| 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 | 10/24/26 | 75.8 5.9 | 1541 | 42.4 2.0 | 0050 | - | - | - | - | - | - | - | 0.00 | 0.83 | - | - | 0 0 |
| Pope Valley (Weeks Lake) | 10/24/26 | 78.7 6.0 | 1409 | 34.8 7.9 | 0039 | 30.4 6.6 | 89 11 | 15 1 | 2.2 0.9 | 14.9 2.6 | 1115 | NE | 46 | 0.00 | 0.07 | 0.114 0.002 | 352 5 | 20 20 |
| Dollarhide Base | 10/24/26 | 79.1 6.5 | 1256 | 46.2 2.9 | 0055 | 36.3 6.1 | 84 16 | 21 2 | 3.7 0.2 | 17.4 5.5 | 1005 | NNE | 22 | 0.00 | 0.42 | 0.134 0.008 | 344 4 | 20 20 |
| Dollarhide 1AS Remote | 10/24/26 | 77.0 4.8 | 1301 | 35.4 4.7 | 0713 | 38.4 5.0 | 92 0 | 23 4 | 2.2 0.3 | 15.2 7.7 | 1011 | NNE | 33 | - | - | - | - | 20 20 |
| Dollarhide 16A Remote | 10/24/26 | 79.4 5.9 | 1253 | 43.1 4.8 | 0051 | 37.1 1.8 | 92 8 | 22 1 | - | - | - | - | - | - | - | - | 20 20 |
| Dollarhide 18A Remote | 10/24/26 | 81.0 6.6 | 1559 | 33.7 2.2 | 0725 | 38.5 5.6 | 99 1 | 21 1 | - | - | - | - | - | - | - | - | 20 20 |
| Hardin Rd (Eakle) | 10/13/26 | 77.0 2.0 | 1534 | 32.3 1.2 | 0726 | - | - | - | - | - | - | - | - | - | - | - | 20 20 |
| Angwin | 10/24/26 | 70.7 5.9 | 1519 | 52.1 2.4 | 0515 | 26.5 9.9 | 37 59 | 18 2 | 5.6 1.3 | 23.9 0.6 | 0736 | N | 351 | 0.00 | 0.35 | 0.074 0.017 | 0 0 | 40 10 |
| Lower Angwin (Pioneer) | 10/24/26 | 75.1 6.7 | 1519 | 35.5 14.2 | 2318 | - | - | - | 2.9 0.5 | 18.2 3.4 | 0821 | N | 5 | - | - | - | - | 10 10 |
| Las Posadas (Cal Fire) | 10/24/26 | 74.2 6.7 | 1559 | 48.2 0.1 | 2320 | 31.7 8.2 | 60 40 | 20 0 | 7.8 0.0 | 26.2 3.4 | 1033 | NNE | 30 | 0.00 | 0.55 | 0.153 0.019 | 356 1 | - |
| Deer Park | 10/24/26 | 79.9 4.9 | 1539 | 54.0 4.9 | 0028 | 29.4 9.6 | 46 53 | 14 1 | 3.0 1.5 | 15.4 8.0 | 1015 | N | 11 | 0.00 | 0.22 | 0.112 0.001 | 262 0 | 70 20 |
| Lower Chiles Valley (Brown) | 10/24/26 | 77.5 5.7 | 1537 | 37.0 9.2 | 0059 | 33.0 7.6 | 94 6 | 17 1 | 2.5 0.4 | 20.5 2.6 | 0959 | NE | 43 | 0.00 | 0.72 | 0.127 0.014 | 380 30 | 20 20 |
| Moss Creek Vineyard/Reservior | 10/24/26 | 77.9 7.2 | 1400 | 44.5 6.6 | 0056 | 36.0 6.7 | 87 11 | 17 2 | - | - | - | - | 0.00 | 0.54 | - | - | 20 20 |
| Max | 81.0 | - | 54.0 | - | 38.5 | 99 | 23 | 7.8 | 26.2 | - | - | 0.00 | 0.83 | 0.153 | 380 | - | |
| Avg | - | - | - | - | 33.7 | - | - | 3.8 | - | - | - | - | - | - | - | - | |
| Min | 70.7 | - | 33.7 | - | 26.5 | 37 | 14 | 2.2 | 14.9 | - | - | 0.00 | 0.07 | 0.074 | 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 | 10/24/26 | 81.9 4.8 | 1442 | 42.9 5.1 | 0032 | 33.5 7.1 | 70 28 | 19 2 | - | - | - | - | 0.00 | 0.15 | - | - | 20 20 |
| Diamond Mtn (Schramsberg) | 10/24/26 | 76.6 3.9 | 1425 | 57.3 8.8 | 0357 | 27.8 8.9 | 38 62 | 15 1 | - | - | - | - | 0.00 | 0.15 | - | - | 70 20 |
| Diamond Mtn (McEachran) | 10/24/26 | 80.8 5.2 | 1610 | 53.1 4.6 | 0050 | 28.9 8.3 | 44 54 | 13 1 | - | - | - | - | - | - | - | - | 70 20 |
| St. Helena-North | 10/24/26 | 83.2 3.1 | 1408 | 44.0 2.6 | 0059 | 27.9 8.6 | 59 35 | 10 0 | 2.0 | 18.0 5.0 | 1651 | SSE | 167 | 0.00 | 0.15 | 0.109 0.010 | 329 7 | 40 20 |
| St. Helena (NVV Office) | 10/24/26 | 81.8 6.3 | 1548 | 44.6 3.6 | 0057 | - | - | - | 1.6 | 13.4 2.2 | 0927 | NNW | 337 | 0.00 | 0.32 | - | - | 20 20 |
| Tiara Fria (East St. Helena) | 10/24/26 | 80.0 6.2 | 1627 | 42.0 4.9 | 0059 | 36.4 5.9 | 88 8 | 14 0 | 2.1 | 17.8 1.0 | 0640 | NW | 326 | 0.00 | 0.52 | - | - | 20 20 |
| Prisoner Winery | 10/24/26 | 83.1 5.6 | 1501 | 43.1 5.4 | 0032 | 34.6 7.4 | 88 10 | 13 2 | 2.1 | 12.9 2.0 | 1038 | NE | 39 | 0.00 | 0.41 | 0.048 0.006 | 0 0 | 20 20 |
| Rutherford Hill Estate | 10/24/26 | 82.6 4.5 | 1540 | 52.0 1.4 | 0058 | 32.6 9.8 | 55 45 | 15 1 | 1.6 | 13.2 2.0 | 0949 | ENE | 64 | 0.00 | 0.50 | 0.099 0.009 | 320 1 | 20 20 |
| Rutherford-North (Mee Ln) | 10/24/26 | 83.0 6.6 | 1541 | 42.4 0.6 | 0045 | 36.8 4.9 | 89 8 | 15 1 | 2.1 | 15.6 1.5 | 1012 | NNW | 330 | 0.00 | 0.50 | 0.107 0.020 | 332 36 | 20 20 |
| Rutherford (STS) | 10/24/26 | 83.7 6.9 | 1451 | 41.0 6.4 | 0052 | 39.7 4.8 | 92 1 | 20 3 | 2.3 | 14.8 1.6 | 0127 | W | 270 | 0.00 | 0.42 | 0.120 0.016 | 378 46 | 20 20 |
| Oakville-NE (Ranch 88) | 10/24/26 | 82.0 6.8 | 1530 | 39.5 7.9 | 0058 | 34.9 8.4 | 89 11 | 14 2 | 1.8 | 13.8 0.2 | 0519 | NE | 55 | 0.00 | 0.44 | 0.109 0.013 | 350 38 | 20 20 |
| OV561-East | 10/23/26 | 78.1 18.1 | 1535 | 48.2 3.0 | 2037 | - | - | - | - | - | - | - | - | - | - | - | 0 0 |
| Oakville | 10/23/26 | 75.1 15.1 | 1542 | 47.2 3.4 | 2038 | 43.2 11.1 | 97 0 | 17 69 | 2.6 | 14.6 7.4 | 1322 | WSW | 256 | 0.07 | 0.26 | 0.099 0.083 | 304 253 | 0 0 |
| OV518-West | 10/23/26 | 73.4 13.3 | 1634 | 48.3 2.7 | 2001 | - | - | - | - | - | - | - | - | - | - | - | 0 0 |
| To Kalon Remote (TKKE) | 10/24/26 | 82.5 6.0 | 1543 | 42.5 5.6 | 0101 | - | - | - | - | - | - | - | - | - | - | - | 20 20 |
| To Kalon | 10/24/26 | 81.8 5.9 | 1538 | 42.6 6.0 | 0059 | 34.9 8.7 | 88 11 | 17 0 | 2.9 | 14.8 0.8 | 0216 | NNW | 337 | 0.00 | 0.33 | 0.124 0.018 | 359 20 | 20 20 |
| To Kalon Remote (TKN5) | 10/24/26 | 81.3 6.1 | 1516 | 42.8 5.6 | 0029 | - | - | - | - | - | - | - | - | - | - | - | 20 20 |
| Yountville (Ranch 67) | 10/24/26 | 78.9 5.1 | 1430 | 41.5 8.1 | 0049 | 35.4 6.7 | 91 5 | 18 3 | 2.9 | 14.0 2.6 | 0954 | WNW | 294 | 0.00 | 0.46 | 0.131 0.011 | 428 34 | 20 20 |
| Stags Leap Dist (Silverado Vineyards) | 10/24/26 | 79.1 4.9 | 1421 | 42.4 7.2 | 0052 | 35.6 6.9 | 90 6 | 17 3 | 1.8 | 10.9 2.4 | 1024 | WNW | 285 | 0.00 | 0.48 | 0.117 0.017 | 349 34 | 0 0 |
| Borreo (Soda Canyon) | 10/24/26 | 76.9 3.8 | 1404 | 44.9 5.1 | 0048 | 33.0 7.2 | 78 21 | 18 2 | 3.6 | 17.8 2.7 | 0224 | NE | 50 | 0.00 | 0.82 | 0.134 0.012 | 382 32 | 0 0 |
| Wappo Hill Floor | 10/24/26 | 80.6 4.6 | 1339 | 41.5 9.4 | 0059 | 34.8 7.1 | 100 0 | 17 2 | 4.8 | 17.0 0.9 | 0757 | NW | 326 | 0.00 | 0.51 | 0.154 0.024 | 361 42 | 20 20 |
| Stags Leap Dist (Chimney Rock) | 10/24/26 | 78.6 3.7 | 1358 | 40.9 12.1 | 0101 | 39.8 6.1 | 96 4 | 25 3 | 2.7 | 15.9 1.8 | 0903 | NNW | 334 | 0.00 | 0.60 | 0.118 0.013 | 341 42 | 20 20 |
| Yountville-South (Ranch 87) | 10/24/26 | 79.2 2.5 | 1430 | 42.5 8.2 | 0053 | 36.8 7.4 | 92 8 | 20 4 | 1.8 | 11.3 0.1 | 1456 | S | 172 | 0.00 | 0.49 | 0.109 0.017 | 324 6 | 80 20 |
| Yountville-SE (Ranch 85) | 10/24/26 | 79.0 4.7 | 1546 | 42.6 9.9 | 0009 | 36.8 7.2 | 93 7 | 20 4 | 3.4 | 16.0 1.1 | 0555 | N | 349 | 0.00 | 0.56 | - | 0 0 | 20 20 |
| Oak Knoll-East (Ranch 53) | 10/24/26 | 78.7 3.5 | 1302 | 42.8 8.2 | 0101 | 35.6 7.7 | 90 5 | 18 3 | 3.0 | 14.9 0.6 | 0533 | NNW | 345 | 0.00 | 0.47 | 0.134 0.018 | 373 1 | 80 20 |
| Napa-NW (Ranch 54) | 10/24/26 | 79.1 5.0 | 1547 | 44.8 5.2 | 0032 | 35.1 9.5 | 80 20 | 21 4 | 1.7 | 11.0 3.1 | 0714 | NNE | 13 | 0.00 | 0.50 | - | 0 0 | 20 20 |
| Napa-North (Ranch 29) | 10/24/26 | 77.5 2.4 | 1608 | 43.1 2.5 | 0059 | 40.0 7.5 | 100 0 | 22 5 | 1.7 | 15.2 0.6 | 1037 | N | 10 | 0.00 | 0.47 | 0.077 0.012 | 207 9 | 20 20 |
| Max | 83.7 | - | 57.3 | - | 40.0 | 100 | 25 | 4.8 | 18.0 | - | - | 0.00 | 0.82 | 0.154 | 428 | - | |
| Avg | - | - | - | - | 34.8 | - | - | 2.4 | - | - | - | - | - | - | - | - | |
| Min | 76.6 | - | 39.5 | - | 27.8 | 38 | 10 | 1.6 | 10.9 | - | - | 0.00 | 0.15 | 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) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mt. Veeder | 10/24/26 | 71.7 5.0 | 1401 | 54.1 4.0 | 0416 | 30.6 11.4 | 42 58 | 22 3 | 2.2 | 13.6 2.9 | 0926 | NNW | 330 | 0.00 | 0.77 | 0.102 0.017 | 273 39 | 40 10 |
| Mount George (Napa East) | 10/24/26 | 99.8 25.7 | 1013 | 44.9 2.0 | 0449 | 40.9 4.7 | 93 4 | 22 3 | 1.7 | 12.1 3.3 | 1109 | NNE | 21 | 0.00 | 0.48 | 0.111 0.017 | 371 84 | 20 20 |
| Napa-East (Palmaz 300') | 10/24/26 | 80.7 2.7 | 1301 | 46.1 4.4 | 0051 | 36.9 7.4 | 80 20 | 18 1 | 2.3 | 15.3 3.3 | 0454 | NE | 41 | 0.00 | 0.45 | 0.106 0.028 | 326 80 | 20 20 |
| Napa-East (Palmaz 1200') | 10/24/26 | 73.9 4.4 | 1346 | 45.6 2.8 | 2328 | 34.6 1.9 | 75 25 | 22 3 | 2.9 | 14.9 0.9 | 1042 | ENE | 74 | - | - | 0.111 0.024 | 346 58 | 0 0 |
| Napa-East (Palmaz 1400') | 10/24/26 | 74.1 7.0 | 1445 | 43.7 4.5 | 2310 | 34.5 7.4 | 78 22 | 22 0 | 4.4 | 20.8 2.4 | 0545 | N | 4 | 0.00 | 0.74 | 0.128 0.025 | 362 40 | 0 0 |
| Wooden Valley | 10/24/26 | 76.2 5.0 | 1515 | 38.4 8.7 | 0026 | 35.2 6.7 | 95 3 | 17 0 | 2.2 | 15.2 2.3 | 0200 | NNW | 339 | 0.00 | 0.47 | 0.115 0.007 | 364 4 | 20 20 |
| Napa-West Upper (Truchard) | 10/24/26 | 78.4 2.2 | 1531 | 52.7 3.1 | 0046 | 35.0 37.3 | 58 42 | 20 20 | 3.2 | 15.8 1.7 | 0926 | NNE | 19 | 0.00 | 0.40 | 0.134 0.027 | 365 22 | 20 20 |
| Napa-West Lower (Truchard) | 10/24/26 | 78.4 0.6 | 1612 | 40.7 2.2 | 0037 | 37.1 8.5 | 92 5 | 19 3 | - | - | - | - | - | - | - | - | 20 20 |
| Napa-South (Toyon Farms) | 10/24/26 | 77.3 0.9 | 1524 | 48.0 2.6 | 0058 | 43.1 7.8 | 96 4 | 27 2 | 2.7 | 11.8 3.5 | 0611 | NE | 55 | 0.00 | 0.40 | 0.077 0.027 | 182 4 | 20 20 |
| Toyon Remote 1 | 10/24/26 | 78.2 2.5 | 1501 | 42.3 1.1 | 0058 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 2 | 10/24/26 | 76.7 0.2 | 1141 | 43.1 3.7 | 0100 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 3 | 10/24/26 | 77.7 1.7 | 1609 | 42.5 1.2 | 0457 | - | - | - | - | - | - | - | - | - | - | - | - |
| Dealy Lane (Ranch 80) | 10/24/26 | 78.0 3.0 | 1540 | 44.3 2.7 | 0418 | 38.4 9.9 | 92 4 | 21 3 | 2.5 | 16.9 3.4 | 0643 | NW | 317 | 0.00 | 0.41 | 0.115 0.019 | 362 21 | 20 20 |
| Carneros (Saintsbury) | 10/24/26 | 76.2 1.1 | 1547 | 44.2 1.2 | 0454 | 39.8 6.3 | 100 0 | 24 4 | 3.2 | 12.5 1.2 | 1201 | SSE | 151 | 0.00 | 0.45 | - | - | 20 20 |
| Suscol Lower (Ranch 35) | 10/24/26 | 75.9 0.9 | 1501 | 46.9 1.5 | 0453 | 37.3 10.7 | 76 24 | 22 4 | 4.0 | 17.1 1.4 | 0623 | N | 0 | 0.00 | 0.51 | 0.125 0.031 | 354 38 | 20 20 |
| Suscol Mtn (Ranch 93) | 10/24/26 | 78.6 6.8 | 1429 | 57.3 6.2 | 0429 | 33.8 8.9 | 46 54 | 24 8 | 4.9 | 23.3 0.7 | 0523 | NE | 34 | 0.00 | 0.65 | - | - | 30 20 |
| Suscol Upper (Ranch 92) | 10/24/26 | 74.6 2.2 | 1449 | 54.7 3.4 | 0043 | 34.2 40.7 | 49 51 | 24 24 | 2.1 | 19.6 2.6 | 0520 | N | 1 | 0.00 | 0.37 | - | - | 0 10 |
| Stanly (Ranch 45) | 10/24/26 | 76.8 2.1 | 1530 | 43.2 1.7 | 0523 | 41.4 6.5 | 94 3 | 24 4 | 3.3 | 15.1 2.3 | 0614 | NE | 39 | 0.00 | 0.28 | 0.133 0.030 | 399 48 | 20 20 |
| Carneros Upper (Ranch 81) | 10/24/26 | 77.0 2.4 | 1625 | 55.3 3.6 | 2325 | 33.4 27.3 | - | - | 6.0 | 22.7 4.2 | 0555 | N | 10 | - | - | - | - | 20 20 |
| Carneros (Mitsuko) | 10/24/26 | 76.9 1.4 | 1619 | 39.4 2.9 | 0059 | - | - | - | - | - | - | - | - | - | - | - | 20 20 |
| Carneros Lower (Ranch 81) | 10/24/26 | 76.8 3.0 | 1448 | 43.5 1.0 | 0058 | 38.9 41.9 | 91 7 | 24 23 | 1.8 | 18.4 5.0 | 0617 | NNE | 20 | 0.00 | 0.08 | 0.037 0.015 | 0 0 | 20 20 |
| Carneros (Milton Rd) | 10/24/26 | 76.0 1.8 | 1549 | 41.4 3.7 | 0059 | 41.4 7.7 | 95 0 | 24 1 | - | - | - | - | 0.00 | 0.10 | - | - | 0 0 |
| Max | 99.8 | - | 57.3 | - | 43.1 | 100 | 27 | 6.0 | 23.3 | - | - | 0.00 | 0.77 | 0.134 | 399 | - | |
| Avg | - | - | - | - | 37.0 | - | - | 3.1 | - | - | - | - | - | - | - | - | |
| Min | 71.7 | - | 38.4 | - | 30.6 | 42 | 17 | 1.7 | 11.8 | - | - | 0.00 | 0.08 | 0.037 | 0 | - |