | 28 | 0.00 | 24.92 | 0.149 0.053 | 489 184 | 0 0 |
| OV561-East | 5/6/26 | 81.0 12.2 | 1637 | 53.3 0.6 | 0057 | - | - | - | - | - | - | - | - | - | - | - | 20 20 |
| Oakville | 5/6/26 | 78.7 10.6 | 1604 | 53.0 0.6 | 0053 | 52.9 1.4 | 91 6 | 43 11 | 2.9 | 13.9 0.7 | 1818 | WSW | 245 | 0.00 | 25.51 | 0.160 0.058 | 520 204 | 20 20 |
| OV518-West | 5/6/26 | 77.5 9.6 | 1744 | 53.4 0.9 | 0052 | - | - | - | - | - | - | - | - | - | - | - | 30 20 |
| To Kalon Remote (TKKE) | 5/6/26 | 79.4 10.2 | 1558 | 53.4 0.6 | 0039 | - | - | - | - | - | - | - | - | - | - | - | 70 20 |
| To Kalon | 5/6/26 | 78.9 9.9 | 1636 | 53.3 0.8 | 0042 | 53.8 1.7 | 94 4 | 44 14 | 2.5 | 12.8 1.4 | 1901 | SW | 229 | 0.00 | 27.70 | 0.149 0.055 | 478 182 | 20 20 |
| To Kalon Remote (TKN5) | 5/6/26 | 78.8 9.3 | 1621 | 53.6 0.8 | 0053 | - | - | - | - | - | - | - | - | - | - | - | 30 20 |
| Yountville (Ranch 67) | 5/6/26 | 76.2 9.3 | 1528 | 52.8 1.0 | 0048 | 52.1 1.2 | 91 5 | 44 12 | 2.6 | 13.5 1.0 | 1829 | W | 274 | 0.00 | 23.62 | 0.158 0.058 | 534 181 | 0 0 |
| Stags Leap Dist (Silverado Vineyards) | 5/6/26 | 75.7 8.3 | 1539 | 52.7 0.9 | 0049 | 52.4 1.5 | 90 4 | 45 10 | 2.4 | 14.5 1.2 | 2329 | SE | 134 | 0.00 | 27.62 | 0.142 0.047 | 466 148 | 0 0 |
| Borreo (Soda Canyon) | 5/6/26 | 74.1 9.7 | 1540 | 50.1 0.2 | 0101 | 52.2 1.8 | 93 4 | 47 16 | 1.4 | 10.2 0.2 | 1625 | WSW | 239 | 0.00 | 27.52 | 0.140 0.065 | 485 231 | 0 0 |
| Wappo Hill Floor | 5/6/26 | 77.0 9.2 | 1517 | 53.2 3.0 | 0058 | 53.5 1.7 | 94 6 | 46 12 | 2.5 | 11.3 0.4 | 1626 | SSW | 211 | 0.00 | 26.75 | 0.148 0.059 | 485 202 | 40 20 |
| Stags Leap Dist (Chimney Rock) | 5/6/26 | 76.7 9.9 | 1501 | 54.0 1.1 | 0059 | 55.1 1.7 | 95 4 | 52 15 | 2.7 | 16.5 2.8 | 1402 | SW | 217 | 0.00 | 26.14 | 0.133 0.050 | 439 177 | 20 20 |
| Yountville-South (Ranch 87) | 5/6/26 | 76.3 8.2 | 1550 | 53.5 1.0 | 0056 | 54.2 1.2 | 94 6 | 46 14 | 2.1 | 11.6 0.8 | 1634 | SSW | 210 | 0.00 | 27.39 | 0.143 0.046 | 475 149 | 60 20 |
| Yountville-SE (Ranch 85) | 5/6/26 | 77.7 10.3 | 1501 | 53.8 1.3 | 0056 | 54.0 1.2 | 92 8 | 45 16 | 2.4 | 10.0 2.6 | 2322 | SSE | 159 | 0.00 | 25.69 | - | 0 0 | 20 20 |
| Oak Knoll-East (Ranch 53) | 5/6/26 | 77.3 9.4 | 1549 | 52.5 0.1 | 0032 | 53.2 1.3 | 92 4 | 45 12 | 2.1 | 12.0 2.6 | 1643 | SSW | 211 | 0.00 | 24.30 | 0.153 0.064 | 520 238 | 40 20 |
| Napa-NW (Ranch 54) | 5/6/26 | 77.5 8.0 | 1522 | 53.0 0.1 | 0005 | 53.6 0.9 | 92 8 | 46 10 | 1.0 | 10.0 0.3 | 1706 | SW | 227 | 0.00 | 26.77 | - | 0 0 | 70 20 |
| Napa-North (Ranch 29) | 5/6/26 | 76.0 10.1 | 1541 | 53.2 1.1 | 0055 | 53.6 1.3 | 100 0 | 50 12 | 1.5 | 12.6 0.2 | 1638 | S | 190 | 0.00 | 25.18 | 0.106 0.048 | 336 170 | 0 0 |
| Max | 81.0 | - | 54.3 | - | 55.8 | 100 | 52 | 2.9 | 16.5 | - | - | 0.00 | 32.79 | 0.163 | 545 | - | |
| Avg | - | - | - | - | 53.5 | - | - | 2.1 | - | - | - | - | - | - | - | - | |
| Min | 74.1 | - | 50.1 | - | 52.1 | 89 | 41 | 1.0 | 10.0 | - | - | 0.00 | 23.62 | 0.106 | 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 | 5/6/26 | 70.4 6.8 | 1410 | 51.0 3.0 | 0623 | 51.8 1.7 | 93 7 | 53 11 | 1.3 | 12.5 3.6 | 1607 | SSE | 147 | 0.00 | 34.19 | 0.181 0.049 | 766 129 | 0 0 |
| Mount George (Napa East) | 5/6/26 | 76.5 11.0 | 1446 | 55.0 1.5 | 0101 | 55.2 2.0 | 94 3 | 55 11 | 1.5 | 10.8 1.0 | 1722 | SSE | 163 | 0.00 | 17.04 | 0.131 0.058 | 442 209 | 20 20 |
| Napa-East (Palmaz 300') | 5/6/26 | 76.4 10.3 | 1529 | 53.5 1.7 | 0057 | 53.3 1.8 | 94 6 | 48 13 | 1.3 | 10.8 2.0 | 2303 | SE | 143 | 0.00 | 23.29 | 0.120 0.057 | 403 206 | 0 0 |
| Napa-East (Palmaz 1200') | 5/6/26 | 70.5 11.4 | 1608 | 49.6 0.7 | 0053 | 47.0 0.5 | 100 0 | 50 0 | 1.6 | 12.2 2.4 | 1622 | NW | 306 | - | - | 0.119 0.061 | 440 245 | 0 0 |
| Napa-East (Palmaz 1400') | 5/6/26 | 70.3 10.2 | 1535 | 49.8 1.8 | 0019 | 52.6 2.3 | 100 0 | 59 18 | 2.0 | 12.4 1.5 | 1630 | WSW | 244 | 0.00 | 30.79 | 0.118 0.061 | 436 217 | 0 0 |
| Wooden Valley | 5/6/26 | 73.4 10.5 | 1551 | 53.4 3.0 | 2358 | 51.6 1.9 | 91 2 | 50 16 | 2.3 | 14.9 1.9 | 1711 | SW | 226 | 0.00 | 29.11 | 0.129 0.059 | 444 199 | 0 0 |
| Napa-West Upper (Truchard) | 5/6/26 | 76.1 9.4 | 1503 | 49.9 0.2 | 0058 | 43.4 30.8 | 100 0 | 0 0 | 3.2 | 15.9 1.1 | 1859 | W | 265 | 0.00 | 24.41 | 0.160 0.058 | 526 243 | 0 0 |
| Napa-West Lower (Truchard) | 5/6/26 | 78.4 8.4 | 1537 | 48.6 2.2 | 0101 | 52.7 1.2 | 93 7 | 46 8 | - | - | - | - | - | - | - | - | 70 20 |
| Napa-South (Toyon Farms) | 5/6/26 | 75.3 8.8 | 1505 | 52.0 0.2 | 0053 | 55.2 1.8 | 98 2 | 58 10 | 2.7 | 16.3 3.5 | 1759 | WSW | 241 | 0.00 | 18.34 | 0.076 0.028 | 245 94 | 0 0 |
| Toyon Remote 1 | 5/6/26 | 77.8 7.6 | 1459 | 49.9 2.1 | 0059 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 2 | 5/6/26 | 76.0 8.5 | 1554 | 52.3 0.3 | 0058 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 3 | 5/6/26 | 77.7 8.3 | 1616 | 51.4 0.9 | 0100 | - | - | - | - | - | - | - | - | - | - | - | - |
| Dealy Lane (Ranch 80) | 5/6/26 | 75.4 8.4 | 1519 | 52.0 0.2 | 0059 | 52.5 1.6 | 93 2 | 49 10 | 2.4 | 13.9 2.6 | 1734 | W | 270 | 0.00 | 23.58 | 0.157 0.070 | 540 252 | 0 0 |
| Carneros (Saintsbury) | 5/6/26 | 74.9 8.3 | 1532 | 50.3 1.6 | 0058 | 52.4 1.8 | 96 4 | 50 10 | 4.9 | 22.4 6.2 | 1808 | WNW | 282 | 0.00 | 8.68 | - | - | 0 0 |
| Suscol Lower (Ranch 35) | 5/6/26 | 75.1 8.6 | 1516 | 51.3 0.7 | 0018 | 52.4 1.0 | - | - | 3.2 | 15.8 1.4 | 1903 | SW | 226 | 0.00 | 22.84 | 0.137 0.055 | 453 218 | 0 0 |
| Suscol Mtn (Ranch 93) | 5/6/26 | 72.5 7.0 | 1536 | 50.1 0.9 | 0044 | 51.8 1.4 | 99 1 | 54 16 | 3.9 | 18.0 1.8 | 1544 | WNW | 290 | 0.00 | 18.59 | - | - | 0 0 |
| Suscol Upper (Ranch 92) | 5/6/26 | 73.6 10.7 | 1534 | 50.6 0.8 | 0059 | 42.5 7.7 | 100 0 | 3 0 | 1.9 | 17.0 3.7 | 1837 | SW | 224 | 0.00 | 22.35 | - | - | 0 0 |
| Stanly (Ranch 45) | 5/6/26 | 77.3 9.5 | 1500 | 50.8 1.0 | 0057 | 52.7 2.0 | 92 4 | 46 13 | 4.2 | 21.6 6.9 | 1900 | W | 280 | 0.00 | 22.49 | 0.169 0.072 | 573 279 | 0 0 |
| Carneros Upper (Ranch 81) | 5/6/26 | 73.5 8.2 | 1531 | 51.2 0.1 | 0059 | 46.5 18.2 | - | - | 8.0 | 28.3 7.5 | 1832 | WSW | 252 | - | - | - | - | 0 0 |
| Carneros (Mitsuko) | 5/6/26 | 74.6 7.7 | 1447 | 51.6 0.9 | 0059 | - | - | - | - | - | - | - | - | - | - | - | 0 0 |
| Carneros Lower (Ranch 81) | 5/6/26 | 75.2 6.8 | 1543 | 51.7 0.3 | 0058 | 53.5 44.3 | 93 7 | 54 53 | 1.2 | 13.4 3.0 | 1605 | NW | 312 | 0.02 | 19.39 | 0.129 0.054 | 445 195 | 0 0 |
| Carneros (Milton Rd) | 5/6/26 | 75.2 7.6 | 1444 | 51.5 1.2 | 0056 | 53.1 1.3 | 92 2 | 51 8 | - | - | - | - | 0.00 | 18.07 | - | - | 0 0 |
| Max | 78.4 | - | 55.0 | - | 55.2 | 100 | 59 | 8.0 | 28.3 | - | - | 0.02 | 34.19 | 0.181 | 766 | - | |
| Avg | - | - | - | - | 51.1 | - | - | 2.8 | - | - | - | - | - | - | - | - | |
| Min | 70.3 | - | 48.6 | - | 42.5 | 91 | 0 | 1.2 | 10.8 | - | - | 0.00 | 8.68 | 0.076 | 245 | - |