| 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 | 10/1/26 | 90.7 0.6 | 1523 | 54.1 4.5 | 0718 | - | - | - | - | - | - | - | 0.00 | 0.82 | - | - | 70 10 |
| Pope Valley (Weeks Lake) | 10/1/26 | 97.6 0.3 | 1511 | 41.4 3.1 | 0655 | 44.5 1.4 | 94 4 | 12 1 | 1.3 0.1 | 13.2 1.8 | 1519 | WSW | 245 | 0.00 | 0.03 | 0.146 0.005 | 418 4 | 60 10 |
| Dollarhide Base | 10/1/26 | 98.8 1.5 | 1524 | 51.0 1.7 | 0654 | 49.4 1.8 | 89 4 | 18 2 | 2.2 0.1 | 13.3 0.9 | 1339 | ENE | 57 | 0.00 | 0.00 | 0.170 0.008 | 431 9 | 20 10 |
| Dollarhide 1AS Remote | 10/1/26 | 98.0 2.6 | 1531 | 41.8 1.4 | 0609 | 45.8 1.1 | 86 2 | 18 2 | 1.5 0.2 | 11.2 3.1 | 1347 | NE | 41 | - | - | - | - | 20 10 |
| Dollarhide 16A Remote | 10/1/26 | 99.9 0.0 | 1428 | 47.6 2.9 | 0658 | 49.4 1.8 | 92 3 | 18 1 | - | - | - | - | - | - | - | - | 50 10 |
| Dollarhide 18A Remote | 10/1/26 | 98.9 2.0 | 1459 | 39.9 1.6 | 0650 | 45.5 0.9 | 90 2 | 18 2 | - | - | - | - | - | - | - | - | 70 10 |
| Hardin Rd (Eakle) | 10/1/26 | 97.8 0.4 | 1521 | 45.0 1.7 | 0722 | - | - | - | - | - | - | - | - | - | - | - | 70 10 |
| Angwin | 10/1/26 | 88.8 0.1 | 1512 | 66.6 2.7 | 0627 | 42.4 5.7 | 44 15 | 14 2 | 3.0 1.3 | 12.1 4.6 | 1419 | S | 186 | 0.00 | 0.30 | 0.072 0.028 | 0 0 | 100 0 |
| Lower Angwin (Pioneer) | 10/1/26 | 90.9 1.0 | 1439 | 48.9 0.4 | 0106 | - | - | - | 1.7 0.6 | 9.9 2.5 | 1254 | SSW | 192 | - | - | - | - | 90 10 |
| Las Posadas (Cal Fire) | 10/1/26 | 92.7 0.8 | 1520 | 60.8 0.8 | 2231 | 45.7 3.4 | 66 18 | 15 1 | 4.7 1.0 | 15.0 1.2 | 1555 | SSW | 208 | 0.00 | 0.23 | 0.194 0.024 | 419 1 | - |
| Deer Park | 10/1/26 | 96.0 0.9 | 1513 | 53.0 6.2 | 0636 | 50.2 3.8 | 93 26 | 16 1 | 2.4 0.1 | 11.3 0.9 | 1522 | SE | 141 | 0.00 | 0.04 | 0.139 0.002 | 323 1 | 50 10 |
| Lower Chiles Valley (Brown) | 10/1/26 | 94.3 2.1 | 1455 | 43.8 3.8 | 0639 | 44.9 2.4 | 93 11 | 17 4 | 1.8 0.0 | 14.3 1.8 | 1523 | WNW | 297 | 0.00 | 0.14 | 0.171 0.006 | 472 5 | 50 10 |
| Moss Creek Vineyard/Reservior | 10/1/26 | 98.9 0.0 | 1507 | 49.5 4.1 | 0717 | 46.9 1.9 | 85 10 | 14 1 | - | - | - | - | 0.00 | 0.04 | - | - | 30 10 |
| Max | 99.9 | - | 66.6 | - | 50.2 | 94 | 18 | 4.7 | 15.0 | - | - | 0.00 | 0.82 | 0.194 | 472 | - | |
| Avg | - | - | - | - | 46.5 | - | - | 2.3 | - | - | - | - | - | - | - | - | |
| Min | 88.8 | - | 39.9 | - | 42.4 | 44 | 12 | 1.3 | 9.9 | - | - | 0.00 | 0.00 | 0.072 | 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 | 10/1/26 | 99.8 0.1 | 1420 | 45.8 3.6 | 0700 | 50.8 2.4 | 93 10 | 19 1 | - | - | - | - | 0.00 | 0.09 | - | - | 70 10 |
| Diamond Mtn (Schramsberg) | 10/1/26 | 93.3 1.8 | 1532 | 54.6 6.9 | 0643 | 49.6 5.6 | 92 37 | 19 4 | - | - | - | - | 0.00 | 0.13 | - | - | 70 10 |
| Diamond Mtn (McEachran) | 10/1/26 | 94.7 1.5 | 1522 | 52.2 5.4 | 0722 | 50.0 4.9 | 89 23 | 19 4 | - | - | - | - | - | - | - | - | 70 10 |
| St. Helena-North | 10/1/26 | 96.2 3.1 | 1501 | 48.6 1.3 | 0652 | 48.0 4.0 | 86 8 | 13 1 | 2.4 | 11.8 1.1 | 1520 | SE | 133 | 0.00 | 0.11 | 0.157 0.010 | 396 1 | 10 10 |
| St. Helena (NVV Office) | 10/1/26 | 95.1 3.2 | 1624 | 48.9 0.9 | 0704 | - | - | - | 1.2 | 8.7 0.8 | 1532 | SE | 140 | 0.00 | 0.04 | - | - | 20 10 |
| Tiara Fria (East St. Helena) | 10/1/26 | 93.5 1.8 | 1550 | 46.7 0.6 | 0606 | 50.0 1.9 | 91 3 | 19 3 | 1.7 | 11.3 1.9 | 1540 | SSW | 192 | 0.00 | 0.02 | - | - | 0 10 |
| Prisoner Winery | 10/1/26 | 96.8 1.3 | 1534 | 45.4 2.4 | 0519 | 51.1 1.7 | 98 4 | 19 1 | 1.1 | 7.8 0.4 | 1608 | E | 91 | 0.00 | 0.06 | 0.028 0.001 | 0 0 | 0 10 |
| Rutherford Hill Estate | 10/1/26 | 96.4 0.4 | 1553 | 52.4 3.6 | 0721 | 52.8 1.8 | 100 16 | 19 0 | 1.2 | 11.4 1.8 | 1514 | SSE | 153 | 0.00 | 0.08 | 0.133 0.003 | 388 4 | 20 10 |
| Rutherford-North (Mee Ln) | 10/1/26 | 94.0 1.9 | 1534 | 43.7 1.5 | 0507 | 49.9 1.7 | 95 4 | 23 3 | 2.3 | 14.0 0.2 | 1835 | SE | 127 | 0.00 | 0.06 | 0.156 0.001 | 403 4 | 50 10 |
| Rutherford (STS) | 10/1/26 | 96.4 1.5 | 1448 | 44.6 0.1 | 0427 | 53.2 1.5 | 92 0 | 28 3 | 1.6 | 11.8 0.5 | 1542 | ESE | 104 | 0.00 | 0.05 | 0.162 0.002 | 465 6 | 50 10 |
| Oakville-NE (Ranch 88) | 10/1/26 | 94.3 1.5 | 1611 | 43.9 0.2 | 0436 | 48.9 3.1 | 100 15 | 21 3 | 1.5 | 12.4 0.0 | 1527 | SSE | 150 | 0.00 | 0.04 | 0.147 0.004 | 405 4 | 70 10 |
| OV561-East | 10/1/26 | 96.1 1.3 | 1609 | 47.2 0.6 | 0446 | - | - | - | - | - | - | - | - | - | - | - | 20 10 |
| Oakville | 10/1/26 | 91.5 1.8 | 1603 | 45.1 0.0 | 0431 | 50.7 2.3 | 96 7 | 23 2 | 2.6 | 14.2 0.1 | 1900 | SSE | 150 | 0.00 | 0.03 | 0.165 0.007 | 445 3 | 60 10 |
| OV518-West | 10/1/26 | 91.5 2.3 | 1554 | 46.2 0.0 | 0442 | - | - | - | - | - | - | - | - | - | - | - | 70 10 |
| To Kalon Remote (TKKE) | 10/1/26 | 94.7 1.5 | 1518 | 45.4 1.0 | 0445 | - | - | - | - | - | - | - | - | - | - | - | 70 10 |
| To Kalon | 10/1/26 | 93.3 1.7 | 1545 | 46.7 0.3 | 0412 | 52.4 2.0 | 98 5 | 24 2 | 2.4 | 12.7 0.9 | 1518 | ESE | 119 | 0.00 | 0.00 | 0.163 0.006 | 445 7 | 60 10 |
| To Kalon Remote (TKN5) | 10/1/26 | 95.9 0.8 | 1612 | 46.7 0.1 | 0451 | - | - | - | - | - | - | - | - | - | - | - | 70 10 |
| Yountville (Ranch 67) | 10/1/26 | 90.9 2.5 | 1541 | 44.2 0.4 | 0444 | 50.2 2.6 | 95 6 | 25 5 | 2.3 | 12.6 0.5 | 1823 | SE | 146 | 0.00 | 0.05 | 0.160 0.009 | 497 1 | 60 10 |
| Stags Leap Dist (Silverado Vineyards) | 10/1/26 | 91.5 2.6 | 1607 | 45.6 0.8 | 0430 | 50.9 2.8 | 96 3 | 25 5 | 1.9 | 13.2 1.2 | 1521 | E | 89 | 0.00 | 0.07 | 0.157 0.013 | 442 1 | 70 10 |
| Borreo (Soda Canyon) | 10/1/26 | 89.7 1.8 | 1648 | 47.0 2.2 | 0426 | 49.8 2.8 | 97 6 | 25 6 | 1.5 | 7.8 1.0 | 1355 | W | 261 | 0.00 | 0.31 | 0.141 0.006 | 438 3 | 20 10 |
| Wappo Hill Floor | 10/1/26 | 92.4 1.9 | 1624 | 45.2 0.5 | 0432 | 51.9 2.8 | 100 8 | 26 6 | 2.0 | 10.4 1.4 | 1823 | SE | 140 | 0.00 | 0.10 | 0.155 0.008 | 450 0 | 70 10 |
| Stags Leap Dist (Chimney Rock) | 10/1/26 | 91.0 2.5 | 1634 | 45.1 0.8 | 0429 | 53.9 2.2 | 99 1 | 34 6 | 1.9 | 11.1 0.5 | 1831 | SE | 125 | 0.00 | 0.10 | 0.137 0.008 | 411 5 | 70 10 |
| Yountville-South (Ranch 87) | 10/1/26 | 94.4 0.5 | 1643 | 45.4 0.0 | 0528 | 52.2 1.9 | 100 0 | 23 2 | 1.1 | 8.1 3.7 | 1630 | SSW | 201 | 0.00 | 0.09 | 0.126 0.007 | 365 1 | 70 10 |
| Yountville-SE (Ranch 85) | 10/1/26 | 92.8 0.2 | 1640 | 47.8 1.8 | 0431 | 52.9 2.3 | 100 8 | 27 4 | 1.3 | 9.3 1.7 | 1819 | SSE | 153 | 0.00 | 0.08 | - | 0 0 | 70 10 |
| Oak Knoll-East (Ranch 53) | 10/1/26 | 92.2 1.2 | 1623 | 45.9 0.5 | 0627 | 51.5 1.5 | 95 4 | 23 3 | 1.5 | 10.5 1.0 | 1441 | SSE | 157 | 0.00 | 0.15 | 0.150 0.010 | 459 14 | 70 10 |
| Napa-NW (Ranch 54) | 10/1/26 | 93.7 0.4 | 1603 | 45.6 1.9 | 0618 | 51.2 1.7 | 92 4 | 22 0 | 0.4 | 5.9 0.4 | 1827 | ESE | 116 | 0.00 | 0.18 | - | 0 0 | 70 10 |
| Napa-North (Ranch 29) | 10/1/26 | 90.4 2.3 | 1631 | 49.4 2.4 | 0533 | 54.0 2.4 | 100 0 | 29 6 | 1.4 | 9.9 1.6 | 1746 | S | 177 | 0.00 | 0.10 | 0.100 0.006 | 273 4 | 40 10 |
| Max | 99.8 | - | 54.6 | - | 54.0 | 100 | 34 | 2.6 | 14.2 | - | - | 0.00 | 0.31 | 0.165 | 497 | - | |
| Avg | - | - | - | - | 51.2 | - | - | 1.7 | - | - | - | - | - | - | - | - | |
| Min | 89.7 | - | 43.7 | - | 48.0 | 86 | 13 | 0.4 | 5.9 | - | - | 0.00 | 0.00 | 0.028 | 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 | 10/1/26 | 87.5 3.9 | 1402 | 68.8 0.8 | 0647 | 44.4 4.5 | 46 6 | 22 6 | 1.8 | 9.8 1.1 | 1506 | S | 189 | 0.00 | 0.45 | 0.186 0.029 | 553 178 | 100 0 |
| Mount George (Napa East) | 10/1/26 | 97.6 6.0 | 1625 | 46.2 0.6 | 0427 | 54.2 2.3 | 97 4 | 33 9 | 1.0 | 8.6 1.4 | 1343 | W | 275 | 0.00 | 0.16 | 0.142 0.007 | 453 6 | 70 10 |
| Napa-East (Palmaz 300') | 10/1/26 | 94.0 3.3 | 1634 | 48.3 1.6 | 0706 | 53.1 2.3 | 100 0 | 25 7 | 1.1 | 8.0 0.4 | 1413 | WSW | 246 | 0.00 | 0.16 | 0.132 0.006 | 401 5 | 60 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') | 10/1/26 | 90.6 1.6 | 1301 | 52.2 4.0 | 0719 | 48.4 2.3 | 77 10 | 20 2 | 1.9 | 10.7 1.0 | 1526 | SW | 220 | 0.00 | 0.33 | 0.154 0.006 | 449 5 | 40 10 |
| Wooden Valley | 10/1/26 | 92.9 1.0 | 1454 | 44.1 3.2 | 0712 | 44.5 0.9 | 88 9 | 16 1 | 1.4 | 10.2 1.5 | 1542 | ESE | 108 | 0.00 | 0.04 | 0.153 0.006 | 450 7 | 70 10 |
| Napa-West Upper (Truchard) | 10/1/26 | 92.4 2.5 | 1608 | 50.1 5.1 | 0728 | 16.0 34.6 | 100 0 | 0 0 | 1.9 | 10.5 1.2 | 1728 | S | 175 | 0.00 | 0.10 | 0.328 0.178 | 1,300 | 60 10 |
| Napa-West Lower (Truchard) | 10/1/26 | 91.6 2.7 | 1602 | 45.7 0.3 | 0610 | 50.7 1.5 | 96 1 | 26 8 | - | - | - | - | - | - | - | - | 60 10 |
| Napa-South (Toyon Farms) | 10/1/26 | 89.7 3.1 | 1540 | 51.5 1.3 | 0742 | 56.3 0.2 | 100 1 | 35 8 | 1.8 | 10.8 0.8 | 1738 | S | 178 | 0.00 | 0.07 | 0.082 0.009 | 214 0 | 20 10 |
| Toyon Remote 1 | 10/1/26 | 89.4 3.0 | 1534 | 47.7 0.4 | 0530 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 2 | 10/1/26 | 89.3 2.1 | 1555 | 46.0 2.2 | 0529 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 3 | 10/1/26 | 90.3 2.2 | 1558 | 47.6 0.4 | 0542 | - | - | - | - | - | - | - | - | - | - | - | - |
| Dealy Lane (Ranch 80) | 10/1/26 | 90.4 2.8 | 1534 | 50.7 0.0 | 0319 | 52.9 0.9 | 96 3 | 27 7 | 1.9 | 11.2 0.8 | 1341 | SSE | 158 | 0.00 | 0.08 | 0.138 0.014 | 439 12 | 70 10 |
| Carneros (Saintsbury) | 10/1/26 | 87.0 2.8 | 1540 | 46.8 0.6 | 0759 | 52.3 0.0 | 100 0 | 31 6 | 2.6 | 11.9 0.7 | 1249 | S | 174 | 0.00 | 0.08 | - | - | 20 10 |
| Suscol Lower (Ranch 35) | 10/1/26 | 86.3 4.3 | 1555 | 50.2 0.6 | 0445 | 53.7 1.7 | 100 0 | 32 7 | 3.4 | 11.7 0.2 | 2111 | SSE | 162 | 0.00 | 0.15 | 0.136 0.021 | 405 31 | 0 0 |
| Suscol Mtn (Ranch 93) | 10/1/26 | 88.0 4.3 | 1506 | 54.5 0.4 | 0103 | 53.1 2.3 | 96 1 | 30 8 | 2.3 | 10.2 1.9 | 1519 | NW | 317 | 0.00 | 0.40 | - | - | 0 0 |
| Suscol Upper (Ranch 92) | 10/1/26 | 88.3 3.2 | 1554 | 54.3 1.0 | 0109 | 40.4 9.2 | 100 0 | 0 0 | 0.3 | 10.4 1.1 | 2047 | SSE | 159 | 0.00 | 0.15 | - | - | 0 0 |
| Stanly (Ranch 45) | 9/30/26 | 88.6 3.9 | 1448 | 51.4 7.3 | 0715 | 55.7 4.8 | 91 5 | 28 5 | 5.2 | 11.8 0.2 | 1648 | WSW | 238 | 0.00 | 0.15 | 0.123 0.042 | 448 33 | 40 10 |
| Carneros Upper (Ranch 81) | 10/1/26 | 89.2 3.0 | 1618 | 51.7 3.7 | 0702 | 20.2 31.4 | - | - | 2.7 | 11.6 5.2 | 1324 | S | 180 | - | - | - | - | 0 0 |
| Carneros (Mitsuko) | 10/1/26 | 87.7 2.8 | 1527 | 44.1 0.7 | 0249 | - | - | - | - | - | - | - | - | - | - | - | 0 0 |
| Carneros Lower (Ranch 81) | 10/1/26 | 87.7 4.9 | 1446 | 47.9 2.2 | 0505 | 44.4 0.2 | 100 0 | 0 0 | 1.2 | 9.9 0.6 | 1222 | SSE | 154 | 0.00 | 0.01 | 0.024 0.007 | 1 1 | 20 10 |
| Carneros (Milton Rd) | 10/1/26 | 85.9 2.7 | 1601 | 46.0 3.0 | 0418 | 52.4 0.0 | 92 1 | 28 1 | - | - | - | - | 0.00 | 0.00 | - | - | 20 10 |
| Max | 97.6 | - | 68.8 | - | 56.3 | 100 | 35 | 3.4 | 11.9 | - | - | 0.00 | 0.45 | 0.328 | 1,300 | - | |
| Avg | - | - | - | - | 46.1 | - | - | 1.8 | - | - | - | - | - | - | - | - | |
| Min | 85.9 | - | 44.1 | - | 16.0 | 46 | 0 | 0.3 | 8.0 | - | - | 0.00 | 0.00 | 0.024 | 1 | - |