| 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 | 9/26/26 | 76.6 3.0 | 1256 | 46.3 0.5 | 0334 | - | - | - | - | - | - | - | 0.00 | 0.82 | - | - | 90 10 |
| Pope Valley (Weeks Lake) | 9/26/26 | 81.8 2.9 | 1421 | 37.3 5.3 | 0702 | 41.3 2.3 | 100 9 | 15 2 | 0.9 1.0 | 8.8 9.0 | 1506 | SW | 218 | 0.00 | 0.03 | 0.100 0.043 | 309 92 | 80 20 |
| Dollarhide Base | 9/26/26 | 86.2 0.1 | 1326 | 46.4 7.1 | 0701 | 46.8 1.4 | 96 11 | 17 2 | 2.0 1.2 | 11.8 8.0 | 1554 | W | 262 | 0.00 | 0.00 | 0.129 0.042 | 362 77 | 40 20 |
| Dollarhide 1AS Remote | 9/26/26 | 85.1 1.2 | 1316 | 38.8 4.9 | 0654 | 43.7 1.8 | 90 6 | 17 3 | 1.4 1.2 | 11.1 5.6 | 1525 | SW | 221 | - | - | - | - | 40 20 |
| Dollarhide 16A Remote | 9/26/26 | 84.4 2.4 | 1309 | 44.3 7.6 | 0643 | 46.3 1.5 | 96 9 | 17 2 | - | - | - | - | - | - | - | - | 70 20 |
| Dollarhide 18A Remote | 9/26/26 | 83.2 1.8 | 1434 | 36.9 4.5 | 0712 | 43.2 2.0 | 95 8 | 19 5 | - | - | - | - | - | - | - | - | 80 20 |
| Hardin Rd (Eakle) | 9/26/26 | 84.1 1.6 | 1428 | 41.8 5.9 | 0658 | - | - | - | - | - | - | - | - | - | - | - | 80 20 |
| Angwin | 9/26/26 | 74.3 1.7 | 1433 | 54.1 2.9 | 0346 | 39.6 4.4 | 67 6 | 18 5 | 3.2 0.5 | 11.9 0.7 | 0901 | NNW | 345 | 0.00 | 0.30 | 0.048 0.008 | 0 0 | 80 10 |
| Lower Angwin (Pioneer) | 9/26/26 | 76.4 1.7 | 1321 | 37.9 2.2 | 0329 | - | - | - | 1.6 0.1 | 10.0 3.1 | 0934 | NE | 45 | - | - | - | - | 90 10 |
| Las Posadas (Cal Fire) | 9/26/26 | 77.7 3.0 | 1438 | 46.0 5.2 | 0328 | 44.2 1.0 | 94 16 | 15 3 | 5.8 3.2 | 15.5 7.5 | 1908 | SW | 214 | 0.00 | 0.23 | 0.143 0.048 | 356 59 | - |
| Deer Park | 9/26/26 | 81.7 3.9 | 1428 | 48.6 6.3 | 0717 | 47.1 1.2 | 96 23 | 17 6 | 2.3 2.2 | 12.4 2.6 | 1624 | NW | 313 | 0.00 | 0.04 | 0.097 0.046 | 256 60 | 70 20 |
| Lower Chiles Valley (Brown) | 9/26/26 | 79.7 3.7 | 1609 | 40.2 2.7 | 0321 | 45.1 0.9 | 100 9 | 19 3 | 2.4 0.6 | 12.8 5.9 | 1433 | W | 275 | 0.00 | 0.14 | 0.126 0.019 | 389 48 | 40 20 |
| Moss Creek Vineyard/Reservior | 9/25/26 | 85.3 10.3 | 1333 | 48.6 2.6 | 0058 | 46.1 1.5 | 76 18 | 20 11 | - | - | - | - | 0.00 | 0.04 | - | - | 30 20 |
| Max | 86.2 | - | 54.1 | - | 47.1 | 100 | 20 | 5.8 | 15.5 | - | - | 0.00 | 0.82 | 0.143 | 389 | - | |
| Avg | - | - | - | - | 44.3 | - | - | 2.4 | - | - | - | - | - | - | - | - | |
| Min | 74.3 | - | 36.9 | - | 39.6 | 67 | 15 | 0.9 | 8.8 | - | - | 0.00 | 0.00 | 0.048 | 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 | 9/26/26 | 81.2 4.9 | 1413 | 42.5 6.7 | 0720 | 47.8 0.5 | 96 10 | 27 10 | - | - | - | - | 0.00 | 0.09 | - | - | 90 20 |
| Diamond Mtn (Schramsberg) | 9/26/26 | 78.8 5.0 | 1421 | 49.4 4.0 | 0753 | 46.5 1.0 | 100 26 | 22 10 | - | - | - | - | 0.00 | 0.13 | - | - | 90 10 |
| Diamond Mtn (McEachran) | 9/26/26 | 80.5 3.3 | 1422 | 48.9 5.9 | 0744 | 46.2 0.4 | 90 18 | 20 8 | - | - | - | - | - | - | - | - | 80 10 |
| St. Helena-North | 9/26/26 | 82.9 5.3 | 1424 | 45.2 5.9 | 0703 | 44.2 0.5 | 87 13 | 12 3 | 1.4 | 9.4 4.8 | 1615 | NW | 308 | 0.00 | 0.11 | 0.097 0.032 | 300 92 | 30 20 |
| St. Helena (NVV Office) | 9/26/26 | 82.9 4.7 | 1622 | 46.2 5.9 | 0641 | - | - | - | 0.9 | 7.2 3.6 | 1450 | ENE | 69 | 0.00 | 0.04 | - | - | 40 20 |
| Tiara Fria (East St. Helena) | 9/26/26 | 82.5 4.5 | 1635 | 44.3 4.4 | 0325 | 46.8 0.5 | 89 5 | 21 9 | 1.3 | 8.6 3.6 | 1635 | W | 281 | 0.00 | 0.02 | - | - | 20 20 |
| Prisoner Winery | 9/26/26 | 84.4 2.6 | 1502 | 43.7 4.3 | 0331 | 47.7 0.2 | 95 6 | 23 9 | 1.0 | 9.1 2.5 | 1744 | SE | 136 | 0.00 | 0.06 | 0.018 0.009 | 0 0 | 20 20 |
| Rutherford Hill Estate | 9/26/26 | 83.6 2.5 | 1524 | 49.6 4.8 | 0624 | 49.0 0.7 | 93 15 | 24 2 | 1.3 | 11.6 2.6 | 1535 | SSW | 192 | 0.00 | 0.08 | 0.108 0.015 | 343 30 | 40 20 |
| Rutherford-North (Mee Ln) | 9/26/26 | 82.9 5.1 | 1503 | 41.8 2.6 | 0311 | 46.9 0.7 | 90 1 | 26 10 | 2.0 | 11.2 4.6 | 1435 | E | 86 | 0.00 | 0.06 | 0.116 0.016 | 332 48 | 70 20 |
| Rutherford (STS) | 9/26/26 | 85.5 1.1 | 1432 | 41.9 3.5 | 0326 | 49.8 1.0 | 93 1 | 31 1 | 1.4 | 11.2 5.3 | 1650 | E | 92 | 0.00 | 0.05 | 0.120 0.019 | 378 56 | 70 20 |
| Oakville-NE (Ranch 88) | 9/26/26 | 83.2 1.6 | 1521 | 41.1 3.9 | 0330 | 45.1 1.0 | 85 2 | 22 4 | 1.3 | 11.5 3.9 | 1700 | SSW | 196 | 0.00 | 0.04 | 0.108 0.018 | 319 48 | 100 0 |
| OV561-East | 9/26/26 | 83.7 2.5 | 1607 | 43.2 4.8 | 0338 | - | - | - | - | - | - | - | - | - | - | - | 40 20 |
| Oakville | 9/26/26 | 80.6 3.1 | 1444 | 42.0 3.3 | 0332 | 46.8 1.1 | 90 2 | 24 5 | 2.2 | 12.4 3.4 | 1649 | S | 170 | 0.00 | 0.03 | 0.123 0.016 | 362 52 | 80 20 |
| OV518-West | 9/26/26 | 79.7 3.2 | 1543 | 43.0 3.5 | 0317 | - | - | - | - | - | - | - | - | - | - | - | 90 20 |
| To Kalon Remote (TKKE) | 9/26/26 | 83.3 2.8 | 1447 | 42.7 3.1 | 0326 | - | - | - | - | - | - | - | - | - | - | - | 70 20 |
| To Kalon | 9/26/26 | 80.9 4.3 | 1500 | 43.5 3.4 | 0332 | 48.3 0.0 | 93 7 | 28 2 | 2.0 | 12.9 0.5 | 1605 | ESE | 109 | 0.00 | 0.00 | 0.118 0.016 | 349 61 | 80 20 |
| To Kalon Remote (TKN5) | 9/26/26 | 82.5 2.9 | 1433 | 43.4 3.6 | 0323 | - | - | - | - | - | - | - | - | - | - | - | 100 20 |
| Yountville (Ranch 67) | 9/26/26 | 79.4 1.5 | 1502 | 41.9 3.6 | 0341 | 46.3 0.6 | 91 4 | 25 5 | 2.3 | 13.2 1.2 | 0020 | S | 171 | 0.00 | 0.05 | 0.137 0.003 | 441 1 | 80 20 |
| Stags Leap Dist (Silverado Vineyards) | 9/26/26 | 79.8 2.5 | 1542 | 42.1 3.7 | 0310 | 46.9 0.3 | 92 4 | 27 3 | 1.9 | 12.2 5.0 | 1457 | SSE | 156 | 0.00 | 0.07 | 0.130 0.007 | 397 13 | 60 20 |
| Borreo (Soda Canyon) | 9/26/26 | 78.2 0.3 | 1512 | 44.2 2.8 | 0351 | 47.8 1.0 | 96 7 | 32 1 | 1.6 | 8.2 5.2 | 1657 | SE | 128 | 0.00 | 0.31 | 0.119 0.015 | 401 31 | 70 20 |
| Wappo Hill Floor | 9/26/26 | 81.5 1.4 | 1522 | 42.0 3.2 | 0413 | 47.7 0.1 | 90 5 | 28 2 | 2.1 | 11.5 3.6 | 1716 | ESE | 106 | 0.00 | 0.10 | 0.134 0.012 | 412 20 | 90 20 |
| Stags Leap Dist (Chimney Rock) | 9/26/26 | 79.3 2.6 | 1523 | 40.8 3.9 | 0410 | 50.1 0.6 | 98 1 | 38 2 | 2.0 | 11.2 2.9 | 1532 | SE | 125 | 0.00 | 0.10 | 0.118 0.016 | 372 44 | 90 20 |
| Yountville-South (Ranch 87) | 9/26/26 | 82.2 1.6 | 1522 | 42.8 3.3 | 0334 | 48.8 0.2 | 100 9 | 29 1 | 1.4 | 10.4 3.7 | 1555 | S | 180 | 0.00 | 0.09 | 0.118 0.010 | 370 6 | 100 0 |
| Yountville-SE (Ranch 85) | 9/26/26 | 79.9 2.3 | 1448 | 42.8 5.2 | 0354 | 49.1 0.4 | 93 3 | 31 2 | 1.6 | 11.4 3.8 | 1648 | SSE | 167 | 0.00 | 0.08 | - | 0 0 | 90 20 |
| Oak Knoll-East (Ranch 53) | 9/26/26 | 79.9 2.6 | 1527 | 43.6 3.3 | 0404 | 48.3 0.2 | 90 2 | 30 1 | 1.9 | 10.8 4.2 | 1652 | SE | 133 | 0.00 | 0.15 | 0.131 0.020 | 418 66 | 90 20 |
| Napa-NW (Ranch 54) | 9/26/26 | 81.1 2.6 | 1516 | 44.9 2.6 | 0327 | 48.5 0.4 | 90 6 | 29 0 | 0.6 | 7.6 5.6 | 1456 | S | 190 | 0.00 | 0.18 | - | 0 0 | 100 0 |
| Napa-North (Ranch 29) | 9/26/26 | 78.6 1.5 | 1432 | 44.5 3.8 | 0332 | 49.9 0.0 | 100 11 | 34 2 | 1.4 | 10.4 5.0 | 1626 | S | 170 | 0.00 | 0.10 | 0.093 0.009 | 276 17 | 60 10 |
| Max | 85.5 | - | 49.6 | - | 50.1 | 100 | 38 | 2.3 | 13.2 | - | - | 0.00 | 0.31 | 0.137 | 441 | - | |
| Avg | - | - | - | - | 47.7 | - | - | 1.6 | - | - | - | - | - | - | - | - | |
| Min | 78.2 | - | 40.8 | - | 44.2 | 85 | 12 | 0.6 | 7.2 | - | - | 0.00 | 0.00 | 0.018 | 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 | 9/26/26 | 74.9 3.1 | 1428 | 51.8 3.9 | 0706 | 46.0 0.8 | 82 0 | 36 9 | 1.3 | 9.3 1.6 | 1408 | ESE | 117 | 0.00 | 0.45 | 0.213 0.007 | 941 11 | 80 10 |
| Mount George (Napa East) | 9/26/26 | 78.0 3.6 | 1426 | 47.2 0.3 | 0101 | 49.1 0.8 | 95 5 | 27 5 | 1.5 | 8.8 2.5 | 1453 | WSW | 258 | 0.00 | 0.16 | 0.129 0.010 | 448 21 | 90 20 |
| Napa-East (Palmaz 300') | 9/26/26 | 80.4 2.6 | 1529 | 51.1 0.2 | 0152 | 49.7 0.2 | 94 6 | 25 4 | 1.2 | 9.4 2.6 | 1506 | WSW | 246 | 0.00 | 0.16 | 0.120 0.009 | 389 25 | 80 20 |
| 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') | 9/26/26 | 74.2 0.3 | 1432 | 48.1 0.1 | 0124 | 49.6 0.9 | 100 8 | 27 13 | 2.4 | 11.0 4.8 | 1141 | WSW | 239 | 0.00 | 0.33 | 0.125 0.011 | 447 18 | 60 10 |
| Wooden Valley | 9/26/26 | 79.2 1.6 | 1458 | 47.9 1.3 | 0101 | 46.9 0.5 | 93 5 | 21 13 | 2.8 | 11.8 3.5 | 1734 | SW | 219 | 0.00 | 0.04 | 0.142 0.014 | 453 26 | 90 20 |
| Napa-West Upper (Truchard) | 9/26/26 | 80.1 2.3 | 1525 | 50.6 1.9 | 0241 | 50.6 0.2 | 100 10 | 29 1 | 1.9 | 12.0 6.7 | 1701 | S | 188 | 0.00 | 0.10 | 0.350 0.020 | 1,398 114 | 80 20 |
| Napa-West Lower (Truchard) | 9/26/26 | 79.8 2.5 | 1439 | 41.1 2.0 | 0347 | 47.7 0.4 | 93 2 | 30 2 | - | - | - | - | - | - | - | - | 80 20 |
| Napa-South (Toyon Farms) | 9/26/26 | 78.2 2.3 | 1425 | 50.1 1.6 | 0341 | 52.6 0.5 | 98 5 | 42 5 | 2.6 | 11.6 5.9 | 1329 | SSW | 200 | 0.00 | 0.07 | 0.078 0.008 | 217 8 | 40 10 |
| Toyon Remote 1 | 9/26/26 | 77.7 4.2 | 1429 | 44.1 0.6 | 0241 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 2 | 9/26/26 | 76.8 3.3 | 1509 | 43.6 1.8 | 0251 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 3 | 9/26/26 | 77.4 5.9 | 1518 | 44.8 1.0 | 0227 | - | - | - | - | - | - | - | - | - | - | - | - |
| Dealy Lane (Ranch 80) | 9/26/26 | 77.6 4.7 | 1517 | 46.4 0.9 | 0156 | 48.9 0.6 | 91 2 | 35 4 | 2.0 | 10.9 3.7 | 1438 | SE | 138 | 0.00 | 0.08 | 0.123 0.016 | 420 16 | 90 20 |
| Carneros (Saintsbury) | 9/26/26 | 76.1 3.8 | 1424 | 45.6 2.0 | 0217 | 49.0 1.4 | 98 9 | 37 4 | 3.2 | 14.1 5.5 | 1739 | W | 275 | 0.00 | 0.08 | - | - | 40 10 |
| Suscol Lower (Ranch 35) | 9/26/26 | 75.6 3.4 | 1430 | 50.2 1.5 | 0318 | 51.1 0.2 | 100 12 | 37 6 | 3.6 | 11.6 7.1 | 1406 | SSW | 193 | 0.00 | 0.15 | 0.120 0.024 | 376 41 | 40 10 |
| Suscol Mtn (Ranch 93) | 9/26/26 | 78.1 2.6 | 1432 | 53.4 1.0 | 0638 | 51.9 0.2 | 97 2 | 32 2 | 3.4 | 18.6 3.1 | 1434 | WSW | 246 | 0.00 | 0.40 | - | - | 30 10 |
| Suscol Upper (Ranch 92) | 9/26/26 | 75.3 0.1 | 1540 | 53.7 1.5 | 0328 | 32.7 18.9 | 100 8 | 0 33 | 1.9 | 10.7 8.3 | 1411 | S | 190 | 0.00 | 0.15 | - | - | 0 0 |
| Stanly (Ranch 45) | 9/26/26 | 74.5 5.4 | 1537 | 43.7 4.1 | 0246 | 50.6 0.6 | 96 4 | 42 11 | 4.1 | 11.1 7.5 | 1737 | SSW | 204 | 0.00 | 0.15 | 0.129 0.025 | 422 44 | 50 10 |
| Carneros Upper (Ranch 81) | 9/26/26 | 77.3 3.3 | 1526 | 53.1 2.3 | 0200 | 50.0 0.9 | - | - | 4.8 | 19.9 3.3 | 2135 | WSW | 246 | - | - | - | - | 40 10 |
| Carneros (Mitsuko) | 9/26/26 | 76.4 4.2 | 1727 | 42.1 1.6 | 0327 | - | - | - | - | - | - | - | - | - | - | - | 40 10 |
| Carneros Lower (Ranch 81) | 9/26/26 | 76.5 8.0 | 1414 | 45.0 2.3 | 0344 | 49.2 2.6 | 100 10 | 0 31 | 1.2 | 10.8 3.8 | 1329 | SSE | 164 | 0.00 | 0.01 | 0.021 0.007 | 6 27 | 40 10 |
| Carneros (Milton Rd) | 9/26/26 | 74.7 5.4 | 1423 | 43.4 2.1 | 0131 | 49.9 0.8 | 92 2 | 41 10 | - | - | - | - | 0.00 | 0.00 | - | - | 40 10 |
| Max | 80.4 | - | 53.7 | - | 52.6 | 100 | 42 | 4.8 | 19.9 | - | - | 0.00 | 0.45 | 0.350 | 1,398 | - | |
| Avg | - | - | - | - | 48.6 | - | - | 2.5 | - | - | - | - | - | - | - | - | |
| Min | 74.2 | - | 41.1 | - | 32.7 | 82 | 0 | 1.2 | 8.8 | - | - | 0.00 | 0.00 | 0.021 | 6 | - |