| 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 | 5/9/26 | 82.7 5.4 | 1548 | 50.9 7.4 | 0327 | - | - | - | - | - | - | - | 0.00 | 50.09 | - | - | 60 20 |
| Pope Valley (Weeks Lake) | 5/9/26 | 88.0 5.3 | 1520 | 46.8 0.8 | 0611 | 54.0 0.0 | 100 0 | 33 1 | 1.7 | 12.1 0.0 | 1523 | SW | 217 | 0.00 | 26.24 | 0.204 0.019 | 606 25 | 90 10 |
| Dollarhide Base | 5/9/26 | 88.1 2.1 | 1439 | 51.4 2.1 | 0620 | 57.3 2.5 | 99 1 | 36 10 | 3.6 | 18.4 4.3 | 1555 | SW | 216 | 0.00 | 23.14 | 0.241 0.091 | 689 21 | 90 10 |
| Dollarhide 1AS Remote | 5/9/26 | 87.3 3.5 | 1341 | 47.8 1.7 | 0601 | 56.0 3.3 | 94 1 | 37 8 | 2.7 | 17.5 5.5 | 1630 | SW | 225 | - | - | - | - | 90 10 |
| Dollarhide 18A Remote | 5/9/26 | 86.2 4.1 | 1542 | 45.3 1.9 | 0548 | 55.8 3.9 | 100 0 | 38 9 | - | - | - | - | - | - | - | - | 70 10 |
| Angwin | 5/9/26 | 77.6 2.4 | 1523 | 60.1 4.0 | 0149 | 51.6 0.8 | 71 10 | 36 8 | 3.4 | 12.8 1.4 | 1624 | SSE | 149 | 0.00 | 45.11 | 0.047 0.011 | 0 0 | 20 20 |
| Lower Angwin (Pioneer) | 5/9/26 | 79.8 3.9 | 1528 | 47.8 5.0 | 0051 | - | - | - | 2.5 | 16.2 4.3 | 1453 | WSW | 245 | - | - | - | - | 60 20 |
| Deer Park | 5/9/26 | 85.5 6.2 | 1621 | 49.7 0.6 | 0601 | 53.2 0.5 | 95 4 | 35 13 | 3.0 | 12.1 0.4 | 1655 | NW | 304 | 0.00 | 28.72 | 0.161 0.024 | 454 39 | 60 20 |
| Lower Chiles Valley (Brown) | 5/9/26 | 83.0 3.9 | 1630 | 47.8 2.3 | 0621 | 53.4 1.0 | 100 0 | 39 6 | 3.9 | 15.7 3.2 | 1659 | WNW | 288 | 0.00 | 25.87 | 0.202 0.026 | 657 33 | 70 20 |
| Moss Creek Vineyard/Reservior | 5/9/26 | 87.6 2.7 | 1632 | 49.4 1.2 | 0628 | 54.4 1.0 | 100 0 | 31 6 | - | - | - | - | 0.00 | 27.05 | - | - | 40 10 |
| Max | 88.1 | - | 60.1 | - | 57.3 | 100 | 39 | 3.9 | 18.4 | - | - | 0.00 | 50.09 | 0.241 | 689 | - | |
| Avg | - | - | - | - | 54.5 | - | - | 3.0 | - | - | - | - | - | - | - | - | |
| Min | 77.6 | - | 45.3 | - | 51.6 | 71 | 31 | 1.7 | 12.1 | - | - | 0.00 | 23.14 | 0.047 | 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 | 5/9/26 | 89.1 2.7 | 1501 | 48.3 3.8 | 0606 | 55.2 0.0 | 99 1 | 37 1 | - | - | - | - | 0.00 | 32.79 | - | - | 50 10 |
| Diamond Mtn (Schramsberg) | 5/9/26 | 85.1 3.8 | 1505 | 50.0 0.8 | 0605 | 53.9 0.1 | 100 0 | 35 6 | - | - | - | - | 0.00 | 31.20 | - | - | 60 20 |
| Diamond Mtn (McEachran) | 5/9/26 | 84.4 2.6 | 1654 | 50.2 0.5 | 0605 | 53.6 0.7 | 96 2 | 36 8 | - | - | - | - | - | - | - | - | 60 20 |
| St. Helena-North | 5/9/26 | 88.0 7.5 | 1654 | 49.0 3.8 | 0610 | 51.9 0.7 | 91 1 | 28 12 | 2.4 | 11.8 3.1 | 1405 | SSE | 156 | 0.00 | 31.03 | 0.181 0.015 | 538 37 | 90 10 |
| St. Helena (NVV Office) | 5/9/26 | 88.7 6.2 | 1624 | 49.7 3.4 | 0609 | - | - | - | 1.4 | 9.6 0.5 | 1456 | SE | 129 | 0.00 | 28.47 | - | - | 90 10 |
| Tiara Fria (East St. Helena) | 5/9/26 | 83.5 4.4 | 1605 | 50.0 3.0 | 0626 | 53.4 0.2 | 94 2 | 44 6 | 2.5 | 12.6 0.5 | 1727 | ESE | 117 | 0.00 | 26.44 | - | - | 90 20 |
| Rutherford Hill Estate | 5/9/26 | 83.4 4.7 | 1620 | 50.2 1.2 | 0527 | 53.7 0.4 | 100 0 | 45 5 | 1.6 | 12.9 1.1 | 1747 | SSW | 207 | 0.00 | 25.00 | 0.173 0.017 | 567 28 | 90 20 |
| Rutherford-North (Mee Ln) | 5/9/26 | 82.3 3.7 | 1546 | 44.6 4.8 | 0556 | 52.5 0.2 | 96 0 | 46 4 | 3.2 | 16.0 1.1 | 1602 | SE | 132 | 0.00 | 24.52 | 0.189 0.029 | 578 63 | 100 20 |
| Rutherford (STS) | 5/9/26 | 83.8 4.2 | 1452 | 47.0 3.5 | 0553 | 54.3 0.1 | 91 0 | 51 4 | 2.6 | 14.1 2.1 | 1811 | ESE | 119 | 0.00 | 25.82 | 0.208 0.029 | 671 69 | 100 0 |
| Oakville-NE (Ranch 88) | 5/9/26 | 82.5 4.2 | 1525 | 46.5 5.0 | 0618 | 51.8 1.1 | 99 0 | 43 3 | 2.8 | 15.1 0.7 | 1908 | SSE | 154 | 0.00 | 24.92 | 0.193 0.026 | 602 56 | 0 0 |
| OV561-East | 5/9/26 | 82.8 3.6 | 1700 | 48.0 5.1 | 0504 | - | - | - | - | - | - | - | - | - | - | - | 50 20 |
| Oakville | 5/9/26 | 80.0 3.7 | 1540 | 47.4 4.4 | 0602 | 52.4 0.7 | 97 0 | 46 5 | 3.6 | 17.5 0.9 | 1906 | SE | 129 | 0.00 | 25.51 | 0.200 0.030 | 641 73 | 20 20 |
| OV518-West | 5/9/26 | 80.5 3.5 | 1537 | 48.1 4.7 | 0428 | - | - | - | - | - | - | - | - | - | - | - | 30 20 |
| To Kalon Remote (TKKE) | 5/9/26 | 83.8 4.5 | 1527 | 47.0 3.6 | 0611 | - | - | - | - | - | - | - | - | - | - | - | 100 0 |
| To Kalon | 5/9/26 | 80.6 3.2 | 1522 | 47.4 3.8 | 0616 | 53.3 0.7 | 99 0 | 47 6 | 3.6 | 15.3 1.1 | 1925 | SSE | 162 | 0.00 | 27.70 | 0.189 0.032 | 585 82 | 50 20 |
| To Kalon Remote (TKN5) | 5/9/26 | 84.6 4.5 | 1528 | 47.5 4.2 | 0521 | - | - | - | - | - | - | - | - | - | - | - | 90 20 |
| Yountville (Ranch 67) | 5/9/26 | 79.2 4.3 | 1644 | 46.9 4.8 | 0538 | 51.4 0.7 | 96 1 | 45 6 | 3.4 | 16.1 0.9 | 1754 | ESE | 110 | 0.00 | 23.62 | 0.194 0.024 | 656 68 | 20 20 |
| Stags Leap Dist (Silverado Vineyards) | 5/9/26 | 78.9 3.6 | 1614 | 46.8 4.7 | 0524 | 51.5 0.6 | 95 2 | 45 6 | 3.2 | 16.2 1.1 | 1906 | SSE | 150 | 0.00 | 27.62 | 0.187 0.035 | 591 90 | 0 0 |
| Borreo (Soda Canyon) | 5/9/26 | 76.5 3.9 | 1536 | 45.4 3.9 | 0542 | 51.1 0.8 | 98 0 | 47 8 | 1.8 | 10.5 1.2 | 1749 | S | 176 | 0.00 | 27.52 | 0.182 0.031 | 627 84 | 0 0 |
| Wappo Hill Floor | 5/9/26 | 80.0 4.0 | 1642 | 44.9 6.5 | 0609 | 52.2 1.0 | 100 0 | 44 5 | 3.0 | 13.8 0.8 | 1618 | SE | 140 | 0.00 | 26.75 | 0.191 0.029 | 614 69 | 40 20 |
| Stags Leap Dist (Chimney Rock) | 5/9/26 | 78.9 3.6 | 1615 | 45.7 4.7 | 0547 | 53.7 0.8 | 100 1 | 50 7 | 3.2 | 14.2 1.0 | 1844 | SE | 127 | 0.00 | 26.14 | 0.170 0.028 | 547 65 | 20 20 |
| Yountville-South (Ranch 87) | 5/9/26 | 80.2 3.7 | 1653 | 47.8 4.7 | 0513 | 53.4 0.4 | 100 0 | 44 6 | 2.4 | 12.4 1.2 | 1510 | E | 96 | 0.00 | 27.39 | 0.189 0.027 | 626 71 | 100 0 |
| Yountville-SE (Ranch 85) | 5/9/26 | 79.0 4.0 | 1529 | 48.0 4.9 | 0544 | 53.1 0.4 | 100 2 | 46 5 | 2.8 | 13.5 0.4 | 1610 | SE | 144 | 0.00 | 25.69 | - | 0 0 | 20 20 |
| Oak Knoll-East (Ranch 53) | 5/9/26 | 80.4 4.3 | 1601 | 47.7 4.5 | 0556 | 52.0 0.5 | 95 0 | 43 4 | 2.3 | 13.5 1.4 | 1637 | SE | 138 | 0.00 | 24.30 | 0.192 0.031 | 642 87 | 40 20 |
| Napa-NW (Ranch 54) | 5/9/26 | 84.1 5.2 | 1612 | 48.8 3.3 | 0523 | 52.9 0.5 | 100 0 | 41 3 | 0.6 | 7.2 1.1 | 1513 | SW | 232 | 0.00 | 26.77 | - | 0 0 | 100 0 |
| Napa-North (Ranch 29) | 5/9/26 | 78.4 4.5 | 1623 | 48.8 3.0 | 0418 | 53.1 0.2 | 100 0 | 46 7 | 1.7 | 13.3 0.1 | 1504 | SW | 218 | 0.00 | 25.18 | 0.128 0.006 | 398 20 | 20 20 |
| Max | 89.1 | - | 50.2 | - | 55.2 | 100 | 51 | 3.6 | 17.5 | - | - | 0.00 | 32.79 | 0.208 | 671 | - | |
| Avg | - | - | - | - | 52.9 | - | - | 2.5 | - | - | - | - | - | - | - | - | |
| Min | 76.5 | - | 44.6 | - | 51.1 | 91 | 28 | 0.6 | 7.2 | - | - | 0.00 | 23.62 | 0.128 | 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 | 5/9/26 | 81.8 6.9 | 1513 | 52.6 6.2 | 0457 | 53.5 0.3 | 92 8 | 39 16 | 1.1 | 9.9 0.4 | 1412 | S | 172 | 0.00 | 34.19 | 0.330 0.090 | 1,290 250 | 20 20 |
| Mount George (Napa East) | 5/9/26 | 79.4 5.0 | 1544 | 52.4 0.9 | 0333 | 55.5 0.7 | 98 1 | 50 6 | 1.6 | 11.0 1.2 | 1648 | ESE | 102 | 0.00 | 17.04 | 0.180 0.039 | 608 109 | 20 20 |
| Napa-East (Palmaz 300') | 5/9/26 | 78.4 3.6 | 1637 | 50.0 1.2 | 0308 | 53.0 0.3 | 100 0 | 47 6 | 2.0 | 11.2 0.4 | 1550 | SW | 219 | 0.00 | 23.29 | 0.158 0.023 | 522 49 | 20 20 |
| Napa-East (Palmaz 1200') | 5/9/26 | 73.2 4.0 | 1556 | 45.5 1.5 | 0312 | 48.1 2.3 | 100 0 | 3 32 | 2.0 | 11.9 0.7 | 1314 | NW | 316 | - | - | 0.174 0.031 | 640 98 | 0 0 |
| Napa-East (Palmaz 1400') | 5/9/26 | 73.7 4.0 | 1450 | 47.4 0.3 | 0604 | 52.7 1.0 | 100 0 | 57 7 | 2.6 | 12.6 1.2 | 1510 | SW | 219 | 0.00 | 30.80 | 0.176 0.034 | 639 79 | 0 0 |
| Wooden Valley | 5/9/26 | 77.5 3.4 | 1657 | 51.6 2.6 | 0628 | 52.2 0.5 | 90 7 | 48 6 | 3.9 | 16.4 1.4 | 2233 | W | 264 | 0.00 | 29.11 | 0.203 0.023 | 671 4 | 30 20 |
| Napa-West Upper (Truchard) | 5/9/26 | 79.2 4.9 | 1527 | 49.8 0.7 | 0434 | 34.1 27.3 | 100 0 | 0 0 | 3.7 | 17.2 0.4 | 1644 | SSW | 210 | 0.00 | 24.41 | 0.186 0.014 | 599 71 | 20 20 |
| Napa-West Lower (Truchard) | 5/9/26 | 81.0 4.6 | 1548 | 43.1 2.6 | 0428 | 50.7 0.7 | 100 0 | 42 3 | - | - | - | - | - | - | - | - | 100 20 |
| Napa-South (Toyon Farms) | 5/9/26 | 78.0 3.9 | 1556 | 49.4 1.5 | 0225 | 54.5 0.5 | 100 0 | 54 3 | 2.6 | 14.3 0.8 | 1446 | SSE | 157 | 0.00 | 18.34 | 0.098 0.013 | 318 19 | 0 0 |
| Toyon Remote 1 | 5/9/26 | 80.7 3.6 | 1601 | 42.1 1.1 | 0216 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 2 | 5/9/26 | 78.6 2.8 | 1632 | 45.4 2.2 | 0412 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 3 | 5/9/26 | 81.1 3.2 | 1557 | 46.0 1.9 | 0420 | - | - | - | - | - | - | - | - | - | - | - | - |
| Dealy Lane (Ranch 80) | 5/9/26 | 79.4 5.0 | 1523 | 48.3 0.5 | 0225 | 51.6 0.2 | 96 0 | 44 4 | 2.4 | 13.4 1.5 | 1607 | SW | 230 | 0.00 | 23.58 | 0.178 0.025 | 614 77 | 40 20 |
| Carneros (Saintsbury) | 5/9/26 | 78.4 3.4 | 1554 | 46.0 2.3 | 0357 | 51.6 0.4 | 100 0 | 46 2 | 3.7 | 17.1 0.6 | 1409 | SSE | 156 | 0.00 | 8.68 | - | - | 0 0 |
| Suscol Lower (Ranch 35) | 5/9/26 | 75.6 3.3 | 1520 | 48.8 1.6 | 0237 | 52.4 0.6 | - | - | 3.9 | 16.4 2.4 | 1855 | SSW | 205 | 0.00 | 22.84 | 0.166 0.025 | 543 53 | 0 0 |
| Suscol Mtn (Ranch 93) | 5/9/26 | 76.8 4.2 | 1436 | 49.8 2.1 | 0602 | 52.7 1.0 | 99 1 | 53 6 | 4.1 | 15.3 1.0 | 1502 | WNW | 291 | 0.00 | 18.60 | - | - | 0 0 |
| Suscol Upper (Ranch 92) | 5/9/26 | 73.7 2.9 | 1625 | 50.4 2.1 | 0637 | 35.3 16.1 | 100 0 | 3 0 | 1.5 | 13.7 0.6 | 1710 | SW | 233 | 0.00 | 22.35 | - | - | 0 0 |
| Stanly (Ranch 45) | 5/9/26 | 77.8 5.0 | 1721 | 45.7 3.6 | 0428 | 51.5 0.4 | 96 2 | 44 6 | 4.2 | 17.0 1.6 | 1537 | SSW | 206 | 0.00 | 22.49 | 0.197 0.025 | 662 58 | 0 0 |
| Carneros Upper (Ranch 81) | 5/9/26 | 77.4 4.0 | 1507 | 50.1 0.2 | 0203 | 51.6 22.9 | - | - | 5.1 | 21.8 4.9 | 1732 | W | 264 | - | - | - | - | 0 0 |
| Carneros (Mitsuko) | 5/9/26 | 78.4 4.0 | 1546 | 43.3 1.3 | 0319 | - | - | - | - | - | - | - | - | - | - | - | 0 0 |
| Carneros Lower (Ranch 81) | 5/9/26 | 81.0 3.3 | 1542 | 46.6 3.1 | 0409 | 49.8 2.3 | 100 7 | 0 44 | 1.2 | 11.6 0.1 | 1454 | SSE | 167 | 0.01 | 19.41 | 0.158 0.017 | 544 64 | 20 20 |
| Carneros (Milton Rd) | 5/9/26 | 76.9 2.2 | 1645 | 45.5 1.9 | 0257 | 51.7 0.1 | 95 2 | 48 4 | - | - | - | - | 0.00 | 18.07 | - | - | 0 0 |
| Max | 81.8 | - | 52.6 | - | 55.5 | 100 | 57 | 5.1 | 21.8 | - | - | 0.01 | 34.19 | 0.330 | 1,290 | - | |
| Avg | - | - | - | - | 50.1 | - | - | 2.9 | - | - | - | - | - | - | - | - | |
| Min | 73.2 | - | 42.1 | - | 34.1 | 90 | 0 | 1.1 | 9.9 | - | - | 0.00 | 8.68 | 0.098 | 318 | - |