| 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 | 12/11/25 | 75.4 2.1 | 1331 | 45.5 2.3 | 0703 | - | - | - | - | - | - | - | 0.00 | 11.97 | - | - | - |
| Pope Valley (Weeks Lake) | 12/11/25 | 70.5 2.5 | 1434 | 32.2 2.2 | 2150 | 40.3 0.4 | 100 0 | 40 9 | 0.8 | 4.2 1.1 | 1148 | SE | 129 | 0.01 | 5.57 | 0.037 0.002 | 184 4 | 0 0 |
| Whiskey River Winery | 12/11/25 | 65.8 1.1 | 1447 | 33.4 0.6 | 2125 | 39.8 0.3 | 99 0 | 50 0 | 1.1 | 12.9 8.8 | 1502 | E | 92 | 0.59 | 6.75 | - | - | - |
| Dollarhide Base | 12/11/25 | 65.0 0.8 | 1424 | 37.0 0.2 | 0742 | 43.8 0.4 | 100 0 | 59 2 | 1.2 | 4.6 5.2 | 0140 | E | 94 | 0.01 | 4.86 | 0.040 0.001 | 195 6 | - |
| Dollarhide 1AS Remote | 12/11/25 | 68.2 0.3 | 1417 | 31.6 3.0 | 2129 | 40.6 0.6 | 95 0 | 54 4 | 1.1 | 5.9 0.7 | 0428 | SSE | 152 | - | - | - | - | - |
| Dollarhide 17B Remote | 12/11/25 | 68.2 1.2 | 1426 | 35.4 2.6 | 2227 | 43.2 0.0 | 100 0 | 55 3 | - | - | - | - | - | - | - | - | - |
| Dollarhide 18A Remote | 12/11/25 | 66.5 0.0 | 1516 | 31.6 1.7 | 2119 | 41.5 0.1 | 100 0 | 59 1 | - | - | - | - | - | - | - | - | - |
| Angwin | 12/11/25 | 68.0 0.1 | 1322 | 56.4 1.6 | 0627 | 28.1 7.5 | 43 10 | 17 4 | 8.3 | 19.4 3.2 | 0150 | NNW | 338 | 0.00 | 10.82 | 0.117 0.020 | 0 0 | 0 0 |
| Lower Angwin (Pioneer) | 12/11/25 | 71.3 1.1 | 1437 | 44.0 6.5 | 1746 | - | - | - | 3.6 | 10.7 1.8 | 1126 | NNE | 29 | - | - | - | - | - |
| Deer Park | 12/11/25 | 57.2 4.0 | 1511 | 36.8 1.8 | 0711 | 42.2 1.2 | 99 0 | 68 6 | 1.6 | 6.4 0.6 | 1524 | SSE | 147 | 0.02 | 6.26 | 0.025 0.005 | 130 18 | - |
| Lower Chiles Valley (Brown) | 12/11/25 | 66.5 6.5 | 1436 | 32.7 0.1 | 2256 | 39.4 0.0 | 100 0 | 47 10 | 3.0 | 10.5 0.2 | 1101 | NE | 46 | 0.00 | 1.48 | 0.052 0.001 | 228 10 | 0 0 |
| Moss Creek Vineyard/Reservior | 12/11/25 | 61.6 0.0 | 1304 | 34.2 0.6 | 0800 | 40.6 0.5 | 100 0 | 60 1 | - | - | - | - | 0.00 | 6.17 | - | - | - |
| Max | 75.4 | - | 56.4 | - | 43.8 | 100 | 68 | 8.3 | 19.4 | - | - | 0.59 | 11.97 | 0.117 | 228 | - | |
| Avg | - | - | - | - | 40.0 | - | - | 2.6 | - | - | - | - | - | - | - | - | |
| Min | 57.2 | - | 31.6 | - | 28.1 | 43 | 17 | 0.8 | 4.2 | - | - | 0.00 | 1.48 | 0.025 | 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 | 12/11/25 | 54.1 3.0 | 1511 | 37.2 0.2 | 2114 | 42.1 0.4 | 100 0 | 82 6 | - | - | - | - | 0.01 | 7.39 | - | - | - |
| Fotsch (Maple Lane) | 12/11/25 | 55.3 3.9 | 1428 | 33.9 1.0 | 2008 | 40.5 0.1 | 98 0 | 67 10 | 1.5 | 7.5 0.1 | 1515 | ESE | 113 | 0.01 | 6.46 | - | - | - |
| Diamond Mtn (Schramsberg) | 12/11/25 | 51.5 2.7 | 1617 | 35.6 0.5 | 0746 | 41.8 0.7 | 100 0 | 74 12 | - | - | - | - | 0.01 | 6.81 | - | - | - |
| Diamond Mtn (McEachran) | 12/11/25 | 51.8 2.5 | 1412 | 36.8 0.2 | 0759 | 42.1 0.7 | 100 0 | 84 9 | - | - | - | - | - | - | - | - | - |
| St. Helena-North | 12/11/25 | 55.3 7.4 | 1448 | 38.2 0.2 | 2001 | 40.5 0.4 | 95 0 | 67 20 | 1.3 | 6.6 0.4 | 1411 | SSE | 163 | 0.01 | 6.01 | 0.021 0.006 | 105 29 | - |
| St. Helena (NVV Office) | 12/11/25 | 56.6 5.4 | 1520 | 38.8 0.3 | 2034 | - | - | - | 0.5 | 3.7 1.0 | 1121 | E | 89 | 0.00 | 5.87 | - | - | - |
| Tiara Fria (East St. Helena) | 12/11/25 | 55.9 2.9 | 1559 | 35.1 0.9 | 2039 | 40.9 0.1 | 97 0 | 69 5 | 0.8 | 5.3 0.9 | 0841 | SSE | 162 | 0.01 | 5.70 | - | - | - |
| Rutherford Hill Estate | 12/11/25 | 59.9 6.0 | 1554 | 39.4 0.4 | 0726 | 42.8 0.1 | 100 0 | 63 16 | 0.8 | 5.5 0.4 | 1317 | S | 171 | 0.00 | 4.02 | 0.025 0.008 | 137 40 | 0 0 |
| Rutherford-North (Mee Ln) | 12/11/25 | 58.6 13.3 | 1540 | 33.6 0.6 | 0729 | 36.5 0.8 | 98 0 | 64 24 | 0.9 | 5.0 0.9 | 1147 | ESE | 108 | 0.00 | 5.10 | 0.022 0.008 | 128 44 | 0 0 |
| Rutherford (STS) | 12/11/25 | 59.7 8.8 | 1523 | 35.8 2.3 | 2014 | 39.2 0.1 | 90 0 | 69 14 | 0.9 | 4.7 0.5 | 1113 | ESE | 119 | 0.01 | 5.75 | 0.024 0.009 | 119 51 | - |
| Oakville-NE (Ranch 88) | 12/11/25 | 60.5 8.4 | 1548 | 34.6 2.2 | 2110 | 40.0 0.8 | 96 0 | 56 19 | 0.5 | 4.7 1.0 | 1059 | SSE | 156 | 0.01 | 5.56 | 0.027 0.007 | 142 36 | 0 0 |
| OV561-East | 12/11/25 | 61.3 7.2 | 1525 | 34.3 2.1 | 2114 | - | - | - | - | - | - | - | - | - | - | - | - |
| Oakville | 12/11/25 | 58.5 7.2 | 1505 | 34.8 1.2 | 2024 | 40.5 0.8 | 98 0 | 61 17 | 1.0 | 4.4 0.4 | 1151 | WSW | 256 | 0.00 | 5.46 | 0.026 0.007 | 137 33 | - |
| OV518-West | 12/11/25 | 54.9 4.6 | 1530 | 36.1 0.9 | 2022 | - | - | - | - | - | - | - | - | - | - | - | - |
| To Kalon Remote (TKKE) | 12/11/25 | 59.6 8.5 | 1500 | 33.3 2.5 | 1937 | - | - | - | - | - | - | - | - | - | - | - | - |
| To Kalon | 12/11/25 | 57.4 6.0 | 1506 | 34.8 4.1 | 2127 | 41.4 0.8 | 100 0 | 68 16 | 1.2 | 4.2 2.1 | 0533 | WSW | 249 | 0.00 | 5.86 | 0.023 0.005 | 123 24 | - |
| To Kalon Remote (TKN5) | 12/11/25 | 58.3 6.4 | 1517 | 34.1 1.9 | 2034 | - | - | - | - | - | - | - | - | - | - | - | - |
| Yountville (Ranch 67) | 12/11/25 | 57.8 3.9 | 1432 | 33.3 3.1 | 2046 | 39.7 1.4 | 98 0 | 58 13 | 1.2 | 6.9 1.0 | 1631 | SSE | 168 | 0.00 | 4.75 | 0.037 0.008 | 274 31 | - |
| Stags Leap Dist (Silverado Vineyards) | 12/11/25 | 58.4 2.4 | 1421 | 33.0 4.8 | 2038 | 39.5 1.5 | 97 0 | 57 9 | 0.8 | 5.9 0.4 | 1546 | SSE | 148 | 0.01 | 6.02 | 0.031 0.008 | 150 35 | - |
| Borreo (Soda Canyon) | 12/11/25 | 57.6 2.7 | 1441 | 31.4 5.7 | 2355 | 38.9 1.6 | 99 0 | 60 7 | 1.4 | 5.3 0.3 | 1224 | SW | 225 | 0.00 | 6.84 | 0.037 0.008 | 199 40 | - |
| Wappo Hill Floor | 12/11/25 | 59.4 2.5 | 1449 | 32.4 6.2 | 2139 | 40.8 1.7 | 100 0 | 59 7 | 1.3 | 6.3 0.7 | 1523 | S | 183 | 0.00 | 5.87 | 0.034 0.007 | 171 29 | - |
| Stags Leap Dist (Chimney Rock) | 12/11/25 | 60.2 2.5 | 1438 | 32.3 8.4 | 2214 | - | - | - | 1.6 | 7.7 0.7 | 1342 | SSW | 195 | 0.00 | 6.24 | 0.039 0.008 | 148 26 | 0 0 |
| Yountville-South (Ranch 87) | 12/11/25 | 59.7 3.9 | 1443 | 33.5 5.0 | 2111 | 41.3 1.7 | 100 0 | 59 9 | 0.9 | 6.0 0.0 | 1511 | SSE | 165 | 0.00 | 5.91 | 0.034 0.006 | 167 27 | - |
| Yountville-SE (Ranch 85) | 12/11/25 | 59.2 2.4 | 1425 | 34.8 5.4 | 2141 | 41.5 1.6 | 100 0 | 61 5 | 1.1 | 6.4 0.8 | 1515 | S | 170 | 0.00 | 5.90 | - | 0 0 | 0 0 |
| Oak Knoll-East (Ranch 53) | 12/11/25 | 60.0 3.6 | 1354 | 34.1 5.1 | 2143 | 40.6 1.9 | 96 1 | 55 7 | 1.1 | 6.3 0.6 | 1631 | S | 173 | 0.00 | 6.43 | 0.035 0.006 | 172 30 | - |
| Napa-NW (Ranch 54) | 12/11/25 | 57.1 1.8 | 1419 | 34.3 5.7 | 2155 | 41.1 1.9 | 100 0 | 63 3 | 1.2 | 7.4 0.1 | 1541 | S | 170 | 0.00 | 6.63 | - | 0 0 | 0 0 |
| Napa-North (Ranch 29) | 12/11/25 | 59.4 3.7 | 1444 | 36.2 4.7 | 2136 | 42.3 1.1 | 100 0 | 58 7 | 0.8 | 7.1 0.1 | 1506 | S | 184 | 0.00 | 6.44 | 0.026 0.002 | 122 15 | - |
| Max | 61.3 | - | 39.4 | - | 42.8 | 100 | 84 | 1.6 | 7.7 | - | - | 0.01 | 7.39 | 0.039 | 274 | - | |
| Avg | - | - | - | - | 40.7 | - | - | 1.0 | - | - | - | - | - | - | - | - | |
| Min | 51.5 | - | 31.4 | - | 36.5 | 90 | 55 | 0.5 | 3.7 | - | - | 0.00 | 4.02 | 0.021 | 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 | 12/11/25 | 68.5 2.3 | 0912 | 55.3 2.2 | 0321 | 34.5 7.0 | 59 9 | 24 16 | 1.3 | 6.6 0.6 | 0943 | NW | 315 | 0.00 | 8.39 | 0.053 0.007 | 146 2 | 0 0 |
| Mount George (Napa East) | 12/11/25 | 63.5 4.7 | 1223 | 32.4 8.7 | 2201 | 45.4 1.0 | 100 0 | 65 4 | 0.9 | 6.1 0.1 | 1258 | WNW | 298 | 0.00 | 2.99 | 0.042 0.007 | 194 22 | - |
| Napa-East (Palmaz 300') | 12/11/25 | 58.4 0.4 | 1403 | 34.6 3.0 | 2235 | 41.0 1.1 | 100 0 | 59 3 | 1.0 | 5.8 0.6 | 1456 | SW | 235 | 0.00 | 6.01 | 0.034 0.002 | 168 12 | - |
| Napa-East (Palmaz 1200') | 12/11/25 | 60.8 5.5 | 1029 | 38.9 0.2 | 0057 | 39.2 1.1 | 100 0 | 5 1 | 4.7 | 16.7 3.1 | 0004 | NNE | 12 | - | - | 0.053 0.011 | 228 9 | - |
| Napa-East (Palmaz 1400') | 12/11/25 | 62.1 6.1 | 1246 | 34.9 2.4 | 2238 | 39.0 1.7 | 100 0 | 46 22 | 4.9 | 10.2 0.9 | 0002 | NNW | 346 | 0.01 | 8.11 | 0.051 0.010 | 229 3 | - |
| Wooden Valley | 4/30/25 | 78.8 0.4 | 1303 | 51.0 7.3 | 0600 | 49.9 1.6 | 90 5 | 34 2 | 4.0 | 16.6 0.3 | 0031 | SW | 220 | 0.00 | 30.39 | 0.212 0.008 | 668 2 | 0 0 |
| Napa-West Upper (Truchard) | 12/11/25 | 55.8 2.1 | 1344 | 38.5 3.2 | 2136 | - | - | - | 1.7 | 9.9 1.2 | 1435 | S | 180 | 0.00 | 6.09 | 0.041 0.009 | 196 76 | 0 0 |
| Napa-West Lower (Truchard) | 12/11/25 | 56.1 1.4 | 1406 | 33.7 8.9 | 2119 | 40.8 2.2 | 95 4 | 66 3 | - | - | - | - | - | - | - | - | 0 0 |
| Napa-South (Toyon Farms) | 12/11/25 | 55.2 1.7 | 1426 | 40.2 2.3 | 2251 | 43.6 0.8 | 100 0 | 74 4 | 1.0 | 8.3 0.8 | 1316 | S | 174 | 0.00 | 2.34 | 0.024 0.008 | 114 25 | 0 0 |
| Toyon Remote 1 | 12/11/25 | 55.8 1.5 | 1343 | 37.0 5.8 | 1944 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 2 | 12/11/25 | 54.1 1.7 | 1310 | 39.6 3.2 | 1923 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 3 | 12/11/25 | 55.9 0.2 | 1320 | 36.1 6.8 | 1937 | - | - | - | - | - | - | - | - | - | - | - | - |
| Dealy Lane (Ranch 80) | 12/11/25 | 54.9 2.9 | 1411 | 38.4 3.6 | 1927 | 41.5 1.3 | 97 0 | 68 7 | 1.5 | 8.6 1.8 | 1455 | SE | 140 | 0.00 | 5.78 | 0.037 0.012 | 189 60 | - |
| Carneros (Saintsbury) | 12/11/25 | 54.2 1.3 | 1352 | 38.2 0.4 | 1923 | 40.6 0.7 | 100 0 | 69 5 | 2.3 | 9.8 2.3 | 1453 | SSE | 152 | 0.00 | 1.64 | - | - | 0 0 |
| Suscol Lower (Ranch 35) | 12/11/25 | 55.6 1.3 | 1340 | 34.9 5.5 | 2020 | 41.6 0.8 | - | - | 1.9 | 8.6 1.8 | 1325 | SSE | 166 | 0.00 | 5.62 | 0.036 0.001 | 180 10 | - |
| Suscol Mtn (Ranch 93) | 12/11/25 | 57.1 1.5 | 1320 | 37.4 1.8 | 2339 | 41.0 0.4 | 100 0 | 64 9 | 3.0 | 16.1 1.6 | 0044 | E | 83 | 0.01 | 6.01 | - | - | - |
| Suscol Upper (Ranch 92) | 12/11/25 | 54.7 0.0 | 1414 | 36.5 2.8 | 2355 | 41.0 1.0 | 100 0 | 66 3 | 2.2 | 10.8 2.5 | 0714 | NE | 40 | 0.01 | 5.74 | - | - | 0 0 |
| Stanly (Ranch 45) | 12/11/25 | 53.9 0.1 | 1241 | 33.5 4.8 | 2002 | 39.7 1.0 | 98 0 | 67 2 | 2.6 | 12.5 2.5 | 1626 | ESE | 112 | 0.00 | 6.59 | 0.041 0.012 | 210 58 | 0 0 |
| Carneros Upper (Ranch 81) | 12/11/25 | 52.7 2.9 | 1400 | 40.8 0.1 | 0728 | 22.2 1.5 | - | - | 3.7 | 9.9 0.6 | 2102 | W | 269 | - | - | - | - | - |
| Carneros (Mitsuko) | 12/11/25 | 54.6 2.5 | 1314 | 39.0 3.2 | 1959 | - | - | - | - | - | - | - | - | - | - | - | - |
| Carneros Lower (Ranch 81) | 12/11/25 | 53.1 1.4 | 1257 | 35.1 6.5 | 1931 | 41.8 1.4 | 100 0 | 72 5 | 1.3 | 8.6 1.3 | 1433 | SSE | 163 | 0.00 | 4.76 | 0.024 0.006 | 111 25 | - |
| Carneros (Milton Rd) | 12/11/25 | 52.1 0.7 | 1343 | 36.0 7.3 | 2100 | 41.5 1.2 | 95 1 | 73 0 | - | - | - | - | 0.00 | 4.63 | - | - | - |
| Max | 68.5 | - | 55.3 | - | 45.4 | 100 | 74 | 4.9 | 16.7 | - | - | 0.01 | 8.39 | 0.053 | 229 | - | |
| Avg | - | - | - | - | 39.7 | - | - | 2.3 | - | - | - | - | - | - | - | - | |
| Min | 52.1 | - | 32.4 | - | 22.2 | 59 | 5 | 0.9 | 5.8 | - | - | 0.00 | 1.64 | 0.024 | 111 | - |