| 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 | 7/23/26 | 86.3 12.2 | 1617 | 49.2 3.9 | 0539 | - | - | - | - | - | - | - | 0.00 | 0.00 | - | - | 70 20 |
| Pope Valley (Weeks Lake) | 7/23/26 | 92.6 12.4 | 1638 | 47.0 5.6 | 0606 | 53.5 2.4 | 100 5 | 25 17 | 1.7 1.0 | 13.6 2.6 | 1713 | S | 189 | 0.00 | 0.00 | 0.217 0.027 | 624 33 | 10 10 |
| Dollarhide Base | 7/23/26 | 95.6 12.3 | 1517 | 53.4 8.6 | 0512 | 58.1 2.3 | 99 14 | 30 16 | 3.5 2.1 | 17.0 2.2 | 1729 | SW | 224 | 0.00 | 0.00 | 0.272 0.058 | 720 103 | 20 10 |
| Dollarhide 1AS Remote | 7/23/26 | 96.2 12.1 | 1528 | 47.5 9.7 | 0605 | 55.8 3.8 | 93 3 | 29 15 | 3.0 1.9 | 15.9 1.7 | 1841 | SW | 217 | - | - | - | - | 10 10 |
| Dollarhide 16A Remote | 7/23/26 | 96.3 11.6 | 1610 | 52.5 5.9 | 0620 | 57.4 2.6 | 98 8 | 29 14 | - | - | - | - | - | - | - | - | 10 10 |
| Dollarhide 18A Remote | 7/23/26 | 93.5 12.3 | 1550 | 46.3 9.7 | 0610 | 55.1 4.0 | 97 6 | 30 16 | - | - | - | - | - | - | - | - | 10 10 |
| Hardin Rd (Eakle) | 7/23/26 | 94.7 13.0 | 1538 | 50.5 7.8 | 0611 | - | - | - | - | - | - | - | - | - | - | - | 10 10 |
| Angwin | 7/23/26 | 83.6 13.2 | 1523 | 60.9 4.5 | 0535 | 51.7 4.0 | 75 25 | 31 24 | 3.0 1.1 | 12.3 2.5 | 2116 | W | 269 | 0.00 | 0.00 | 0.049 0.027 | 0 0 | 100 10 |
| Lower Angwin (Pioneer) | 7/23/26 | 85.3 12.4 | 1611 | 44.7 2.0 | 0213 | - | - | - | 2.0 1.3 | 11.0 5.4 | 1401 | WSW | 256 | - | - | - | - | 100 20 |
| Las Posadas (Cal Fire) | 7/23/26 | 87.9 12.7 | 1503 | 50.9 7.2 | 0615 | 55.0 2.6 | 99 10 | 31 21 | 8.0 0.5 | 22.2 7.8 | 1809 | SW | 221 | 0.00 | 0.00 | 0.256 0.090 | 632 147 | - |
| Deer Park | 7/23/26 | 92.0 11.7 | 1612 | 55.4 4.6 | 0710 | 54.7 3.0 | 94 8 | 25 18 | 3.8 1.9 | 14.9 3.9 | 1534 | NW | 319 | 0.00 | 0.00 | 0.188 0.035 | 475 83 | 80 10 |
| Lower Chiles Valley (Brown) | 7/23/26 | 90.7 10.1 | 1621 | 48.8 12.0 | 0622 | 54.3 3.5 | 100 15 | 30 13 | 3.5 1.4 | 14.5 3.0 | 1247 | NW | 304 | 0.00 | 0.00 | 0.230 0.038 | 682 91 | 40 10 |
| Moss Creek Vineyard/Reservior | 7/23/26 | 93.7 7.4 | 1421 | 52.2 9.2 | 0620 | 54.5 2.2 | 96 9 | 25 10 | - | - | - | - | 0.00 | 0.00 | - | - | 0 0 |
| Max | 96.3 | - | 60.9 | - | 58.1 | 100 | 31 | 8.0 | 22.2 | - | - | 0.00 | 0.00 | 0.272 | 720 | - | |
| Avg | - | - | - | - | 55.0 | - | - | 3.6 | - | - | - | - | - | - | - | - | |
| Min | 83.6 | - | 44.7 | - | 51.7 | 75 | 25 | 1.7 | 11.0 | - | - | 0.00 | 0.00 | 0.049 | 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 | 7/23/26 | 93.2 13.3 | 1527 | 53.1 3.8 | 0337 | 57.0 2.8 | 97 4 | 33 19 | - | - | - | - | 0.00 | 0.00 | - | - | 20 10 |
| Diamond Mtn (Schramsberg) | 7/23/26 | 90.4 12.1 | 1429 | 54.4 1.9 | 0519 | 54.7 2.5 | 100 7 | 26 21 | - | - | - | - | 0.00 | 0.00 | - | - | 80 10 |
| Diamond Mtn (McEachran) | 7/23/26 | 89.4 12.7 | 1506 | 56.7 2.2 | 0547 | 54.8 3.1 | 95 6 | 27 22 | - | - | - | - | - | - | - | - | 80 10 |
| St. Helena-North | 7/23/26 | 95.7 14.8 | 1455 | 54.5 5.0 | 0627 | 52.8 3.5 | 90 9 | 17 23 | 1.7 | 12.1 1.8 | 1530 | NNW | 344 | 0.00 | 0.00 | 0.210 0.047 | 607 125 | 10 10 |
| St. Helena (NVV Office) | 7/23/26 | 95.2 12.7 | 1544 | 54.3 6.7 | 0603 | - | - | - | 1.6 | 9.0 1.4 | 1714 | WNW | 288 | 0.00 | 0.00 | - | - | 10 10 |
| Tiara Fria (East St. Helena) | 7/23/26 | 92.2 11.3 | 1617 | 51.9 6.8 | 0618 | 54.9 3.5 | 92 8 | 25 20 | 2.1 | 11.7 2.1 | 1623 | W | 259 | 0.00 | 0.00 | - | - | 30 10 |
| Prisoner Winery | 7/23/26 | 94.6 12.4 | 1643 | 51.0 6.4 | 0555 | 55.1 2.2 | 97 6 | 28 13 | 1.2 | 10.2 3.8 | 1614 | ENE | 78 | 0.00 | 0.00 | 0.028 0.012 | 0 0 | 10 10 |
| Rutherford Hill Estate | 7/23/26 | 92.8 7.1 | 1520 | 54.6 3.9 | 0510 | 55.8 2.6 | 99 12 | 31 8 | 1.5 | 12.7 2.4 | 1839 | S | 179 | 0.00 | 0.00 | 0.193 0.010 | 576 38 | 30 10 |
| Rutherford-North (Mee Ln) | 7/23/26 | 91.1 8.8 | 1553 | 47.9 7.1 | 0600 | 54.0 3.4 | 95 6 | 32 11 | 2.9 | 15.8 0.0 | 1622 | ESE | 112 | 0.00 | 0.00 | 0.217 0.033 | 605 73 | 60 10 |
| Rutherford (STS) | 7/23/26 | 93.8 9.7 | 1549 | 49.1 5.9 | 0552 | 56.6 3.1 | 92 0 | 34 11 | 2.0 | 13.9 1.1 | 1710 | E | 99 | 0.00 | 0.00 | 0.227 0.023 | 671 56 | 30 10 |
| Oakville-NE (Ranch 88) | 7/23/26 | 92.1 8.8 | 1539 | 48.2 6.2 | 0605 | 52.8 3.2 | 98 13 | 30 9 | 2.2 | 13.6 1.2 | 1839 | S | 182 | 0.00 | 0.00 | 0.218 0.044 | 621 108 | 100 0 |
| OV561-East | 7/23/26 | 95.3 12.3 | 1650 | 51.8 5.1 | 0557 | - | - | - | - | - | - | - | - | - | - | - | 50 10 |
| Oakville | 7/23/26 | 88.9 7.2 | 1547 | 49.8 5.7 | 0609 | 54.2 3.1 | 96 9 | 34 9 | 3.4 | 15.9 1.0 | 1945 | SE | 133 | 0.00 | 0.00 | 0.232 0.041 | 668 101 | 90 10 |
| OV518-West | 7/23/26 | 88.2 8.1 | 1522 | 50.1 5.6 | 0607 | - | - | - | - | - | - | - | - | - | - | - | 90 10 |
| To Kalon Remote (TKKE) | 7/23/26 | 92.6 9.6 | 1606 | 51.5 4.3 | 0442 | - | - | - | - | - | - | - | - | - | - | - | 30 10 |
| To Kalon | 7/23/26 | 90.7 8.7 | 1552 | 50.8 4.9 | 0611 | 55.6 2.8 | 96 6 | 31 13 | 3.1 | 14.2 1.3 | 2010 | SE | 139 | 0.00 | 0.00 | 0.223 0.032 | 632 64 | 90 10 |
| To Kalon Remote (TKN5) | 7/23/26 | 92.3 8.8 | 1552 | 51.5 4.4 | 0613 | - | - | - | - | - | - | - | - | - | - | - | 30 10 |
| Yountville (Ranch 67) | 7/23/26 | 87.0 4.8 | 1531 | 48.8 5.4 | 0542 | 53.4 2.7 | 93 6 | 34 6 | 3.3 | 15.5 0.4 | 1602 | SE | 133 | 0.00 | 0.00 | 0.226 0.024 | 696 75 | 90 10 |
| Stags Leap Dist (Silverado Vineyards) | 7/23/26 | 89.5 4.8 | 1508 | 50.1 4.6 | 0549 | 53.7 3.0 | 94 6 | 31 7 | 2.8 | 15.5 3.6 | 2032 | E | 101 | 0.00 | 0.00 | 0.218 0.029 | 625 31 | 100 10 |
| Borreo (Soda Canyon) | 7/23/26 | 85.6 4.2 | 1610 | 48.7 4.3 | 0535 | 52.8 3.2 | 96 4 | 34 7 | 2.0 | 12.0 1.8 | 1826 | SE | 146 | 0.00 | 0.00 | 0.216 0.017 | 673 46 | 100 10 |
| Wappo Hill Floor | 7/23/26 | 89.3 4.2 | 1549 | 49.7 6.5 | 0437 | 55.1 2.4 | 100 11 | 34 5 | 2.8 | 13.8 6.2 | 1525 | SE | 125 | 0.00 | 0.00 | 0.225 0.014 | 656 45 | 90 10 |
| Stags Leap Dist (Chimney Rock) | 7/23/26 | 88.1 3.5 | 1542 | 49.9 4.7 | 0433 | 56.5 3.1 | 97 6 | 39 6 | 2.8 | 14.4 1.0 | 1810 | ESE | 117 | 0.00 | 0.00 | 0.200 0.011 | 584 22 | 90 10 |
| Yountville-South (Ranch 87) | 7/23/26 | 90.1 5.8 | 1615 | 50.2 5.0 | 0521 | 55.2 2.9 | 100 9 | 32 8 | 1.8 | 11.7 2.6 | 1537 | ESE | 108 | 0.00 | 0.00 | 0.212 0.020 | 648 56 | 60 10 |
| Yountville-SE (Ranch 85) | 7/23/26 | 88.1 3.1 | 1523 | 50.8 5.5 | 0456 | 55.6 2.9 | 96 6 | 36 4 | 2.8 | 14.3 0.6 | 1616 | SE | 143 | 0.00 | 0.00 | - | 0 0 | 90 10 |
| Oak Knoll-East (Ranch 53) | 7/23/26 | 88.0 4.5 | 1547 | 50.8 5.2 | 0519 | 54.4 2.9 | 94 8 | 32 6 | 2.6 | 14.0 0.4 | 1244 | SE | 145 | 0.00 | 0.00 | 0.221 0.031 | 658 89 | 90 10 |
| Napa-NW (Ranch 54) | 7/23/26 | 90.8 5.9 | 1542 | 51.9 5.0 | 0546 | 54.6 2.3 | 94 7 | 27 11 | 0.7 | 9.1 3.9 | 1451 | SW | 214 | 0.00 | 0.00 | - | 0 0 | 80 10 |
| Napa-North (Ranch 29) | 7/23/26 | 85.6 5.0 | 1558 | 53.4 5.2 | 0350 | 56.4 1.9 | 100 13 | 37 11 | 1.9 | 14.9 1.3 | 1641 | S | 186 | 0.00 | 0.00 | 0.146 0.006 | 413 28 | 100 0 |
| Max | 95.7 | - | 56.7 | - | 57.0 | 100 | 39 | 3.4 | 15.9 | - | - | 0.00 | 0.00 | 0.232 | 696 | - | |
| Avg | - | - | - | - | 54.8 | - | - | 2.2 | - | - | - | - | - | - | - | - | |
| Min | 85.6 | - | 47.9 | - | 52.8 | 90 | 17 | 0.7 | 9.0 | - | - | 0.00 | 0.00 | 0.028 | 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 | 7/23/26 | 87.0 10.8 | 1535 | 54.2 3.1 | 0526 | 53.0 3.5 | 100 8 | 23 27 | 1.5 | 11.6 4.5 | 1349 | S | 184 | 0.00 | 0.00 | 0.229 0.079 | 758 247 | 80 10 |
| Mount George (Napa East) | 7/23/26 | 89.4 8.7 | 1500 | 50.7 7.7 | 0419 | 55.4 4.1 | 96 4 | 37 8 | 1.8 | 12.0 1.2 | 1510 | SSE | 155 | 0.00 | 0.00 | 0.205 0.028 | 639 83 | 90 10 |
| Napa-East (Palmaz 300') | 7/23/26 | 88.3 4.8 | 1552 | 52.4 2.8 | 0414 | 55.3 2.6 | 100 8 | 34 8 | 1.9 | 13.0 1.6 | 1457 | SW | 223 | 0.00 | 0.00 | 0.190 0.016 | 558 38 | 90 10 |
| Napa-East (Palmaz 1200') | 7/3/26 | 79.0 6.0 | 1616 | 49.0 3.8 | 0539 | 47.1 0.2 | 100 0 | 45 38 | 2.0 | 12.7 4.5 | 1533 | NW | 313 | - | - | 0.192 0.009 | 656 3 | 30 20 |
| Napa-East (Palmaz 1400') | 7/23/26 | 81.9 6.2 | 1530 | 53.5 0.9 | 0544 | 55.4 2.4 | 100 0 | 43 11 | 3.2 | 14.0 4.5 | 1549 | SW | 229 | 0.00 | 0.00 | 0.205 0.046 | 671 129 | 100 0 |
| Wooden Valley | 7/23/26 | 86.0 6.2 | 1514 | 57.1 3.4 | 0557 | 53.8 2.5 | 88 6 | 34 10 | 4.0 | 15.9 2.4 | 1542 | SW | 231 | 0.00 | 0.00 | 0.233 0.042 | 699 108 | 100 0 |
| Napa-West Upper (Truchard) | 7/23/26 | 88.8 4.9 | 1456 | 52.1 3.6 | 0555 | 19.4 39.1 | 100 0 | 0 39 | 3.0 | 16.7 1.6 | 1601 | SSW | 211 | 0.00 | 0.00 | 0.229 0.043 | 645 123 | 90 10 |
| Napa-West Lower (Truchard) | 7/23/26 | 88.4 3.5 | 1442 | 46.4 5.5 | 0536 | 52.4 5.0 | 95 5 | 33 5 | - | - | - | - | - | - | - | - | 90 10 |
| Napa-South (Toyon Farms) | 7/23/26 | 85.4 5.0 | 1429 | 54.1 3.9 | 0602 | 57.6 2.8 | 100 7 | 44 9 | 3.6 | 15.8 1.5 | 1619 | SSW | 203 | 0.00 | 0.00 | 0.127 0.016 | 346 25 | 100 0 |
| Toyon Remote 1 | 7/23/26 | 88.0 2.9 | 1409 | 48.5 7.2 | 0558 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 2 | 7/23/26 | 85.9 4.4 | 1445 | 51.5 6.3 | 0404 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 3 | 7/23/26 | 88.7 3.7 | 1431 | 50.2 6.7 | 0410 | - | - | - | - | - | - | - | - | - | - | - | - |
| Dealy Lane (Ranch 80) | 7/23/26 | 84.6 3.5 | 1416 | 52.8 5.0 | 0555 | 54.6 3.0 | 95 6 | 36 8 | 2.6 | 16.7 0.7 | 1626 | WSW | 257 | 0.00 | 0.00 | 0.210 0.042 | 649 128 | 100 0 |
| Carneros (Saintsbury) | 7/23/26 | 84.3 4.6 | 1442 | 51.5 5.0 | 0652 | 54.5 3.2 | 100 9 | 37 9 | 5.8 | 21.7 1.5 | 1727 | WSW | 244 | 0.00 | 0.00 | - | - | 100 0 |
| Suscol Lower (Ranch 35) | 7/23/26 | 86.3 5.4 | 1545 | 53.7 3.1 | 0038 | 55.1 2.4 | 100 8 | 33 9 | 4.8 | 16.2 3.8 | 1409 | SSW | 196 | 0.00 | 0.00 | 0.215 0.032 | 610 97 | 100 0 |
| Suscol Mtn (Ranch 93) | 7/23/26 | 86.4 5.9 | 1543 | 53.8 1.7 | 0539 | 55.9 2.1 | 100 2 | 38 12 | 5.7 | 20.8 5.2 | 1653 | WNW | 293 | 0.00 | 0.00 | - | - | 100 0 |
| Suscol Upper (Ranch 92) | 7/23/26 | 83.1 6.4 | 1547 | 54.8 1.3 | 0505 | 39.7 11.8 | 100 0 | 0 0 | 4.2 | 20.2 4.4 | 1538 | SW | 234 | 0.00 | 0.00 | - | - | 90 20 |
| Stanly (Ranch 45) | 7/23/26 | 85.0 5.5 | 1524 | 51.8 5.9 | 0421 | 55.0 2.9 | 95 7 | 36 10 | 5.6 | 17.3 4.0 | 1343 | W | 277 | 0.00 | 0.00 | 0.242 0.033 | 723 96 | 100 0 |
| Carneros Upper (Ranch 81) | 7/23/26 | 81.8 2.8 | 1435 | 56.4 1.0 | 0521 | 32.1 25.4 | - | - | 10.8 | 29.2 1.2 | 1701 | WSW | 256 | - | - | - | - | 100 0 |
| Carneros (Mitsuko) | 7/23/26 | 85.1 4.9 | 1436 | 52.1 6.0 | 0051 | - | - | - | - | - | - | - | - | - | - | - | 100 0 |
| Carneros Lower (Ranch 81) | 7/23/26 | 89.9 5.0 | 1426 | 55.8 2.1 | 0049 | 56.2 2.4 | 94 3 | 34 7 | 0.8 | 12.7 1.6 | 1728 | NW | 310 | 0.00 | 0.00 | 0.201 0.041 | 644 142 | 90 10 |
| Carneros (Milton Rd) | 7/23/26 | 86.2 6.3 | 1446 | 55.7 3.2 | 0403 | 55.5 2.5 | 94 5 | 35 10 | - | - | - | - | 0.00 | 0.00 | - | - | 90 10 |
| Max | 89.9 | - | 57.1 | - | 57.6 | 100 | 44 | 10.8 | 29.2 | - | - | 0.00 | 0.00 | 0.242 | 758 | - | |
| Avg | - | - | - | - | 50.6 | - | - | 4.0 | - | - | - | - | - | - | - | - | |
| Min | 81.8 | - | 46.4 | - | 19.4 | 88 | 0 | 0.8 | 11.6 | - | - | 0.00 | 0.00 | 0.127 | 346 | - |