| 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 | 10/19/26 | 64.1 13.8 | 1553 | 37.1 5.1 | 0346 | - | - | - | - | - | - | - | 0.00 | 0.82 | - | - | 30 10 |
| Pope Valley (Weeks Lake) | 10/19/26 | 68.8 17.2 | 1503 | 30.6 2.4 | 0629 | 38.4 2.2 | 100 8 | 34 18 | 1.7 0.0 | 17.1 3.1 | 1425 | WSW | 252 | 0.00 | 0.03 | 0.098 0.026 | 368 1 | 10 10 |
| Dollarhide Base | 10/19/26 | 72.0 13.9 | 1517 | 43.5 0.3 | 0738 | 45.6 3.3 | 97 16 | 39 14 | 3.6 0.7 | 14.0 1.2 | 1608 | SW | 217 | 0.00 | 0.00 | 0.103 0.028 | 344 6 | 20 10 |
| Dollarhide 1AS Remote | 10/19/26 | 71.0 15.3 | 1521 | 41.4 8.4 | 0033 | 43.8 4.8 | 92 8 | 39 14 | 3.4 0.7 | 13.8 1.3 | 1324 | SW | 215 | - | - | - | - | 0 0 |
| Dollarhide 16A Remote | 10/19/26 | 72.5 15.0 | 1527 | 39.1 0.5 | 0710 | 44.5 2.0 | 97 5 | 37 12 | - | - | - | - | - | - | - | - | 0 0 |
| Dollarhide 18A Remote | 10/19/26 | 69.9 14.6 | 1520 | 39.8 9.1 | 0049 | 43.6 4.8 | 92 3 | 39 14 | - | - | - | - | - | - | - | - | 10 10 |
| Hardin Rd (Eakle) | 10/13/26 | 77.0 2.0 | 1534 | 32.3 1.2 | 0726 | - | - | - | - | - | - | - | - | - | - | - | 20 20 |
| Angwin | 10/19/26 | 59.2 15.4 | 1532 | 43.5 5.9 | 0748 | 42.6 11.1 | 100 29 | 47 33 | 2.7 0.3 | 13.8 0.3 | 1427 | SSE | 154 | 0.00 | 0.30 | 0.017 0.036 | 0 0 | 90 10 |
| Lower Angwin (Pioneer) | 10/19/26 | 62.8 14.6 | 1559 | 36.0 2.1 | 0019 | - | - | - | 2.6 0.6 | 14.4 2.4 | 1450 | SW | 233 | - | - | - | - | 60 10 |
| Las Posadas (Cal Fire) | 10/19/26 | 64.9 14.3 | 1617 | 45.7 1.7 | 2348 | 44.2 4.0 | 96 3 | 43 16 | 7.5 0.6 | 19.6 0.1 | 0324 | SSW | 213 | 0.00 | 0.23 | 0.094 0.064 | 334 37 | - |
| Deer Park | 10/19/26 | 68.7 14.6 | 1503 | 48.5 0.4 | 2353 | 44.2 4.4 | 90 2 | 36 22 | 3.5 0.9 | 14.3 0.9 | 1144 | WNW | 285 | 0.00 | 0.04 | 0.077 0.028 | 236 39 | 90 10 |
| Lower Chiles Valley (Brown) | 10/19/26 | 67.8 13.6 | 1538 | 42.2 6.3 | 0018 | 43.4 4.6 | 94 0 | 41 15 | 3.3 0.8 | 17.4 3.4 | 1552 | W | 263 | 0.00 | 0.14 | 0.099 0.032 | 357 46 | 10 10 |
| Moss Creek Vineyard/Reservior | 10/19/26 | 71.8 15.5 | 1333 | 45.2 3.3 | 0012 | 42.6 2.8 | 92 10 | 33 14 | - | - | - | - | 0.00 | 0.04 | - | - | 0 10 |
| Max | 72.5 | - | 48.5 | - | 45.6 | 100 | 47 | 7.5 | 19.6 | - | - | 0.00 | 0.82 | 0.103 | 368 | - | |
| Avg | - | - | - | - | 43.3 | - | - | 3.5 | - | - | - | - | - | - | - | - | |
| Min | 59.2 | - | 30.6 | - | 38.4 | 90 | 33 | 1.7 | 13.8 | - | - | 0.00 | 0.00 | 0.017 | 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 | 10/19/26 | 69.1 13.2 | 1425 | 45.7 4.9 | 2350 | 46.5 3.8 | 89 2 | 43 15 | - | - | - | - | 0.00 | 0.09 | - | - | 20 10 |
| Diamond Mtn (Schramsberg) | 10/19/26 | 66.5 15.7 | 1407 | 48.8 1.5 | 0044 | 44.0 5.2 | 91 1 | 41 20 | - | - | - | - | 0.00 | 0.13 | - | - | 90 10 |
| Diamond Mtn (McEachran) | 10/19/26 | 67.1 14.6 | 1547 | 48.7 0.6 | 2359 | 44.6 4.4 | 90 0 | 41 18 | - | - | - | - | - | - | - | - | 90 10 |
| St. Helena-North | 10/19/26 | 71.7 15.0 | 1507 | 46.7 3.9 | 0006 | 42.7 5.1 | 80 4 | 29 13 | 1.7 | 10.3 0.4 | 1628 | S | 179 | 0.00 | 0.11 | 0.091 0.023 | 321 32 | 10 10 |
| St. Helena (NVV Office) | 10/19/26 | 71.9 12.3 | 1517 | 46.3 5.5 | 0151 | - | - | - | 1.2 | 10.3 1.9 | 1617 | W | 275 | 0.00 | 0.04 | - | - | 10 10 |
| Tiara Fria (East St. Helena) | 10/19/26 | 70.5 12.3 | 1522 | 44.2 5.4 | 0134 | 43.4 2.4 | 87 2 | 35 11 | 1.8 | 10.8 0.7 | 1546 | SSW | 208 | 0.00 | 0.02 | - | - | 20 10 |
| Prisoner Winery | 10/19/26 | 70.5 15.9 | 1436 | 42.9 2.9 | 0103 | 43.6 1.7 | 94 1 | 37 13 | 1.2 | 11.5 1.4 | 1451 | WNW | 302 | 0.00 | 0.06 | 0.018 0.007 | 0 0 | 10 10 |
| Rutherford Hill Estate | 10/19/26 | 72.3 11.2 | 1430 | 48.5 0.3 | 0047 | 44.5 2.0 | 90 2 | 35 8 | 1.4 | 11.4 1.3 | 1617 | W | 264 | 0.00 | 0.08 | 0.085 0.019 | 300 34 | 20 10 |
| Rutherford-North (Mee Ln) | 10/19/26 | 71.9 11.1 | 1446 | 41.7 3.6 | 0101 | 43.3 1.8 | 90 0 | 36 9 | 1.8 | 13.2 4.2 | 1613 | WSW | 245 | 0.00 | 0.06 | 0.089 0.031 | 301 41 | 40 10 |
| Rutherford (STS) | 10/19/26 | 73.0 11.4 | 1442 | 42.4 5.3 | 0102 | 46.0 1.9 | 93 1 | 40 8 | 1.6 | 12.7 1.2 | 1541 | W | 273 | 0.00 | 0.05 | 0.097 0.028 | 336 59 | 40 10 |
| Oakville-NE (Ranch 88) | 10/19/26 | 72.5 9.4 | 1513 | 40.2 5.6 | 0101 | 41.5 3.2 | 86 2 | 32 3 | 1.0 | 11.0 3.6 | 1058 | E | 101 | 0.00 | 0.04 | 0.086 0.031 | 300 57 | 10 10 |
| OV561-East | 10/19/26 | 71.7 11.9 | 1515 | 40.7 2.8 | 0101 | - | - | - | - | - | - | - | - | - | - | - | 10 10 |
| Oakville | 10/19/26 | 71.0 8.8 | 1431 | 39.3 2.7 | 0104 | 43.2 1.4 | 91 2 | 37 4 | 2.2 | 13.3 1.2 | 1555 | W | 280 | 0.00 | 0.03 | 0.095 0.028 | 320 52 | 20 10 |
| OV518-West | 10/19/26 | 68.6 10.2 | 1456 | 40.2 2.2 | 0101 | - | - | - | - | - | - | - | - | - | - | - | 20 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) | 10/19/26 | 70.1 7.5 | 1450 | 38.2 1.9 | 0202 | 42.3 0.9 | 92 1 | 36 2 | 1.6 | 13.4 1.5 | 1502 | SSE | 165 | 0.00 | 0.05 | 0.093 0.025 | 402 30 | 0 0 |
| Stags Leap Dist (Silverado Vineyards) | 10/19/26 | 70.3 8.2 | 1433 | 38.6 1.6 | 0154 | 42.9 1.0 | 93 2 | 35 2 | 1.1 | 13.3 2.1 | 1459 | S | 177 | 0.00 | 0.07 | 0.086 0.029 | 306 58 | 0 10 |
| Borreo (Soda Canyon) | 10/19/26 | 67.9 7.2 | 1432 | 41.9 0.8 | 0130 | 42.6 0.6 | 94 0 | 36 2 | 1.6 | 13.5 2.2 | 1443 | SE | 140 | 0.00 | 0.31 | 0.086 0.021 | 320 50 | 30 10 |
| Wappo Hill Floor | 10/19/26 | 70.3 8.5 | 1419 | 39.0 1.3 | 0136 | 43.5 1.5 | 100 7 | 35 2 | 2.1 | 14.4 0.6 | 1444 | S | 186 | 0.00 | 0.10 | 0.098 0.025 | 335 46 | 20 10 |
| Stags Leap Dist (Chimney Rock) | 10/19/26 | 69.9 7.7 | 1521 | 38.5 2.7 | 0119 | 45.8 1.1 | 97 5 | 42 2 | 1.9 | 14.0 0.0 | 1345 | S | 180 | 0.00 | 0.10 | 0.086 0.021 | 296 55 | 0 0 |
| Yountville-South (Ranch 87) | 10/19/26 | 70.5 9.3 | 1450 | 38.2 0.6 | 0129 | 44.1 1.1 | 100 1 | 36 3 | 1.5 | 14.3 5.1 | 1457 | S | 189 | 0.00 | 0.09 | 0.092 0.008 | 323 9 | 40 10 |
| Yountville-SE (Ranch 85) | 10/19/26 | 71.1 6.4 | 1440 | 40.3 1.7 | 0117 | 44.5 0.9 | 95 1 | 36 1 | 1.2 | 10.4 2.3 | 1549 | SSW | 197 | 0.00 | 0.08 | - | 0 0 | 0 0 |
| Oak Knoll-East (Ranch 53) | 10/19/26 | 69.6 8.4 | 1431 | 42.0 2.0 | 0101 | 44.2 0.6 | 93 1 | 34 2 | 1.5 | 18.3 5.7 | 1227 | S | 173 | 0.00 | 0.15 | 0.093 0.020 | 323 49 | 70 10 |
| Napa-NW (Ranch 54) | 10/19/26 | 70.2 9.4 | 1550 | 43.4 1.9 | 0101 | 43.6 1.6 | 92 1 | 33 2 | 1.3 | 12.9 4.2 | 1607 | SW | 215 | 0.00 | 0.18 | - | 0 0 | 20 10 |
| Napa-North (Ranch 29) | 10/19/26 | 70.0 6.9 | 1534 | 47.0 7.6 | 0101 | 45.0 0.2 | 94 5 | 33 3 | 1.9 | 12.9 0.7 | 1551 | WNW | 285 | 0.00 | 0.10 | 0.073 0.001 | 222 9 | 0 0 |
| Max | 73.0 | - | 48.8 | - | 46.5 | 100 | 43 | 2.2 | 18.3 | - | - | 0.00 | 0.31 | 0.098 | 402 | - | |
| Avg | - | - | - | - | 43.9 | - | - | 1.6 | - | - | - | - | - | - | - | - | |
| Min | 66.5 | - | 38.2 | - | 41.5 | 80 | 29 | 1.0 | 10.3 | - | - | 0.00 | 0.02 | 0.018 | 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 | 10/19/26 | 65.5 13.7 | 1354 | 45.6 1.6 | 0219 | 42.4 5.1 | 95 9 | 43 28 | 1.1 | 10.3 0.8 | 1255 | SE | 143 | 0.00 | 0.45 | 0.082 0.027 | 365 25 | 90 10 |
| Mount George (Napa East) | 10/19/26 | 68.5 7.2 | 1406 | 48.5 7.1 | 0018 | 45.6 0.3 | 90 0 | 37 5 | 1.9 | 12.8 2.9 | 1503 | W | 261 | 0.00 | 0.16 | 0.088 0.017 | 313 66 | 0 0 |
| Napa-East (Palmaz 300') | 10/19/26 | 72.4 7.2 | 1411 | 48.9 5.3 | 2330 | 45.2 1.1 | 88 2 | 33 2 | 2.4 | 11.4 1.0 | 1550 | W | 264 | 0.00 | 0.16 | 0.086 0.015 | 278 54 | 20 10 |
| Napa-East (Palmaz 1200') | 10/19/26 | 64.3 8.3 | 1531 | 44.0 3.0 | 0047 | 42.0 1.2 | 100 0 | 3 39 | 2.2 | 15.0 3.2 | 1334 | NNW | 333 | - | - | 0.079 0.022 | 306 59 | 0 0 |
| Napa-East (Palmaz 1400') | 10/19/26 | 63.9 9.4 | 1402 | 45.2 1.9 | 2351 | 45.0 0.6 | 100 0 | 43 9 | 3.4 | 16.8 3.7 | 1553 | W | 263 | 0.00 | 0.33 | 0.080 0.028 | 310 65 | 0 10 |
| Wooden Valley | 10/19/26 | 66.8 10.2 | 1431 | 44.2 5.1 | 0013 | 43.1 1.8 | 89 2 | 36 9 | 3.6 | 14.5 2.9 | 1515 | WSW | 248 | 0.00 | 0.04 | 0.096 0.026 | 349 42 | 20 10 |
| Napa-West Upper (Truchard) | 10/19/26 | 71.1 7.0 | 1430 | 47.4 4.1 | 0053 | 45.6 2.9 | 94 1 | 30 3 | 4.3 | 18.0 1.7 | 1804 | WSW | 258 | 0.00 | 0.10 | 0.109 0.014 | 332 47 | 0 0 |
| Napa-West Lower (Truchard) | 10/19/26 | 71.6 6.4 | 1418 | 41.8 2.1 | 0056 | 44.5 0.9 | 87 7 | 29 4 | - | - | - | - | - | - | - | - | 0 0 |
| Napa-South (Toyon Farms) | 10/19/26 | 70.0 7.5 | 1436 | 49.2 2.0 | 0057 | 47.7 2.6 | 91 2 | 40 0 | 4.5 | 16.2 1.0 | 1656 | W | 267 | 0.00 | 0.07 | 0.069 0.003 | 205 5 | 0 0 |
| Toyon Remote 1 | 10/19/26 | 73.7 6.3 | 1433 | 42.9 2.8 | 0058 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 2 | 10/19/26 | 69.8 6.7 | 1431 | 44.3 4.0 | 0058 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 3 | 10/19/26 | 72.5 6.5 | 1527 | 43.6 3.6 | 0059 | - | - | - | - | - | - | - | - | - | - | - | - |
| Dealy Lane (Ranch 80) | 10/19/26 | 69.4 8.2 | 1457 | 45.6 0.5 | 0046 | 45.0 1.4 | 87 0 | 33 2 | 2.8 | 14.6 1.9 | 1753 | WSW | 242 | 0.00 | 0.08 | 0.096 0.017 | 333 53 | 0 0 |
| Carneros (Saintsbury) | 10/19/26 | 69.6 7.0 | 1458 | 47.0 2.6 | 0036 | 45.5 1.1 | 88 0 | 35 0 | 5.7 | 18.9 2.6 | 1730 | WSW | 248 | 0.00 | 0.08 | - | - | 0 0 |
| Suscol Lower (Ranch 35) | 10/19/26 | 68.2 5.8 | 1434 | 48.3 4.4 | 0058 | 45.5 2.0 | 87 3 | 34 8 | 5.0 | 17.5 3.4 | 1616 | WSW | 242 | 0.00 | 0.15 | 0.104 0.004 | 323 43 | 0 0 |
| Suscol Mtn (Ranch 93) | 10/19/26 | 69.2 6.4 | 1408 | 49.0 1.4 | 0048 | 45.8 4.7 | 96 0 | 40 1 | 10.1 | 24.7 5.0 | 1611 | NW | 322 | 0.00 | 0.40 | - | - | 50 10 |
| Suscol Upper (Ranch 92) | 10/19/26 | 64.9 6.9 | 1533 | 49.6 1.8 | 0027 | 45.7 4.3 | 93 3 | 42 3 | 6.7 | 21.7 5.9 | 1734 | SSW | 207 | 0.00 | 0.15 | - | - | 50 10 |
| Stanly (Ranch 45) | 10/19/26 | 68.6 5.5 | 1540 | 49.5 6.2 | 0057 | 45.9 1.7 | 85 5 | 35 3 | 4.8 | 17.9 2.9 | 1848 | WSW | 257 | 0.00 | 0.15 | 0.116 0.006 | 370 38 | 0 0 |
| Carneros Upper (Ranch 81) | 10/19/26 | 67.6 7.8 | 1439 | 50.1 3.5 | 0004 | 45.3 2.8 | - | - | 10.7 | 25.6 4.2 | 1744 | WSW | 250 | - | - | - | - | 0 0 |
| Carneros (Mitsuko) | 10/19/26 | 70.3 6.9 | 1402 | 42.4 3.5 | 0101 | - | - | - | - | - | - | - | - | - | - | - | 0 0 |
| Carneros Lower (Ranch 81) | 10/19/26 | 73.4 9.4 | 1448 | 47.2 3.6 | 0018 | 46.3 1.0 | 89 11 | 34 33 | 0.9 | 10.6 2.7 | 1455 | NNW | 330 | 0.00 | 0.01 | 0.012 0.000 | 0 0 | 0 0 |
| Carneros (Milton Rd) | 10/19/26 | 68.3 7.5 | 1534 | 45.0 4.6 | 0101 | 45.6 0.9 | 84 4 | 35 0 | - | - | - | - | 0.00 | 0.00 | - | - | 0 0 |
| Max | 73.7 | - | 50.1 | - | 47.7 | 100 | 43 | 10.7 | 25.6 | - | - | 0.00 | 0.45 | 0.116 | 370 | - | |
| Avg | - | - | - | - | 45.1 | - | - | 4.4 | - | - | - | - | - | - | - | - | |
| Min | 63.9 | - | 41.8 | - | 42.0 | 84 | 3 | 0.9 | 10.3 | - | - | 0.00 | 0.00 | 0.012 | 0 | - |