| 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 | 10/4/26 | 94.5 3.5 | 1650 | 62.0 3.8 | 0726 | - | - | - | - | - | - | - | 0.00 | 0.82 | - | - | 40 10 |
| Pope Valley (Weeks Lake) | 10/4/26 | 97.6 3.0 | 1434 | 47.5 1.9 | 0705 | 47.2 2.7 | 88 5 | 14 4 | 0.5 0.4 | 4.6 2.4 | 1200 | ENE | 61 | 0.00 | 0.03 | 0.074 0.060 | 229 179 | 30 10 |
| Dollarhide Base | 10/4/26 | 98.6 5.4 | 1439 | 55.2 2.1 | 0639 | 50.3 0.6 | 85 5 | 19 4 | 1.1 0.7 | 4.4 7.6 | 1311 | SSW | 192 | 0.00 | 0.00 | 0.093 0.064 | 252 158 | 0 0 |
| Dollarhide 1AS Remote | 10/4/26 | 98.3 4.0 | 1415 | 47.8 2.8 | 0657 | 49.6 3.2 | 84 3 | 20 5 | 0.3 0.6 | 4.2 5.9 | 1329 | SW | 220 | - | - | - | - | 0 0 |
| Dollarhide 16A Remote | 10/4/26 | 97.4 6.4 | 1713 | 52.5 2.1 | 0708 | 50.6 0.9 | 86 6 | 20 5 | - | - | - | - | - | - | - | - | 20 10 |
| Dollarhide 18A Remote | 10/4/26 | 99.0 5.1 | 1709 | 46.0 2.7 | 0720 | 48.7 2.1 | 88 3 | 20 5 | - | - | - | - | - | - | - | - | 40 10 |
| Hardin Rd (Eakle) | 10/4/26 | 94.7 7.4 | 1428 | 50.1 2.5 | 0715 | - | - | - | - | - | - | - | - | - | - | - | 40 10 |
| Angwin | 10/4/26 | 92.3 3.5 | 1659 | 73.8 1.7 | 0646 | 37.6 0.7 | 26 9 | 13 2 | 2.9 0.3 | 10.0 1.0 | 1127 | N | 353 | 0.00 | 0.30 | 0.080 0.002 | 0 0 | 100 0 |
| Lower Angwin (Pioneer) | 10/4/26 | 94.1 2.7 | 1700 | 55.4 3.8 | 0502 | - | - | - | 1.2 0.4 | 11.0 3.1 | 1131 | NE | 51 | - | - | - | - | 60 10 |
| Las Posadas (Cal Fire) | 10/4/26 | 95.3 4.3 | 1702 | 67.9 3.3 | 0710 | 44.2 0.7 | 45 6 | 16 6 | 3.3 0.2 | 12.1 1.1 | 1226 | N | 7 | 0.00 | 0.23 | 0.130 0.050 | 231 165 | - |
| Deer Park | 10/4/26 | 97.2 6.7 | 1424 | 71.8 4.8 | 0713 | 43.2 1.4 | 37 12 | 12 2 | 1.8 0.3 | 10.8 0.4 | 1549 | NW | 312 | 0.00 | 0.04 | 0.098 0.043 | 175 131 | 80 10 |
| Lower Chiles Valley (Brown) | 10/4/26 | 97.8 4.0 | 1407 | 52.0 4.2 | 0717 | 44.4 1.5 | 74 12 | 13 4 | 1.5 0.1 | 9.5 0.8 | 1324 | ESE | 120 | 0.00 | 0.14 | 0.117 0.050 | 267 187 | 20 10 |
| Moss Creek Vineyard/Reservior | 10/4/26 | 95.1 6.8 | 1718 | 56.2 3.0 | 0558 | 46.8 0.4 | 75 8 | 15 4 | - | - | - | - | 0.00 | 0.04 | - | - | 0 10 |
| Max | 99.0 | - | 73.8 | - | 50.6 | 88 | 20 | 3.3 | 12.1 | - | - | 0.00 | 0.82 | 0.130 | 267 | - | |
| Avg | - | - | - | - | 46.3 | - | - | 1.6 | - | - | - | - | - | - | - | - | |
| Min | 92.3 | - | 46.0 | - | 37.6 | 26 | 12 | 0.3 | 4.2 | - | - | 0.00 | 0.00 | 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 | 10/4/26 | 97.6 10.3 | 1327 | 55.4 3.3 | 0709 | 50.8 0.8 | 74 14 | 19 6 | - | - | - | - | 0.00 | 0.09 | - | - | 40 10 |
| Diamond Mtn (Schramsberg) | 10/4/26 | 95.1 5.9 | 1350 | 74.8 3.6 | 0559 | 42.4 0.2 | 34 7 | 12 3 | - | - | - | - | 0.00 | 0.13 | - | - | 100 0 |
| Diamond Mtn (McEachran) | 10/4/26 | 98.0 4.8 | 1348 | 68.3 4.0 | 0726 | 45.9 1.1 | 46 7 | 12 3 | - | - | - | - | - | - | - | - | 60 10 |
| St. Helena-North | 10/4/26 | 99.3 6.2 | 1348 | 57.2 3.0 | 0721 | 46.1 2.5 | 66 11 | 10 3 | 1.3 | 5.0 4.2 | 1157 | ESE | 122 | 0.00 | 0.11 | 0.080 0.057 | 214 161 | 0 0 |
| St. Helena (NVV Office) | 10/4/26 | 99.6 4.4 | 1359 | 56.7 2.9 | 0634 | - | - | - | 0.4 | 5.7 1.3 | 1601 | N | 0 | 0.00 | 0.04 | - | - | 0 0 |
| Tiara Fria (East St. Helena) | 10/4/26 | 97.5 5.4 | 1406 | 54.3 3.4 | 0705 | 51.5 3.4 | 78 11 | 14 4 | 0.8 | 6.1 0.4 | 1651 | ESE | 110 | 0.00 | 0.02 | - | - | 0 0 |
| Prisoner Winery | 10/4/26 | 99.6 6.5 | 1400 | 55.5 3.9 | 0551 | 49.6 1.8 | 78 13 | 12 3 | 0.9 | 5.0 2.2 | 1405 | NW | 325 | 0.00 | 0.06 | 0.020 0.009 | 0 0 | 0 0 |
| Rutherford Hill Estate | 10/4/26 | 101.4 4.0 | 1356 | 68.6 8.0 | 0502 | 47.4 0.6 | 48 17 | 13 3 | 1.0 | 7.7 0.7 | 1412 | W | 268 | 0.00 | 0.08 | 0.083 0.049 | 215 163 | 0 0 |
| Rutherford-North (Mee Ln) | 10/4/26 | 98.9 5.8 | 1445 | 54.0 4.9 | 0522 | 50.6 2.5 | 82 8 | 14 4 | 1.3 | 6.6 2.9 | 1646 | SE | 142 | 0.00 | 0.06 | 0.090 0.053 | 223 165 | 20 10 |
| Rutherford (STS) | 10/4/26 | 101.1 5.7 | 1401 | 53.2 3.3 | 0434 | 53.3 0.9 | 86 6 | 17 4 | 1.4 | 6.3 2.6 | 0801 | WNW | 293 | 0.00 | 0.05 | 0.097 0.058 | 257 191 | 20 10 |
| Oakville-NE (Ranch 88) | 10/4/26 | 98.2 6.3 | 1351 | 51.2 3.6 | 0629 | 49.3 3.1 | 78 8 | 14 4 | 0.3 | 7.1 1.9 | 1416 | SSW | 198 | 0.00 | 0.04 | 0.076 0.055 | 221 172 | 40 10 |
| OV561-East | 10/4/26 | 97.5 9.9 | 1658 | 53.4 3.5 | 0654 | - | - | - | - | - | - | - | - | - | - | - | 0 0 |
| Oakville | 10/4/26 | 97.0 5.7 | 1332 | 52.2 3.7 | 0643 | 50.7 2.8 | 82 7 | 15 3 | 1.1 | 8.0 2.2 | 1358 | SE | 136 | 0.00 | 0.03 | 0.092 0.056 | 248 178 | 30 10 |
| OV518-West | 10/4/26 | 97.5 2.7 | 1739 | 53.1 3.3 | 0710 | - | - | - | - | - | - | - | - | - | - | - | 40 10 |
| To Kalon Remote (TKKE) | 10/4/26 | 100.0 4.9 | 1407 | 54.5 4.5 | 0622 | - | - | - | - | - | - | - | - | - | - | - | 40 10 |
| To Kalon | 10/4/26 | 99.0 5.3 | 1345 | 54.6 3.7 | 0607 | 49.2 1.1 | 75 15 | 14 3 | 1.4 | 7.4 2.6 | 1640 | SE | 146 | 0.00 | 0.00 | 0.098 0.051 | 234 191 | 30 10 |
| To Kalon Remote (TKN5) | 10/4/26 | 98.6 6.4 | 1334 | 54.0 3.4 | 0553 | - | - | - | - | - | - | - | - | - | - | - | 40 10 |
| Yountville (Ranch 67) | 10/4/26 | 94.8 6.3 | 1302 | 52.3 4.2 | 0545 | 50.3 2.9 | 82 9 | 18 6 | 1.2 | 8.8 1.8 | 1320 | S | 183 | 0.00 | 0.05 | 0.102 0.053 | 308 159 | 30 10 |
| Stags Leap Dist (Silverado Vineyards) | 10/4/26 | 95.2 5.9 | 1304 | 53.0 4.7 | 0547 | 48.6 2.1 | 79 12 | 17 5 | 0.8 | 8.9 1.6 | 1701 | SSE | 168 | 0.00 | 0.07 | 0.093 0.064 | 246 177 | 40 10 |
| Borreo (Soda Canyon) | 10/4/26 | 94.4 5.0 | 1708 | 60.0 6.0 | 0533 | 46.3 1.6 | 60 9 | 17 3 | 1.3 | 6.1 2.7 | 1232 | S | 175 | 0.00 | 0.31 | 0.097 0.046 | 265 157 | 0 0 |
| Wappo Hill Floor | 10/4/26 | 95.9 6.5 | 1659 | 52.7 3.9 | 0718 | 49.2 1.3 | 78 22 | 17 4 | 1.0 | 7.8 1.6 | 1311 | SSW | 196 | 0.00 | 0.10 | 0.096 0.054 | 257 177 | 40 10 |
| Stags Leap Dist (Chimney Rock) | 10/4/26 | 94.9 6.3 | 1703 | 51.7 3.6 | 0554 | 53.2 0.5 | 88 9 | 26 5 | 1.1 | 7.3 1.8 | 1254 | SW | 216 | 0.00 | 0.10 | 0.092 0.047 | 245 156 | 40 10 |
| Yountville-South (Ranch 87) | 10/4/26 | 94.9 8.0 | 1806 | 53.4 4.2 | 0524 | 52.5 2.6 | 84 16 | 22 8 | 0.6 | 6.9 0.7 | 1309 | SSE | 165 | 0.00 | 0.09 | 0.081 0.045 | 222 127 | 40 10 |
| Yountville-SE (Ranch 85) | 10/4/26 | 96.9 7.4 | 1703 | 53.1 3.4 | 0538 | 52.4 1.8 | 83 10 | 21 6 | 0.3 | 5.3 1.8 | 1307 | WSW | 237 | 0.00 | 0.08 | - | 0 0 | 40 10 |
| Oak Knoll-East (Ranch 53) | 10/4/26 | 94.3 6.9 | 1659 | 54.2 3.9 | 0700 | 51.2 2.1 | 82 8 | 20 6 | 0.6 | 6.0 2.4 | 1229 | S | 184 | 0.00 | 0.15 | 0.091 0.057 | 265 187 | 40 10 |
| Napa-NW (Ranch 54) | 10/4/26 | 95.0 7.7 | 1748 | 55.6 4.8 | 0733 | 49.7 2.3 | 72 15 | 21 7 | 0.2 | 4.1 1.1 | 1322 | SW | 218 | 0.00 | 0.18 | - | 0 0 | 40 10 |
| Napa-North (Ranch 29) | 10/4/26 | 99.8 1.1 | 1741 | 53.1 3.0 | 0709 | 52.6 1.1 | 86 14 | 21 6 | 0.4 | 6.0 2.6 | 1310 | SSW | 211 | 0.00 | 0.10 | 0.058 0.040 | 154 98 | 10 10 |
| Max | 101.4 | - | 74.8 | - | 53.3 | 88 | 26 | 1.4 | 8.9 | - | - | 0.00 | 0.31 | 0.102 | 308 | - | |
| Avg | - | - | - | - | 49.7 | - | - | 0.9 | - | - | - | - | - | - | - | - | |
| Min | 94.3 | - | 51.2 | - | 42.4 | 34 | 10 | 0.2 | 4.1 | - | - | 0.00 | 0.00 | 0.020 | 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 | 10/4/26 | 92.7 2.6 | 1345 | 78.8 4.1 | 0658 | 43.1 0.7 | 30 8 | 16 2 | 1.0 | 8.5 0.7 | 1116 | N | 1 | 0.00 | 0.45 | 0.119 0.043 | 369 41 | 100 0 |
| Mount George (Napa East) | 10/4/26 | 99.9 8.7 | 1336 | 55.5 3.2 | 0630 | 50.7 2.2 | 76 18 | 19 4 | 0.7 | 4.6 4.0 | 1341 | ESE | 116 | 0.00 | 0.16 | 0.098 0.054 | 295 147 | 40 10 |
| Napa-East (Palmaz 300') | 10/4/26 | 98.8 6.0 | 1317 | 58.6 5.1 | 0629 | 50.0 1.2 | 69 19 | 16 3 | 1.3 | 7.3 2.3 | 1959 | ENE | 67 | 0.00 | 0.16 | 0.092 0.052 | 256 133 | 30 10 |
| Napa-East (Palmaz 1200') | 9/14/26 | 80.8 4.1 | 1344 | 47.1 4.1 | 0557 | 46.5 1.6 | 92 8 | 29 22 | 2.4 | 12.0 0.9 | 1614 | SW | 226 | - | - | 0.153 0.004 | 498 20 | 20 20 |
| Napa-East (Palmaz 1400') | 10/4/26 | 96.3 0.7 | 1214 | 63.0 3.6 | 0435 | 46.4 0.8 | 58 1 | 17 2 | 2.3 | 8.9 1.2 | 1252 | SW | 217 | 0.00 | 0.33 | 0.129 0.033 | 310 121 | 10 10 |
| Wooden Valley | 10/4/26 | 98.2 1.4 | 1320 | 51.3 3.8 | 0710 | 45.7 1.2 | 78 10 | 13 0 | 0.9 | 8.3 3.1 | 1256 | SW | 224 | 0.00 | 0.04 | 0.112 0.036 | 313 118 | 40 10 |
| Napa-West Upper (Truchard) | 10/4/26 | 97.6 5.1 | 1654 | 63.7 5.1 | 0702 | 49.7 1.6 | 66 13 | 17 4 | 0.7 | 7.5 2.4 | 1248 | S | 176 | 0.00 | 0.10 | 0.093 0.060 | 253 184 | 50 10 |
| Napa-West Lower (Truchard) | 10/4/26 | 101.6 1.5 | 1655 | 53.9 5.6 | 0659 | 48.6 1.3 | 79 15 | 15 2 | - | - | - | - | - | - | - | - | 30 10 |
| Napa-South (Toyon Farms) | 10/4/26 | 95.5 5.4 | 1653 | 60.4 4.5 | 0724 | 55.8 1.2 | 82 11 | 24 6 | 1.4 | 6.9 2.0 | 1247 | S | 170 | 0.00 | 0.07 | 0.063 0.009 | 130 75 | 0 0 |
| Toyon Remote 1 | 10/4/26 | 96.6 4.7 | 1427 | 55.7 4.8 | 0727 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 2 | 10/4/26 | 95.4 5.2 | 1745 | 55.8 5.0 | 0707 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 3 | 10/4/26 | 96.3 6.5 | 1411 | 54.5 3.8 | 0720 | - | - | - | - | - | - | - | - | - | - | - | - |
| Dealy Lane (Ranch 80) | 10/4/26 | 98.0 3.5 | 1652 | 58.2 4.8 | 0521 | 49.4 1.1 | 76 11 | 17 4 | 1.4 | 7.3 1.7 | 1613 | WSW | 246 | 0.00 | 0.08 | 0.094 0.053 | 255 176 | 40 10 |
| Carneros (Saintsbury) | 10/4/26 | 98.1 1.7 | 1652 | 58.4 5.3 | 0716 | 51.2 2.4 | 80 9 | 17 3 | 1.7 | 8.2 1.0 | 1518 | WSW | 255 | 0.00 | 0.08 | - | - | 0 0 |
| Suscol Lower (Ranch 35) | 10/4/26 | 96.9 3.5 | 1743 | 56.6 4.2 | 0646 | 49.0 0.4 | 71 21 | 18 5 | 2.2 | 8.5 5.0 | 2036 | SSE | 154 | 0.00 | 0.15 | 0.110 0.059 | 271 148 | 0 0 |
| Suscol Mtn (Ranch 93) | 10/4/26 | 94.7 7.4 | 1318 | 72.8 6.4 | 0101 | 47.4 2.1 | 42 16 | 18 4 | 2.8 | 9.1 6.4 | 1710 | WNW | 301 | 0.00 | 0.40 | - | - | 40 20 |
| Suscol Upper (Ranch 92) | 10/4/26 | 95.4 4.6 | 1703 | 71.5 6.9 | 0054 | 46.6 0.5 | 46 18 | 17 4 | 0.1 | 7.7 3.7 | 2137 | SE | 134 | 0.00 | 0.15 | - | - | 50 20 |
| Stanly (Ranch 45) | 10/4/26 | 95.7 5.8 | 1407 | 57.0 6.6 | 0739 | 52.6 2.1 | 81 13 | 20 6 | 2.0 | 7.4 2.1 | 2023 | S | 170 | 0.00 | 0.15 | 0.109 0.063 | 281 186 | 30 10 |
| Carneros Upper (Ranch 81) | 10/4/26 | 94.7 5.9 | 1643 | 67.2 5.0 | 0430 | 48.4 0.9 | - | - | 3.6 | 15.7 3.0 | 1929 | W | 268 | - | - | - | - | 20 20 |
| Carneros (Mitsuko) | 10/4/26 | 97.4 3.0 | 1649 | 52.1 3.7 | 0633 | - | - | - | - | - | - | - | - | - | - | - | 0 0 |
| Carneros Lower (Ranch 81) | 10/4/26 | 97.6 2.9 | 1415 | 55.7 4.1 | 0720 | 51.8 2.1 | 82 18 | 20 19 | 0.6 | 7.3 1.8 | 1240 | S | 175 | 0.00 | 0.01 | 0.015 0.009 | 3 2 | 0 0 |
| Carneros (Milton Rd) | 10/4/26 | 93.5 6.3 | 1405 | 53.5 4.1 | 0715 | 52.0 2.0 | 83 9 | 23 8 | - | - | - | - | 0.00 | 0.00 | - | - | 0 0 |
| Max | 101.6 | - | 78.8 | - | 55.8 | 83 | 24 | 3.6 | 15.7 | - | - | 0.00 | 0.45 | 0.129 | 369 | - | |
| Avg | - | - | - | - | 49.3 | - | - | 1.5 | - | - | - | - | - | - | - | - | |
| Min | 92.7 | - | 51.3 | - | 43.1 | 30 | 13 | 0.1 | 4.6 | - | - | 0.00 | 0.00 | 0.015 | 3 | - |