| 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 | 9/18/26 | 82.8 9.0 | 1631 | 47.9 2.3 | 0304 | - | - | - | - | - | - | - | 0.00 | 0.82 | - | - | 100 20 |
| Pope Valley (Weeks Lake) | 9/18/26 | 87.8 11.4 | 1520 | 41.9 1.2 | 0621 | 48.3 0.3 | 100 0 | 25 13 | 1.4 0.1 | 11.2 1.3 | 1624 | W | 266 | 0.00 | 0.03 | 0.147 0.022 | 453 30 | 10 10 |
| Dollarhide Base | 9/18/26 | 90.1 10.6 | 1448 | 48.1 2.4 | 0644 | 52.7 0.1 | 99 4 | 28 12 | 2.1 0.4 | 14.1 0.7 | 1721 | W | 268 | 0.00 | 0.00 | 0.167 0.043 | 484 85 | 30 10 |
| Dollarhide 1AS Remote | 9/18/26 | 90.2 10.4 | 1516 | 42.2 5.6 | 0652 | 49.6 2.1 | 92 0 | 28 11 | 1.5 0.8 | 15.1 1.8 | 1516 | SW | 228 | - | - | - | - | 30 10 |
| Dollarhide 16A Remote | 9/18/26 | 90.8 11.4 | 1516 | 47.2 0.6 | 0659 | 52.2 0.1 | 98 1 | 28 12 | - | - | - | - | - | - | - | - | 30 10 |
| Dollarhide 18A Remote | 9/18/26 | 89.1 9.3 | 1458 | 40.5 7.5 | 0638 | 48.9 2.5 | 96 2 | 28 11 | - | - | - | - | - | - | - | - | 0 0 |
| Hardin Rd (Eakle) | 9/18/26 | 89.0 10.2 | 1447 | 44.2 4.6 | 0656 | - | - | - | - | - | - | - | - | - | - | - | 10 10 |
| Angwin | 9/18/26 | 79.6 10.6 | 1457 | 55.2 6.4 | 0250 | 47.7 1.3 | 82 17 | 28 20 | 3.2 0.9 | 11.2 0.7 | 1317 | SE | 131 | 0.00 | 0.30 | 0.041 0.023 | 0 0 | 100 20 |
| Lower Angwin (Pioneer) | 9/18/26 | 80.2 8.4 | 1552 | 43.1 0.0 | 0153 | - | - | - | 1.8 0.2 | 11.5 1.1 | 1654 | WSW | 256 | - | - | - | - | 100 20 |
| Las Posadas (Cal Fire) | 9/18/26 | 83.0 9.5 | 1435 | 51.1 1.5 | 0511 | 50.7 0.3 | 95 1 | 31 13 | 5.3 0.1 | 18.6 1.3 | 1818 | WSW | 256 | 0.00 | 0.23 | 0.177 0.069 | 459 131 | - |
| Deer Park | 9/18/26 | 86.2 8.7 | 1540 | 52.0 0.5 | 0713 | 50.5 0.1 | 91 0 | 27 12 | 3.5 0.8 | 14.8 1.1 | 1630 | SW | 227 | 0.00 | 0.04 | 0.143 0.048 | 342 88 | 60 10 |
| Lower Chiles Valley (Brown) | 9/18/26 | 85.3 9.4 | 1535 | 42.1 1.7 | 0644 | 48.6 0.8 | 100 0 | 27 12 | 2.3 0.3 | 15.6 5.8 | 1647 | WNW | 296 | 0.00 | 0.14 | 0.168 0.052 | 506 111 | 30 20 |
| Moss Creek Vineyard/Reservior | 9/18/26 | 87.4 9.4 | 1601 | 45.2 1.6 | 0703 | 49.8 0.1 | 96 1 | 23 12 | - | - | - | - | 0.00 | 0.04 | - | - | 0 0 |
| Max | 90.8 | - | 55.2 | - | 52.7 | 100 | 31 | 5.3 | 18.6 | - | - | 0.00 | 0.82 | 0.177 | 506 | - | |
| Avg | - | - | - | - | 49.9 | - | - | 2.6 | - | - | - | - | - | - | - | - | |
| Min | 79.6 | - | 40.5 | - | 47.7 | 82 | 23 | 1.4 | 11.2 | - | - | 0.00 | 0.00 | 0.041 | 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 | 9/18/26 | 87.2 7.7 | 1502 | 48.1 3.7 | 0618 | 52.6 0.5 | 97 6 | 32 10 | - | - | - | - | 0.00 | 0.09 | - | - | 20 10 |
| Diamond Mtn (Schramsberg) | 9/18/26 | 85.0 11.0 | 1436 | 51.8 1.1 | 0652 | 50.6 0.4 | 93 5 | 27 16 | - | - | - | - | 0.00 | 0.13 | - | - | 100 20 |
| Diamond Mtn (McEachran) | 9/18/26 | 84.6 6.3 | 1515 | 51.4 2.8 | 0719 | 51.1 0.0 | 94 6 | 29 10 | - | - | - | - | - | - | - | - | 100 20 |
| St. Helena-North | 9/18/26 | 89.2 11.7 | 1438 | 48.4 3.6 | 0701 | 48.6 0.4 | 88 4 | 23 13 | 1.6 | 10.5 3.1 | 1703 | W | 276 | 0.00 | 0.11 | 0.144 0.029 | 432 86 | 50 10 |
| St. Helena (NVV Office) | 9/18/26 | 89.5 9.7 | 1609 | 49.3 1.0 | 0727 | - | - | - | 1.1 | 10.5 0.4 | 1639 | SW | 232 | 0.00 | 0.04 | - | - | 60 10 |
| Tiara Fria (East St. Helena) | 9/18/26 | 88.0 10.2 | 1436 | 46.7 0.1 | 0621 | 49.9 0.7 | 92 2 | 26 12 | 1.8 | 13.7 1.0 | 1723 | WSW | 250 | 0.00 | 0.02 | - | - | 50 10 |
| Prisoner Winery | 9/18/26 | 89.2 9.2 | 1548 | 47.0 0.5 | 0623 | 50.2 0.3 | 96 1 | 25 11 | 1.3 | 13.3 4.5 | 1516 | SSW | 205 | 0.00 | 0.06 | 0.028 0.010 | 0 0 | 30 10 |
| Rutherford Hill Estate | 9/18/26 | 90.3 11.0 | 1548 | 50.8 0.4 | 0709 | 51.6 0.1 | 95 5 | 25 11 | 1.5 | 11.8 0.2 | 1657 | W | 267 | 0.00 | 0.08 | 0.139 0.039 | 414 90 | 10 10 |
| Rutherford-North (Mee Ln) | 9/18/26 | 89.2 9.1 | 1551 | 43.2 0.5 | 0658 | 49.5 0.7 | 94 0 | 26 10 | 2.1 | 12.5 0.9 | 1517 | WSW | 246 | 0.00 | 0.06 | 0.151 0.043 | 445 102 | 90 10 |
| Rutherford (STS) | 9/18/26 | 89.5 8.8 | 1432 | 43.6 0.1 | 0700 | 52.4 1.1 | 92 0 | 31 10 | 1.7 | 12.1 0.6 | 1642 | W | 269 | 0.00 | 0.05 | 0.165 0.055 | 505 136 | 90 10 |
| Oakville-NE (Ranch 88) | 9/18/26 | 89.7 10.8 | 1550 | 43.7 1.1 | 0657 | 48.2 0.8 | 90 2 | 25 11 | 1.4 | 11.2 1.2 | 1629 | WNW | 284 | 0.00 | 0.04 | 0.144 0.049 | 436 130 | 100 0 |
| OV561-East | 9/18/26 | 90.2 7.7 | 1542 | 45.6 0.4 | 0708 | - | - | - | - | - | - | - | - | - | - | - | 50 10 |
| Oakville | 9/18/26 | 87.0 9.7 | 1549 | 44.5 0.1 | 0712 | 49.8 0.7 | 93 1 | 29 10 | 2.6 | 14.0 2.1 | 1656 | WSW | 254 | 0.00 | 0.03 | 0.163 0.056 | 486 140 | 70 10 |
| OV518-West | 9/18/26 | 85.3 9.3 | 1543 | 45.0 0.5 | 0701 | - | - | - | - | - | - | - | - | - | - | - | 100 10 |
| To Kalon Remote (TKKE) | 9/18/26 | 89.2 9.6 | 1538 | 45.7 0.2 | 0653 | - | - | - | - | - | - | - | - | - | - | - | 90 10 |
| To Kalon | 9/18/26 | 88.6 11.1 | 1543 | 45.9 0.1 | 0615 | 51.2 0.3 | 96 0 | 29 12 | 2.2 | 11.5 0.3 | 1622 | NW | 311 | 0.00 | 0.00 | 0.157 0.062 | 486 188 | 70 10 |
| To Kalon Remote (TKN5) | 9/18/26 | 88.7 9.6 | 1506 | 46.2 0.1 | 0658 | - | - | - | - | - | - | - | - | - | - | - | 90 10 |
| Yountville (Ranch 67) | 9/18/26 | 86.7 10.3 | 1635 | 44.8 0.5 | 0643 | 49.5 1.1 | 92 0 | 27 11 | 2.5 | 11.6 0.9 | 1327 | SSE | 156 | 0.00 | 0.05 | 0.159 0.039 | 531 87 | 70 10 |
| Stags Leap Dist (Silverado Vineyards) | 9/18/26 | 87.4 12.0 | 1644 | 44.8 0.1 | 0702 | 49.8 0.8 | 95 1 | 27 15 | 2.1 | 11.6 0.1 | 1826 | E | 86 | 0.00 | 0.07 | 0.158 0.050 | 484 138 | 80 10 |
| Borreo (Soda Canyon) | 9/18/26 | 82.8 8.7 | 1527 | 46.2 0.1 | 0533 | 49.7 0.2 | 98 2 | 30 12 | 1.8 | 12.6 2.3 | 1632 | S | 171 | 0.00 | 0.31 | 0.149 0.050 | 480 151 | 80 10 |
| Wappo Hill Floor | 9/18/26 | 86.8 9.5 | 1556 | 44.4 0.0 | 0635 | 51.3 0.9 | 100 0 | 29 12 | 2.7 | 15.1 3.8 | 1703 | SSE | 147 | 0.00 | 0.10 | 0.162 0.053 | 478 133 | 90 10 |
| Stags Leap Dist (Chimney Rock) | 9/18/26 | 85.8 8.8 | 1610 | 43.9 0.8 | 0646 | 52.7 0.6 | 99 1 | 37 11 | 2.3 | 12.8 1.3 | 1716 | SE | 129 | 0.00 | 0.10 | 0.145 0.043 | 447 121 | 100 0 |
| Yountville-South (Ranch 87) | 9/18/26 | 86.9 8.9 | 1623 | 44.9 0.7 | 0648 | 51.6 0.6 | 100 0 | 29 12 | 1.6 | 12.4 1.2 | 1703 | NW | 316 | 0.00 | 0.09 | 0.134 0.028 | 395 52 | 90 10 |
| Yountville-SE (Ranch 85) | 9/18/26 | 85.7 8.5 | 1618 | 45.4 0.9 | 0714 | 51.7 0.6 | 94 1 | 32 11 | 2.3 | 14.0 3.9 | 1637 | SSE | 154 | 0.00 | 0.08 | - | 0 0 | 100 0 |
| Oak Knoll-East (Ranch 53) | 9/18/26 | 86.3 9.1 | 1604 | 45.8 2.4 | 0644 | 50.6 0.2 | 92 1 | 28 14 | 2.2 | 12.6 1.4 | 1408 | SE | 138 | 0.00 | 0.15 | 0.163 0.050 | 511 141 | 90 10 |
| Napa-NW (Ranch 54) | 9/18/26 | 86.7 9.0 | 1630 | 46.5 3.8 | 0627 | 50.5 0.5 | 93 1 | 27 15 | 0.9 | 10.6 1.5 | 1526 | SSW | 200 | 0.00 | 0.18 | - | 0 0 | 90 10 |
| Napa-North (Ranch 29) | 9/18/26 | 82.9 6.7 | 1612 | 46.8 5.4 | 0631 | 52.8 0.3 | 100 0 | 33 11 | 1.7 | 15.9 3.3 | 1636 | S | 183 | 0.00 | 0.10 | 0.103 0.011 | 292 11 | 90 20 |
| Max | 90.3 | - | 51.8 | - | 52.8 | 100 | 37 | 2.7 | 15.9 | - | - | 0.00 | 0.31 | 0.165 | 531 | - | |
| Avg | - | - | - | - | 50.7 | - | - | 1.9 | - | - | - | - | - | - | - | - | |
| Min | 82.8 | - | 43.2 | - | 48.2 | 88 | 23 | 0.9 | 10.5 | - | - | 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 | 9/18/26 | 80.2 12.4 | 1430 | 54.4 3.6 | 0510 | 50.5 0.0 | 86 7 | 32 22 | 1.3 | 9.5 0.6 | 1451 | SSE | 157 | 0.00 | 0.45 | 0.399 0.151 | - | 100 20 |
| Mount George (Napa East) | 9/18/26 | 104.7 27.4 | 1914 | 47.9 4.2 | 0640 | 53.9 1.2 | 100 9 | 39 7 | 1.3 | 10.7 0.2 | 1550 | SE | 143 | 0.00 | 0.16 | 0.151 0.041 | 499 126 | 100 20 |
| Napa-East (Palmaz 300') | 9/18/26 | 86.1 7.2 | 1501 | 48.5 4.2 | 0701 | 52.0 0.1 | 100 7 | 35 4 | 1.5 | 12.3 2.8 | 1731 | SE | 143 | 0.00 | 0.16 | 0.143 0.038 | 450 114 | 100 0 |
| Napa-East (Palmaz 1200') | 9/14/26 | 80.8 4.1 | 1344 | 47.1 4.1 | 0557 | 46.5 1.6 | 92 8 | 29 22 | 2.4 | 12.0 0.9 | 1614 | SW | 226 | - | - | 0.153 0.004 | 498 20 | 20 20 |
| Napa-East (Palmaz 1400') | 9/18/26 | 78.6 7.1 | 1503 | 47.0 4.4 | 0452 | 51.6 0.5 | 100 0 | 44 6 | 2.2 | 13.9 2.3 | 1553 | SW | 215 | 0.00 | 0.33 | 0.145 0.045 | 481 121 | 90 20 |
| Wooden Valley | 9/18/26 | 82.8 9.2 | 1511 | 45.6 3.7 | 0526 | 49.7 0.1 | 96 1 | 33 9 | 2.6 | 19.5 4.9 | 1628 | S | 189 | 0.00 | 0.04 | 0.159 0.039 | 486 85 | 100 20 |
| Napa-West Upper (Truchard) | 9/18/26 | 87.0 10.0 | 1515 | 50.3 3.9 | 0609 | 33.4 19.2 | 100 2 | 0 42 | 2.8 | 18.5 4.9 | 1604 | SSW | 213 | 0.00 | 0.10 | 0.242 0.070 | 892 182 | 70 10 |
| Napa-West Lower (Truchard) | 9/18/26 | 86.3 8.0 | 1507 | 43.4 5.2 | 0556 | 49.4 1.9 | 97 9 | 28 12 | - | - | - | - | - | - | - | - | 70 10 |
| Napa-South (Toyon Farms) | 9/18/26 | 85.0 10.0 | 1536 | 50.7 4.1 | 0705 | 54.8 0.2 | 100 8 | 36 16 | 3.3 | 15.2 1.2 | 1628 | WSW | 256 | 0.00 | 0.07 | 0.091 0.023 | 227 36 | 90 20 |
| Toyon Remote 1 | 9/18/26 | 87.1 11.1 | 1517 | 45.8 4.4 | 0611 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 2 | 9/18/26 | 83.7 8.0 | 1528 | 45.8 5.6 | 0624 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 3 | 9/18/26 | 87.4 11.2 | 1539 | 46.2 4.3 | 0626 | - | - | - | - | - | - | - | - | - | - | - | - |
| Dealy Lane (Ranch 80) | 9/18/26 | 85.1 9.8 | 1452 | 47.0 5.2 | 0632 | 51.0 0.8 | 95 8 | 29 16 | 2.3 | 14.8 2.3 | 1651 | SW | 229 | 0.00 | 0.08 | 0.153 0.057 | 487 189 | 100 20 |
| Carneros (Saintsbury) | 9/18/26 | 83.4 9.5 | 1531 | 46.1 6.5 | 0621 | 51.4 0.7 | 100 13 | 32 14 | 4.3 | 19.4 5.0 | 1708 | W | 266 | 0.00 | 0.08 | - | - | 90 20 |
| Suscol Lower (Ranch 35) | 9/18/26 | 79.8 5.5 | 1457 | 48.5 3.8 | 0634 | 52.6 0.6 | 100 11 | 39 6 | 4.1 | 15.9 1.5 | 1558 | SSW | 209 | 0.00 | 0.15 | 0.152 0.040 | 464 143 | 90 20 |
| Suscol Mtn (Ranch 93) | 9/18/26 | 82.3 7.0 | 1522 | 53.0 0.9 | 0503 | 53.4 1.0 | 96 2 | 41 8 | 3.9 | 17.0 0.7 | 1650 | WNW | 295 | 0.00 | 0.33 | - | - | 80 20 |
| Suscol Upper (Ranch 92) | 9/18/26 | 78.5 6.5 | 1522 | 52.8 1.3 | 0636 | 42.4 10.0 | 100 7 | 0 48 | 2.3 | 15.8 1.3 | 1546 | SW | 216 | 0.00 | 0.15 | - | - | 40 20 |
| Stanly (Ranch 45) | 9/18/26 | 80.3 5.4 | 1655 | 44.0 7.5 | 0620 | 51.8 0.7 | 95 7 | 36 10 | 3.9 | 16.8 2.2 | 1551 | SW | 216 | 0.00 | 0.15 | 0.156 0.037 | 489 144 | 100 20 |
| Carneros Upper (Ranch 81) | 9/18/26 | 83.1 9.1 | 1454 | 52.0 4.2 | 0639 | 27.4 24.9 | - | - | 7.1 | 28.5 3.3 | 1750 | W | 275 | - | - | - | - | 90 20 |
| Carneros (Mitsuko) | 9/18/26 | 84.7 10.4 | 1517 | 44.0 3.7 | 0659 | - | - | - | - | - | - | - | - | - | - | - | 90 20 |
| Carneros Lower (Ranch 81) | 9/18/26 | 88.6 12.2 | 1541 | 50.1 6.0 | 0733 | 50.7 2.7 | 100 11 | 0 45 | 1.3 | 14.0 2.4 | 1414 | S | 175 | 0.00 | 0.01 | 0.022 0.002 | 15 11 | 60 10 |
| Carneros (Milton Rd) | 9/18/26 | 81.2 7.6 | 1641 | 46.1 5.6 | 0518 | 51.3 1.2 | 93 7 | 33 13 | - | - | - | - | 0.00 | 0.00 | - | - | 90 20 |
| Max | 104.7 | - | 54.4 | - | 54.8 | 100 | 44 | 7.1 | 28.5 | - | - | 0.00 | 0.45 | 0.399 | 892 | - | |
| Avg | - | - | - | - | 48.7 | - | - | 2.9 | - | - | - | - | - | - | - | - | |
| Min | 78.5 | - | 43.4 | - | 27.4 | 86 | 0 | 1.3 | 9.5 | - | - | 0.00 | 0.00 | 0.022 | 15 | - |