| 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 | 10/27/26 | 67.2 0.6 | 1519 | 36.9 0.3 | 0557 | - | - | - | - | - | - | - | 0.00 | 0.83 | - | - | 0 0 |
| Pope Valley (Weeks Lake) | 10/27/26 | 72.1 0.6 | 1518 | 31.3 0.1 | 0732 | 38.5 0.1 | 100 0 | 32 1 | 1.2 0.5 | 11.8 2.2 | 1521 | SW | 226 | 0.00 | 0.07 | 0.085 0.013 | 320 18 | 20 10 |
| Dollarhide Base | 10/27/26 | 72.1 3.4 | 1536 | 36.1 6.7 | 0739 | 44.6 0.9 | 100 2 | 40 0 | 1.8 0.8 | 12.1 3.4 | 1540 | SSW | 207 | 0.00 | 0.42 | 0.090 0.012 | 318 14 | 20 10 |
| Dollarhide 1AS Remote | 10/27/26 | 72.4 1.0 | 1501 | 34.2 2.5 | 0436 | 40.8 1.8 | 93 0 | 38 1 | 1.3 0.7 | 11.8 2.3 | 1534 | SW | 219 | - | - | - | - | 20 10 |
| Dollarhide 16A Remote | 10/27/26 | 73.4 1.2 | 1443 | 34.9 3.1 | 0705 | 43.4 0.9 | 100 2 | 39 2 | - | - | - | - | - | - | - | - | 0 0 |
| Dollarhide 18A Remote | 10/27/26 | 70.9 2.5 | 1523 | 33.3 0.1 | 0448 | 40.7 0.9 | 100 1 | 40 1 | - | - | - | - | - | - | - | - | 0 0 |
| Hardin Rd (Eakle) | 10/13/26 | 77.0 2.0 | 1534 | 32.3 1.2 | 0726 | - | - | - | - | - | - | - | - | - | - | - | 20 20 |
| Angwin | 10/27/26 | 62.0 0.3 | 1445 | 43.6 2.1 | 0656 | 41.0 1.6 | 88 9 | 43 1 | 2.9 0.5 | 12.4 2.7 | 1526 | SSE | 155 | 0.00 | 0.35 | 0.023 0.001 | 0 0 | 10 10 |
| Lower Angwin (Pioneer) | 10/27/26 | 65.6 0.3 | 1158 | 30.6 2.1 | 0420 | - | - | - | 1.5 0.1 | 12.4 0.4 | 1435 | W | 266 | - | - | - | - | 0 0 |
| Las Posadas (Cal Fire) | 10/27/26 | 66.4 0.1 | 1536 | 40.9 0.6 | 0654 | 43.2 0.1 | 96 4 | 45 1 | 4.1 2.5 | 15.9 4.3 | 1349 | SW | 228 | 0.00 | 0.55 | 0.088 0.015 | 321 22 | - |
| Deer Park | 10/27/26 | 70.8 0.5 | 1417 | 46.0 0.6 | 0545 | 44.3 0.3 | 90 2 | 36 3 | 3.5 0.4 | 12.8 3.4 | 1527 | S | 176 | 0.00 | 0.22 | 0.078 0.006 | 247 6 | 70 10 |
| Lower Chiles Valley (Brown) | 10/27/26 | 68.5 0.4 | 1433 | 32.6 0.1 | 0718 | 40.2 0.5 | 100 0 | 39 2 | 1.0 0.7 | 11.4 4.7 | 1322 | W | 269 | 0.00 | 0.72 | 0.093 0.006 | 357 11 | 0 0 |
| Moss Creek Vineyard/Reservior | 10/27/26 | 71.7 2.4 | 1440 | 36.9 5.9 | 0737 | 42.8 1.0 | 98 2 | 37 3 | - | - | - | - | 0.00 | 0.54 | - | - | 0 0 |
| Max | 73.4 | - | 46.0 | - | 44.6 | 100 | 45 | 4.1 | 15.9 | - | - | 0.00 | 0.83 | 0.093 | 357 | - | |
| Avg | - | - | - | - | 42.0 | - | - | 2.2 | - | - | - | - | - | - | - | - | |
| Min | 62.0 | - | 30.6 | - | 38.5 | 88 | 32 | 1.0 | 11.4 | - | - | 0.00 | 0.07 | 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) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Calistoga-North | 10/27/26 | 71.2 0.5 | 1446 | 35.9 2.1 | 0731 | 41.7 1.7 | 98 3 | 37 7 | - | - | - | - | 0.00 | 0.15 | - | - | 20 10 |
| Diamond Mtn (Schramsberg) | 10/27/26 | 68.3 1.4 | 1402 | 43.9 0.2 | 0618 | 42.7 0.6 | 100 12 | 36 4 | - | - | - | - | 0.00 | 0.15 | - | - | 40 10 |
| Diamond Mtn (McEachran) | 10/27/26 | 69.2 0.6 | 1449 | 43.7 2.5 | 0726 | 42.8 0.4 | 94 5 | 34 7 | - | - | - | - | - | - | - | - | 70 10 |
| St. Helena-North | 10/27/26 | 73.4 1.1 | 1420 | 39.1 0.1 | 0658 | 40.5 0.1 | 91 4 | 29 3 | 1.5 | 10.3 2.0 | 1441 | SSE | 163 | 0.00 | 0.15 | 0.084 0.004 | 298 14 | 40 10 |
| St. Helena (NVV Office) | 10/27/26 | 71.9 1.0 | 1610 | 39.3 0.4 | 0716 | - | - | - | 0.9 | 7.8 4.3 | 1645 | ESE | 106 | 0.00 | 0.32 | - | - | 20 10 |
| Tiara Fria (East St. Helena) | 10/27/26 | 70.1 1.7 | 1529 | 37.2 0.2 | 0724 | 42.5 0.7 | 96 0 | 38 1 | 1.3 | 10.0 4.5 | 1638 | E | 97 | 0.00 | 0.52 | - | - | 20 10 |
| Prisoner Winery | 10/27/26 | 73.1 1.1 | 1456 | 37.6 0.4 | 0448 | 43.0 0.2 | 98 2 | 36 3 | 1.0 | 6.5 6.9 | 1333 | E | 87 | 0.00 | 0.41 | 0.015 0.005 | 0 0 | 20 10 |
| Rutherford Hill Estate | 10/27/26 | 72.1 1.7 | 1602 | 43.2 1.4 | 0750 | 45.2 0.2 | 100 7 | 37 1 | 1.4 | 12.1 3.3 | 1802 | ESE | 118 | 0.00 | 0.50 | 0.078 0.006 | 290 15 | 20 10 |
| Rutherford-North (Mee Ln) | 10/27/26 | 71.3 1.2 | 1544 | 33.4 1.6 | 0736 | 41.2 0.8 | 96 0 | 38 1 | 1.9 | 12.7 1.1 | 1638 | E | 100 | 0.00 | 0.50 | 0.087 0.003 | 307 12 | 20 10 |
| Rutherford (STS) | 10/27/26 | 73.4 1.9 | 1524 | 34.1 1.2 | 0714 | 43.4 0.5 | 91 0 | 42 1 | 1.5 | 11.0 3.4 | 1619 | ESE | 115 | 0.00 | 0.42 | 0.093 0.007 | 347 14 | 20 10 |
| Oakville-NE (Ranch 88) | 10/27/26 | 72.1 0.9 | 1529 | 33.5 0.9 | 0717 | 40.4 0.5 | 100 0 | 35 1 | 1.1 | 11.7 0.0 | 1706 | S | 177 | 0.00 | 0.44 | 0.087 0.002 | 325 12 | 0 0 |
| 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) | 10/27/26 | 71.4 1.7 | 1539 | 35.7 1.7 | 0727 | - | - | - | - | - | - | - | - | - | - | - | 20 10 |
| To Kalon | 10/27/26 | 69.9 2.1 | 1527 | 36.3 1.2 | 0750 | 43.0 0.6 | 98 1 | 41 0 | 2.0 | 12.2 1.6 | 1619 | SE | 138 | 0.00 | 0.33 | 0.091 0.002 | 327 17 | 20 10 |
| To Kalon Remote (TKN5) | 10/27/26 | 72.1 0.2 | 1509 | 35.7 1.7 | 0745 | - | - | - | - | - | - | - | - | - | - | - | 20 10 |
| Yountville (Ranch 67) | 10/27/26 | 69.3 1.7 | 1508 | 34.6 1.6 | 0736 | 41.0 0.9 | 95 1 | 39 2 | 2.0 | 12.1 1.7 | 1712 | S | 180 | 0.00 | 0.46 | 0.093 0.005 | 416 14 | 20 10 |
| Stags Leap Dist (Silverado Vineyards) | 10/27/26 | 69.6 3.7 | 1503 | 34.9 3.0 | 0700 | 41.5 1.3 | 97 1 | 39 4 | 1.6 | 10.7 0.7 | 1532 | S | 174 | 0.00 | 0.48 | 0.090 0.002 | 322 14 | 30 10 |
| Borreo (Soda Canyon) | 10/27/26 | 67.0 3.1 | 1543 | 38.0 3.8 | 0756 | 42.4 0.9 | 98 1 | 42 3 | 1.5 | 11.8 0.5 | 1526 | SSE | 168 | 0.00 | 0.82 | 0.086 0.008 | 351 16 | 0 10 |
| Wappo Hill Floor | 10/27/26 | 71.8 1.0 | 1502 | 34.4 2.2 | 0726 | 43.0 0.8 | 100 0 | 38 1 | 1.8 | 11.1 4.5 | 1546 | SE | 124 | 0.00 | 0.51 | 0.089 0.005 | 329 10 | 20 10 |
| Stags Leap Dist (Chimney Rock) | 10/27/26 | 69.8 3.6 | 1519 | 35.2 1.2 | 0723 | 43.8 0.6 | 100 0 | 46 3 | 1.6 | 9.6 2.2 | 1528 | ESE | 104 | 0.00 | 0.60 | 0.079 0.008 | 312 18 | 20 10 |
| Yountville-South (Ranch 87) | 10/27/26 | 70.9 1.9 | 1509 | 34.9 3.0 | 0726 | 43.2 1.1 | 100 0 | 40 3 | 1.2 | 12.3 2.3 | 1526 | S | 170 | 0.00 | 0.49 | 0.081 0.006 | 301 12 | 80 10 |
| Yountville-SE (Ranch 85) | 10/27/26 | 69.2 3.6 | 1343 | 35.4 3.0 | 0720 | 43.4 0.8 | 100 3 | 42 3 | 1.6 | 9.5 4.2 | 1555 | SSE | 160 | 0.00 | 0.56 | - | 0 0 | 20 10 |
| Oak Knoll-East (Ranch 53) | 10/27/26 | 69.9 3.6 | 1446 | 36.6 1.5 | 0616 | 42.4 0.9 | 96 1 | 40 1 | 1.2 | 11.5 1.8 | 1547 | SE | 132 | 0.00 | 0.47 | 0.090 0.005 | 347 7 | 80 10 |
| Napa-NW (Ranch 54) | 10/27/26 | 70.0 2.3 | 1558 | 36.3 1.5 | 0600 | 43.2 0.3 | 100 0 | 40 1 | 0.5 | 6.7 4.3 | 1320 | SSW | 202 | 0.00 | 0.50 | - | 0 0 | 20 10 |
| Napa-North (Ranch 29) | 10/27/26 | 70.1 3.0 | 1426 | 37.8 0.6 | 0602 | 44.3 0.9 | 100 0 | 41 1 | 1.0 | 10.9 1.0 | 1504 | S | 179 | 0.00 | 0.47 | 0.057 0.006 | 195 8 | 0 0 |
| Max | 73.4 | - | 43.9 | - | 45.2 | 100 | 46 | 2.0 | 12.7 | - | - | 0.00 | 0.82 | 0.093 | 416 | - | |
| Avg | - | - | - | - | 42.6 | - | - | 1.4 | - | - | - | - | - | - | - | - | |
| Min | 67.0 | - | 33.4 | - | 40.4 | 91 | 29 | 0.5 | 6.5 | - | - | 0.00 | 0.15 | 0.015 | 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 | 10/27/26 | 64.3 0.4 | 1341 | 46.6 0.9 | 0429 | 43.2 1.6 | 87 10 | 47 14 | 1.2 | 8.0 3.1 | 1651 | S | 172 | 0.00 | 0.77 | 0.054 0.010 | 188 38 | 10 10 |
| Mount George (Napa East) | 10/27/26 | 68.6 5.6 | 1505 | 40.7 2.2 | 0602 | 45.9 2.2 | 100 0 | 43 2 | 0.9 | 8.9 6.0 | 1409 | W | 265 | 0.00 | 0.48 | 0.085 0.012 | 341 16 | 20 10 |
| Napa-East (Palmaz 300') | 10/27/26 | 72.3 3.7 | 1523 | 38.6 3.4 | 0711 | 44.2 1.8 | 100 0 | 37 2 | 1.2 | 9.2 4.2 | 1623 | SSW | 213 | 0.00 | 0.45 | 0.080 0.009 | 303 11 | 20 10 |
| Napa-East (Palmaz 1200') | 10/27/26 | 64.5 2.9 | 1551 | 38.7 3.2 | 0739 | 41.2 1.3 | 100 0 | 3 1 | 2.0 | 10.0 1.6 | 1315 | NW | 304 | - | - | 0.077 0.005 | 324 3 | 0 0 |
| Napa-East (Palmaz 1400') | 10/27/26 | 63.8 3.4 | 1452 | 41.4 2.2 | 2331 | 44.4 2.0 | 100 0 | 50 3 | 1.9 | 10.3 3.9 | 1521 | SW | 228 | 0.00 | 0.74 | 0.080 0.003 | 333 2 | 0 0 |
| Wooden Valley | 10/27/26 | 67.2 2.7 | 1600 | 37.3 1.6 | 0056 | 42.1 0.7 | 97 0 | 41 1 | 1.5 | 9.5 5.5 | 1309 | ESE | 118 | 0.00 | 0.47 | 0.081 0.015 | 326 29 | 0 0 |
| Napa-West Upper (Truchard) | 10/27/26 | 70.4 2.4 | 1418 | 42.0 2.5 | 0720 | 5.7 23.8 | 100 0 | 0 0 | 1.8 | 12.4 4.6 | 1427 | SSW | 204 | 0.00 | 0.40 | 0.093 0.010 | 341 10 | 20 10 |
| Napa-West Lower (Truchard) | 10/27/26 | 70.1 4.0 | 1412 | 35.0 2.2 | 0600 | 41.1 1.5 | 98 0 | 40 1 | - | - | - | - | - | - | - | - | 20 10 |
| Napa-South (Toyon Farms) | 10/27/26 | 70.9 1.7 | 1424 | 41.9 1.7 | 0801 | 47.3 1.2 | 100 0 | 47 1 | 2.0 | 12.6 5.9 | 1452 | SSE | 162 | 0.00 | 0.40 | 0.055 0.006 | 174 2 | 20 10 |
| Toyon Remote 1 | 10/27/26 | 68.9 6.1 | 1440 | 37.6 1.3 | 0603 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 2 | 10/27/26 | 68.9 3.0 | 1423 | 37.1 2.9 | 0531 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 3 | 10/27/26 | 68.9 5.4 | 1606 | 36.6 2.6 | 0707 | - | - | - | - | - | - | - | - | - | - | - | - |
| Dealy Lane (Ranch 80) | 10/27/26 | 69.3 2.3 | 1421 | 40.0 2.1 | 0708 | 44.1 1.6 | 97 1 | 41 2 | 2.1 | 11.8 2.3 | 1525 | SSE | 148 | 0.00 | 0.41 | 0.087 0.009 | 340 10 | 20 10 |
| Carneros (Saintsbury) | 10/27/26 | 67.7 4.4 | 1411 | 36.5 3.5 | 0725 | 43.5 2.1 | 100 0 | 45 2 | 2.7 | 12.8 7.4 | 1442 | SSE | 153 | 0.00 | 0.45 | - | - | 20 10 |
| Suscol Lower (Ranch 35) | 10/27/26 | 68.6 3.4 | 1517 | 40.5 2.8 | 0648 | 44.7 1.6 | 100 0 | 41 1 | 2.9 | 11.5 8.5 | 1612 | SSW | 210 | 0.00 | 0.51 | 0.087 0.015 | 327 13 | 0 0 |
| Suscol Mtn (Ranch 93) | 10/27/26 | 70.0 0.7 | 1537 | 46.1 1.9 | 0648 | 46.2 1.4 | 96 0 | 44 4 | 3.5 | 14.3 10.7 | 1358 | NW | 316 | 0.00 | 0.65 | - | - | 30 10 |
| Suscol Upper (Ranch 92) | 10/27/26 | 67.0 1.4 | 1451 | 45.6 2.4 | 0744 | 20.7 26.9 | 100 0 | 0 46 | 1.0 | 13.2 7.5 | 1457 | SSW | 200 | 0.00 | 0.37 | - | - | 0 0 |
| Stanly (Ranch 45) | 10/27/26 | 67.8 3.8 | 1442 | 35.8 5.6 | 0617 | 43.7 2.1 | 97 2 | 43 1 | 3.1 | 12.0 3.7 | 1626 | WNW | 284 | 0.00 | 0.28 | 0.101 0.012 | 377 10 | 20 10 |
| Carneros Upper (Ranch 81) | 10/27/26 | 68.9 0.9 | 1509 | 46.0 1.0 | 0737 | 45.4 2.0 | - | - | 3.8 | 15.8 8.5 | 1648 | SSW | 197 | - | - | - | - | 20 10 |
| Carneros (Mitsuko) | 10/27/26 | 68.6 3.5 | 1357 | 34.3 4.0 | 0721 | - | - | - | - | - | - | - | - | - | - | - | 0 0 |
| Carneros Lower (Ranch 81) | 10/27/26 | 70.6 4.1 | 1330 | 37.9 2.2 | 0700 | 36.6 6.4 | 100 0 | 0 0 | 1.2 | 12.4 0.7 | 1435 | S | 177 | 0.00 | 0.08 | 0.017 0.006 | 3 0 | 20 10 |
| Carneros (Milton Rd) | 10/27/26 | 68.2 3.8 | 1438 | 36.6 3.4 | 0601 | 42.8 2.3 | 94 2 | 44 3 | - | - | - | - | 0.00 | 0.10 | - | - | 0 0 |
| Max | 72.3 | - | 46.6 | - | 47.3 | 100 | 50 | 3.8 | 15.8 | - | - | 0.00 | 0.77 | 0.101 | 377 | - | |
| Avg | - | - | - | - | 40.2 | - | - | 2.0 | - | - | - | - | - | - | - | - | |
| Min | 63.8 | - | 34.3 | - | 5.7 | 87 | 0 | 0.9 | 8.0 | - | - | 0.00 | 0.08 | 0.017 | 3 | - |