| 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 | 10/25/26 | 71.6 4.2 | 1537 | 41.1 1.3 | 0432 | - | - | - | - | - | - | - | 0.00 | 0.83 | - | - | 0 0 |
| Pope Valley (Weeks Lake) | 10/25/26 | 75.6 3.1 | 1507 | 29.5 5.3 | 0618 | 36.4 6.0 | 100 11 | 27 12 | 1.2 1.0 | 11.4 3.5 | 1701 | SSW | 203 | 0.00 | 0.07 | 0.087 0.027 | 303 49 | 40 20 |
| Dollarhide Base | 10/25/26 | 78.1 1.0 | 1526 | 38.0 8.2 | 0615 | 43.2 6.9 | 97 14 | 31 9 | 2.5 1.2 | 13.4 4.0 | 1358 | ESE | 112 | 0.00 | 0.42 | 0.101 0.033 | 309 35 | 40 20 |
| Dollarhide 1AS Remote | 10/25/26 | 77.2 0.2 | 1525 | 32.8 2.6 | 0703 | 41.0 2.6 | 93 1 | 31 8 | 1.6 0.5 | 11.0 4.2 | 1657 | SSE | 157 | - | - | - | - | 40 20 |
| Dollarhide 16A Remote | 10/25/26 | 77.5 1.9 | 1552 | 36.1 7.0 | 0626 | 45.7 8.5 | 97 6 | 32 10 | - | - | - | - | - | - | - | - | 10 10 |
| Dollarhide 18A Remote | 10/25/26 | 79.5 1.5 | 1529 | 30.0 3.7 | 0650 | 40.5 2.0 | 99 1 | 29 8 | - | - | - | - | - | - | - | - | 10 10 |
| Hardin Rd (Eakle) | 10/13/26 | 77.0 2.0 | 1534 | 32.3 1.2 | 0726 | - | - | - | - | - | - | - | - | - | - | - | 20 20 |
| Angwin | 10/25/26 | 69.1 1.6 | 1403 | 51.2 0.9 | 0531 | 35.1 8.6 | 62 25 | 29 10 | 3.3 2.4 | 13.2 10.6 | 1415 | SSE | 153 | 0.00 | 0.35 | 0.048 0.026 | 0 0 | 30 10 |
| Lower Angwin (Pioneer) | 10/25/26 | 72.6 2.5 | 1409 | 34.7 0.8 | 0047 | - | - | - | 1.5 1.5 | 8.6 9.6 | 1529 | W | 262 | - | - | - | - | 0 10 |
| Las Posadas (Cal Fire) | 10/25/26 | 73.9 0.3 | 1423 | 46.1 2.1 | 0729 | 39.3 7.6 | 83 22 | 29 9 | 4.3 3.6 | 15.0 11.2 | 2105 | SW | 214 | 0.00 | 0.55 | 0.112 0.041 | 324 32 | - |
| Deer Park | 10/25/26 | 77.8 2.1 | 1415 | 52.0 2.0 | 0101 | 38.4 9.0 | 71 26 | 22 8 | 2.2 0.8 | 11.4 4.0 | 1419 | SSE | 164 | 0.00 | 0.22 | 0.091 0.021 | 238 24 | 90 20 |
| Lower Chiles Valley (Brown) | 10/25/26 | 75.9 1.6 | 1522 | 34.3 2.7 | 0536 | 40.0 7.0 | 100 6 | 27 10 | 1.5 1.0 | 10.6 9.8 | 1124 | ENE | 64 | 0.00 | 0.72 | 0.102 0.025 | 335 44 | 10 10 |
| Moss Creek Vineyard/Reservior | 10/25/26 | 79.1 1.2 | 1517 | 38.2 6.3 | 0750 | 42.1 6.1 | 95 8 | 26 8 | - | - | - | - | 0.00 | 0.54 | - | - | 10 10 |
| Max | 79.5 | - | 52.0 | - | 45.7 | 100 | 32 | 4.3 | 15.0 | - | - | 0.00 | 0.83 | 0.112 | 335 | - | |
| Avg | - | - | - | - | 40.2 | - | - | 2.3 | - | - | - | - | - | - | - | - | |
| Min | 69.1 | - | 29.5 | - | 35.1 | 62 | 22 | 1.2 | 8.6 | - | - | 0.00 | 0.07 | 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 | 10/25/26 | 79.6 2.4 | 1449 | 36.5 6.4 | 0722 | 39.2 5.8 | 85 14 | 27 9 | - | - | - | - | 0.00 | 0.15 | - | - | 40 20 |
| Diamond Mtn (Schramsberg) | 10/25/26 | 74.1 2.5 | 1537 | 53.9 3.4 | 0048 | 36.1 8.3 | 69 31 | 24 9 | - | - | - | - | 0.00 | 0.15 | - | - | 60 10 |
| Diamond Mtn (McEachran) | 10/25/26 | 77.6 3.2 | 1530 | 49.3 3.8 | 0653 | 37.1 8.1 | 57 13 | 22 9 | - | - | - | - | - | - | - | - | 90 20 |
| St. Helena-North | 10/25/26 | 79.3 3.9 | 1413 | 38.5 5.5 | 0729 | 35.3 7.4 | 76 16 | 18 8 | 2.3 | 11.6 6.4 | 1412 | SE | 134 | 0.00 | 0.15 | 0.102 0.007 | 293 36 | 60 20 |
| St. Helena (NVV Office) | 10/25/26 | 78.0 3.8 | 1455 | 38.6 6.0 | 0731 | - | - | - | 0.9 | 7.4 6.0 | 1433 | ENE | 75 | 0.00 | 0.32 | - | - | 40 20 |
| Tiara Fria (East St. Helena) | 10/25/26 | 77.0 3.0 | 1512 | 37.8 4.2 | 0725 | 41.4 5.0 | 91 3 | 26 12 | 1.2 | 7.5 10.4 | 1513 | ESE | 110 | 0.00 | 0.52 | - | - | 40 20 |
| Prisoner Winery | 10/25/26 | 81.0 2.1 | 1457 | 39.1 4.0 | 0604 | 41.2 6.6 | 94 6 | 25 11 | 1.1 | 7.3 5.6 | 1643 | SSW | 212 | 0.00 | 0.41 | 0.019 0.029 | 0 0 | 40 20 |
| Rutherford Hill Estate | 10/25/26 | 79.8 2.8 | 1455 | 49.4 2.6 | 0701 | 40.8 8.2 | 76 22 | 25 10 | 1.3 | 8.8 4.4 | 1439 | SW | 228 | 0.00 | 0.50 | 0.085 0.014 | 282 38 | 40 20 |
| Rutherford-North (Mee Ln) | 10/25/26 | 78.2 4.8 | 1641 | 39.0 3.4 | 0255 | 41.1 4.3 | 94 4 | 26 10 | 1.9 | 10.5 5.0 | 1616 | SE | 142 | 0.00 | 0.50 | 0.093 0.014 | 295 36 | 40 20 |
| Rutherford (STS) | 10/25/26 | 82.2 1.5 | 1521 | 39.1 1.9 | 0508 | 43.8 4.1 | 92 0 | 30 11 | 1.6 | 9.4 5.4 | 1338 | E | 95 | 0.00 | 0.42 | 0.097 0.023 | 334 44 | 40 20 |
| Oakville-NE (Ranch 88) | 10/25/26 | 80.2 1.8 | 1508 | 34.7 4.8 | 0704 | 40.2 5.3 | 100 11 | 24 10 | 0.8 | 11.0 2.8 | 1545 | SSE | 151 | 0.00 | 0.44 | 0.090 0.019 | 312 38 | 10 10 |
| 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) | 10/25/26 | 78.9 3.6 | 1517 | 39.0 3.5 | 0522 | - | - | - | - | - | - | - | - | - | - | - | 40 20 |
| To Kalon | 10/25/26 | 77.8 4.0 | 1601 | 38.3 4.3 | 0725 | 42.1 7.1 | 96 8 | 28 12 | 1.8 | 11.3 3.6 | 1601 | S | 174 | 0.00 | 0.33 | 0.099 0.025 | 322 37 | 40 20 |
| To Kalon Remote (TKN5) | 10/25/26 | 79.7 1.6 | 1523 | 37.6 5.2 | 0731 | - | - | - | - | - | - | - | - | - | - | - | 40 20 |
| Yountville (Ranch 67) | 10/25/26 | 76.9 2.0 | 1518 | 37.8 3.7 | 0427 | 41.2 5.8 | 93 2 | 26 8 | 2.0 | 11.3 2.6 | 1912 | ESE | 102 | 0.00 | 0.46 | 0.103 0.028 | 401 27 | 40 20 |
| Stags Leap Dist (Silverado Vineyards) | 10/25/26 | 77.3 1.8 | 1524 | 39.1 3.3 | 0426 | 41.2 5.6 | 92 3 | 26 9 | 1.8 | 10.9 0.1 | 1535 | S | 183 | 0.00 | 0.48 | 0.103 0.014 | 330 19 | 20 20 |
| Borreo (Soda Canyon) | 10/25/26 | 75.1 1.8 | 1456 | 41.9 3.0 | 0631 | 41.3 8.3 | 90 12 | 27 9 | 1.5 | 8.6 9.2 | 1345 | S | 182 | 0.00 | 0.82 | 0.097 0.037 | 350 32 | 20 20 |
| Wappo Hill Floor | 10/25/26 | 78.5 2.1 | 1450 | 36.2 5.4 | 0706 | 42.5 7.6 | 100 0 | 26 9 | 1.4 | 9.5 7.6 | 1538 | S | 185 | 0.00 | 0.51 | 0.097 0.057 | 332 29 | 40 20 |
| Stags Leap Dist (Chimney Rock) | 10/25/26 | 78.0 0.6 | 1528 | 35.3 5.6 | 0659 | 43.8 4.0 | 99 4 | 33 8 | 1.4 | 9.0 6.9 | 1919 | ESE | 118 | 0.00 | 0.60 | 0.089 0.029 | 310 31 | 40 20 |
| Yountville-South (Ranch 87) | 10/25/26 | 78.6 0.6 | 1451 | 37.8 4.7 | 0735 | 43.1 6.3 | 100 8 | 27 8 | 1.0 | 9.1 2.2 | 1537 | SW | 236 | 0.00 | 0.49 | 0.088 0.021 | 287 37 | 100 20 |
| Yountville-SE (Ranch 85) | 10/25/26 | 78.0 1.1 | 1529 | 38.0 4.6 | 0515 | 43.4 6.5 | 96 3 | 28 8 | 1.0 | 8.7 7.3 | 1952 | SSE | 164 | 0.00 | 0.56 | - | 0 0 | 40 20 |
| Oak Knoll-East (Ranch 53) | 10/25/26 | 78.3 0.4 | 1435 | 37.6 5.3 | 0707 | 42.2 6.7 | 95 4 | 26 8 | 0.9 | 8.3 6.6 | 1440 | SSW | 194 | 0.00 | 0.47 | 0.093 0.041 | 333 40 | 100 20 |
| Napa-NW (Ranch 54) | 10/25/26 | 79.0 0.1 | 1607 | 38.8 5.9 | 0741 | 41.7 6.6 | 94 14 | 28 7 | 0.5 | 6.5 4.4 | 1441 | SW | 224 | 0.00 | 0.50 | - | 0 0 | 40 20 |
| Napa-North (Ranch 29) | 10/25/26 | 78.8 1.3 | 1514 | 37.6 5.5 | 0734 | 43.8 3.7 | 100 0 | 29 7 | 0.9 | 8.4 6.8 | 1452 | SSE | 157 | 0.00 | 0.47 | 0.060 0.017 | 176 31 | 10 10 |
| Max | 82.2 | - | 53.9 | - | 43.8 | 100 | 33 | 2.3 | 11.6 | - | - | 0.00 | 0.82 | 0.103 | 401 | - | |
| Avg | - | - | - | - | 41.1 | - | - | 1.3 | - | - | - | - | - | - | - | - | |
| Min | 74.1 | - | 34.7 | - | 35.3 | 57 | 18 | 0.5 | 6.5 | - | - | 0.00 | 0.15 | 0.019 | 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 | 10/25/26 | 69.9 1.8 | 1318 | 55.3 1.2 | 0725 | 37.2 6.7 | 52 11 | 27 5 | 1.7 | 9.2 4.4 | 1526 | SSE | 154 | 0.00 | 0.77 | 0.082 0.020 | 223 49 | 30 10 |
| Mount George (Napa East) | 10/25/26 | 79.9 19.9 | 1608 | 40.4 4.5 | 0721 | 44.9 4.0 | 99 6 | 29 8 | 1.1 | 8.4 3.7 | 1407 | SW | 234 | 0.00 | 0.48 | 0.093 0.018 | 336 34 | 40 20 |
| Napa-East (Palmaz 300') | 10/25/26 | 81.2 0.5 | 1606 | 40.5 5.5 | 0724 | 42.4 5.5 | 100 20 | 25 7 | 1.6 | 11.5 3.7 | 1333 | WSW | 255 | 0.00 | 0.45 | 0.089 0.017 | 296 29 | 40 20 |
| Napa-East (Palmaz 1200') | 10/25/26 | 73.0 0.9 | 1457 | 43.2 2.4 | 0026 | 42.0 7.4 | 86 11 | 33 11 | 2.1 | 10.2 4.7 | 1018 | ESE | 109 | - | - | 0.093 0.018 | 319 28 | 0 0 |
| Napa-East (Palmaz 1400') | 10/25/26 | 73.7 0.4 | 1350 | 44.8 1.1 | 0103 | 41.7 7.2 | 84 6 | 33 11 | 2.6 | 10.2 10.6 | 1129 | ESE | 116 | 0.00 | 0.74 | 0.097 0.031 | 333 29 | 0 0 |
| Wooden Valley | 10/25/26 | 74.1 2.0 | 1525 | 33.5 4.9 | 0627 | 39.9 4.8 | 97 3 | 31 13 | 1.4 | 13.7 1.5 | 1129 | SSW | 201 | 0.00 | 0.47 | 0.090 0.025 | 328 36 | 10 10 |
| Napa-West Upper (Truchard) | 10/25/26 | 78.9 0.5 | 1509 | 45.2 7.5 | 0715 | 41.7 6.8 | 83 25 | 28 7 | 1.3 | 10.4 5.4 | 1330 | SE | 137 | 0.00 | 0.40 | 0.100 0.034 | 332 33 | 40 20 |
| Napa-West Lower (Truchard) | 10/25/26 | 79.5 1.1 | 1501 | 36.5 4.2 | 0727 | 41.2 4.0 | 95 3 | 27 8 | - | - | - | - | - | - | - | - | 40 20 |
| Napa-South (Toyon Farms) | 10/25/26 | 78.9 1.6 | 1508 | 43.7 4.3 | 0645 | 45.6 2.5 | 90 5 | 35 8 | 1.8 | 11.5 0.3 | 1320 | S | 171 | 0.00 | 0.40 | 0.065 0.012 | 163 19 | 40 20 |
| Toyon Remote 1 | 10/25/26 | 77.7 0.5 | 1459 | 38.9 3.5 | 0519 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 2 | 10/25/26 | 77.9 1.2 | 1506 | 39.5 3.6 | 0536 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 3 | 10/25/26 | 78.4 0.6 | 1559 | 38.2 4.4 | 0643 | - | - | - | - | - | - | - | - | - | - | - | - |
| Dealy Lane (Ranch 80) | 10/25/26 | 78.5 0.5 | 1608 | 40.4 3.9 | 0703 | 42.0 3.6 | 93 1 | 26 5 | 1.8 | 10.1 6.8 | 1436 | SE | 145 | 0.00 | 0.41 | 0.096 0.019 | 336 26 | 40 20 |
| Carneros (Saintsbury) | 10/25/26 | 76.9 0.7 | 1607 | 41.5 2.7 | 0703 | 42.2 2.4 | 87 13 | 30 5 | 2.3 | 11.2 1.3 | 1400 | ESE | 120 | 0.00 | 0.45 | - | - | 40 20 |
| Suscol Lower (Ranch 35) | 10/25/26 | 77.9 2.0 | 1348 | 40.0 6.9 | 0711 | 42.4 5.1 | 91 16 | 28 6 | 2.9 | 11.6 5.5 | 1417 | ESE | 115 | 0.00 | 0.51 | 0.101 0.024 | 316 38 | 10 10 |
| Suscol Mtn (Ranch 93) | 10/25/26 | 79.2 0.6 | 1521 | 53.6 3.7 | 0736 | 41.0 7.1 | 71 25 | 30 6 | 2.9 | 17.1 6.2 | 1226 | SE | 130 | 0.00 | 0.65 | - | - | 50 20 |
| Suscol Upper (Ranch 92) | 10/25/26 | 77.2 2.6 | 1605 | 52.8 1.8 | 0420 | 41.4 7.1 | 72 23 | 30 5 | 1.0 | 13.1 6.6 | 1132 | NE | 45 | 0.00 | 0.37 | - | - | 0 0 |
| Stanly (Ranch 45) | 10/25/26 | 78.2 1.4 | 1607 | 43.8 0.6 | 0738 | 44.1 2.7 | 89 6 | 29 5 | 3.5 | 12.9 2.2 | 1327 | S | 171 | 0.00 | 0.28 | 0.114 0.019 | 356 43 | 40 20 |
| Carneros Upper (Ranch 81) | 10/25/26 | 78.4 1.3 | 1506 | 49.6 5.6 | 0657 | 40.6 7.2 | - | - | 4.0 | 15.0 7.7 | 2122 | W | 262 | - | - | - | - | 40 20 |
| Carneros (Mitsuko) | 10/25/26 | 78.5 1.6 | 1601 | 35.3 4.0 | 0640 | - | - | - | - | - | - | - | - | - | - | - | 10 10 |
| Carneros Lower (Ranch 81) | 10/25/26 | 76.0 0.7 | 1605 | 39.8 3.7 | 0655 | 41.8 2.9 | 100 9 | 0 23 | 0.8 | 9.2 9.2 | 1340 | S | 174 | 0.00 | 0.08 | 0.020 0.017 | 4 4 | 40 20 |
| Carneros (Milton Rd) | 10/25/26 | 77.9 1.8 | 1512 | 38.0 3.4 | 0501 | 42.2 0.8 | 91 4 | 30 6 | - | - | - | - | 0.00 | 0.10 | - | - | 0 0 |
| Max | 81.2 | - | 55.3 | - | 45.6 | 100 | 35 | 4.0 | 17.1 | - | - | 0.00 | 0.77 | 0.114 | 356 | - | |
| Avg | - | - | - | - | 41.9 | - | - | 2.1 | - | - | - | - | - | - | - | - | |
| Min | 69.9 | - | 33.5 | - | 37.2 | 52 | 0 | 0.8 | 8.4 | - | - | 0.00 | 0.08 | 0.020 | 4 | - |