| 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 | 10/23/26 | 69.9 11.7 | 1543 | 44.4 0.9 | 0207 | - | - | - | - | - | - | - | 0.00 | 0.83 | - | - | 0 0 |
| Pope Valley (Weeks Lake) | 10/23/26 | 72.7 12.7 | 1516 | 42.7 4.3 | 0742 | 37.0 14.7 | 100 0 | 14 65 | 3.1 2.2 | 17.5 9.4 | 1235 | ENE | 60 | 0.00 | 0.07 | 0.116 0.103 | 346 300 | 0 0 |
| Dollarhide Base | 10/23/26 | 72.6 12.2 | 1556 | 49.2 0.8 | 0408 | 42.4 11.3 | 100 0 | 20 63 | 4.0 2.4 | 22.9 13.4 | 1601 | N | 5 | 0.01 | 0.42 | 0.126 0.111 | 341 292 | 0 0 |
| Dollarhide 1AS Remote | 10/23/26 | 72.1 11.2 | 1556 | 40.0 6.6 | 2233 | 43.4 8.1 | 92 0 | 19 66 | 2.4 1.6 | 22.9 15.9 | 1605 | NNE | 18 | - | - | - | - | 0 0 |
| Dollarhide 16A Remote | 10/23/26 | 73.5 13.4 | 1453 | 47.9 1.4 | 2241 | 35.3 18.1 | 100 1 | 21 66 | - | - | - | - | - | - | - | - | 0 0 |
| Dollarhide 18A Remote | 10/23/26 | 74.4 14.0 | 1542 | 35.9 9.0 | 0051 | 44.1 7.8 | 100 0 | 21 66 | - | - | - | - | - | - | - | - | 0 0 |
| Hardin Rd (Eakle) | 10/13/26 | 77.0 2.0 | 1534 | 32.3 1.2 | 0726 | - | - | - | - | - | - | - | - | - | - | - | 20 20 |
| Angwin | 10/23/26 | 64.8 9.1 | 1455 | 49.7 0.4 | 0146 | 36.4 13.3 | 96 4 | 20 51 | 6.9 3.9 | 23.3 13.2 | 2304 | NNW | 342 | 0.00 | 0.35 | 0.057 0.053 | 0 0 | 50 10 |
| Lower Angwin (Pioneer) | 10/23/26 | 68.4 11.2 | 1417 | 49.6 3.8 | 0109 | - | - | - | 3.4 2.0 | 14.8 3.7 | 2326 | NE | 40 | - | - | - | - | 20 10 |
| Las Posadas (Cal Fire) | 10/23/26 | 67.5 11.2 | 1550 | 48.0 0.7 | 0335 | 39.9 12.0 | 100 0 | 20 57 | 7.9 3.5 | 22.8 7.7 | 1224 | NNE | 14 | 0.01 | 0.55 | 0.134 0.118 | 357 310 | - |
| Deer Park | 10/23/26 | 75.0 16.4 | 1609 | 49.1 2.8 | 0724 | 39.0 13.5 | 98 2 | 15 55 | 4.6 2.5 | 23.4 11.8 | 2127 | NNE | 17 | 0.00 | 0.22 | 0.111 0.096 | 262 230 | 50 10 |
| Lower Chiles Valley (Brown) | 10/23/26 | 71.8 12.6 | 1505 | 46.2 0.2 | 0757 | 40.6 11.6 | 100 0 | 17 65 | 2.9 2.0 | 17.8 11.7 | 1243 | NE | 56 | 0.01 | 0.72 | 0.113 0.099 | 350 307 | 0 0 |
| Moss Creek Vineyard/Reservior | 10/23/26 | 70.7 9.6 | 1540 | 51.1 0.9 | 0739 | 42.7 10.1 | 98 2 | 19 61 | - | - | - | - | 0.00 | 0.54 | - | - | 0 0 |
| Max | 75.0 | - | 51.1 | - | 44.1 | 100 | 21 | 7.9 | 23.4 | - | - | 0.01 | 0.83 | 0.134 | 357 | - | |
| Avg | - | - | - | - | 40.1 | - | - | 4.4 | - | - | - | - | - | - | - | - | |
| Min | 64.8 | - | 35.9 | - | 35.3 | 92 | 14 | 2.4 | 14.8 | - | - | 0.00 | 0.07 | 0.057 | 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 | 10/23/26 | 77.2 16.0 | 1431 | 48.0 3.3 | 0721 | 40.6 13.0 | 98 2 | 16 64 | - | - | - | - | 0.00 | 0.15 | - | - | 0 0 |
| Diamond Mtn (Schramsberg) | 10/23/26 | 72.7 14.8 | 1540 | 48.5 1.7 | 0406 | 36.6 15.0 | 100 0 | 13 55 | - | - | - | - | 0.00 | 0.15 | - | - | 50 10 |
| Diamond Mtn (McEachran) | 10/23/26 | 75.6 16.2 | 1553 | 48.5 2.8 | 0446 | 37.2 15.3 | 98 3 | 12 62 | - | - | - | - | - | - | - | - | 50 10 |
| St. Helena-North | 10/23/26 | 80.1 19.9 | 1515 | 46.6 2.7 | 0631 | 36.5 15.3 | 94 2 | 10 68 | 1.6 | 12.9 5.3 | 1033 | SE | 145 | 0.00 | 0.15 | 0.099 0.084 | 336 292 | 20 20 |
| St. Helena (NVV Office) | 10/23/26 | 75.5 15.3 | 1629 | 48.2 3.6 | 0703 | - | - | - | 1.6 | 15.6 11.2 | 1313 | ENE | 59 | 0.01 | 0.32 | - | - | 0 0 |
| Tiara Fria (East St. Helena) | 10/23/26 | 73.8 14.0 | 1633 | 46.9 3.4 | 0047 | 42.3 11.8 | 97 1 | 14 76 | 2.0 | 16.8 11.8 | 1143 | ENE | 62 | 0.01 | 0.52 | - | - | 0 0 |
| Prisoner Winery | 10/23/26 | 77.5 17.9 | 1520 | 48.5 2.0 | 0446 | 42.1 12.1 | 98 0 | 16 73 | 2.3 | 14.8 9.9 | 1334 | NE | 51 | 0.01 | 0.41 | 0.042 0.040 | 0 0 | 0 0 |
| Rutherford Hill Estate | 10/23/26 | 78.1 19.0 | 1556 | 50.7 2.2 | 0731 | 42.4 12.2 | 100 0 | 16 58 | 1.5 | 15.1 5.9 | 1208 | NNE | 23 | 0.01 | 0.50 | 0.090 0.076 | 319 278 | 0 0 |
| Rutherford-North (Mee Ln) | 10/23/26 | 76.4 18.9 | 1636 | 43.0 3.2 | 0621 | 41.7 9.9 | 97 1 | 16 72 | 1.8 | 17.1 9.4 | 1253 | ENE | 76 | 0.00 | 0.50 | 0.087 0.074 | 296 255 | 0 10 |
| Rutherford (STS) | 10/23/26 | 76.8 17.2 | 1425 | 47.4 3.5 | 0556 | 44.4 7.5 | 90 1 | 23 60 | 2.6 | 16.4 11.7 | 1301 | N | 353 | 0.00 | 0.42 | 0.104 0.089 | 332 290 | 0 10 |
| Oakville-NE (Ranch 88) | 10/23/26 | 75.2 15.5 | 1552 | 47.3 3.3 | 2027 | 43.3 11.9 | 100 0 | 16 61 | 1.8 | 14.0 6.2 | 1211 | NNE | 32 | 0.00 | 0.44 | 0.096 0.083 | 312 270 | 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) | 10/15/26 | 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) | 10/23/26 | 73.8 13.7 | 1610 | 49.6 1.4 | 0059 | 42.0 12.1 | 96 1 | 15 67 | 3.2 | 16.5 8.5 | 1656 | NNW | 346 | 0.00 | 0.46 | 0.120 0.089 | 394 251 | 0 0 |
| Stags Leap Dist (Silverado Vineyards) | 10/23/26 | 74.2 13.9 | 1611 | 49.7 2.5 | 0015 | 42.6 11.7 | 96 1 | 14 64 | 1.8 | 13.2 4.5 | 1244 | N | 0 | 0.01 | 0.48 | 0.100 0.083 | 315 262 | 0 0 |
| Borreo (Soda Canyon) | 10/23/26 | 73.2 13.5 | 1621 | 50.1 0.8 | 0745 | 40.2 13.1 | 98 1 | 15 65 | 3.6 | 20.5 15.3 | 2223 | NE | 34 | 0.00 | 0.82 | 0.122 0.104 | 350 290 | 0 0 |
| Wappo Hill Floor | 10/23/26 | 76.0 14.9 | 1617 | 51.0 1.0 | 0740 | 42.0 13.2 | 100 0 | 15 70 | 5.1 | 17.9 11.9 | 2233 | WNW | 299 | 0.05 | 0.51 | 0.130 0.112 | 320 259 | 0 0 |
| Stags Leap Dist (Chimney Rock) | 10/23/26 | 74.9 13.5 | 1626 | 53.0 2.2 | 0356 | 45.9 10.3 | 100 2 | 22 66 | 3.2 | 17.6 10.8 | 1538 | NNW | 338 | 0.00 | 0.60 | 0.105 0.087 | 300 242 | 0 0 |
| Yountville-South (Ranch 87) | 10/23/26 | 76.7 14.9 | 1638 | 50.8 0.1 | 0745 | 44.1 12.5 | 100 0 | 15 73 | 1.6 | 11.2 7.1 | 1131 | N | 354 | 0.00 | 0.49 | 0.092 0.076 | 318 263 | 60 20 |
| Yountville-SE (Ranch 85) | 10/23/26 | 74.4 13.5 | 1627 | 52.4 2.2 | 0825 | 44.0 12.2 | 100 0 | 16 75 | 3.5 | 17.0 10.1 | 1730 | NNE | 24 | 0.00 | 0.56 | - | 0 0 | 0 0 |
| Oak Knoll-East (Ranch 53) | 10/23/26 | 75.2 13.3 | 1647 | 51.0 0.4 | 2335 | 43.3 11.9 | 96 0 | 15 70 | 2.5 | 15.5 11.0 | 1315 | WNW | 299 | 0.00 | 0.47 | 0.116 0.096 | 374 309 | 60 20 |
| Napa-NW (Ranch 54) | 10/23/26 | 74.1 11.8 | 1604 | 49.9 2.8 | 0732 | 44.6 11.5 | 100 0 | 17 68 | 1.5 | 14.0 9.4 | 1435 | NE | 43 | 0.00 | 0.50 | - | 0 0 | 0 0 |
| Napa-North (Ranch 29) | 10/23/26 | 75.1 14.2 | 1643 | 45.6 5.8 | 0019 | 47.5 9.4 | 100 0 | 17 83 | 1.2 | 15.8 11.2 | 1414 | NW | 325 | 0.00 | 0.47 | 0.065 0.054 | 216 178 | 0 0 |
| Max | 80.1 | - | 53.0 | - | 47.5 | 100 | 23 | 5.1 | 20.5 | - | - | 0.07 | 0.82 | 0.130 | 394 | - | |
| Avg | - | - | - | - | 42.2 | - | - | 2.4 | - | - | - | - | - | - | - | - | |
| Min | 72.7 | - | 43.0 | - | 36.5 | 90 | 10 | 1.2 | 11.2 | - | - | 0.00 | 0.15 | 0.042 | 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 | 10/23/26 | 66.6 8.4 | 1318 | 50.1 1.2 | 0206 | 42.0 10.3 | 100 0 | 26 44 | 2.2 | 16.5 8.3 | 0036 | NNW | 346 | 0.00 | 0.77 | 0.085 0.039 | 312 45 | 50 10 |
| Mount George (Napa East) | 10/23/26 | 74.1 12.0 | 1623 | 46.8 6.1 | 0027 | 45.6 9.5 | 98 0 | 19 65 | 1.9 | 15.4 7.8 | 1457 | NNE | 24 | 0.01 | 0.48 | 0.094 0.073 | 287 217 | 0 0 |
| Napa-East (Palmaz 300') | 10/23/26 | 78.0 16.0 | 1514 | 50.5 3.0 | 0010 | 44.3 11.1 | 100 0 | 16 63 | 1.7 | 12.0 6.0 | 1300 | ENE | 64 | 0.00 | 0.45 | 0.078 0.060 | 245 188 | 0 0 |
| Napa-East (Palmaz 1200') | 10/23/26 | 69.5 11.9 | 1554 | 48.4 4.6 | 2313 | 36.6 2.6 | 100 0 | 20 30 | 2.2 | 15.9 7.2 | 1406 | NE | 39 | - | - | 0.087 0.058 | 288 231 | 0 0 |
| Napa-East (Palmaz 1400') | 10/23/26 | 67.1 10.0 | 1437 | 48.2 3.7 | 0736 | 41.9 11.5 | 100 0 | 22 53 | 3.8 | 18.3 8.6 | 1942 | NNE | 22 | 0.01 | 0.74 | 0.103 0.083 | 322 245 | 0 0 |
| Wooden Valley | 10/23/26 | 71.1 10.7 | 1453 | 47.1 2.4 | 0727 | 41.8 11.4 | 97 2 | 17 59 | 2.5 | 17.5 10.3 | 2323 | NW | 316 | 0.00 | 0.47 | 0.108 0.083 | 368 283 | 0 0 |
| Napa-West Upper (Truchard) | 10/23/26 | 76.2 15.3 | 1557 | 49.6 4.2 | 0654 | -2.3 19.0 | 100 0 | 0 0 | 1.8 | 14.1 3.9 | 1432 | NE | 39 | 0.00 | 0.40 | 0.107 0.080 | 343 288 | 0 0 |
| Napa-West Lower (Truchard) | 10/23/26 | 78.9 18.9 | 1626 | 43.0 6.9 | 2314 | 45.6 7.3 | 97 1 | 16 70 | - | - | - | - | - | - | - | - | 0 0 |
| Napa-South (Toyon Farms) | 10/23/26 | 78.2 16.3 | 1609 | 50.6 3.6 | 0746 | 50.9 5.5 | 100 0 | 25 65 | 0.9 | 8.3 1.0 | 1338 | SW | 217 | 0.00 | 0.40 | 0.050 0.043 | 186 150 | 0 0 |
| Toyon Remote 1 | 10/23/26 | 75.7 12.9 | 1522 | 43.4 9.1 | 2301 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 2 | 10/23/26 | 76.5 13.4 | 1642 | 46.7 7.3 | 0100 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 3 | 10/23/26 | 76.0 13.2 | 1641 | 43.7 8.9 | 2357 | - | - | - | - | - | - | - | - | - | - | - | - |
| Dealy Lane (Ranch 80) | 10/23/26 | 75.0 12.5 | 1447 | 47.0 6.6 | 2211 | 48.2 6.5 | 97 2 | 18 62 | 1.9 | 13.4 4.4 | 1409 | NE | 55 | 0.00 | 0.41 | 0.096 0.077 | 341 277 | 0 0 |
| Carneros (Saintsbury) | 10/23/26 | 75.1 16.0 | 1540 | 43.0 5.4 | 0725 | 46.2 5.6 | 100 0 | 20 66 | 2.1 | 13.7 2.2 | 1511 | NE | 45 | 0.00 | 0.45 | - | - | 0 0 |
| Suscol Lower (Ranch 35) | 10/23/26 | 75.0 12.9 | 1633 | 48.4 5.3 | 2327 | 48.0 7.1 | 100 0 | 19 63 | 2.9 | 15.7 5.9 | 1532 | N | 1 | 0.00 | 0.51 | 0.094 0.072 | 316 252 | 0 0 |
| Suscol Mtn (Ranch 93) | 10/23/26 | 71.8 11.5 | 1542 | 51.0 1.8 | 0748 | 42.7 10.8 | 100 0 | 17 46 | 4.4 | 22.6 6.4 | 1747 | NNE | 33 | 0.00 | 0.65 | - | - | 10 10 |
| Suscol Upper (Ranch 92) | 10/23/26 | 72.3 12.3 | 1534 | 51.3 1.6 | 0757 | -6.5 8.0 | 100 0 | 0 0 | 1.2 | 17.0 4.4 | 1427 | WNW | 302 | 0.00 | 0.37 | - | - | 10 10 |
| Stanly (Ranch 45) | 10/23/26 | 78.9 20.4 | 1726 | 44.9 4.4 | 0033 | 47.9 4.4 | 97 1 | 19 68 | 2.5 | 17.4 6.8 | 1442 | NE | 50 | 0.00 | 0.28 | 0.103 0.079 | 351 272 | 0 0 |
| Carneros Upper (Ranch 81) | 10/23/26 | 74.6 13.0 | 1649 | 51.7 2.4 | 0806 | 6.1 6.1 | - | - | 3.4 | 18.5 2.9 | 1734 | W | 269 | - | - | - | - | 0 0 |
| Carneros (Mitsuko) | 10/23/26 | 75.4 12.2 | 1532 | 42.3 9.8 | 2224 | - | - | - | - | - | - | - | - | - | - | - | 0 0 |
| Carneros Lower (Ranch 81) | 10/23/26 | 73.8 12.7 | 1605 | 44.5 8.5 | 0059 | -3.0 24.0 | 98 2 | 0 0 | 1.2 | 13.4 7.7 | 1510 | ENE | 68 | 0.06 | 0.08 | 0.022 0.009 | 0 0 | 0 0 |
| Carneros (Milton Rd) | 10/23/26 | 77.8 14.6 | 1640 | 45.1 9.1 | 0044 | 49.2 5.6 | 95 2 | 23 58 | - | - | - | - | 0.00 | 0.10 | - | - | 0 0 |
| Max | 78.9 | - | 51.7 | - | 50.9 | 100 | 26 | 4.4 | 22.6 | - | - | 0.06 | 0.77 | 0.108 | 368 | - | |
| Avg | - | - | - | - | 34.7 | - | - | 2.3 | - | - | - | - | - | - | - | - | |
| Min | 66.6 | - | 42.3 | - | -6.5 | 95 | 0 | 0.9 | 8.3 | - | - | 0.00 | 0.08 | 0.022 | 0 | - |