| 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 | 5/24/26 | 73.0 1.6 | 1041 | 40.3 3.1 | 0444 | - | - | - | - | - | - | - | 0.00 | 50.09 | - | - | 80 10 |
| Pope Valley (Weeks Lake) | 5/24/26 | 80.4 2.4 | 1621 | 41.3 3.3 | 0606 | 48.5 0.8 | 100 0 | 29 7 | 2.3 0.4 | 12.5 1.8 | 1426 | ESE | 123 | 0.00 | 26.24 | 0.186 0.002 | 617 11 | 100 20 |
| Dollarhide Base | 5/24/26 | 78.4 1.3 | 1700 | 49.1 1.6 | 0520 | 52.7 0.4 | 97 2 | 42 4 | 4.6 1.0 | 18.8 0.1 | 1609 | S | 177 | 0.00 | 23.14 | 0.213 0.002 | 710 9 | 100 20 |
| Dollarhide 1AS Remote | 5/24/26 | 78.7 1.8 | 1712 | 45.5 5.4 | 0549 | 51.9 0.5 | 94 2 | 41 2 | 4.8 0.6 | 19.3 1.8 | 1603 | SW | 218 | - | - | - | - | 100 20 |
| Dollarhide 16A Remote | 5/24/26 | 75.7 2.9 | 1525 | 46.2 4.6 | 0607 | 52.3 0.6 | 98 4 | 45 2 | - | - | - | - | - | - | - | - | 100 20 |
| Dollarhide 18A Remote | 5/24/26 | 76.2 1.8 | 1603 | 46.1 4.3 | 0621 | 51.4 0.5 | 96 4 | 43 3 | - | - | - | - | - | - | - | - | 100 20 |
| Hardin Rd (Eakle) | 5/24/26 | 77.6 2.3 | 1545 | 47.4 4.4 | 0537 | - | - | - | - | - | - | - | - | - | - | - | 100 20 |
| Angwin | 5/24/26 | 68.0 0.2 | 1551 | 45.8 0.1 | 0323 | 47.2 0.5 | 100 0 | 36 15 | 2.6 0.1 | 11.9 2.4 | 1507 | SSE | 158 | 0.00 | 45.12 | 0.024 0.000 | 0 0 | 80 10 |
| Lower Angwin (Pioneer) | 5/24/26 | 67.6 3.9 | 1545 | 46.0 1.0 | 0552 | - | - | - | 3.5 0.2 | 15.3 0.8 | 1522 | WSW | 251 | - | - | - | - | 80 10 |
| Las Posadas (Cal Fire) | 5/24/26 | 69.0 3.9 | 1553 | 46.5 1.9 | 0531 | 49.4 0.6 | 97 1 | 51 2 | 11.8 3.0 | 29.4 5.6 | 1606 | WSW | 242 | 0.00 | 34.50 | 0.164 0.003 | 610 32 | - |
| Deer Park | 5/24/26 | 73.2 2.2 | 1620 | 49.9 0.9 | 0615 | 50.3 0.4 | 97 3 | 46 2 | 6.8 0.9 | 17.7 2.3 | 1606 | WNW | 302 | 0.00 | 28.72 | 0.138 0.000 | 448 32 | 80 10 |
| Lower Chiles Valley (Brown) | 5/24/26 | 72.7 2.9 | 1646 | 49.6 1.8 | 0601 | 50.4 0.7 | 95 3 | 45 1 | 4.6 0.2 | 18.7 1.9 | 1222 | NW | 311 | 0.00 | 25.89 | 0.171 0.006 | 606 11 | 80 10 |
| Moss Creek Vineyard/Reservior | 5/24/26 | 80.0 2.6 | 1553 | 49.1 1.4 | 0330 | 50.2 0.1 | 95 3 | 39 2 | - | - | - | - | 0.00 | 27.05 | - | - | 70 20 |
| Max | 80.4 | - | 49.9 | - | 52.7 | 100 | 51 | 11.8 | 29.4 | - | - | 0.00 | 50.09 | 0.213 | 710 | - | |
| Avg | - | - | - | - | 50.4 | - | - | 5.1 | - | - | - | - | - | - | - | - | |
| Min | 67.6 | - | 40.3 | - | 47.2 | 94 | 29 | 2.3 | 11.9 | - | - | 0.00 | 23.14 | 0.024 | 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 | 5/24/26 | 73.5 4.1 | 1540 | 52.0 0.6 | 0539 | 51.9 0.4 | 94 1 | 51 5 | - | - | - | - | 0.00 | 32.79 | - | - | 40 10 |
| Diamond Mtn (Schramsberg) | 5/24/26 | 73.1 2.6 | 1523 | 49.2 1.2 | 0543 | 50.7 0.6 | 100 0 | 45 0 | - | - | - | - | 0.00 | 31.20 | - | - | 80 10 |
| Diamond Mtn (McEachran) | 5/24/26 | 70.9 3.5 | 1554 | 50.7 1.1 | 0604 | 50.1 0.7 | 96 2 | 49 2 | - | - | - | - | - | - | - | - | 70 10 |
| St. Helena-North | 5/24/26 | 76.6 3.9 | 1502 | 52.8 1.1 | 0548 | 48.8 0.7 | 85 4 | 37 2 | 3.0 | 14.7 2.6 | 1230 | NNW | 328 | 0.00 | 31.03 | 0.168 0.005 | 551 36 | 70 10 |
| St. Helena (NVV Office) | 5/24/26 | 76.1 3.6 | 1540 | 53.5 0.9 | 0601 | - | - | - | 2.6 | 11.6 1.7 | 1339 | N | 10 | 0.00 | 28.47 | - | - | 90 10 |
| Tiara Fria (East St. Helena) | 5/24/26 | 74.9 2.7 | 1617 | 53.5 0.9 | 0617 | 50.2 1.0 | 84 0 | 41 1 | 5.0 | 16.3 2.4 | 1215 | NW | 314 | 0.00 | 26.44 | - | - | 90 10 |
| Rutherford Hill Estate | 5/24/26 | 77.9 0.7 | 1548 | 51.9 0.1 | 0607 | 51.2 0.6 | 90 1 | 40 3 | 2.7 | 11.6 5.5 | 1223 | WNW | 293 | 0.00 | 25.00 | 0.167 0.009 | 551 30 | 100 0 |
| Rutherford-North (Mee Ln) | 5/24/26 | 77.3 1.1 | 1553 | 53.6 1.4 | 0533 | 50.6 1.1 | 84 6 | 40 5 | 4.4 | 16.2 1.3 | 1421 | NNW | 339 | 0.00 | 24.52 | 0.169 0.004 | 544 29 | 70 10 |
| Rutherford (STS) | 5/24/26 | 76.3 2.5 | 1607 | 52.4 1.5 | 2239 | 52.9 1.0 | 92 0 | 47 3 | 3.1 | 16.5 3.3 | 1153 | W | 274 | 0.00 | 25.82 | 0.181 0.002 | 617 8 | 100 0 |
| Oakville-NE (Ranch 88) | 5/24/26 | 77.7 0.4 | 1634 | 54.0 2.3 | 0615 | 49.4 0.9 | 82 5 | 36 4 | 2.6 | 12.3 4.2 | 1226 | NW | 326 | 0.00 | 24.92 | 0.160 0.003 | 522 14 | 100 0 |
| OV561-East | 5/24/26 | 77.6 0.9 | 1550 | 54.6 1.0 | 0614 | - | - | - | - | - | - | - | - | - | - | - | 90 10 |
| Oakville | 5/24/26 | 75.7 0.5 | 1543 | 54.3 0.5 | 0601 | 50.2 0.9 | 84 5 | 43 2 | 3.7 | 14.8 2.8 | 1734 | WSW | 253 | 0.00 | 25.51 | 0.184 0.003 | 612 11 | 70 10 |
| OV518-West | 5/24/26 | 73.8 1.1 | 1542 | 54.7 0.6 | 0603 | - | - | - | - | - | - | - | - | - | - | - | 70 10 |
| To Kalon Remote (TKKE) | 5/24/26 | 76.8 1.3 | 1620 | 53.1 0.2 | 2303 | - | - | - | - | - | - | - | - | - | - | - | 90 10 |
| To Kalon | 5/24/26 | 74.5 1.2 | 1526 | 54.0 1.2 | 0312 | 51.0 1.1 | 86 7 | 46 0 | 3.3 | 15.4 0.8 | 1934 | WSW | 242 | 0.00 | 27.70 | 0.167 0.002 | 540 9 | 70 10 |
| To Kalon Remote (TKN5) | 5/24/26 | 75.9 1.6 | 1517 | 54.6 0.7 | 0257 | - | - | - | - | - | - | - | - | - | - | - | 90 10 |
| Yountville (Ranch 67) | 5/24/26 | 75.5 2.6 | 1608 | 53.4 0.5 | 2229 | 49.1 0.9 | 83 3 | 39 6 | 3.0 | 13.9 5.0 | 1404 | N | 11 | 0.00 | 23.62 | 0.183 0.000 | 639 3 | 70 10 |
| Stags Leap Dist (Silverado Vineyards) | 5/24/26 | 77.2 3.7 | 1601 | 52.4 0.6 | 2244 | 49.7 0.6 | 88 0 | 37 9 | 1.5 | 11.1 4.4 | 1408 | NNW | 331 | 0.00 | 27.62 | 0.165 0.007 | 567 3 | 50 10 |
| Borreo (Soda Canyon) | 5/24/26 | 75.6 5.0 | 1707 | 49.1 2.4 | 2236 | 49.3 0.3 | 95 0 | 40 7 | 2.1 | 11.6 0.1 | 1820 | S | 170 | 0.00 | 27.52 | 0.174 0.001 | 607 7 | 50 10 |
| Wappo Hill Floor | 5/24/26 | 78.6 4.3 | 1506 | 52.5 0.3 | 2255 | 50.4 0.7 | 88 1 | 37 10 | 3.2 | 12.1 4.1 | 1412 | NW | 317 | 0.00 | 26.75 | 0.179 0.005 | 580 28 | 100 20 |
| Stags Leap Dist (Chimney Rock) | 5/24/26 | 78.0 5.2 | 1547 | 52.7 0.6 | 2303 | 52.4 0.4 | 92 1 | 41 11 | 2.9 | 14.0 1.9 | 1912 | E | 85 | 0.00 | 26.14 | 0.158 0.003 | 518 22 | 40 10 |
| Yountville-South (Ranch 87) | 5/24/26 | 77.6 2.2 | 1648 | 53.7 1.8 | 2302 | 51.1 0.7 | 89 3 | 37 11 | 1.9 | 10.4 5.1 | 1541 | NW | 304 | 0.00 | 27.39 | 0.174 0.007 | 592 25 | 100 0 |
| Yountville-SE (Ranch 85) | 5/24/26 | 77.1 4.4 | 1542 | 52.7 0.1 | 2254 | 51.1 0.6 | 90 0 | 39 11 | 2.9 | 11.5 5.5 | 1913 | SSE | 157 | 0.00 | 25.69 | - | 0 0 | 70 20 |
| Oak Knoll-East (Ranch 53) | 5/24/26 | 78.8 4.7 | 1617 | 52.9 1.3 | 2338 | 50.1 0.7 | 91 0 | 39 8 | 2.2 | 16.4 1.0 | 1338 | SSE | 166 | 0.00 | 24.30 | 0.180 0.006 | 604 34 | 100 0 |
| Napa-NW (Ranch 54) | 5/24/26 | 79.7 1.9 | 1619 | 53.4 2.0 | 0101 | 50.4 0.4 | 90 1 | 38 2 | 1.7 | 12.2 2.9 | 1605 | SW | 221 | 0.00 | 26.77 | - | 0 0 | 100 0 |
| Napa-North (Ranch 29) | 5/24/26 | 75.3 4.7 | 1622 | 53.4 0.5 | 2354 | 50.6 0.5 | 89 1 | 45 6 | 3.0 | 14.8 2.3 | 1329 | SSW | 210 | 0.00 | 25.18 | 0.138 0.006 | 426 7 | 40 10 |
| Max | 79.7 | - | 54.7 | - | 52.9 | 100 | 51 | 5.0 | 16.5 | - | - | 0.00 | 32.79 | 0.184 | 639 | - | |
| Avg | - | - | - | - | 50.5 | - | - | 2.9 | - | - | - | - | - | - | - | - | |
| Min | 70.9 | - | 49.1 | - | 48.8 | 82 | 36 | 1.5 | 10.4 | - | - | 0.00 | 23.62 | 0.138 | 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 | 5/24/26 | 70.6 2.6 | 1540 | 47.2 0.7 | 0626 | 49.3 0.3 | 100 4 | 53 6 | 1.5 | 8.4 0.2 | 1149 | E | 80 | 0.00 | 34.19 | 0.141 0.007 | 516 1 | 70 10 |
| Mount George (Napa East) | 5/24/26 | 71.6 1.3 | 1655 | 52.6 0.5 | 0101 | 50.3 0.9 | 90 1 | 49 3 | 2.5 | 13.1 0.4 | 1505 | SSE | 166 | 0.00 | 17.04 | 0.162 0.004 | 580 22 | 40 10 |
| Napa-East (Palmaz 300') | 5/24/26 | 75.9 2.5 | 1415 | 52.4 0.2 | 0101 | 50.5 0.3 | 90 1 | 44 4 | 2.9 | 14.1 0.2 | 1356 | SSW | 213 | 0.00 | 23.29 | 0.159 0.001 | 525 9 | 40 10 |
| Napa-East (Palmaz 1200') | 5/20/26 | 83.1 2.3 | 1549 | 49.6 2.8 | 0543 | 44.2 13.7 | 74 19 | 19 10 | 2.5 | 11.6 2.3 | 1413 | NNW | 333 | - | - | 0.212 0.024 | 676 30 | 100 10 |
| Napa-East (Palmaz 1400') | 5/24/26 | 68.6 2.3 | 1415 | 48.2 0.3 | 0437 | 50.2 0.4 | 100 0 | 58 2 | 4.0 | 15.6 0.7 | 1647 | WSW | 242 | 0.00 | 30.80 | 0.146 0.004 | 557 21 | 70 10 |
| Wooden Valley | 5/24/26 | 70.4 0.5 | 1432 | 50.0 1.4 | 0556 | 49.6 0.3 | 90 0 | 52 2 | 5.3 | 18.8 3.1 | 0926 | SW | 217 | 0.00 | 29.11 | 0.173 0.009 | 648 37 | 80 10 |
| Napa-West Upper (Truchard) | 5/24/26 | 73.8 2.2 | 1619 | 51.3 0.4 | 0031 | 51.5 1.8 | 100 0 | 0 0 | 5.9 | 19.2 1.4 | 1324 | SSW | 209 | 0.00 | 24.41 | 0.173 0.003 | 576 18 | 40 10 |
| Napa-West Lower (Truchard) | 5/24/26 | 75.4 3.1 | 1417 | 51.4 1.7 | 0107 | 50.6 0.6 | 91 1 | 44 4 | - | - | - | - | - | - | - | - | 60 10 |
| Napa-South (Toyon Farms) | 5/24/26 | 73.1 3.0 | 1618 | 52.3 0.6 | 0101 | 52.4 0.6 | 95 1 | 54 6 | 4.4 | 18.0 2.5 | 1648 | SSW | 210 | 0.00 | 18.34 | 0.098 0.000 | 330 26 | 60 10 |
| Toyon Remote 1 | 5/24/26 | 78.2 6.4 | 1630 | 49.7 0.8 | 0100 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 2 | 5/24/26 | 73.2 3.1 | 1612 | 52.9 0.5 | 0100 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 3 | 5/24/26 | 78.1 6.4 | 1608 | 50.9 0.7 | 0101 | - | - | - | - | - | - | - | - | - | - | - | - |
| Dealy Lane (Ranch 80) | 5/24/26 | 73.4 1.9 | 1612 | 53.2 1.0 | 0101 | 50.0 0.6 | 86 2 | 46 2 | 3.5 | 17.1 2.0 | 1914 | SW | 226 | 0.00 | 23.58 | 0.166 0.005 | 574 25 | 60 10 |
| Carneros (Saintsbury) | 5/24/26 | 73.0 4.1 | 1529 | 51.6 0.5 | 0101 | 50.2 0.7 | 90 1 | 46 7 | 7.5 | 21.6 1.9 | 1907 | SW | 223 | 0.00 | 8.68 | - | - | 70 10 |
| Suscol Lower (Ranch 35) | 5/24/26 | 73.2 3.1 | 1643 | 51.6 0.2 | 0035 | 50.0 0.7 | - | - | 6.5 | 19.7 0.9 | 1524 | SSW | 193 | 0.00 | 22.84 | 0.153 0.002 | 498 26 | 70 10 |
| Suscol Mtn (Ranch 93) | 5/24/26 | 71.7 1.0 | 1634 | 49.1 0.2 | 0607 | 50.4 1.3 | 98 0 | 53 3 | 12.6 | 24.8 4.3 | 1743 | NNW | 331 | 0.00 | 18.60 | - | - | 40 10 |
| Suscol Upper (Ranch 92) | 5/24/26 | 67.4 0.8 | 1645 | 50.0 0.1 | 0608 | 36.2 9.0 | 100 0 | 3 0 | 8.9 | 21.5 0.6 | 1741 | SSW | 205 | 0.00 | 22.35 | - | - | 70 10 |
| Stanly (Ranch 45) | 5/24/26 | 76.2 5.8 | 1625 | 53.0 0.7 | 0101 | 50.1 1.0 | 86 1 | 41 11 | 8.4 | 22.8 0.6 | 1748 | W | 260 | 0.00 | 22.49 | 0.184 0.005 | 592 26 | 60 10 |
| Carneros Upper (Ranch 81) | 5/24/26 | 71.4 0.1 | 1534 | 52.4 0.6 | 0659 | 49.8 0.5 | - | - | 11.0 | 26.4 5.9 | 1815 | WSW | 254 | - | - | - | - | 70 10 |
| Carneros (Mitsuko) | 5/24/26 | 73.1 2.8 | 1611 | 52.6 0.6 | 0101 | - | - | - | - | - | - | - | - | - | - | - | 70 10 |
| Carneros Lower (Ranch 81) | 5/24/26 | 76.6 5.5 | 1555 | 52.6 0.6 | 0101 | 51.2 0.7 | 91 0 | 43 9 | - | 11.8 5.3 | 1656 | WNW | 292 | 0.00 | 19.42 | 0.140 0.007 | 474 32 | 70 10 |
| Carneros (Milton Rd) | 5/24/26 | 73.7 5.5 | 1612 | 53.7 1.1 | 2247 | 50.5 0.7 | 86 3 | 45 11 | - | - | - | - | 0.00 | 18.07 | - | - | 70 10 |
| Max | 78.2 | - | 53.7 | - | 52.4 | 100 | 58 | 12.6 | 26.4 | - | - | 0.00 | 34.19 | 0.184 | 648 | - | |
| Avg | - | - | - | - | 49.6 | - | - | 6.1 | - | - | - | - | - | - | - | - | |
| Min | 67.4 | - | 47.2 | - | 36.2 | 86 | 0 | 1.5 | 8.4 | - | - | 0.00 | 8.68 | 0.098 | 330 | - |