| 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 | 9/22/26 | 80.2 0.9 | 1707 | 49.6 0.9 | 0448 | - | - | - | - | - | - | - | 0.00 | 0.82 | - | - | 100 0 |
| Pope Valley (Weeks Lake) | 9/22/26 | 84.8 3.6 | 1537 | 44.2 2.2 | 0640 | 49.8 1.8 | 100 0 | 29 8 | 1.5 0.5 | 12.1 1.1 | 1623 | SW | 214 | 0.00 | 0.03 | 0.139 0.006 | 440 10 | 60 20 |
| Dollarhide Base | 9/22/26 | 87.2 5.9 | 1306 | 49.1 3.8 | 0640 | 54.6 1.0 | 99 1 | 33 13 | 2.9 0.5 | 13.9 1.4 | 1527 | SSW | 204 | 0.00 | 0.00 | 0.159 0.011 | 464 3 | 50 10 |
| Dollarhide 1AS Remote | 9/22/26 | 88.0 7.9 | 1348 | 45.0 1.1 | 0654 | 52.4 1.6 | 93 0 | 32 14 | 2.4 1.0 | 15.2 0.9 | 1522 | SW | 226 | - | - | - | - | 50 10 |
| Dollarhide 16A Remote | 9/22/26 | 85.4 5.7 | 1439 | 48.9 2.3 | 0556 | 54.2 0.9 | 100 2 | 35 12 | - | - | - | - | - | - | - | - | 80 20 |
| Dollarhide 18A Remote | 9/22/26 | 85.9 5.7 | 1249 | 43.5 0.1 | 0659 | 51.8 1.4 | 98 1 | 36 10 | - | - | - | - | - | - | - | - | 60 20 |
| Hardin Rd (Eakle) | 9/22/26 | 85.3 4.7 | 1451 | 46.8 1.8 | 0647 | - | - | - | - | - | - | - | - | - | - | - | 60 20 |
| Angwin | 9/22/26 | 75.6 1.2 | 1536 | 55.9 0.8 | 0349 | 49.3 0.5 | 80 8 | 37 3 | 3.5 | 12.8 0.9 | 1446 | SSE | 152 | 0.00 | 0.30 | 0.044 0.010 | 0 0 | 100 20 |
| Lower Angwin (Pioneer) | 9/22/26 | 77.5 4.4 | 1625 | 42.4 8.4 | 0709 | - | - | - | 1.5 1.0 | 10.8 2.3 | 1553 | SW | 235 | - | - | - | - | 100 20 |
| Las Posadas (Cal Fire) | 9/22/26 | 79.2 5.1 | 1605 | 47.3 4.3 | 0711 | 52.4 1.1 | 100 0 | 41 10 | 6.8 2.7 | 18.6 4.2 | 1635 | SSW | 206 | 0.00 | 0.23 | 0.146 0.021 | 443 1 | - |
| Deer Park | 9/22/26 | 82.4 5.8 | 1513 | 51.8 1.7 | 0726 | 52.8 0.9 | 96 0 | 38 9 | 3.3 0.1 | 12.4 2.8 | 1719 | SSE | 159 | 0.00 | 0.04 | 0.109 0.027 | 310 69 | 50 20 |
| Lower Chiles Valley (Brown) | 9/22/26 | 80.7 4.7 | 1545 | 51.1 2.6 | 0700 | 52.6 0.8 | 100 0 | 38 8 | 3.3 0.1 | 14.7 0.1 | 1550 | NW | 312 | 0.00 | 0.14 | 0.142 0.023 | 464 49 | 20 20 |
| Moss Creek Vineyard/Reservior | 9/22/26 | 87.5 6.1 | 1419 | 48.2 4.6 | 0555 | 51.9 0.8 | 97 2 | 29 9 | - | - | - | - | 0.00 | 0.04 | - | - | 30 10 |
| Max | 88.0 | - | 55.9 | - | 54.6 | 100 | 41 | 6.8 | 18.6 | - | - | 0.00 | 0.82 | 0.159 | 464 | - | |
| Avg | - | - | - | - | 52.2 | - | - | 3.1 | - | - | - | - | - | - | - | - | |
| Min | 75.6 | - | 42.4 | - | 49.3 | 80 | 29 | 1.5 | 10.8 | - | - | 0.00 | 0.00 | 0.044 | 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 | 9/22/26 | 83.2 1.9 | 1459 | 53.3 0.9 | 0720 | 54.6 0.6 | 96 0 | 40 6 | - | - | - | - | 0.00 | 0.09 | - | - | 70 20 |
| Diamond Mtn (Schramsberg) | 9/22/26 | 82.8 6.7 | 1622 | 50.1 2.4 | 0454 | 52.0 1.4 | 100 0 | 34 13 | - | - | - | - | 0.00 | 0.13 | - | - | 60 10 |
| Diamond Mtn (McEachran) | 9/22/26 | 84.1 6.6 | 1640 | 51.7 1.8 | 0534 | 52.6 1.3 | 96 1 | 33 14 | - | - | - | - | - | - | - | - | 90 20 |
| St. Helena-North | 9/22/26 | 83.4 6.7 | 1614 | 53.9 1.3 | 0707 | 51.5 0.9 | 85 2 | 35 9 | 2.8 | 12.9 1.1 | 1325 | S | 175 | 0.00 | 0.11 | 0.136 0.028 | 409 75 | 40 20 |
| St. Helena (NVV Office) | 9/22/26 | 82.9 6.4 | 1626 | 54.4 1.3 | 0712 | - | - | - | 1.4 | 9.4 1.0 | 1717 | SE | 132 | 0.00 | 0.04 | - | - | 50 20 |
| Tiara Fria (East St. Helena) | 9/22/26 | 79.8 5.4 | 1540 | 54.5 0.3 | 0644 | 53.2 0.8 | 90 1 | 43 8 | 2.3 | 10.2 3.8 | 1738 | ESE | 121 | 0.00 | 0.02 | - | - | 10 10 |
| Prisoner Winery | 9/22/26 | 83.1 5.8 | 1555 | 52.2 1.2 | 2333 | 53.0 1.0 | 96 1 | 39 7 | 1.7 | 7.5 2.0 | 1410 | SSW | 202 | 0.00 | 0.06 | 0.019 0.003 | 0 0 | 20 20 |
| Rutherford Hill Estate | 9/22/26 | 81.3 6.1 | 1602 | 52.6 1.0 | 0157 | 53.3 0.6 | 93 0 | 41 9 | 1.4 | 10.3 4.8 | 1649 | S | 171 | 0.00 | 0.08 | 0.115 0.030 | 390 99 | 20 20 |
| Rutherford-North (Mee Ln) | 9/22/26 | 79.9 5.2 | 1547 | 49.9 2.6 | 2354 | 52.5 1.0 | 90 0 | 43 8 | 2.9 | 15.6 2.2 | 1749 | SSE | 147 | 0.00 | 0.06 | 0.125 0.033 | 394 105 | 50 10 |
| Rutherford (STS) | 9/22/26 | 81.4 4.8 | 1449 | 50.7 3.2 | 2319 | 55.1 0.7 | 92 0 | 47 7 | 2.1 | 11.5 1.8 | 1818 | SE | 136 | 0.00 | 0.05 | 0.133 0.034 | 441 104 | 80 20 |
| Oakville-NE (Ranch 88) | 9/22/26 | 79.9 5.0 | 1518 | 51.5 0.7 | 2335 | 51.6 0.9 | 86 3 | 41 7 | 2.1 | 13.5 2.6 | 1737 | SSW | 194 | 0.00 | 0.04 | 0.120 0.028 | 368 87 | 100 10 |
| OV561-East | 9/22/26 | 80.6 5.5 | 1601 | 54.5 0.4 | 2352 | - | - | - | - | - | - | - | - | - | - | - | 10 10 |
| Oakville | 9/22/26 | 76.7 4.5 | 1509 | 52.7 1.2 | 2340 | 53.0 0.5 | 92 1 | 48 6 | 3.2 | 15.3 3.6 | 1646 | SE | 126 | 0.00 | 0.03 | 0.127 0.027 | 414 80 | 60 10 |
| OV518-West | 9/22/26 | 76.4 4.6 | 1446 | 54.4 0.1 | 2339 | - | - | - | - | - | - | - | - | - | - | - | 70 10 |
| To Kalon Remote (TKKE) | 9/22/26 | 80.0 5.8 | 1510 | 52.1 1.9 | 2329 | - | - | - | - | - | - | - | - | - | - | - | 50 10 |
| To Kalon | 9/22/26 | 77.5 4.6 | 1512 | 52.2 2.2 | 2332 | 53.7 0.8 | 94 1 | 48 8 | 3.1 | 14.1 3.3 | 1808 | SSE | 165 | 0.00 | 0.00 | 0.127 0.030 | 410 87 | 60 10 |
| To Kalon Remote (TKN5) | 9/22/26 | 81.5 6.1 | 1518 | 52.9 1.9 | 2308 | - | - | - | - | - | - | - | - | - | - | - | 80 20 |
| Yountville (Ranch 67) | 9/22/26 | 75.6 4.8 | 1512 | 54.5 2.4 | 0800 | 52.3 0.1 | 88 3 | 47 8 | 3.4 | 14.5 2.4 | 1804 | SE | 129 | 0.00 | 0.05 | 0.125 0.024 | 447 62 | 60 10 |
| Stags Leap Dist (Silverado Vineyards) | 9/22/26 | 76.1 5.4 | 1503 | 54.8 3.1 | 0647 | 52.6 0.0 | 89 2 | 46 9 | 2.9 | 15.6 2.0 | 1647 | SE | 145 | 0.00 | 0.07 | 0.117 0.028 | 371 76 | 70 10 |
| Borreo (Soda Canyon) | 9/22/26 | 74.5 4.6 | 1547 | 50.8 1.8 | 0101 | 52.1 0.1 | 95 0 | 47 9 | 1.5 | 8.7 2.5 | 1500 | S | 183 | 0.00 | 0.31 | 0.105 0.025 | 366 77 | 80 10 |
| Wappo Hill Floor | 9/22/26 | 77.0 4.3 | 1534 | 54.9 2.3 | 0101 | 53.7 0.1 | 94 5 | 47 7 | 2.7 | 12.3 1.4 | 1719 | SE | 125 | 0.00 | 0.10 | 0.120 0.027 | 393 76 | 70 10 |
| Stags Leap Dist (Chimney Rock) | 9/22/26 | 75.3 4.4 | 1532 | 54.6 2.8 | 0101 | 55.4 0.3 | 96 1 | 56 8 | 2.4 | 11.5 0.8 | 1514 | ESE | 112 | 0.00 | 0.10 | 0.104 0.024 | 356 74 | 70 10 |
| Yountville-South (Ranch 87) | 9/22/26 | 78.2 4.2 | 1451 | 55.0 3.9 | 0101 | 54.2 0.1 | 92 8 | 45 7 | 1.7 | 9.7 2.7 | 1614 | SE | 137 | 0.00 | 0.09 | 0.116 0.026 | 391 82 | 100 20 |
| Yountville-SE (Ranch 85) | 9/22/26 | 74.9 4.5 | 1517 | 54.8 3.8 | 0101 | 54.4 0.1 | 92 2 | 52 8 | 2.7 | 12.7 0.2 | 1533 | S | 190 | 0.00 | 0.08 | - | 0 0 | 70 10 |
| Oak Knoll-East (Ranch 53) | 9/22/26 | 75.4 4.4 | 1440 | 54.9 4.2 | 0638 | 53.4 0.1 | 90 1 | 48 8 | 2.1 | 13.4 1.7 | 1617 | SE | 141 | 0.00 | 0.15 | 0.118 0.028 | 400 85 | 70 10 |
| Napa-NW (Ranch 54) | 9/22/26 | 77.5 5.2 | 1536 | 54.4 3.5 | 2255 | 53.6 0.1 | 91 2 | 46 9 | 0.7 | 6.7 0.1 | 1743 | SE | 129 | 0.00 | 0.18 | - | 0 0 | 100 20 |
| Napa-North (Ranch 29) | 9/22/26 | 74.5 4.1 | 1523 | 52.2 1.2 | 0101 | 54.7 0.4 | 100 0 | 50 8 | 1.4 | 11.9 0.8 | 1432 | SSW | 206 | 0.00 | 0.10 | 0.088 0.020 | 297 63 | 70 10 |
| Max | 84.1 | - | 55.0 | - | 55.4 | 100 | 56 | 3.4 | 15.6 | - | - | 0.00 | 0.31 | 0.136 | 447 | - | |
| Avg | - | - | - | - | 53.3 | - | - | 2.2 | - | - | - | - | - | - | - | - | |
| Min | 74.5 | - | 49.9 | - | 51.5 | 85 | 33 | 0.7 | 6.7 | - | - | 0.00 | 0.00 | 0.019 | 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 | 9/22/26 | 75.4 4.0 | 1509 | 48.4 0.9 | 0429 | 51.9 0.2 | 100 0 | 46 7 | 1.2 | 9.1 0.9 | 1403 | SE | 146 | 0.00 | 0.45 | 0.332 0.022 | - | 70 10 |
| Mount George (Napa East) | 9/22/26 | 76.7 11.0 | 1342 | 53.6 2.2 | 0101 | 54.5 0.6 | 94 6 | 51 9 | 1.4 | 8.9 2.7 | 1502 | WSW | 242 | 0.00 | 0.16 | 0.110 0.030 | 396 99 | 70 10 |
| Napa-East (Palmaz 300') | 9/22/26 | 78.4 4.8 | 1359 | 53.8 1.8 | 0721 | 53.4 0.0 | 100 0 | 42 9 | 1.0 | 10.4 1.1 | 1141 | SW | 222 | 0.00 | 0.16 | 0.107 0.031 | 355 94 | 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') | 9/22/26 | 72.3 6.5 | 1423 | 49.9 1.0 | 0701 | 53.1 0.1 | 100 0 | 53 15 | 2.6 | 10.8 1.2 | 1519 | SW | 234 | 0.00 | 0.33 | 0.107 0.036 | 413 116 | 70 10 |
| Wooden Valley | 9/22/26 | 76.6 6.1 | 1541 | 51.5 1.3 | 0712 | 51.9 0.3 | 96 0 | 44 10 | 4.0 | 14.2 3.0 | 0352 | WSW | 251 | 0.00 | 0.04 | 0.134 0.018 | 468 17 | 70 10 |
| Napa-West Upper (Truchard) | 9/22/26 | 74.7 3.3 | 1519 | 52.8 1.4 | 0101 | 29.9 6.8 | 100 0 | 0 0 | 2.6 | 14.3 1.1 | 1530 | S | 186 | 0.00 | 0.10 | 0.492 0.059 | - | 60 10 |
| Napa-West Lower (Truchard) | 9/22/26 | 74.5 3.3 | 1530 | 49.3 0.9 | 2240 | 52.3 0.3 | 92 2 | 49 6 | - | - | - | - | - | - | - | - | 60 10 |
| Napa-South (Toyon Farms) | 9/22/26 | 73.0 3.3 | 1347 | 54.6 1.6 | 0624 | 55.6 0.6 | 97 1 | 59 6 | 3.2 | 14.0 2.8 | 1510 | SSE | 168 | 0.00 | 0.07 | 0.068 0.017 | 224 43 | 50 10 |
| Toyon Remote 1 | 9/22/26 | 72.8 3.5 | 1415 | 51.9 3.0 | 2230 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 2 | 9/22/26 | 71.9 3.1 | 1415 | 54.4 3.5 | 2156 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 3 | 9/22/26 | 72.6 2.8 | 1338 | 52.1 3.1 | 2229 | - | - | - | - | - | - | - | - | - | - | - | - |
| Dealy Lane (Ranch 80) | 9/22/26 | 72.6 3.4 | 1428 | 53.7 0.7 | 2239 | 53.2 0.2 | 92 1 | 53 6 | 2.2 | 14.0 2.5 | 1324 | SE | 137 | 0.00 | 0.08 | 0.110 0.022 | 392 69 | 70 10 |
| Carneros (Saintsbury) | 9/22/26 | 70.5 3.1 | 1526 | 51.4 0.5 | 0606 | 52.9 0.6 | 96 1 | 57 6 | 4.2 | 15.7 3.3 | 1653 | S | 182 | 0.00 | 0.08 | - | - | 50 10 |
| Suscol Lower (Ranch 35) | 9/22/26 | 71.9 2.3 | 1510 | 54.1 1.7 | 0601 | 53.2 0.2 | 92 0 | 53 4 | 4.1 | 13.8 5.4 | 1656 | S | 187 | 0.00 | 0.15 | 0.104 0.023 | 349 86 | 50 10 |
| Suscol Mtn (Ranch 93) | 9/22/26 | 73.9 3.5 | 1501 | 50.7 0.7 | 0726 | 53.8 0.4 | 100 0 | 56 7 | 5.5 | 15.7 1.7 | 0128 | NNW | 333 | 0.00 | 0.33 | - | - | 40 10 |
| Suscol Upper (Ranch 92) | 9/22/26 | 71.4 5.4 | 1557 | 51.3 0.6 | 0723 | 12.9 17.9 | 100 0 | 0 0 | 3.3 | 11.8 5.5 | 0101 | WSW | 255 | 0.00 | 0.15 | - | - | 0 10 |
| Stanly (Ranch 45) | 9/22/26 | 71.1 3.3 | 1501 | 53.3 1.6 | 0704 | 53.1 0.6 | 90 1 | 55 7 | 4.4 | 14.3 5.4 | 1713 | SSW | 195 | 0.00 | 0.15 | 0.114 0.024 | 393 80 | 60 10 |
| Carneros Upper (Ranch 81) | 9/22/26 | 73.5 3.1 | 1552 | 53.5 0.2 | 0701 | 51.1 1.9 | - | - | 5.2 | 15.3 4.8 | 1436 | S | 190 | - | - | - | - | 50 10 |
| Carneros (Mitsuko) | 9/22/26 | 71.3 2.0 | 1613 | 54.1 3.0 | 2243 | - | - | - | - | - | - | - | - | - | - | - | 50 10 |
| Carneros Lower (Ranch 81) | 9/22/26 | 73.5 3.1 | 1407 | 54.2 0.2 | 2246 | 54.0 0.4 | 92 1 | 54 5 | 1.5 | 12.2 3.7 | 1443 | S | 174 | 0.00 | 0.01 | 0.017 0.001 | 6 5 | 50 10 |
| Carneros (Milton Rd) | 9/22/26 | 70.7 2.1 | 1545 | 55.4 5.2 | 0513 | 54.0 0.9 | 89 2 | 57 4 | - | - | - | - | 0.00 | 0.00 | - | - | 50 10 |
| Max | 78.4 | - | 55.4 | - | 55.6 | 100 | 59 | 5.5 | 15.7 | - | - | 0.00 | 0.45 | 0.492 | 468 | - | |
| Avg | - | - | - | - | 49.5 | - | - | 3.1 | - | - | - | - | - | - | - | - | |
| Min | 70.5 | - | 48.4 | - | 12.9 | 89 | 0 | 1.0 | 8.9 | - | - | 0.00 | 0.00 | 0.017 | 6 | - |