| 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 | 9/19/26 | 86.9 4.1 | 1203 | 55.0 7.1 | 0450 | - | - | - | - | - | - | - | 0.00 | 0.82 | - | - | 90 10 |
| Pope Valley (Weeks Lake) | 9/19/26 | 92.5 4.7 | 1520 | 43.6 1.7 | 0636 | 47.4 0.9 | 100 0 | 19 6 | 1.5 0.1 | 11.8 0.7 | 1249 | SSW | 211 | 0.00 | 0.03 | 0.160 0.013 | 456 3 | 0 10 |
| Dollarhide Base | 9/19/26 | 94.1 4.0 | 1600 | 50.8 2.6 | 0704 | 52.5 0.2 | 97 2 | 23 5 | 3.0 0.9 | 17.6 3.5 | 1728 | SSW | 209 | 0.00 | 0.00 | 0.194 0.027 | 490 7 | 20 10 |
| Dollarhide 1AS Remote | 9/19/26 | 93.6 3.4 | 1533 | 43.7 1.5 | 0648 | 49.2 0.4 | 90 2 | 23 5 | 2.4 0.9 | 18.7 3.6 | 1415 | SW | 214 | - | - | - | - | 20 10 |
| Dollarhide 16A Remote | 9/19/26 | 94.2 3.4 | 1551 | 49.5 2.3 | 0658 | 52.2 0.1 | 96 1 | 23 5 | - | - | - | - | - | - | - | - | 20 10 |
| Dollarhide 18A Remote | 9/19/26 | 92.9 3.8 | 1229 | 41.7 1.2 | 0642 | 48.5 0.4 | 95 2 | 23 5 | - | - | - | - | - | - | - | - | 0 0 |
| Hardin Rd (Eakle) | 9/19/26 | 92.1 3.1 | 1501 | 46.0 1.8 | 0706 | - | - | - | - | - | - | - | - | - | - | - | 0 10 |
| Angwin | 9/19/26 | 83.4 3.8 | 1533 | 65.1 9.9 | 0101 | 42.5 5.2 | 48 34 | 21 7 | 3.9 0.8 | 14.7 3.6 | 0841 | WNW | 301 | 0.00 | 0.30 | 0.077 0.036 | 0 0 | 100 0 |
| Lower Angwin (Pioneer) | 9/19/26 | 84.4 4.2 | 1532 | 45.7 2.5 | 0135 | - | - | - | 2.3 0.5 | 12.3 0.7 | 1756 | SW | 217 | - | - | - | - | 100 0 |
| Las Posadas (Cal Fire) | 9/19/26 | 86.5 3.5 | 1541 | 49.0 2.1 | 0658 | 51.2 0.4 | 99 4 | 25 6 | 7.5 2.1 | 22.0 3.4 | 1332 | SW | 215 | 0.00 | 0.23 | 0.191 0.014 | 465 7 | - |
| Deer Park | 9/19/26 | 91.3 5.1 | 1628 | 52.9 0.9 | 0621 | 52.0 1.5 | 97 6 | 21 6 | 2.8 0.7 | 11.9 2.8 | 1559 | NW | 304 | 0.00 | 0.04 | 0.124 0.019 | 321 21 | 50 10 |
| Lower Chiles Valley (Brown) | 9/19/26 | 87.4 2.1 | 1514 | 45.9 3.8 | 0424 | 51.5 2.9 | 100 0 | 26 1 | 3.9 1.6 | 13.8 1.8 | 1606 | W | 279 | 0.00 | 0.14 | 0.159 0.009 | 508 2 | 20 10 |
| Moss Creek Vineyard/Reservior | 9/19/26 | 93.2 5.8 | 1520 | 48.7 3.4 | 0700 | 49.4 0.4 | 94 2 | 18 5 | - | - | - | - | 0.00 | 0.04 | - | - | 0 0 |
| Max | 94.2 | - | 65.1 | - | 52.5 | 100 | 26 | 7.5 | 22.0 | - | - | 0.00 | 0.82 | 0.194 | 508 | - | |
| Avg | - | - | - | - | 49.6 | - | - | 3.4 | - | - | - | - | - | - | - | - | |
| Min | 83.4 | - | 41.7 | - | 42.5 | 48 | 18 | 1.5 | 11.8 | - | - | 0.00 | 0.00 | 0.077 | 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 | 9/19/26 | 90.6 3.4 | 1442 | 48.0 0.1 | 0607 | 52.4 0.2 | 97 0 | 27 6 | - | - | - | - | 0.00 | 0.09 | - | - | 10 10 |
| Diamond Mtn (Schramsberg) | 9/19/26 | 89.8 4.8 | 1528 | 51.5 0.3 | 0739 | 50.6 0.1 | 100 7 | 21 6 | - | - | - | - | 0.00 | 0.13 | - | - | 90 10 |
| Diamond Mtn (McEachran) | 9/19/26 | 89.1 4.5 | 1617 | 52.8 1.4 | 0516 | 50.7 0.4 | 96 2 | 22 7 | - | - | - | - | - | - | - | - | 90 10 |
| St. Helena-North | 9/19/26 | 91.0 1.8 | 1609 | 50.6 2.2 | 0440 | 49.8 1.2 | 92 3 | 18 5 | 2.1 | 11.0 0.4 | 1820 | SE | 133 | 0.00 | 0.11 | 0.137 0.007 | 394 38 | 40 10 |
| St. Helena (NVV Office) | 9/19/26 | 91.9 2.4 | 1633 | 51.2 1.9 | 0459 | - | - | - | 1.1 | 8.4 2.2 | 1807 | SE | 136 | 0.00 | 0.04 | - | - | 50 10 |
| Tiara Fria (East St. Helena) | 9/19/26 | 87.1 0.9 | 1557 | 49.0 2.3 | 0454 | 52.6 2.6 | 94 3 | 35 9 | 1.8 | 14.1 0.4 | 1715 | ESE | 109 | 0.00 | 0.02 | - | - | 40 10 |
| Prisoner Winery | 9/19/26 | 89.9 0.7 | 1618 | 48.4 1.5 | 0422 | 53.1 2.8 | 97 1 | 32 8 | 1.1 | 7.2 6.1 | 1723 | SSE | 154 | 0.00 | 0.06 | 0.020 0.008 | 0 0 | 20 10 |
| Rutherford Hill Estate | 9/19/26 | 89.3 1.0 | 1555 | 53.3 2.4 | 0427 | 54.1 2.5 | 100 5 | 33 8 | 1.3 | 11.4 0.4 | 1821 | S | 172 | 0.00 | 0.08 | 0.124 0.015 | 394 20 | 0 10 |
| Rutherford-North (Mee Ln) | 9/19/26 | 87.1 2.1 | 1603 | 46.9 3.7 | 0427 | 52.2 2.7 | 93 2 | 35 9 | 2.4 | 16.0 3.5 | 1801 | SE | 137 | 0.00 | 0.06 | 0.139 0.012 | 398 46 | 80 10 |
| Rutherford (STS) | 9/19/26 | 88.4 1.1 | 1618 | 47.4 3.8 | 0418 | 54.9 2.5 | 92 0 | 40 8 | 1.7 | 12.4 0.2 | 1722 | ESE | 119 | 0.00 | 0.05 | 0.149 0.016 | 463 42 | 80 10 |
| Oakville-NE (Ranch 88) | 9/19/26 | 87.4 2.3 | 1548 | 49.4 5.8 | 0233 | 51.4 3.3 | 86 4 | 33 8 | 1.6 | 15.2 4.1 | 1812 | S | 191 | 0.00 | 0.04 | 0.134 0.010 | 396 40 | 100 0 |
| OV561-East | 9/19/26 | 88.5 1.7 | 1529 | 51.3 5.7 | 0228 | - | - | - | - | - | - | - | - | - | - | - | 40 10 |
| Oakville | 9/19/26 | 84.1 2.9 | 1550 | 50.4 5.8 | 0226 | 53.0 3.1 | 90 3 | 39 10 | 2.7 | 16.4 2.4 | 1821 | SE | 128 | 0.00 | 0.03 | 0.146 0.017 | 441 45 | 90 20 |
| OV518-West | 9/19/26 | 82.8 2.5 | 1557 | 51.3 6.3 | 0217 | - | - | - | - | - | - | - | - | - | - | - | 100 0 |
| To Kalon Remote (TKKE) | 9/19/26 | 87.2 2.0 | 1556 | 49.9 4.2 | 0229 | - | - | - | - | - | - | - | - | - | - | - | 80 10 |
| To Kalon | 9/19/26 | 84.7 3.9 | 1557 | 50.6 4.7 | 0225 | 53.7 2.5 | 93 3 | 40 11 | 2.5 | 17.0 5.6 | 1751 | SE | 135 | 0.00 | 0.00 | 0.146 0.011 | 445 41 | 90 20 |
| To Kalon Remote (TKN5) | 9/19/26 | 86.4 2.3 | 1608 | 50.8 4.6 | 0220 | - | - | - | - | - | - | - | - | - | - | - | 80 10 |
| Yountville (Ranch 67) | 9/19/26 | 82.0 4.7 | 1605 | 49.8 5.1 | 0255 | 52.1 2.6 | 90 2 | 40 13 | 3.3 | 15.9 4.3 | 1817 | S | 184 | 0.00 | 0.05 | 0.151 0.008 | 494 38 | 90 20 |
| Stags Leap Dist (Silverado Vineyards) | 9/19/26 | 82.3 5.1 | 1546 | 49.6 4.8 | 0249 | 52.4 2.6 | 92 3 | 39 12 | 2.6 | 15.3 3.6 | 1902 | SSE | 160 | 0.00 | 0.07 | 0.144 0.014 | 430 54 | 70 10 |
| Borreo (Soda Canyon) | 9/19/26 | 82.4 0.4 | 1515 | 48.9 2.8 | 0309 | 51.9 2.2 | 94 4 | 38 8 | 1.6 | 8.9 3.7 | 1824 | S | 174 | 0.00 | 0.31 | 0.133 0.016 | 440 40 | 100 20 |
| Wappo Hill Floor | 9/19/26 | 83.2 3.6 | 1545 | 50.8 6.5 | 0341 | 53.5 2.2 | 100 0 | 41 12 | 2.4 | 12.4 2.7 | 1639 | SSE | 165 | 0.00 | 0.10 | 0.144 0.018 | 451 27 | 100 10 |
| Stags Leap Dist (Chimney Rock) | 9/19/26 | 82.2 3.6 | 1548 | 49.2 5.3 | 0337 | 55.0 2.3 | 96 2 | 48 11 | 2.3 | 11.4 1.4 | 1820 | SE | 130 | 0.00 | 0.10 | 0.128 0.017 | 408 39 | 100 0 |
| Yountville-South (Ranch 87) | 9/19/26 | 84.2 2.7 | 1545 | 51.9 7.0 | 0147 | 54.1 2.5 | 96 4 | 40 11 | 1.5 | 9.5 2.9 | 1653 | S | 183 | 0.00 | 0.09 | 0.131 0.003 | 420 24 | 100 10 |
| Yountville-SE (Ranch 85) | 9/19/26 | 81.4 4.3 | 1621 | 51.8 6.4 | 0340 | 54.3 2.7 | 94 0 | 44 12 | 2.1 | 13.4 0.6 | 1822 | S | 170 | 0.00 | 0.08 | - | 0 0 | 100 0 |
| Oak Knoll-East (Ranch 53) | 9/19/26 | 80.8 5.5 | 1533 | 51.7 5.9 | 0308 | 52.8 2.2 | 90 2 | 43 16 | 1.9 | 11.8 0.8 | 1349 | E | 100 | 0.00 | 0.15 | 0.140 0.023 | 452 59 | 100 10 |
| Napa-NW (Ranch 54) | 9/19/26 | 84.2 2.5 | 1550 | 52.6 6.1 | 0102 | 52.9 2.4 | 89 4 | 40 12 | 0.6 | 6.5 4.0 | 1631 | SE | 134 | 0.00 | 0.18 | - | 0 0 | 100 10 |
| Napa-North (Ranch 29) | 9/19/26 | 80.6 2.3 | 1553 | 50.8 4.0 | 0449 | 54.6 1.8 | 100 0 | 45 12 | 1.3 | 10.9 5.0 | 1735 | S | 175 | 0.00 | 0.10 | 0.097 0.006 | 303 11 | 100 10 |
| Max | 91.9 | - | 53.3 | - | 55.0 | 100 | 48 | 3.3 | 17.0 | - | - | 0.00 | 0.31 | 0.151 | 494 | - | |
| Avg | - | - | - | - | 52.8 | - | - | 1.9 | - | - | - | - | - | - | - | - | |
| Min | 80.6 | - | 46.9 | - | 49.8 | 86 | 18 | 0.6 | 6.5 | - | - | 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 | 9/18/26 | 80.2 12.4 | 1430 | 54.4 3.6 | 0510 | 50.5 0.0 | 86 7 | 32 22 | 1.3 | 9.5 0.6 | 1451 | SSE | 157 | 0.00 | 0.45 | 0.399 0.151 | - | 100 20 |
| Mount George (Napa East) | 9/19/26 | 113.7 9.0 | 1335 | 53.5 5.6 | 0353 | 57.6 3.7 | 93 7 | 40 1 | 1.4 | 8.3 2.5 | 1204 | WSW | 243 | 0.00 | 0.16 | 0.138 0.013 | 450 50 | 100 0 |
| Napa-East (Palmaz 300') | 9/19/26 | 87.9 1.8 | 1457 | 52.8 4.3 | 0349 | 53.4 1.4 | 94 6 | 34 1 | 1.1 | 9.8 2.5 | 1342 | SW | 227 | 0.00 | 0.16 | 0.129 0.014 | 411 39 | 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') | 9/19/26 | 79.3 0.7 | 1614 | 49.8 2.8 | 0338 | 52.6 1.0 | 100 0 | 44 0 | 2.2 | 11.2 2.6 | 1811 | WSW | 237 | 0.00 | 0.33 | 0.137 0.008 | 478 4 | 100 10 |
| Wooden Valley | 9/19/26 | 83.8 1.0 | 1526 | 50.5 4.9 | 0725 | 50.8 1.1 | 93 3 | 34 0 | 3.3 | 13.7 5.9 | 1417 | SW | 232 | 0.00 | 0.04 | 0.162 0.003 | 495 8 | 100 0 |
| Napa-West Upper (Truchard) | 9/19/26 | 81.0 6.0 | 1459 | 52.3 2.0 | 0601 | 19.8 13.5 | 100 0 | 0 0 | 2.3 | 15.6 2.8 | 1801 | S | 186 | 0.00 | 0.10 | 0.203 0.039 | 827 65 | 90 20 |
| Napa-West Lower (Truchard) | 9/19/26 | 80.4 5.9 | 1552 | 45.4 2.0 | 0439 | 50.3 0.9 | 94 4 | 41 13 | - | - | - | - | - | - | - | - | 90 20 |
| Napa-South (Toyon Farms) | 9/19/26 | 79.3 5.7 | 1447 | 51.7 1.0 | 0438 | 55.6 0.7 | 100 0 | 52 16 | 2.8 | 13.2 2.0 | 1637 | S | 170 | 0.00 | 0.07 | 0.083 0.008 | 248 21 | 80 10 |
| Toyon Remote 1 | 9/19/26 | 78.7 8.4 | 1444 | 47.0 1.2 | 0513 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 2 | 9/19/26 | 77.7 6.0 | 1551 | 47.6 1.9 | 0501 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 3 | 9/19/26 | 78.5 8.9 | 1521 | 47.6 1.4 | 0504 | - | - | - | - | - | - | - | - | - | - | - | - |
| Dealy Lane (Ranch 80) | 9/19/26 | 78.6 6.5 | 1506 | 49.6 2.6 | 0618 | 52.5 1.5 | 96 0 | 39 10 | 2.2 | 13.7 1.1 | 1413 | SE | 144 | 0.00 | 0.08 | 0.131 0.022 | 430 58 | 100 0 |
| Carneros (Saintsbury) | 9/19/26 | 76.3 7.1 | 1526 | 46.7 0.6 | 0558 | 52.1 0.8 | 100 0 | 47 15 | 3.8 | 14.3 5.0 | 1604 | SE | 141 | 0.00 | 0.08 | - | - | 80 10 |
| Suscol Lower (Ranch 35) | 9/19/26 | 78.0 1.8 | 1536 | 51.2 2.7 | 0511 | 53.6 1.0 | 100 0 | 46 7 | 3.4 | 14.2 1.8 | 1804 | SSW | 196 | 0.00 | 0.15 | 0.122 0.030 | 382 82 | 80 10 |
| Suscol Mtn (Ranch 93) | 9/19/26 | 80.2 2.1 | 1457 | 53.6 0.6 | 0057 | 54.0 0.6 | 98 2 | 42 1 | 3.3 | 14.0 2.9 | 1443 | NW | 312 | 0.00 | 0.33 | - | - | 70 10 |
| Suscol Upper (Ranch 92) | 9/19/26 | 78.8 0.3 | 1603 | 54.4 1.6 | 0056 | 23.5 18.9 | 100 0 | 0 0 | 1.7 | 11.1 4.7 | 1327 | WSW | 250 | 0.00 | 0.15 | - | - | 30 10 |
| Stanly (Ranch 45) | 9/19/26 | 76.5 3.8 | 1557 | 47.8 3.8 | 0519 | 52.5 0.7 | 94 1 | 49 14 | 3.3 | 13.5 3.3 | 1622 | SSW | 201 | 0.00 | 0.15 | 0.128 0.028 | 420 69 | 90 10 |
| Carneros Upper (Ranch 81) | 9/19/26 | 79.8 3.3 | 1508 | 53.9 2.0 | 0056 | 49.3 21.9 | - | - | 5.7 | 24.8 3.7 | 1757 | W | 262 | - | - | - | - | 80 10 |
| Carneros (Mitsuko) | 9/19/26 | 77.0 7.7 | 1531 | 44.8 0.8 | 0453 | - | - | - | - | - | - | - | - | - | - | - | 80 10 |
| Carneros Lower (Ranch 81) | 9/19/26 | 79.8 8.8 | 1457 | 47.6 2.5 | 0614 | 47.8 2.9 | 100 0 | 0 0 | 1.3 | 12.6 1.4 | 1413 | S | 174 | 0.00 | 0.01 | 0.019 0.003 | 1 13 | 80 20 |
| Carneros (Milton Rd) | 9/19/26 | 76.1 5.1 | 1506 | 47.6 1.5 | 0507 | 52.2 0.9 | 94 0 | 51 18 | - | - | - | - | 0.00 | 0.00 | - | - | 80 10 |
| Max | 113.7 | - | 54.4 | - | 57.6 | 100 | 52 | 5.7 | 24.8 | - | - | 0.00 | 0.33 | 0.203 | 827 | - | |
| Avg | - | - | - | - | 48.6 | - | - | 2.7 | - | - | - | - | - | - | - | - | |
| Min | 76.1 | - | 44.8 | - | 19.8 | 93 | 0 | 1.1 | 8.3 | - | - | 0.00 | 0.00 | 0.019 | 1 | - |