| 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 | 3/13/26 | 76.9 1.5 | 1534 | 42.3 0.5 | 0714 | - | - | - | - | - | - | - | 0.00 | 42.33 | - | - | 0 0 |
| Pope Valley (Weeks Lake) | 3/13/26 | 80.1 3.7 | 1455 | 31.6 1.4 | 0735 | 41.0 1.4 | 100 0 | 21 12 | 1.1 | 7.7 3.3 | 1314 | S | 173 | 0.00 | 21.60 | 0.115 0.022 | 393 56 | 100 10 |
| Whiskey River Winery | 12/13/25 | 52.8 3.6 | 1548 | 37.3 0.3 | 0759 | 36.3 2.0 | 88 11 | 68 4 | 0.0 | 0.0 2.4 | 0001 | SE | 128 | 0.00 | 7.07 | - | - | - |
| Dollarhide Base | 3/13/26 | 81.4 0.8 | 1424 | 39.0 1.3 | 0650 | 46.3 1.0 | 100 0 | 27 10 | 1.8 | 11.2 2.6 | 1640 | SW | 216 | 0.00 | 19.16 | 0.128 0.027 | 417 73 | 100 10 |
| Dollarhide 1AS Remote | 3/13/26 | 80.7 3.0 | 1423 | 32.8 2.7 | 0721 | 43.2 0.9 | 96 0 | 26 11 | 0.9 | 9.9 3.3 | 1520 | SW | 222 | - | - | - | - | 100 10 |
| Dollarhide 17B Remote | 3/13/26 | 81.3 3.1 | 1421 | 35.0 0.8 | 0747 | 45.0 0.9 | 100 0 | 26 12 | - | - | - | - | - | - | - | - | 100 10 |
| Dollarhide 18A Remote | 3/13/26 | 80.3 3.3 | 1444 | 31.3 1.3 | 0645 | 42.5 1.0 | 100 0 | 26 12 | - | - | - | - | - | - | - | - | 80 20 |
| Angwin | 3/13/26 | 71.1 2.0 | 1332 | 54.2 2.8 | 0717 | 31.5 0.9 | 56 10 | 13 6 | 4.8 | 21.2 8.9 | 0009 | NW | 319 | 0.00 | 38.60 | 0.070 0.014 | 0 0 | 0 0 |
| Lower Angwin (Pioneer) | 3/13/26 | 73.4 2.4 | 1424 | 40.9 1.9 | 0558 | - | - | - | 2.5 | 12.3 1.2 | 0944 | N | 5 | - | - | - | - | 0 0 |
| Deer Park | 3/13/26 | 78.9 2.7 | 1434 | 48.7 2.1 | 0744 | 41.0 0.3 | 60 8 | 21 9 | 3.7 | 16.5 4.5 | 2341 | NNW | 327 | 0.00 | 23.61 | 0.120 0.009 | 309 33 | 100 10 |
| Lower Chiles Valley (Brown) | 3/13/26 | 78.8 1.6 | 1357 | 34.5 1.5 | 0717 | 41.9 0.1 | 100 0 | 16 4 | 1.3 | 11.8 0.3 | 1311 | NE | 53 | 0.00 | 20.67 | 0.127 0.022 | 411 76 | 60 60 |
| Moss Creek Vineyard/Reservior | 3/13/26 | 79.1 6.7 | 1431 | 38.7 1.6 | 0639 | 44.6 0.9 | 100 0 | 28 12 | - | - | - | - | 0.00 | 23.37 | - | - | 0 0 |
| Max | 81.4 | - | 54.2 | - | 46.3 | 100 | 28 | 4.8 | 21.2 | - | - | 0.00 | 42.33 | 0.128 | 417 | - | |
| Avg | - | - | - | - | 41.9 | - | - | 2.3 | - | - | - | - | - | - | - | - | |
| Min | 71.1 | - | 31.3 | - | 31.5 | 56 | 13 | 0.9 | 7.7 | - | - | 0.00 | 19.16 | 0.070 | 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 | 3/13/26 | 82.0 2.3 | 1333 | 40.0 0.1 | 0702 | 43.7 1.0 | 94 4 | 22 3 | - | - | - | - | 0.00 | 27.89 | - | - | 100 0 |
| Fotsch (Maple Lane) | 3/9/26 | 75.9 3.7 | 1625 | 41.4 5.5 | 0743 | 44.5 1.8 | 97 3 | 26 3 | 3.3 | 15.6 1.3 | 1413 | WSW | 249 | 0.00 | 26.01 | - | - | 0 0 |
| Diamond Mtn (Schramsberg) | 3/13/26 | 78.7 2.0 | 1557 | 47.7 5.4 | 0557 | 39.9 0.2 | 71 10 | 20 6 | - | - | - | - | 0.00 | 26.40 | - | - | 0 0 |
| Diamond Mtn (McEachran) | 3/13/26 | 79.4 1.8 | 1626 | 47.3 2.3 | 0738 | 40.8 0.9 | 70 6 | 20 8 | - | - | - | - | - | - | - | - | 60 60 |
| St. Helena-North | 3/13/26 | 81.2 4.1 | 1410 | 39.6 2.3 | 0724 | 42.0 1.5 | 86 5 | 23 14 | 1.8 | 10.3 2.2 | 1620 | S | 173 | 0.00 | 26.66 | 0.110 0.010 | 339 44 | 100 0 |
| St. Helena (NVV Office) | 3/13/26 | 79.1 6.5 | 1512 | 40.6 3.1 | 0648 | - | - | - | 1.6 | 10.0 4.1 | 0018 | WNW | 303 | 0.00 | 23.51 | - | - | 100 0 |
| Tiara Fria (East St. Helena) | 3/13/26 | 76.8 5.5 | 1515 | 39.0 2.7 | 0713 | 45.0 0.3 | 94 2 | 31 10 | 2.1 | 10.0 1.6 | 2318 | NW | 323 | 0.00 | 21.80 | - | - | 100 10 |
| Rutherford Hill Estate | 3/13/26 | 77.4 5.8 | 1523 | 45.8 3.1 | 0743 | 44.6 1.4 | 77 2 | 29 1 | 1.4 | 9.0 1.1 | 1344 | S | 178 | 0.00 | 21.35 | 0.105 0.018 | 349 64 | 100 10 |
| Rutherford-North (Mee Ln) | 3/13/26 | 76.1 6.6 | 1528 | 37.0 2.6 | 0647 | 45.3 0.7 | 94 0 | 34 4 | 1.9 | 9.9 2.0 | 1357 | ESE | 122 | 0.00 | 20.49 | 0.111 0.015 | 362 59 | 100 10 |
| Rutherford (STS) | 3/13/26 | 77.5 3.9 | 1356 | 38.4 2.7 | 0713 | 47.4 0.8 | 93 0 | 39 2 | 2.0 | 9.9 2.3 | 1424 | ESE | 104 | 0.00 | 21.65 | 0.127 0.021 | 433 68 | 100 10 |
| Oakville-NE (Ranch 88) | 3/13/26 | 76.8 4.2 | 1449 | 36.7 1.9 | 0742 | 43.8 0.9 | 98 4 | 30 1 | 1.3 | 10.6 3.1 | 1402 | S | 180 | 0.00 | 21.19 | 0.122 0.015 | 412 58 | 0 0 |
| OV561-East | 3/13/26 | 77.8 6.8 | 1637 | 38.2 1.8 | 0611 | - | - | - | - | - | - | - | - | - | - | - | 100 0 |
| Oakville | 3/13/26 | 76.4 4.0 | 1728 | 37.6 1.9 | 0647 | 44.3 0.9 | 97 0 | 33 4 | 2.4 | 11.8 2.8 | 1410 | SE | 130 | 0.00 | 21.73 | 0.127 0.017 | 419 64 | 100 10 |
| OV518-West | 3/13/26 | 76.3 3.6 | 1503 | 38.5 2.1 | 0653 | - | - | - | - | - | - | - | - | - | - | - | 100 10 |
| To Kalon Remote (TKKE) | 3/13/26 | 78.3 4.2 | 1506 | 36.8 1.9 | 0624 | - | - | - | - | - | - | - | - | - | - | - | 100 0 |
| To Kalon | 3/13/26 | 76.6 4.3 | 1717 | 38.1 3.0 | 0617 | 44.9 0.9 | 97 0 | 32 1 | 2.1 | 10.6 2.3 | 1407 | SE | 133 | 0.00 | 23.62 | 0.119 0.016 | 384 66 | 100 10 |
| To Kalon Remote (TKN5) | 3/13/26 | 79.1 3.8 | 1730 | 36.6 3.1 | 0640 | - | - | - | - | - | - | - | - | - | - | - | 100 0 |
| Yountville (Ranch 67) | 3/13/26 | 76.0 3.4 | 1717 | 37.1 1.9 | 0713 | 44.2 1.1 | 97 0 | 33 2 | 2.1 | 10.7 0.3 | 1514 | SSE | 151 | 0.00 | 19.96 | 0.126 0.017 | 458 38 | 60 60 |
| Stags Leap Dist (Silverado Vineyards) | 3/13/26 | 77.1 2.4 | 1713 | 37.5 2.0 | 0630 | 44.0 0.5 | 97 0 | 33 3 | 1.7 | 11.9 1.8 | 1901 | ESE | 119 | 0.00 | 23.91 | 0.128 0.016 | 432 39 | 0 0 |
| Borreo (Soda Canyon) | 3/13/26 | 77.0 1.4 | 1716 | 39.8 2.4 | 0729 | 44.2 0.5 | 96 0 | 32 1 | 1.8 | 7.2 0.3 | 1512 | SSE | 162 | 0.00 | 23.83 | 0.121 0.019 | 444 47 | 0 0 |
| Wappo Hill Floor | 3/13/26 | 80.7 1.6 | 1705 | 35.8 2.1 | 0718 | 44.7 0.7 | 100 0 | 30 1 | 1.8 | 10.5 1.6 | 1425 | SE | 132 | 0.00 | 23.28 | 0.125 0.017 | 408 56 | 100 10 |
| Stags Leap Dist (Chimney Rock) | 3/13/26 | 78.8 1.3 | 1705 | 37.5 0.9 | 0632 | 45.9 0.3 | 100 0 | 35 1 | 1.9 | 9.1 0.9 | 1357 | SSE | 162 | 0.00 | 22.51 | 0.115 0.014 | 389 46 | 60 60 |
| Yountville-South (Ranch 87) | 3/13/26 | 78.2 2.9 | 1659 | 37.8 1.6 | 0659 | 45.8 0.6 | 100 0 | 33 1 | 1.7 | 10.5 0.8 | 1423 | S | 172 | 0.00 | 23.66 | 0.108 0.016 | 353 46 | 100 0 |
| Yountville-SE (Ranch 85) | 3/13/26 | 79.3 2.2 | 1706 | 38.5 2.0 | 0622 | 45.4 0.6 | 100 0 | 31 0 | 1.5 | 9.4 1.2 | 1400 | SSE | 163 | 0.00 | 22.19 | - | 0 0 | 60 60 |
| Oak Knoll-East (Ranch 53) | 3/13/26 | 81.6 0.1 | 1655 | 38.4 1.6 | 0714 | 44.4 0.2 | 95 0 | 27 1 | 1.4 | 9.8 1.4 | 1739 | SSW | 207 | 0.00 | 20.46 | 0.121 0.012 | 407 40 | 100 0 |
| Napa-NW (Ranch 54) | 3/13/26 | 79.4 1.9 | 1631 | 39.8 2.1 | 0736 | 44.5 0.8 | 92 8 | 28 2 | 1.5 | 9.3 0.5 | 1455 | SE | 130 | 0.00 | 22.69 | - | 0 0 | 100 10 |
| Napa-North (Ranch 29) | 3/13/26 | 78.9 3.7 | 1707 | 39.9 1.4 | 0753 | 45.8 0.6 | 100 0 | 28 2 | 1.4 | 10.9 1.5 | 1737 | S | 188 | 0.00 | 20.32 | 0.090 0.011 | 264 43 | 60 60 |
| Max | 82.0 | - | 47.7 | - | 47.4 | 100 | 39 | 2.4 | 11.9 | - | - | 0.00 | 27.89 | 0.128 | 458 | - | |
| Avg | - | - | - | - | 44.3 | - | - | 1.8 | - | - | - | - | - | - | - | - | |
| Min | 76.0 | - | 35.8 | - | 39.9 | 70 | 20 | 1.3 | 7.2 | - | - | 0.00 | 19.96 | 0.090 | 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 | 3/13/26 | 73.2 4.1 | 1444 | 55.6 1.0 | 0635 | 36.8 0.9 | 54 3 | 18 5 | 1.5 | 7.0 0.6 | 0903 | N | 4 | 0.00 | 29.29 | 0.145 0.009 | 537 107 | 0 0 |
| Mount George (Napa East) | 3/13/26 | 78.4 4.0 | 1854 | 38.5 2.3 | 0720 | 45.4 0.0 | 98 1 | 27 3 | 1.0 | 8.0 0.7 | 1725 | W | 262 | 0.00 | 11.88 | 0.124 0.013 | 446 38 | 60 60 |
| Napa-East (Palmaz 300') | 3/13/26 | 79.1 1.9 | 1653 | 40.8 3.0 | 0722 | 45.1 0.3 | 100 5 | 25 3 | 1.4 | 8.6 0.7 | 1732 | SSW | 196 | 0.00 | 18.31 | 0.113 0.011 | 391 33 | 100 20 |
| Napa-East (Palmaz 1200') | 3/9/26 | 70.6 2.3 | 1500 | 43.0 5.0 | 0041 | 47.8 0.7 | 100 12 | 4 34 | 2.5 | 11.4 4.4 | 1611 | WNW | 292 | - | - | 0.115 0.012 | 432 5 | 0 0 |
| Napa-East (Palmaz 1400') | 3/13/26 | 75.0 0.1 | 1245 | 41.8 3.5 | 0659 | 42.3 1.0 | 86 0 | 31 0 | 2.5 | 10.4 1.3 | 0822 | NE | 34 | 0.00 | 24.80 | 0.131 0.011 | 440 39 | 0 0 |
| Wooden Valley | 3/13/26 | 75.0 3.3 | 1653 | 36.8 1.6 | 0655 | 45.7 1.2 | 98 0 | 29 0 | 2.0 | 12.2 0.6 | 1404 | SW | 228 | 0.00 | 24.00 | 0.127 0.014 | 437 47 | 60 60 |
| Napa-West Upper (Truchard) | 3/13/26 | 77.7 2.8 | 1655 | 43.9 5.4 | 0621 | 47.8 2.2 | 100 20 | 28 0 | 2.2 | 11.0 0.1 | 1736 | SSW | 207 | 0.00 | 20.16 | 0.132 0.017 | 437 42 | 0 0 |
| Napa-West Lower (Truchard) | 3/13/26 | 79.4 2.3 | 1459 | 35.1 2.2 | 0710 | 44.9 0.4 | 100 0 | 28 2 | - | - | - | - | - | - | - | - | 100 20 |
| Napa-South (Toyon Farms) | 3/13/26 | 77.5 2.7 | 1604 | 42.8 2.7 | 0741 | 49.6 0.7 | 99 0 | 35 2 | 2.4 | 13.2 4.4 | 1512 | SW | 215 | 0.00 | 13.94 | 0.071 0.009 | 208 25 | 40 10 |
| Toyon Remote 1 | 3/13/26 | 79.5 0.5 | 1616 | 37.0 1.3 | 0621 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 2 | 3/13/26 | 77.7 2.0 | 1618 | 38.1 1.3 | 0634 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 3 | 3/13/26 | 80.3 2.2 | 1620 | 37.0 1.5 | 0726 | - | - | - | - | - | - | - | - | - | - | - | - |
| Dealy Lane (Ranch 80) | 3/13/26 | 77.3 2.7 | 1607 | 40.0 1.2 | 0739 | 46.3 0.8 | 95 0 | 27 2 | 2.1 | 8.5 2.0 | 1217 | SSE | 167 | 0.00 | 19.35 | 0.127 0.017 | 456 36 | 0 0 |
| Carneros (Saintsbury) | 3/13/26 | 77.0 2.0 | 1605 | 39.3 2.6 | 0725 | 46.7 1.0 | 100 4 | 32 1 | 2.0 | 12.3 0.7 | 1720 | SSW | 197 | 0.00 | 5.62 | - | - | 0 0 |
| Suscol Lower (Ranch 35) | 3/13/26 | 76.8 2.5 | 1603 | 40.4 2.3 | 0654 | 45.5 1.1 | - | - | 3.2 | 11.8 0.3 | 1652 | SSW | 195 | 0.00 | 18.31 | 0.123 0.017 | 416 37 | 0 0 |
| Suscol Mtn (Ranch 93) | 3/13/26 | 75.3 1.8 | 1621 | 49.1 5.2 | 0713 | 44.0 1.0 | 80 11 | 26 2 | 2.7 | 12.1 2.4 | 1424 | WNW | 300 | 0.00 | 13.80 | - | - | 0 0 |
| Suscol Upper (Ranch 92) | 3/13/26 | 75.7 1.7 | 1538 | 48.6 4.2 | 0707 | 44.9 1.1 | 84 7 | 25 1 | 0.6 | 9.3 2.2 | 2303 | SSE | 164 | 0.00 | 18.16 | - | - | 0 0 |
| Stanly (Ranch 45) | 3/13/26 | 78.3 3.2 | 1601 | 41.0 0.7 | 0641 | 46.2 1.1 | 94 3 | 29 2 | 2.7 | 11.2 0.1 | 1713 | SW | 220 | 0.00 | 19.65 | 0.140 0.024 | 479 52 | 0 0 |
| Carneros Upper (Ranch 81) | 3/13/26 | 76.4 2.0 | 1655 | 48.1 1.1 | 0706 | 45.8 1.5 | - | - | 4.5 | 16.4 3.1 | 1917 | W | 281 | - | - | - | - | 0 0 |
| Carneros (Mitsuko) | 3/13/26 | 76.7 1.7 | 1611 | 35.0 1.5 | 0630 | - | - | - | - | - | - | - | - | - | - | - | 0 0 |
| Carneros Lower (Ranch 81) | 3/13/26 | 80.1 5.4 | 1523 | 39.8 1.4 | 0730 | 44.5 1.1 | 100 0 | 0 0 | 1.1 | 10.4 0.5 | 1922 | WNW | 298 | 0.00 | 16.94 | 0.098 0.009 | 347 19 | 0 0 |
| Carneros (Milton Rd) | 3/13/26 | 77.0 2.6 | 1618 | 39.0 1.3 | 0633 | 45.8 1.0 | 95 0 | 28 1 | - | - | - | - | 0.00 | 17.00 | - | - | 0 0 |
| Max | 80.3 | - | 55.6 | - | 49.6 | 100 | 35 | 4.5 | 16.4 | - | - | 0.00 | 29.29 | 0.145 | 537 | - | |
| Avg | - | - | - | - | 45.1 | - | - | 2.1 | - | - | - | - | - | - | - | - | |
| Min | 73.2 | - | 35.0 | - | 36.8 | 54 | 0 | 0.6 | 7.0 | - | - | 0.00 | 5.62 | 0.071 | 208 | - |