| 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 | 10/10/26 | 72.0 20.5 | 1558 | 42.5 15.0 | 0016 | - | - | - | - | - | - | - | 0.00 | 0.82 | - | - | 0 0 |
| Pope Valley (Weeks Lake) | 10/10/26 | 77.4 16.5 | 1541 | 39.4 8.0 | 0705 | 42.5 4.6 | 100 12 | 26 7 | 1.3 0.4 | 11.0 1.5 | 1743 | SE | 134 | 0.00 | 0.03 | 0.114 0.022 | 394 8 | 0 0 |
| Dollarhide Base | 10/10/26 | 78.2 18.3 | 1545 | 47.7 8.1 | 0059 | 48.8 2.5 | 92 11 | 32 8 | 3.7 0.7 | 14.4 2.8 | 1331 | SSE | 154 | 0.00 | 0.00 | 0.122 0.029 | 371 3 | 20 20 |
| Dollarhide 1AS Remote | 10/10/26 | 78.0 17.8 | 1548 | 40.9 6.5 | 0049 | 47.5 1.7 | 88 6 | 32 9 | 3.7 0.3 | 14.3 4.3 | 1158 | SSW | 199 | - | - | - | - | 20 20 |
| Dollarhide 16A Remote | 10/10/26 | 79.5 15.6 | 1450 | 46.8 7.1 | 0059 | 48.4 3.2 | 94 9 | 30 4 | - | - | - | - | - | - | - | - | 20 20 |
| Dollarhide 18A Remote | 10/10/26 | 78.0 15.8 | 1431 | 38.5 6.9 | 0053 | 46.8 1.8 | 92 7 | 32 9 | - | - | - | - | - | - | - | - | 0 0 |
| Hardin Rd (Eakle) | 10/10/26 | 78.4 13.7 | 1457 | 43.8 6.4 | 0054 | - | - | - | - | - | - | - | - | - | - | - | 20 20 |
| Angwin | 10/10/26 | 68.5 20.9 | 1601 | 47.2 13.9 | 0721 | 43.0 1.8 | 100 32 | 31 16 | 3.4 0.3 | 13.4 0.3 | 1201 | SSE | 153 | 0.00 | 0.30 | 0.034 0.038 | 0 0 | 90 10 |
| Lower Angwin (Pioneer) | 10/10/26 | 70.5 18.0 | 1635 | 36.6 13.5 | 0035 | - | - | - | 2.5 0.2 | 12.0 1.2 | 1043 | W | 265 | - | - | - | - | 30 10 |
| Las Posadas (Cal Fire) | 10/10/26 | 72.2 11.6 | 1627 | 45.6 6.0 | 0031 | 46.7 2.4 | 94 0 | 36 4 | 9.7 0.4 | 28.3 3.6 | 0422 | WSW | 238 | 0.00 | 0.23 | 0.127 0.045 | 397 10 | - |
| Deer Park | 10/10/26 | 76.5 8.7 | 1612 | 50.3 3.3 | 0057 | 47.6 4.0 | 92 1 | 31 3 | 3.9 0.5 | 14.5 0.3 | 1720 | SSE | 159 | 0.00 | 0.04 | 0.101 0.004 | 290 1 | 90 10 |
| Lower Chiles Valley (Brown) | 10/10/26 | 73.6 10.7 | 1547 | 40.2 8.0 | 0050 | 46.2 3.2 | 95 3 | 31 0 | 3.2 0.0 | 15.6 0.9 | 1040 | WNW | 302 | 0.00 | 0.14 | 0.126 0.018 | 435 9 | 10 10 |
| Moss Creek Vineyard/Reservior | 10/10/26 | 76.4 22.3 | 1428 | 44.3 10.0 | 0101 | 46.7 1.2 | 94 8 | 32 16 | - | - | - | - | 0.00 | 0.04 | - | - | 0 0 |
| Max | 79.5 | - | 50.3 | - | 48.8 | 100 | 36 | 9.7 | 28.3 | - | - | 0.00 | 0.82 | 0.127 | 435 | - | |
| Avg | - | - | - | - | 46.4 | - | - | 3.9 | - | - | - | - | - | - | - | - | |
| Min | 68.5 | - | 36.6 | - | 42.5 | 88 | 26 | 1.3 | 11.0 | - | - | 0.00 | 0.00 | 0.034 | 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 | 10/10/26 | 77.4 9.3 | 1447 | 45.1 6.9 | 0049 | 49.2 3.1 | 94 2 | 33 3 | - | - | - | - | 0.00 | 0.09 | - | - | 0 0 |
| Diamond Mtn (Schramsberg) | 10/10/26 | 74.6 10.5 | 1552 | 50.3 2.4 | 0509 | 46.6 3.2 | 97 5 | 27 4 | - | - | - | - | 0.00 | 0.13 | - | - | 90 10 |
| Diamond Mtn (McEachran) | 10/10/26 | 76.5 9.7 | 1605 | 49.3 5.1 | 0053 | 47.1 4.0 | 91 1 | 28 4 | - | - | - | - | - | - | - | - | 70 10 |
| St. Helena-North | 10/10/26 | 79.5 4.8 | 1437 | 46.7 6.5 | 0056 | 46.0 3.6 | 86 4 | 26 6 | 2.4 | 13.8 0.2 | 1655 | SE | 129 | 0.00 | 0.11 | 0.120 0.009 | 375 7 | 40 20 |
| St. Helena (NVV Office) | 10/10/26 | 77.1 5.1 | 1454 | 47.6 5.2 | 0059 | - | - | - | 1.3 | 10.2 0.4 | 1813 | SE | 124 | 0.00 | 0.04 | - | - | 10 10 |
| Tiara Fria (East St. Helena) | 10/10/26 | 75.9 4.2 | 1616 | 44.1 6.6 | 0055 | 47.9 3.5 | 89 2 | 32 8 | 1.9 | 12.0 0.8 | 1723 | ESE | 123 | 0.00 | 0.02 | - | - | 10 10 |
| Prisoner Winery | 10/10/26 | 78.5 5.2 | 1520 | 44.9 4.4 | 0101 | 48.4 2.8 | 96 3 | 31 5 | 1.4 | 10.5 1.2 | 1442 | E | 95 | 0.00 | 0.06 | 0.023 0.001 | 0 2 | 10 10 |
| Rutherford Hill Estate | 10/10/26 | 77.3 4.0 | 1515 | 49.7 5.4 | 0059 | 48.8 4.1 | 91 1 | 32 7 | 1.8 | 17.1 3.1 | 1803 | SSW | 192 | 0.00 | 0.08 | 0.106 0.002 | 362 7 | 10 10 |
| Rutherford-North (Mee Ln) | 10/10/26 | 76.1 4.2 | 1603 | 42.2 5.5 | 0045 | 47.6 2.5 | 91 1 | 33 7 | 2.8 | 18.0 0.9 | 1708 | SE | 143 | 0.00 | 0.06 | 0.119 0.003 | 368 6 | 10 10 |
| Rutherford (STS) | 10/10/26 | 78.7 4.6 | 1552 | 42.8 4.3 | 0059 | 50.1 3.0 | 93 0 | 37 6 | 1.9 | 16.7 3.4 | 1657 | ESE | 122 | 0.00 | 0.05 | 0.126 0.001 | 424 6 | 40 20 |
| Oakville-NE (Ranch 88) | 10/10/26 | 77.2 3.3 | 1520 | 41.7 5.3 | 0058 | 46.2 2.7 | 87 2 | 31 7 | 2.2 | 17.8 1.0 | 1743 | S | 186 | 0.00 | 0.04 | 0.121 0.000 | 377 2 | 10 10 |
| OV561-East | 10/9/26 | 79.6 25.7 | 1531 | 49.5 1.1 | 0752 | - | - | - | - | - | - | - | - | - | - | - | 20 20 |
| Oakville | 10/9/26 | 77.8 24.2 | 1328 | 47.7 0.2 | 0707 | 50.4 4.3 | 89 2 | 43 31 | 3.2 | 18.1 8.0 | 1601 | SE | 138 | 0.00 | 0.03 | 0.124 0.017 | 396 6 | 20 20 |
| OV518-West | 10/9/26 | 77.8 20.1 | 1411 | 48.3 0.6 | 0713 | - | - | - | - | - | - | - | - | - | - | - | 20 20 |
| To Kalon Remote (TKKE) | 10/10/26 | 76.6 3.5 | 1559 | 43.8 5.1 | 0032 | - | - | - | - | - | - | - | - | - | - | - | 10 10 |
| To Kalon | 10/10/26 | 75.4 2.4 | 1550 | 44.1 5.6 | 0059 | 48.4 3.7 | 97 5 | 35 12 | 2.9 | 15.1 0.4 | 1320 | E | 83 | 0.00 | 0.00 | 0.127 0.001 | 408 6 | 10 10 |
| To Kalon Remote (TKN5) | 10/10/26 | 76.9 2.5 | 1544 | 43.7 5.9 | 0051 | - | - | - | - | - | - | - | - | - | - | - | 10 10 |
| Yountville (Ranch 67) | 10/10/26 | 73.4 2.8 | 1513 | 42.2 5.2 | 0052 | 47.2 2.7 | 90 1 | 37 8 | 3.1 | 16.2 0.0 | 1549 | E | 98 | 0.00 | 0.05 | 0.125 0.001 | 458 1 | 0 0 |
| Stags Leap Dist (Silverado Vineyards) | 10/10/26 | 74.8 1.4 | 1538 | 43.4 4.6 | 0059 | 47.6 3.2 | 92 2 | 35 10 | 2.1 | 14.1 1.7 | 1646 | SSE | 168 | 0.00 | 0.07 | 0.118 0.004 | 397 5 | 0 0 |
| Borreo (Soda Canyon) | 10/10/26 | 71.1 3.3 | 1512 | 44.1 5.1 | 0059 | 47.7 2.6 | 94 0 | 39 7 | 2.2 | 12.8 2.2 | 1254 | S | 184 | 0.00 | 0.31 | 0.111 0.001 | 404 9 | 0 0 |
| Wappo Hill Floor | 10/10/26 | 74.7 1.9 | 1515 | 42.6 5.1 | 0046 | 48.1 2.6 | 100 8 | 36 10 | 3.0 | 16.4 2.3 | 1641 | SE | 137 | 0.00 | 0.10 | 0.127 0.003 | 412 7 | 10 10 |
| Stags Leap Dist (Chimney Rock) | 10/10/26 | 73.4 2.3 | 1522 | 41.4 5.8 | 0059 | 49.6 3.1 | 97 0 | 43 10 | 2.6 | 14.7 2.0 | 1352 | ESE | 104 | 0.00 | 0.10 | 0.110 0.001 | 378 3 | 0 0 |
| Yountville-South (Ranch 87) | 10/10/26 | 76.2 1.5 | 1517 | 42.5 6.2 | 0035 | 47.5 4.2 | 100 1 | 34 13 | 1.8 | 12.7 0.7 | 1639 | SSW | 198 | 0.00 | 0.09 | 0.105 0.003 | 333 8 | 10 10 |
| Yountville-SE (Ranch 85) | 10/10/26 | 74.3 1.0 | 1530 | 43.6 5.2 | 0058 | 48.3 3.7 | 95 1 | 37 14 | 2.6 | 14.2 0.8 | 1619 | SSE | 151 | 0.00 | 0.08 | - | 0 0 | 0 0 |
| Oak Knoll-East (Ranch 53) | 10/10/26 | 75.4 0.8 | 1528 | 43.8 5.1 | 0034 | 47.1 4.3 | 93 2 | 32 18 | 2.2 | 15.0 2.8 | 1239 | SW | 227 | 0.00 | 0.15 | 0.119 0.001 | 409 2 | 40 20 |
| Napa-NW (Ranch 54) | 10/10/26 | 76.4 0.1 | 1540 | 47.2 2.1 | 0046 | 47.4 3.5 | 100 10 | 33 11 | 0.8 | 11.1 5.3 | 1554 | SW | 234 | 0.00 | 0.18 | - | 0 0 | 10 10 |
| Napa-North (Ranch 29) | 10/10/26 | 73.2 0.8 | 1505 | 43.8 5.8 | 0031 | 49.3 3.4 | 100 0 | 41 13 | 2.6 | 16.7 2.8 | 1610 | SSE | 152 | 0.00 | 0.10 | 0.082 0.007 | 248 10 | 0 0 |
| Max | 79.5 | - | 50.3 | - | 50.1 | 100 | 43 | 3.1 | 18.0 | - | - | 0.00 | 0.31 | 0.127 | 458 | - | |
| Avg | - | - | - | - | 47.9 | - | - | 2.2 | - | - | - | - | - | - | - | - | |
| Min | 71.1 | - | 41.4 | - | 46.0 | 86 | 26 | 0.8 | 10.2 | - | - | 0.00 | 0.00 | 0.023 | 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 | 10/10/26 | 69.1 7.9 | 1447 | 48.6 1.5 | 0402 | 45.9 1.9 | 100 4 | 37 11 | 1.5 | 11.7 4.6 | 1227 | S | 175 | 0.00 | 0.45 | 0.211 0.009 | 1,017 116 | 90 10 |
| Mount George (Napa East) | 10/10/26 | 70.8 2.7 | 1530 | 45.8 4.5 | 0057 | 50.0 3.2 | 94 1 | 43 8 | 1.8 | 11.9 2.5 | 1154 | ESE | 120 | 0.00 | 0.16 | 0.107 0.005 | 386 24 | 0 0 |
| Napa-East (Palmaz 300') | 10/10/26 | 74.3 4.0 | 1532 | 47.1 3.9 | 0059 | 48.9 3.8 | 90 9 | 38 5 | 2.3 | 13.2 2.3 | 1314 | WSW | 239 | 0.00 | 0.16 | 0.103 0.005 | 340 22 | 0 0 |
| Napa-East (Palmaz 1200') | 10/7/26 | 93.2 1.3 | 1451 | 59.3 1.0 | 0458 | 43.5 2.8 | 55 1 | 12 6 | 2.3 | 10.5 0.4 | 1233 | N | 351 | - | - | 0.144 0.001 | 408 2 | 0 0 |
| Napa-East (Palmaz 1400') | 10/10/26 | 67.0 6.3 | 1330 | 44.1 7.1 | 0018 | 48.6 2.0 | 100 0 | 50 10 | 3.4 | 14.8 1.3 | 1221 | SW | 235 | 0.00 | 0.33 | 0.097 0.012 | 368 26 | 10 10 |
| Wooden Valley | 10/10/26 | 70.3 7.1 | 1514 | 45.4 8.2 | 0058 | 47.0 1.4 | 93 5 | 41 4 | 4.2 | 19.3 2.1 | 0344 | SW | 220 | 0.00 | 0.04 | 0.114 0.026 | 410 2 | 10 10 |
| Napa-West Upper (Truchard) | 10/10/26 | 75.6 0.3 | 1433 | 49.6 2.1 | 0045 | 50.0 0.9 | 100 0 | 35 34 | 5.0 | 17.2 2.7 | 1641 | S | 169 | 0.00 | 0.10 | 0.131 0.009 | 408 0 | 20 10 |
| Napa-West Lower (Truchard) | 10/10/26 | 75.0 0.2 | 1455 | 40.3 4.5 | 0101 | 47.7 2.8 | 90 4 | 35 10 | - | - | - | - | - | - | - | - | 10 10 |
| Napa-South (Toyon Farms) | 10/10/26 | 74.0 0.8 | 1444 | 49.2 2.3 | 0040 | 51.9 3.0 | 96 2 | 43 14 | 5.6 | 16.5 1.3 | 1618 | SSE | 165 | 0.00 | 0.07 | 0.073 0.008 | 202 6 | 0 0 |
| Toyon Remote 1 | 10/10/26 | 77.2 4.5 | 1420 | 44.3 1.6 | 0035 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 2 | 10/10/26 | 73.9 1.6 | 1434 | 43.8 3.9 | 0034 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 3 | 10/10/26 | 76.1 1.9 | 1423 | 44.5 1.8 | 0030 | - | - | - | - | - | - | - | - | - | - | - | - |
| Dealy Lane (Ranch 80) | 10/10/26 | 74.5 0.4 | 1452 | 46.4 1.4 | 0030 | 48.6 2.9 | 90 2 | 35 9 | 2.8 | 16.3 0.7 | 1637 | SSE | 157 | 0.00 | 0.08 | 0.118 0.003 | 408 2 | 10 10 |
| Carneros (Saintsbury) | 10/10/26 | 73.0 1.0 | 1436 | 45.6 1.7 | 0042 | 49.0 2.7 | 92 5 | 37 13 | 5.9 | 19.0 1.0 | 1617 | SSE | 165 | 0.00 | 0.08 | - | - | 0 0 |
| Suscol Lower (Ranch 35) | 10/10/26 | 71.4 1.0 | 1537 | 48.6 2.9 | 0040 | 49.1 4.0 | 91 9 | 41 14 | 5.5 | 18.4 0.9 | 1327 | SW | 223 | 0.00 | 0.15 | 0.121 0.014 | 375 11 | 0 0 |
| Suscol Mtn (Ranch 93) | 10/10/26 | 73.0 0.3 | 1528 | 51.3 1.6 | 0022 | 50.0 3.3 | 96 2 | 45 14 | 6.8 | 18.3 0.2 | 1511 | WNW | 296 | 0.00 | 0.40 | - | - | 0 10 |
| Suscol Upper (Ranch 92) | 10/10/26 | 69.2 1.7 | 1532 | 50.1 3.3 | 2349 | 49.4 5.6 | 100 0 | 46 46 | 4.6 | 18.6 2.8 | 1417 | S | 174 | 0.00 | 0.15 | - | - | 20 10 |
| Stanly (Ranch 45) | 10/10/26 | 70.3 0.7 | 1444 | 47.1 1.5 | 0058 | 49.8 2.5 | 91 3 | 44 11 | 6.3 | 19.7 1.0 | 1604 | S | 186 | 0.00 | 0.15 | 0.134 0.017 | 424 10 | 0 0 |
| Carneros Upper (Ranch 81) | 10/10/26 | 72.8 1.5 | 1523 | 51.2 1.0 | 0051 | 48.0 7.8 | - | - | 7.9 | 18.5 10.0 | 0102 | WSW | 256 | - | - | - | - | 0 0 |
| Carneros (Mitsuko) | 10/10/26 | 73.9 0.5 | 1441 | 41.4 2.6 | 0036 | - | - | - | - | - | - | - | - | - | - | - | 0 0 |
| Carneros Lower (Ranch 81) | 10/10/26 | 78.0 0.7 | 1602 | 44.7 8.2 | 0056 | 48.8 4.1 | 92 4 | 33 11 | 0.8 | 14.5 1.2 | 1705 | SSE | 156 | 0.00 | 0.01 | 0.014 0.002 | 5 1 | 0 0 |
| Carneros (Milton Rd) | 10/10/26 | 72.6 1.6 | 1427 | 44.3 1.6 | 0043 | 49.1 2.3 | 90 5 | 38 15 | - | - | - | - | 0.00 | 0.00 | - | - | 0 0 |
| Max | 78.0 | - | 51.3 | - | 51.9 | 100 | 50 | 7.9 | 19.7 | - | - | 0.00 | 0.45 | 0.211 | 1,017 | - | |
| Avg | - | - | - | - | 48.9 | - | - | 4.3 | - | - | - | - | - | - | - | - | |
| Min | 67.0 | - | 40.3 | - | 45.9 | 90 | 33 | 0.8 | 11.7 | - | - | 0.00 | 0.00 | 0.014 | 5 | - |