| 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 | 9/10/26 | 96.5 2.1 | 1544 | 62.8 3.4 | 2322 | - | - | - | - | - | - | - | 0.00 | 0.82 | - | - | 50 10 |
| Pope Valley (Weeks Lake) | 9/16/26 | 77.5 10.4 | 1447 | 40.4 0.6 | 0707 | 47.9 1.7 | 100 0 | 35 17 | 2.3 0.5 | 15.3 1.5 | 1625 | S | 182 | 0.00 | 0.03 | 0.140 0.022 | 465 3 | 0 0 |
| Dollarhide Base | 9/16/26 | 80.4 11.3 | 1347 | 50.8 1.6 | 0720 | 52.5 1.4 | 96 4 | 41 18 | 5.0 1.9 | 18.0 1.3 | 1555 | SSW | 209 | 0.00 | 0.00 | 0.157 0.027 | 495 0 | 20 20 |
| Dollarhide 1AS Remote | 9/16/26 | 78.7 12.6 | 1327 | 47.5 6.4 | 0718 | 51.9 3.9 | 92 5 | 42 20 | 4.9 2.0 | 21.8 7.2 | 1625 | S | 170 | - | - | - | - | 20 20 |
| Dollarhide 16A Remote | 9/16/26 | 77.9 11.7 | 1348 | 47.2 0.7 | 0703 | 52.4 1.7 | 97 4 | 44 18 | - | - | - | - | - | - | - | - | 20 20 |
| Dollarhide 18A Remote | 9/16/26 | 78.4 10.5 | 1524 | 48.7 9.3 | 0716 | 51.5 3.9 | 95 4 | 44 21 | - | - | - | - | - | - | - | - | 0 0 |
| Hardin Rd (Eakle) | 9/16/26 | 79.4 10.2 | 1457 | 49.8 5.5 | 0729 | - | - | - | - | - | - | - | - | - | - | - | 0 0 |
| Angwin | 9/16/26 | 70.0 10.0 | 1439 | 47.7 2.7 | 0547 | 48.0 3.6 | 100 0 | 46 27 | 3.4 0.5 | 15.6 0.7 | 1833 | SE | 133 | 0.00 | 0.30 | 0.027 0.039 | 0 0 | 90 10 |
| Lower Angwin (Pioneer) | 9/16/26 | 71.0 9.9 | 1349 | 49.1 6.2 | 0616 | - | - | - | 3.6 1.3 | 13.3 2.4 | 1627 | W | 260 | - | - | - | - | 90 10 |
| Las Posadas (Cal Fire) | 9/16/26 | 72.6 10.9 | 1338 | 50.9 0.9 | 0655 | 50.4 0.2 | 97 3 | 48 17 | 9.7 2.4 | 27.5 8.6 | 1637 | SSW | 211 | 0.00 | 0.23 | 0.140 0.045 | 442 32 | - |
| Deer Park | 9/16/26 | 76.6 7.7 | 1359 | 54.2 1.3 | 0402 | 50.6 1.8 | 90 4 | 41 8 | 3.6 0.3 | 17.2 3.2 | 1448 | SE | 145 | 0.00 | 0.04 | 0.115 0.022 | 323 31 | 80 10 |
| Lower Chiles Valley (Brown) | 9/16/26 | 72.9 14.0 | 1531 | 50.6 9.0 | 0112 | 50.4 2.3 | 93 7 | 45 24 | 3.7 0.9 | 17.0 2.6 | 1323 | SE | 134 | 0.00 | 0.14 | 0.144 0.027 | 508 19 | 20 10 |
| Moss Creek Vineyard/Reservior | 9/16/26 | 75.4 13.9 | 1323 | 50.8 3.6 | 0705 | 50.3 2.9 | 92 1 | 43 23 | - | - | - | - | 0.00 | 0.04 | - | - | 0 0 |
| Max | 80.4 | - | 54.2 | - | 52.5 | 100 | 48 | 9.7 | 27.5 | - | - | 0.00 | 0.30 | 0.157 | 508 | - | |
| Avg | - | - | - | - | 50.6 | - | - | 4.5 | - | - | - | - | - | - | - | - | |
| Min | 70.0 | - | 40.4 | - | 47.9 | 90 | 35 | 2.3 | 13.3 | - | - | 0.00 | 0.00 | 0.027 | 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 | 9/16/26 | 78.9 12.5 | 1415 | 55.8 10.2 | 0359 | 53.0 1.6 | 89 4 | 42 14 | - | - | - | - | 0.00 | 0.09 | - | - | 10 10 |
| Diamond Mtn (Schramsberg) | 9/16/26 | 75.0 8.7 | 1422 | 52.1 1.1 | 0646 | 50.0 1.9 | 90 10 | 40 10 | - | - | - | - | 0.00 | 0.13 | - | - | 90 10 |
| Diamond Mtn (McEachran) | 9/16/26 | 78.1 7.1 | 1421 | 54.5 2.7 | 0045 | 51.0 0.2 | 89 3 | 37 2 | - | - | - | - | - | - | - | - | 90 10 |
| St. Helena-North | 9/16/26 | 79.1 7.0 | 1421 | 54.0 6.2 | 2259 | 49.2 0.0 | 80 5 | 35 6 | 1.9 | 18.0 0.7 | 1608 | SSW | 198 | 0.00 | 0.11 | 0.135 0.032 | 419 27 | 40 20 |
| St. Helena (NVV Office) | 9/16/26 | 78.6 5.8 | 1522 | 53.6 4.7 | 2340 | - | - | - | 1.5 | 13.8 1.9 | 1404 | SE | 139 | 0.00 | 0.04 | - | - | 50 20 |
| Tiara Fria (East St. Helena) | 9/16/26 | 77.0 5.7 | 1545 | 51.6 4.9 | 2347 | 50.5 0.0 | 85 4 | 39 4 | 2.1 | 16.2 2.2 | 1427 | ESE | 119 | 0.00 | 0.02 | - | - | 70 20 |
| Prisoner Winery | 9/16/26 | 79.0 7.4 | 1334 | 49.9 3.0 | 0059 | 50.9 0.3 | 94 1 | 39 7 | 1.8 | 15.3 4.7 | 1507 | S | 185 | 0.00 | 0.06 | 0.029 0.001 | 0 0 | 20 20 |
| Rutherford Hill Estate | 9/16/26 | 77.0 7.4 | 1630 | 54.0 1.4 | 0029 | 51.2 1.8 | 89 5 | 40 6 | 2.0 | 19.1 4.2 | 1449 | E | 101 | 0.00 | 0.08 | 0.127 0.012 | 420 14 | 30 10 |
| Rutherford-North (Mee Ln) | 9/16/26 | 78.7 4.1 | 1530 | 48.2 3.5 | 0056 | 50.7 0.4 | 90 0 | 39 3 | 3.4 | 22.6 3.3 | 1440 | ESE | 112 | 0.00 | 0.06 | 0.140 0.018 | 425 19 | 100 20 |
| Rutherford (STS) | 9/16/26 | 79.0 5.9 | 1531 | 49.1 4.7 | 0056 | 53.0 0.3 | 92 0 | 44 4 | 2.4 | 19.2 1.3 | 1407 | E | 99 | 0.00 | 0.05 | 0.149 0.017 | 485 27 | 90 20 |
| Oakville-NE (Ranch 88) | 9/16/26 | 76.4 6.5 | 1509 | 50.5 6.9 | 0053 | 49.6 1.5 | 84 1 | 39 5 | 3.0 | 21.0 3.6 | 1423 | S | 169 | 0.00 | 0.04 | 0.138 0.015 | 412 24 | 100 0 |
| OV561-East | 9/16/26 | 78.7 4.4 | 1615 | 53.8 7.4 | 0056 | - | - | - | - | - | - | - | - | - | - | - | 40 20 |
| Oakville | 9/16/26 | 74.9 5.3 | 1511 | 52.2 7.3 | 0059 | 50.8 0.8 | 84 4 | 43 4 | 4.1 | 21.3 2.6 | 1335 | SE | 144 | 0.00 | 0.03 | 0.145 0.017 | 466 14 | 90 10 |
| OV518-West | 9/16/26 | 74.4 5.7 | 1501 | 52.9 6.8 | 0053 | - | - | - | - | - | - | - | - | - | - | - | 100 0 |
| To Kalon Remote (TKKE) | 9/16/26 | 77.7 5.4 | 1526 | 53.6 8.0 | 0055 | - | - | - | - | - | - | - | - | - | - | - | 100 0 |
| To Kalon | 9/16/26 | 76.6 4.6 | 1522 | 54.2 7.7 | 0059 | 51.8 0.3 | 90 2 | 41 2 | 3.4 | 18.4 1.0 | 1358 | SE | 144 | 0.00 | 0.00 | 0.144 0.019 | 465 19 | 90 10 |
| To Kalon Remote (TKN5) | 9/16/26 | 77.9 6.8 | 1508 | 55.0 8.8 | 0101 | - | - | - | - | - | - | - | - | - | - | - | 100 0 |
| Yountville (Ranch 67) | 9/16/26 | 72.8 5.9 | 1450 | 51.7 7.1 | 2222 | 50.0 0.4 | 86 4 | 44 5 | 3.8 | 20.2 1.5 | 1313 | SSE | 148 | 0.00 | 0.05 | 0.151 0.013 | 534 17 | 90 10 |
| Stags Leap Dist (Silverado Vineyards) | 9/16/26 | 73.2 5.9 | 1446 | 52.3 7.4 | 2236 | 50.3 0.2 | 88 5 | 44 6 | 3.1 | 19.7 1.5 | 1451 | S | 178 | 0.00 | 0.07 | 0.147 0.010 | 479 4 | 100 10 |
| Borreo (Soda Canyon) | 9/16/26 | 70.3 7.0 | 1508 | 51.5 3.6 | 2153 | 50.3 0.4 | 92 4 | 49 11 | 2.4 | 17.8 7.2 | 1327 | SE | 128 | 0.00 | 0.31 | 0.126 0.016 | 442 31 | 100 0 |
| Wappo Hill Floor | 9/16/26 | 73.9 6.3 | 1401 | 51.8 7.5 | 2228 | 51.4 0.9 | 98 2 | 46 6 | 3.4 | 17.5 3.0 | 1417 | SE | 133 | 0.00 | 0.10 | 0.145 0.015 | 475 22 | 90 10 |
| Stags Leap Dist (Chimney Rock) | 9/16/26 | 73.9 4.6 | 1455 | 53.2 9.5 | 0101 | 53.4 1.1 | 92 6 | 51 3 | 3.2 | 16.7 3.3 | 1356 | ESE | 121 | 0.00 | 0.10 | 0.128 0.012 | 434 17 | 90 10 |
| Yountville-South (Ranch 87) | 9/16/26 | 74.3 7.3 | 1420 | 50.4 4.9 | 0119 | 51.7 0.8 | 100 7 | 45 8 | 2.6 | 16.9 3.6 | 1313 | S | 181 | 0.00 | 0.09 | 0.133 0.004 | 432 11 | 90 20 |
| Yountville-SE (Ranch 85) | 9/16/26 | 74.2 3.9 | 1446 | 52.8 7.3 | 0147 | 52.2 0.7 | 92 1 | 46 3 | 2.6 | 17.0 2.2 | 1404 | S | 174 | 0.00 | 0.08 | - | 0 0 | 90 10 |
| Oak Knoll-East (Ranch 53) | 9/16/26 | 74.5 4.1 | 1449 | 51.1 4.6 | 0154 | 51.1 0.7 | 90 2 | 44 4 | 2.8 | 16.3 4.2 | 1317 | S | 183 | 0.00 | 0.15 | 0.144 0.015 | 484 43 | 100 0 |
| Napa-NW (Ranch 54) | 9/16/26 | 75.0 5.7 | 1432 | 49.8 1.7 | 0136 | 51.2 0.7 | 91 4 | 43 5 | 1.6 | 14.2 6.0 | 1554 | WSW | 244 | 0.00 | 0.18 | - | 0 0 | 90 10 |
| Napa-North (Ranch 29) | 9/16/26 | 73.0 4.5 | 1528 | 54.5 7.9 | 0101 | 52.3 0.2 | 90 10 | 48 3 | 3.3 | 16.4 3.0 | 1355 | SSW | 197 | 0.00 | 0.10 | 0.101 0.000 | 309 1 | 80 10 |
| Max | 79.1 | - | 55.8 | - | 53.4 | 100 | 51 | 4.1 | 22.6 | - | - | 0.00 | 0.31 | 0.151 | 534 | - | |
| Avg | - | - | - | - | 51.2 | - | - | 2.7 | - | - | - | - | - | - | - | - | |
| Min | 70.3 | - | 48.2 | - | 49.2 | 80 | 35 | 1.5 | 13.8 | - | - | 0.00 | 0.00 | 0.029 | 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 | 9/16/26 | 67.2 11.7 | 1324 | 49.1 2.4 | 0646 | 49.8 0.3 | 100 6 | 54 18 | 2.3 | 15.8 4.5 | 1316 | S | 184 | 0.00 | 0.45 | 0.276 0.055 | 1,369 453 | 90 10 |
| Mount George (Napa East) | 9/16/26 | 72.0 5.1 | 1531 | 56.5 9.2 | 0103 | 54.3 2.5 | 93 1 | 52 8 | 2.4 | 19.4 7.4 | 1445 | ESE | 109 | 0.00 | 0.16 | 0.129 0.021 | 458 59 | 90 10 |
| Napa-East (Palmaz 300') | 9/16/26 | 74.2 7.0 | 1454 | 54.7 4.4 | 0123 | 52.0 0.8 | 89 11 | 45 9 | 2.4 | 15.9 4.8 | 1322 | SSW | 208 | 0.00 | 0.16 | 0.125 0.021 | 417 53 | 90 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') | 9/16/26 | 68.0 9.0 | 1359 | 50.9 2.1 | 0142 | 51.8 0.6 | 100 0 | 59 17 | 4.4 | 16.5 3.9 | 1336 | W | 267 | 0.00 | 0.33 | 0.109 0.038 | 416 90 | 80 10 |
| Wooden Valley | 9/16/26 | 70.0 11.6 | 1447 | 53.7 4.3 | 0158 | 50.3 1.0 | 86 5 | 51 24 | 5.5 | 23.8 7.7 | 1650 | SW | 235 | 0.00 | 0.04 | 0.138 0.034 | 481 34 | 90 10 |
| Napa-West Upper (Truchard) | 9/16/26 | 75.8 3.1 | 1445 | 52.4 0.6 | 0114 | 52.4 28.6 | 100 0 | 43 42 | 5.6 | 20.8 6.7 | 1426 | SE | 140 | 0.00 | 0.10 | 0.209 0.015 | 863 41 | 90 10 |
| Napa-West Lower (Truchard) | 9/16/26 | 75.3 3.6 | 1444 | 50.6 6.7 | 0113 | 51.9 1.7 | 92 4 | 43 3 | - | - | - | - | - | - | - | - | 90 10 |
| Napa-South (Toyon Farms) | 9/16/26 | 73.3 2.4 | 1504 | 53.2 1.3 | 0100 | 54.3 1.0 | 96 4 | 53 2 | 5.4 | 20.4 6.7 | 1355 | SSE | 167 | 0.00 | 0.07 | 0.080 0.002 | 247 6 | 80 10 |
| Toyon Remote 1 | 9/16/26 | 75.0 1.3 | 1522 | 50.5 2.0 | 0102 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 2 | 9/16/26 | 73.3 1.7 | 1505 | 51.0 3.0 | 0100 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 3 | 9/16/26 | 75.4 0.5 | 1505 | 50.1 3.5 | 0100 | - | - | - | - | - | - | - | - | - | - | - | - |
| Dealy Lane (Ranch 80) | 9/16/26 | 74.1 1.2 | 1438 | 54.8 4.3 | 0101 | 51.8 0.6 | 88 7 | 44 2 | 3.2 | 18.8 5.0 | 1354 | SSE | 155 | 0.00 | 0.08 | 0.128 0.020 | 443 61 | 90 10 |
| Carneros (Saintsbury) | 9/16/26 | 72.8 1.0 | 1507 | 51.0 3.9 | 0105 | 51.8 0.1 | 94 6 | 46 2 | 6.2 | 22.5 7.0 | 1432 | S | 183 | 0.00 | 0.08 | - | - | 80 10 |
| Suscol Lower (Ranch 35) | 9/16/26 | 71.3 3.7 | 1550 | 53.7 3.2 | 0106 | 51.9 1.0 | 90 10 | 49 2 | 5.9 | 21.9 5.9 | 1349 | SSW | 192 | 0.00 | 0.15 | 0.134 0.008 | 414 51 | 80 10 |
| Suscol Mtn (Ranch 93) | 9/16/26 | 71.8 8.5 | 1347 | 52.7 0.3 | 0131 | 52.2 2.1 | 95 2 | 55 11 | 10.0 | 27.1 12.7 | 1900 | NW | 317 | 0.00 | 0.33 | - | - | 70 10 |
| Suscol Upper (Ranch 92) | 9/16/26 | 68.4 5.5 | 1604 | 53.4 0.2 | 0102 | 52.0 24.8 | 100 0 | 55 55 | 6.8 | 22.7 9.9 | 1847 | SW | 226 | 0.00 | 0.15 | - | - | 30 10 |
| Stanly (Ranch 45) | 9/16/26 | 71.7 3.1 | 1536 | 50.5 0.1 | 0102 | 52.1 0.4 | 92 1 | 49 0 | 5.8 | 23.7 7.8 | 1409 | SSW | 195 | 0.00 | 0.15 | 0.135 0.013 | 435 49 | 90 10 |
| Carneros Upper (Ranch 81) | 9/16/26 | 72.1 4.6 | 1354 | 54.8 0.4 | 0150 | 51.7 1.2 | - | - | 9.4 | 30.7 12.8 | 1924 | SW | 234 | - | - | - | - | 80 10 |
| Carneros (Mitsuko) | 9/16/26 | 74.0 0.7 | 1421 | 49.7 5.8 | 0101 | - | - | - | - | - | - | - | - | - | - | - | 80 10 |
| Carneros Lower (Ranch 81) | 9/16/26 | 79.6 1.9 | 1420 | 54.4 3.9 | 0648 | 52.8 4.9 | 91 9 | 39 39 | 1.3 | 19.4 6.4 | 1312 | S | 185 | 0.00 | 0.01 | 0.017 0.008 | 3 3 | 80 10 |
| Carneros (Milton Rd) | 9/16/26 | 73.1 0.8 | 1509 | 48.1 0.2 | 0107 | 52.1 0.2 | 92 2 | 47 5 | - | - | - | - | 0.00 | 0.00 | - | - | 80 10 |
| Max | 79.6 | - | 56.5 | - | 54.3 | 100 | 59 | 10.0 | 30.7 | - | - | 0.00 | 0.45 | 0.276 | 1,369 | - | |
| Avg | - | - | - | - | 52.1 | - | - | 5.1 | - | - | - | - | - | - | - | - | |
| Min | 67.2 | - | 48.1 | - | 49.8 | 86 | 39 | 1.3 | 15.8 | - | - | 0.00 | 0.00 | 0.017 | 3 | - |