| 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 | 10/20/26 | 71.3 7.2 | 1552 | 37.3 0.2 | 0716 | - | - | - | - | - | - | - | 0.00 | 0.82 | - | - | 20 10 |
| Pope Valley (Weeks Lake) | 10/20/26 | 73.3 4.6 | 1543 | 37.0 6.3 | 0716 | 39.7 1.2 | 100 0 | 25 9 | 1.0 0.7 | 9.0 8.1 | 1412 | SE | 132 | 0.00 | 0.03 | 0.071 0.027 | 239 129 | 0 10 |
| Dollarhide Base | 10/20/26 | 74.8 2.8 | 1320 | 43.8 0.3 | 0726 | 43.3 2.3 | 96 1 | 31 8 | 2.2 1.4 | 13.3 0.7 | 1843 | NNE | 29 | 0.00 | 0.00 | 0.093 0.010 | 278 66 | 10 10 |
| Dollarhide 1AS Remote | 10/20/26 | 73.3 2.4 | 1425 | 38.0 3.5 | 0741 | 41.7 2.1 | 91 0 | 30 8 | 1.2 2.2 | 12.3 1.5 | 1406 | E | 91 | - | - | - | - | 0 0 |
| Dollarhide 16A Remote | 10/20/26 | 73.8 1.3 | 1451 | 42.2 3.1 | 0744 | 42.8 1.7 | 96 1 | 30 7 | - | - | - | - | - | - | - | - | 0 0 |
| Dollarhide 18A Remote | 10/20/26 | 76.0 6.0 | 1421 | 36.3 3.6 | 0748 | 41.8 1.8 | 95 3 | 29 11 | - | - | - | - | - | - | - | - | 0 10 |
| Hardin Rd (Eakle) | 10/13/26 | 77.0 2.0 | 1534 | 32.3 1.2 | 0726 | - | - | - | - | - | - | - | - | - | - | - | 20 20 |
| Angwin | 10/20/26 | 64.6 5.3 | 1548 | 44.7 1.2 | 0747 | 36.2 6.4 | 87 13 | 32 14 | 4.0 1.3 | 12.5 1.3 | 2253 | N | 349 | 0.00 | 0.30 | 0.044 0.027 | 0 0 | 80 10 |
| Lower Angwin (Pioneer) | 10/20/26 | 68.5 5.7 | 1607 | 33.6 2.4 | 0720 | - | - | - | 2.0 0.6 | 9.4 5.0 | 1921 | NE | 52 | - | - | - | - | 50 10 |
| Las Posadas (Cal Fire) | 10/20/26 | 69.1 4.2 | 1356 | 42.7 2.9 | 0658 | 40.3 4.0 | 89 8 | 33 11 | 4.2 3.4 | 14.6 5.0 | 0216 | SW | 216 | 0.00 | 0.23 | 0.089 0.005 | 250 84 | - |
| Deer Park | 10/20/26 | 75.4 6.7 | 1556 | 46.5 2.0 | 0604 | 41.2 3.0 | 87 3 | 27 10 | 2.0 1.5 | 12.0 2.3 | 1935 | ESE | 111 | 0.00 | 0.04 | 0.074 0.003 | 204 32 | 80 10 |
| Lower Chiles Valley (Brown) | 10/20/26 | 73.2 5.4 | 1501 | 37.9 4.2 | 0716 | 39.4 4.0 | 95 2 | 25 16 | 1.5 1.8 | 10.7 6.7 | 1301 | ENE | 65 | 0.00 | 0.14 | 0.098 0.001 | 324 33 | 0 10 |
| Moss Creek Vineyard/Reservior | 10/20/26 | 72.2 0.4 | 1503 | 45.0 0.3 | 0324 | 41.0 1.7 | 89 3 | 27 6 | - | - | - | - | 0.00 | 0.04 | - | - | 0 0 |
| Max | 76.0 | - | 46.5 | - | 43.3 | 100 | 33 | 4.2 | 14.6 | - | - | 0.00 | 0.82 | 0.098 | 324 | - | |
| Avg | - | - | - | - | 40.7 | - | - | 2.3 | - | - | - | - | - | - | - | - | |
| Min | 64.6 | - | 33.6 | - | 36.2 | 87 | 25 | 1.0 | 9.0 | - | - | 0.00 | 0.00 | 0.044 | 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 | 10/20/26 | 75.3 6.2 | 1600 | 40.6 5.0 | 0751 | 43.6 3.0 | 97 8 | 29 14 | - | - | - | - | 0.00 | 0.09 | - | - | 10 10 |
| Diamond Mtn (Schramsberg) | 10/20/26 | 71.1 4.6 | 1537 | 47.5 1.2 | 0640 | 39.7 4.3 | 83 8 | 26 15 | - | - | - | - | 0.00 | 0.13 | - | - | 80 10 |
| Diamond Mtn (McEachran) | 10/20/26 | 75.2 8.1 | 1550 | 45.0 3.7 | 0759 | 40.9 3.7 | 85 5 | 25 15 | - | - | - | - | - | - | - | - | 80 10 |
| St. Helena-North | 10/20/26 | 77.7 6.0 | 1556 | 41.6 5.1 | 0739 | 39.8 3.0 | 85 5 | 22 7 | 1.2 | 9.2 1.1 | 1417 | S | 174 | 0.00 | 0.11 | 0.079 0.012 | 273 48 | 0 10 |
| St. Helena (NVV Office) | 10/20/26 | 77.7 5.8 | 1551 | 42.8 3.5 | 0744 | - | - | - | 0.6 | 5.3 5.0 | 1344 | W | 277 | 0.00 | 0.04 | - | - | 0 10 |
| Tiara Fria (East St. Helena) | 10/20/26 | 75.1 4.6 | 1553 | 40.6 3.6 | 0733 | 42.4 1.0 | 91 4 | 28 7 | 0.9 | 7.4 3.4 | 1150 | SSW | 208 | 0.00 | 0.02 | - | - | 10 10 |
| Prisoner Winery | 10/20/26 | 76.0 5.5 | 1549 | 41.0 1.9 | 0732 | 42.6 1.0 | 97 3 | 26 11 | 0.8 | 7.9 3.6 | 1241 | NNW | 337 | 0.00 | 0.06 | 0.012 0.006 | 0 0 | 0 10 |
| Rutherford Hill Estate | 10/20/26 | 74.6 2.2 | 1551 | 46.3 2.2 | 0739 | 43.1 1.4 | 92 2 | 29 6 | 1.1 | 6.6 4.8 | 1146 | SW | 215 | 0.00 | 0.08 | 0.067 0.018 | 229 71 | 10 10 |
| Rutherford-North (Mee Ln) | 10/20/26 | 75.2 3.4 | 1533 | 39.1 2.6 | 0720 | 42.5 0.8 | 92 2 | 28 8 | 1.2 | 9.0 4.2 | 1534 | S | 190 | 0.00 | 0.06 | 0.071 0.018 | 233 68 | 30 10 |
| Rutherford (STS) | 10/20/26 | 77.6 4.6 | 1548 | 39.7 2.7 | 0721 | 45.0 1.0 | 93 1 | 32 8 | 1.1 | 6.4 6.3 | 1316 | W | 271 | 0.00 | 0.05 | 0.075 0.022 | 268 68 | 30 10 |
| Oakville-NE (Ranch 88) | 10/20/26 | 75.3 2.8 | 1548 | 36.9 3.3 | 0734 | 40.4 1.1 | 88 2 | 27 5 | 0.5 | 6.9 4.1 | 0902 | N | 5 | 0.00 | 0.04 | 0.067 0.019 | 244 56 | 0 10 |
| OV561-East | 10/20/26 | 74.8 3.1 | 1531 | 40.4 0.3 | 0744 | - | - | - | - | - | - | - | - | - | - | - | 0 10 |
| Oakville | 10/20/26 | 75.3 4.3 | 1549 | 38.8 0.5 | 0732 | 42.7 0.5 | 95 4 | 28 9 | 1.2 | 8.2 5.1 | 1145 | WNW | 297 | 0.00 | 0.03 | 0.073 0.022 | 258 61 | 10 10 |
| OV518-West | 10/20/26 | 73.0 4.4 | 1547 | 39.5 0.7 | 0728 | - | - | - | - | - | - | - | - | - | - | - | 10 10 |
| To Kalon Remote (TKKE) | 10/15/26 | 96.3 12.0 | 1554 | 39.4 5.0 | 0718 | - | - | - | - | - | - | - | - | - | - | - | 30 10 |
| To Kalon | 10/15/26 | 95.3 13.1 | 1514 | 40.3 4.1 | 0658 | 35.6 0.2 | 83 2 | 10 9 | 1.8 | 12.7 1.3 | 1317 | NNE | 21 | 0.00 | 0.00 | 0.140 0.009 | 398 1 | 30 10 |
| To Kalon Remote (TKN5) | 10/15/26 | 94.1 9.5 | 1554 | 39.5 4.7 | 0707 | - | - | - | - | - | - | - | - | - | - | - | 30 10 |
| Yountville (Ranch 67) | 10/20/26 | 72.6 2.4 | 1424 | 39.1 0.9 | 0754 | 41.8 0.6 | 91 1 | 31 5 | 1.2 | 6.9 6.5 | 1112 | NW | 316 | 0.00 | 0.05 | 0.079 0.014 | 351 51 | 0 0 |
| Stags Leap Dist (Silverado Vineyards) | 10/20/26 | 72.8 2.5 | 1419 | 40.7 2.1 | 0803 | 41.7 1.2 | 93 0 | 31 4 | 0.7 | 6.4 6.9 | 1010 | NNW | 344 | 0.00 | 0.07 | 0.078 0.008 | 287 18 | 0 0 |
| Borreo (Soda Canyon) | 10/20/26 | 71.2 3.3 | 1448 | 41.3 0.6 | 0734 | 40.7 2.0 | 89 6 | 32 4 | 1.2 | 7.5 6.0 | 0944 | S | 172 | 0.00 | 0.31 | 0.086 0.000 | 318 2 | 20 10 |
| Wappo Hill Floor | 10/20/26 | 73.9 3.6 | 1421 | 41.3 2.4 | 0650 | 41.9 1.6 | 100 0 | 31 4 | 1.3 | 10.6 3.8 | 1103 | WNW | 296 | 0.00 | 0.10 | 0.085 0.013 | 296 39 | 10 10 |
| Stags Leap Dist (Chimney Rock) | 10/20/26 | 74.2 4.3 | 1449 | 40.0 1.6 | 0700 | 44.5 1.3 | 97 0 | 36 5 | 1.2 | 8.2 5.8 | 1101 | NNW | 330 | 0.00 | 0.10 | 0.081 0.005 | 289 7 | 0 0 |
| Yountville-South (Ranch 87) | 10/20/26 | 73.4 3.0 | 1439 | 39.9 1.6 | 0723 | 43.6 0.6 | 100 0 | 32 4 | 0.7 | 7.4 7.0 | 1408 | SSE | 162 | 0.00 | 0.09 | 0.070 0.022 | 247 76 | 60 20 |
| Yountville-SE (Ranch 85) | 10/20/26 | 73.6 2.5 | 1453 | 40.8 0.5 | 0730 | 43.4 1.0 | 94 1 | 32 5 | 0.9 | 10.3 0.2 | 1220 | NW | 321 | 0.00 | 0.08 | - | 0 0 | 0 0 |
| Oak Knoll-East (Ranch 53) | 10/20/26 | 73.8 4.2 | 1453 | 41.5 0.5 | 0708 | 43.1 1.1 | 93 0 | 30 4 | 0.9 | 8.7 9.6 | 1231 | N | 354 | 0.00 | 0.15 | 0.083 0.010 | 306 16 | 60 10 |
| Napa-NW (Ranch 54) | 10/20/26 | 74.3 4.1 | 1541 | 42.9 0.5 | 0715 | 42.2 1.4 | 92 0 | 29 4 | 0.5 | 6.0 6.9 | 1053 | N | 1 | 0.00 | 0.18 | - | 0 0 | 10 10 |
| Napa-North (Ranch 29) | 10/20/26 | 73.9 3.9 | 1606 | 42.1 4.9 | 0716 | 43.7 1.2 | 100 6 | 30 3 | 0.7 | 7.5 5.5 | 1316 | SSW | 198 | 0.00 | 0.10 | 0.050 0.023 | 145 76 | 0 0 |
| Max | 77.7 | - | 47.5 | - | 45.0 | 100 | 36 | 1.3 | 10.6 | - | - | 0.00 | 0.31 | 0.086 | 351 | - | |
| Avg | - | - | - | - | 42.3 | - | - | 0.9 | - | - | - | - | - | - | - | - | |
| Min | 71.1 | - | 36.9 | - | 39.7 | 83 | 22 | 0.5 | 5.3 | - | - | 0.00 | 0.02 | 0.012 | 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 | 10/20/26 | 66.9 1.4 | 1557 | 47.5 1.9 | 0151 | 39.7 2.7 | 82 13 | 34 9 | 1.1 | 9.0 1.2 | 1044 | N | 4 | 0.00 | 0.45 | 0.092 0.010 | 411 46 | 80 10 |
| Mount George (Napa East) | 10/20/26 | 72.3 3.8 | 1447 | 42.8 5.8 | 0711 | 43.0 2.5 | 95 6 | 31 6 | 0.8 | 8.1 4.7 | 1448 | SW | 228 | 0.00 | 0.16 | 0.078 0.010 | 290 23 | 0 0 |
| Napa-East (Palmaz 300') | 10/20/26 | 76.1 3.6 | 1415 | 43.8 5.1 | 0705 | 42.7 2.5 | 94 6 | 27 5 | 1.3 | 7.4 4.0 | 1359 | SW | 215 | 0.00 | 0.16 | 0.077 0.009 | 248 31 | 10 10 |
| Napa-East (Palmaz 1200') | 10/20/26 | 69.2 4.9 | 1444 | 42.9 1.2 | 0709 | 40.7 1.3 | 100 0 | 4 0 | 1.7 | 7.8 7.2 | 1440 | N | 1 | - | - | 0.077 0.002 | 277 29 | 0 0 |
| Napa-East (Palmaz 1400') | 10/20/26 | 69.2 5.4 | 1449 | 44.4 0.7 | 0713 | 41.0 4.0 | 100 0 | 31 12 | 1.8 | 9.4 7.4 | 1507 | SW | 228 | 0.00 | 0.33 | 0.079 0.001 | 286 24 | 0 0 |
| Wooden Valley | 10/20/26 | 72.0 5.1 | 1616 | 41.9 2.3 | 0717 | 40.1 3.0 | 92 2 | 26 9 | 1.1 | 8.3 6.2 | 1209 | SE | 128 | 0.00 | 0.04 | 0.081 0.015 | 301 49 | 10 10 |
| Napa-West Upper (Truchard) | 10/20/26 | 77.7 6.7 | 1558 | 46.6 0.8 | 0757 | 42.8 2.8 | 94 0 | 26 4 | 0.9 | 9.9 8.2 | 1430 | SSW | 202 | 0.00 | 0.10 | 0.084 0.025 | 304 28 | 0 0 |
| Napa-West Lower (Truchard) | 10/20/26 | 77.4 5.8 | 1608 | 39.4 2.4 | 0718 | 40.6 3.9 | 94 7 | 25 4 | - | - | - | - | - | - | - | - | 20 20 |
| Napa-South (Toyon Farms) | 10/20/26 | 77.4 7.4 | 1600 | 46.2 2.9 | 0707 | 46.1 1.6 | 94 3 | 32 8 | 1.1 | 8.4 7.7 | 1311 | SSE | 163 | 0.00 | 0.07 | 0.053 0.016 | 156 49 | 0 0 |
| Toyon Remote 1 | 10/20/26 | 75.4 1.7 | 1548 | 41.6 1.3 | 0713 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 2 | 10/20/26 | 75.7 5.9 | 1606 | 42.8 1.5 | 0639 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 3 | 10/20/26 | 75.7 3.1 | 1549 | 41.5 2.1 | 0720 | - | - | - | - | - | - | - | - | - | - | - | - |
| Dealy Lane (Ranch 80) | 10/20/26 | 74.5 5.1 | 1555 | 43.2 2.4 | 0725 | 42.0 3.0 | 92 5 | 29 4 | 1.3 | 6.9 7.7 | 1225 | E | 94 | 0.00 | 0.08 | 0.085 0.011 | 309 24 | 0 0 |
| Carneros (Saintsbury) | 10/20/26 | 75.0 5.4 | 1552 | 43.9 3.1 | 0740 | 42.6 3.0 | 91 3 | 28 7 | 1.5 | 8.6 10.3 | 1148 | N | 7 | 0.00 | 0.08 | - | - | 0 0 |
| Suscol Lower (Ranch 35) | 10/20/26 | 73.9 5.8 | 1439 | 43.0 5.3 | 0719 | 42.5 3.0 | 92 6 | 28 6 | 2.4 | 13.9 3.6 | 1411 | ESE | 109 | 0.00 | 0.15 | 0.093 0.011 | 296 27 | 0 0 |
| Suscol Mtn (Ranch 93) | 10/20/26 | 74.6 5.4 | 1351 | 48.7 0.3 | 0312 | 41.8 4.0 | 90 7 | 31 9 | 3.7 | 18.3 6.4 | 1157 | SSE | 162 | 0.00 | 0.40 | - | - | 40 10 |
| Suscol Upper (Ranch 92) | 10/20/26 | 71.9 7.0 | 1350 | 48.6 1.1 | 0330 | 42.2 3.5 | 90 3 | 30 12 | 0.5 | 10.0 11.7 | 1332 | NE | 49 | 0.00 | 0.15 | - | - | 40 10 |
| Stanly (Ranch 45) | 10/20/26 | 79.4 10.9 | 1559 | 45.6 3.9 | 0611 | 44.1 1.8 | 89 4 | 25 11 | 2.0 | 8.8 9.1 | 1329 | SSW | 204 | 0.00 | 0.15 | 0.099 0.017 | 332 38 | 0 0 |
| Carneros Upper (Ranch 81) | 10/20/26 | 74.7 7.1 | 1554 | 48.0 2.2 | 0757 | 42.0 3.3 | - | - | 1.5 | 9.9 15.8 | 1221 | ENE | 69 | - | - | - | - | 0 0 |
| Carneros (Mitsuko) | 10/20/26 | 75.3 5.0 | 1603 | 39.3 3.1 | 0733 | - | - | - | - | - | - | - | - | - | - | - | 0 0 |
| Carneros Lower (Ranch 81) | 10/20/26 | 73.0 0.4 | 1422 | 42.8 4.4 | 0730 | 43.5 2.7 | 94 5 | 32 1 | - | 7.4 3.2 | 1223 | NNW | 329 | 0.00 | 0.01 | 0.009 0.003 | 0 0 | 0 0 |
| Carneros (Milton Rd) | 10/20/26 | 75.7 7.5 | 1545 | 42.2 2.8 | 0648 | 42.5 3.2 | 89 5 | 27 9 | - | - | - | - | 0.00 | 0.00 | - | - | 0 0 |
| Max | 79.4 | - | 48.7 | - | 46.1 | 100 | 34 | 3.7 | 18.3 | - | - | 0.00 | 0.45 | 0.099 | 411 | - | |
| Avg | - | - | - | - | 42.2 | - | - | 1.5 | - | - | - | - | - | - | - | - | |
| Min | 66.9 | - | 39.3 | - | 39.7 | 82 | 4 | 0.5 | 6.9 | - | - | 0.00 | 0.00 | 0.009 | 0 | - |