| 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 | 2/25/26 | 63.4 8.7 | 1312 | 45.4 5.6 | 2343 | - | - | - | - | - | - | - | 0.12 | 42.33 | - | - | - |
| Pope Valley (Weeks Lake) | 2/25/26 | 67.8 1.0 | 1424 | 46.9 6.2 | 2336 | 54.9 1.4 | 100 0 | 64 3 | 1.3 | 7.9 9.9 | 0030 | SW | 217 | 0.01 | 21.60 | 0.049 0.014 | 178 23 | 0 0 |
| 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 | 2/25/26 | 67.6 0.6 | 1359 | 52.2 2.6 | 2359 | 57.3 1.9 | 100 2 | 74 6 | 2.2 | 10.7 17.5 | 0212 | SSW | 193 | 0.01 | 19.16 | 0.048 0.027 | 178 76 | - |
| Dollarhide 1AS Remote | 2/25/26 | 67.6 0.4 | 1444 | 47.4 6.5 | 2331 | 55.5 0.8 | 94 0 | 74 7 | 1.4 | 10.4 16.2 | 0216 | S | 175 | - | - | - | - | - |
| Dollarhide 17B Remote | 2/25/26 | 67.7 0.9 | 1412 | 49.2 4.7 | 2345 | 56.7 1.2 | 100 2 | 74 8 | - | - | - | - | - | - | - | - | - |
| Dollarhide 18A Remote | 2/25/26 | 68.3 0.6 | 1447 | 47.1 6.4 | 2329 | 55.8 1.1 | 100 2 | 72 7 | - | - | - | - | - | - | - | - | - |
| Angwin | 2/25/26 | 58.6 5.4 | 1511 | 51.1 3.2 | 0742 | 51.0 0.0 | 100 0 | 51 43 | 2.7 | 11.0 12.4 | 0040 | S | 172 | 0.18 | 38.60 | 0.006 0.005 | 0 0 | 0 0 |
| Lower Angwin (Pioneer) | 2/25/26 | 61.3 4.9 | 1404 | 45.9 3.8 | 2326 | - | - | - | 2.3 | 10.7 6.1 | 0243 | SW | 218 | - | - | - | - | - |
| Deer Park | 2/25/26 | 65.0 1.0 | 1358 | 54.6 1.5 | 2356 | 56.1 2.5 | 100 1 | 73 4 | 2.8 | 11.3 8.1 | 0042 | SE | 136 | 0.07 | 23.60 | 0.035 0.001 | 113 44 | - |
| Lower Chiles Valley (Brown) | 2/25/26 | 63.7 1.4 | 1434 | 46.9 8.4 | 2333 | 54.6 2.3 | 100 7 | 75 18 | 1.8 | 9.7 12.2 | 0332 | NNW | 338 | 0.04 | 20.66 | 0.038 0.039 | 128 110 | 0 0 |
| Moss Creek Vineyard/Reservior | 2/25/26 | 66.7 0.1 | 1419 | 51.3 3.8 | 2356 | 55.0 2.4 | 100 6 | 67 13 | - | - | - | - | 0.05 | 23.36 | - | - | - |
| Max | 68.3 | - | 54.6 | - | 57.3 | 100 | 75 | 2.8 | 11.3 | - | - | 0.18 | 42.33 | 0.049 | 178 | - | |
| Avg | - | - | - | - | 55.2 | - | - | 2.1 | - | - | - | - | - | - | - | - | |
| Min | 58.6 | - | 45.4 | - | 51.0 | 94 | 51 | 1.3 | 7.9 | - | - | 0.01 | 19.16 | 0.006 | 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 | 2/25/26 | 69.5 3.2 | 1321 | 52.2 1.7 | 2243 | 57.3 0.8 | 100 0 | 72 2 | - | - | - | - | 0.11 | 27.89 | - | - | 0 0 |
| Fotsch (Maple Lane) | 2/25/26 | 67.0 0.8 | 1315 | 50.3 3.5 | 2303 | 55.9 0.8 | 97 1 | 68 5 | 2.0 | 9.4 8.8 | 1512 | W | 262 | 0.08 | 25.77 | - | - | - |
| Diamond Mtn (Schramsberg) | 2/25/26 | 63.8 0.8 | 1403 | 54.7 3.1 | 2351 | 56.5 1.7 | 100 0 | 81 7 | - | - | - | - | 0.10 | 26.40 | - | - | - |
| Diamond Mtn (McEachran) | 2/25/26 | 64.9 1.0 | 1346 | 53.9 0.9 | 2358 | 56.3 1.0 | 99 0 | 74 7 | - | - | - | - | - | - | - | - | - |
| St. Helena-North | 2/25/26 | 67.6 0.3 | 1404 | 51.0 2.8 | 2357 | 56.4 1.3 | 100 0 | 67 8 | 1.4 | 7.0 14.5 | 0034 | SSE | 147 | 0.10 | 26.65 | 0.035 0.013 | 116 21 | 0 0 |
| St. Helena (NVV Office) | 2/25/26 | 67.2 1.7 | 1444 | 51.4 3.5 | 2359 | - | - | - | 0.8 | 6.6 4.9 | 1559 | NNW | 329 | 0.04 | 23.50 | - | - | - |
| Tiara Fria (East St. Helena) | 2/25/26 | 67.2 0.3 | 1517 | 51.4 3.7 | 2351 | 56.6 1.9 | 98 0 | 70 8 | 1.6 | 8.1 13.9 | 0009 | SSE | 162 | 0.03 | 21.80 | - | - | - |
| Rutherford Hill Estate | 2/25/26 | 67.1 1.7 | 1453 | 55.4 0.5 | 2334 | 57.4 3.6 | 100 0 | 73 11 | 1.3 | 13.6 3.5 | 0031 | SE | 134 | 0.03 | 21.34 | 0.041 0.003 | 148 52 | 0 0 |
| Rutherford-North (Mee Ln) | 2/25/26 | 68.7 0.1 | 1452 | 47.0 4.2 | 2340 | 52.5 0.5 | 100 1 | 69 10 | 1.7 | 12.9 7.5 | 0114 | SE | 132 | 0.02 | 20.46 | 0.039 0.024 | 138 35 | 0 0 |
| Rutherford (STS) | 2/25/26 | 67.7 2.0 | 1514 | 51.8 3.3 | 2345 | 54.1 0.5 | 90 0 | 78 14 | 1.4 | 8.3 7.9 | 0056 | E | 100 | 0.04 | 21.64 | 0.045 0.017 | 157 31 | - |
| Oakville-NE (Ranch 88) | 2/25/26 | 66.7 0.1 | 1533 | 50.3 5.1 | 2335 | 56.2 2.7 | 97 1 | 71 16 | 0.1 | 6.0 11.3 | 1403 | N | 0 | 0.02 | 21.18 | 0.041 0.018 | 148 0 | 0 0 |
| OV561-East | 2/25/26 | 66.9 0.4 | 1500 | 52.2 3.2 | 2348 | - | - | - | - | - | - | - | - | - | - | - | - |
| Oakville | 2/25/26 | 66.2 0.1 | 1526 | 50.9 4.4 | 2341 | 56.8 2.8 | 98 0 | 72 17 | 2.1 | 12.9 8.4 | 0059 | ESE | 103 | 0.02 | 21.73 | 0.043 0.023 | 152 13 | - |
| OV518-West | 2/25/26 | 66.3 0.9 | 1512 | 52.1 3.7 | 2309 | - | - | - | - | - | - | - | - | - | - | - | - |
| To Kalon Remote (TKKE) | 2/25/26 | 67.0 0.7 | 1517 | 50.2 5.1 | 2334 | - | - | - | - | - | - | - | - | - | - | - | - |
| To Kalon | 2/25/26 | 66.7 1.3 | 1519 | 51.4 3.4 | 2332 | 57.4 2.7 | 100 2 | 76 15 | 1.7 | 10.6 7.6 | 0018 | SE | 144 | 0.02 | 23.59 | 0.034 0.031 | 118 62 | - |
| To Kalon Remote (TKN5) | 2/25/26 | 66.8 1.9 | 1507 | 50.7 5.4 | 2359 | - | - | - | - | - | - | - | - | - | - | - | - |
| Yountville (Ranch 67) | 2/25/26 | 65.8 0.1 | 1515 | 51.7 3.7 | 2319 | 56.4 3.3 | 98 1 | 72 16 | 2.5 | 13.0 10.9 | 0214 | SE | 139 | 0.15 | 19.86 | 0.050 0.025 | 194 23 | - |
| Stags Leap Dist (Silverado Vineyards) | 2/25/26 | 66.2 0.1 | 1537 | 52.1 3.3 | 2317 | 55.9 3.1 | 96 2 | 71 17 | 2.5 | 12.8 8.6 | 0207 | SE | 133 | 0.02 | 23.90 | 0.045 0.025 | 160 33 | - |
| Borreo (Soda Canyon) | 2/25/26 | 64.8 1.2 | 1412 | 50.7 2.3 | 2335 | 55.7 2.8 | 99 0 | 71 13 | 1.6 | 8.8 5.0 | 0027 | SSW | 193 | 0.08 | 23.82 | 0.044 0.007 | 166 2 | - |
| Wappo Hill Floor | 2/25/26 | 67.2 0.1 | 1402 | 50.2 3.9 | 2335 | 56.0 1.7 | 100 0 | 74 16 | 1.9 | 7.9 11.0 | 0022 | SE | 143 | 0.03 | 23.27 | 0.042 0.023 | 151 37 | - |
| Stags Leap Dist (Chimney Rock) | 2/25/26 | 67.1 0.5 | 1512 | 52.5 2.0 | 2320 | 0.8 31.1 | - | - | 1.9 | 10.5 8.8 | 0012 | SE | 145 | 0.02 | 20.38 | 0.063 0.016 | 130 39 | 0 0 |
| Yountville-South (Ranch 87) | 2/25/26 | 66.7 0.8 | 1451 | 51.9 2.0 | 2348 | 57.9 2.8 | 100 0 | 75 16 | 1.7 | 10.7 8.7 | 0047 | SSE | 162 | 0.03 | 23.64 | 0.039 0.028 | 141 66 | - |
| Yountville-SE (Ranch 85) | 2/25/26 | 66.2 1.9 | 1531 | 51.7 2.7 | 2357 | 57.9 2.9 | 100 0 | 77 20 | 1.4 | 7.1 10.1 | 0005 | S | 187 | 0.04 | 22.18 | - | 0 0 | 0 0 |
| Oak Knoll-East (Ranch 53) | 2/25/26 | 67.1 0.1 | 1511 | 53.2 0.1 | 2253 | 57.0 2.8 | 97 1 | 71 17 | 1.7 | 9.2 9.5 | 0103 | SSE | 166 | 0.03 | 20.43 | 0.035 0.031 | 121 70 | - |
| Napa-NW (Ranch 54) | 2/25/26 | 67.0 0.6 | 1526 | 54.0 0.1 | 2336 | 57.8 2.6 | 100 0 | 72 16 | 1.6 | 9.1 8.5 | 0206 | SSE | 168 | 0.05 | 22.66 | - | 0 0 | 0 0 |
| Napa-North (Ranch 29) | 2/25/26 | 66.9 0.8 | 1540 | 53.6 0.3 | 2326 | 58.1 2.5 | 100 0 | 71 16 | 1.5 | 9.9 10.5 | 0038 | SSW | 194 | 0.05 | 20.32 | 0.028 0.025 | 93 47 | - |
| Max | 69.5 | - | 55.4 | - | 58.1 | 100 | 81 | 2.5 | 13.6 | - | - | 0.15 | 27.89 | 0.063 | 194 | - | |
| Avg | - | - | - | - | 54.0 | - | - | 1.6 | - | - | - | - | - | - | - | - | |
| Min | 63.8 | - | 47.0 | - | 0.8 | 90 | 67 | 0.1 | 6.0 | - | - | 0.02 | 19.86 | 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 | 2/25/26 | 59.8 0.5 | 1459 | 53.3 2.2 | 0326 | 55.1 2.8 | 100 0 | 69 3 | 1.5 | 9.1 13.7 | 0402 | S | 170 | 0.11 | 29.22 | 0.056 0.005 | 331 32 | 0 0 |
| Mount George (Napa East) | 2/25/26 | 65.7 1.9 | 1622 | 54.1 1.5 | 2324 | 56.4 2.5 | 99 2 | 74 19 | 0.9 | 7.7 6.6 | 0331 | SE | 128 | 0.12 | 11.88 | 0.040 0.028 | 147 95 | - |
| Napa-East (Palmaz 300') | 2/25/26 | 66.8 2.4 | 1503 | 53.6 0.6 | 2335 | 57.5 2.6 | 100 0 | 70 17 | 1.3 | 9.1 5.5 | 0022 | W | 264 | 0.14 | 18.31 | 0.036 0.028 | 127 88 | - |
| Napa-East (Palmaz 1200') | 2/25/26 | 60.7 2.2 | 1547 | 49.6 3.9 | 2332 | 39.6 7.2 | 100 0 | 22 5 | 1.9 | 13.2 2.5 | 0114 | WNW | 297 | - | - | 0.050 0.014 | 126 74 | - |
| Napa-East (Palmaz 1400') | 2/25/26 | 59.8 2.5 | 1532 | 49.8 2.6 | 2258 | 55.4 2.4 | 100 0 | 100 35 | 2.4 | 15.1 5.0 | 0100 | SW | 217 | 0.32 | 24.79 | 0.032 0.022 | 139 71 | - |
| 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) | 2/25/26 | 66.4 0.1 | 1543 | 52.9 1.3 | 0710 | -17.5 33.3 | 100 0 | 0 0 | 3.0 | 13.2 11.7 | 0015 | S | 182 | 0.06 | 20.14 | 0.077 0.017 | 148 48 | 0 0 |
| Napa-West Lower (Truchard) | 2/25/26 | 67.9 0.2 | 1421 | 48.0 3.1 | 2359 | 55.2 1.3 | 100 0 | 72 12 | - | - | - | - | - | - | - | - | 0 0 |
| Napa-South (Toyon Farms) | 2/25/26 | 66.8 0.8 | 1525 | 54.6 0.4 | 2358 | 58.6 2.2 | 100 0 | 80 12 | 1.6 | 12.0 7.0 | 0123 | S | 187 | 0.06 | 13.94 | 0.022 0.008 | 89 1 | 0 0 |
| Toyon Remote 1 | 2/25/26 | 66.8 0.0 | 1548 | 50.3 2.9 | 2347 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 2 | 2/25/26 | 67.2 0.8 | 1527 | 49.5 3.3 | 2320 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 3 | 2/25/26 | 68.0 1.2 | 1613 | 49.8 3.1 | 2340 | - | - | - | - | - | - | - | - | - | - | - | - |
| Dealy Lane (Ranch 80) | 2/25/26 | 66.3 0.0 | 1616 | 52.3 1.8 | 2337 | 56.7 2.3 | 97 0 | 74 15 | 1.7 | 9.2 7.7 | 0126 | SSW | 213 | 0.04 | 19.35 | 0.043 0.012 | 154 24 | - |
| Carneros (Saintsbury) | 2/25/26 | 65.8 0.9 | 1516 | 49.3 2.6 | 2357 | 54.3 0.9 | 100 0 | 76 12 | 3.0 | 12.0 6.1 | 0029 | S | 184 | 0.06 | 5.61 | - | - | 0 0 |
| Suscol Lower (Ranch 35) | 2/25/26 | 66.3 1.1 | 1527 | 52.3 1.8 | 2330 | 1.4 30.1 | - | - | 3.0 | 9.1 10.1 | 0114 | SSW | 194 | 0.05 | 18.30 | 0.074 0.002 | 144 46 | - |
| Suscol Mtn (Ranch 93) | 2/25/26 | 62.7 2.2 | 1613 | 55.2 2.1 | 0900 | 56.4 3.6 | 100 0 | 83 24 | 4.4 | 14.8 7.5 | 0032 | W | 261 | 0.12 | 13.80 | - | - | - |
| Suscol Upper (Ranch 92) | 2/25/26 | 63.8 2.3 | 1614 | 55.6 1.8 | 2348 | 51.8 3.3 | 100 0 | 3 0 | 1.3 | 12.8 6.5 | 0113 | WSW | 243 | 0.10 | 18.16 | - | - | 0 0 |
| Stanly (Ranch 45) | 2/25/26 | 66.5 0.7 | 1507 | 50.4 3.2 | 2341 | 54.3 0.8 | 100 1 | 74 16 | 3.2 | 11.6 7.3 | 0129 | SW | 222 | 0.08 | 19.65 | 0.041 0.022 | 160 38 | 0 0 |
| Carneros Upper (Ranch 81) | 2/25/26 | 65.2 1.5 | 1513 | 56.1 1.3 | 2358 | 38.6 0.5 | - | - | 5.4 | 16.0 7.1 | 0041 | SSW | 201 | - | - | - | - | 0 0 |
| Carneros (Mitsuko) | 2/25/26 | 66.8 0.7 | 1539 | 49.3 3.0 | 2334 | - | - | - | - | - | - | - | - | - | - | - | - |
| Carneros Lower (Ranch 81) | 2/25/26 | 66.6 1.9 | 1442 | 51.6 2.8 | 2311 | -3.7 35.4 | 100 0 | 0 0 | 1.1 | 8.6 5.8 | 0329 | SSE | 159 | 0.03 | 16.94 | 0.052 0.003 | 119 33 | 0 0 |
| Carneros (Milton Rd) | 2/25/26 | 66.6 0.3 | 1431 | 50.6 3.6 | 2303 | 56.7 2.0 | 95 0 | 75 16 | - | - | - | - | 0.00 | 5.75 | - | - | - |
| Max | 68.0 | - | 56.1 | - | 58.6 | 100 | 100 | 5.4 | 16.0 | - | - | 0.32 | 29.22 | 0.077 | 331 | - | |
| Avg | - | - | - | - | 42.8 | - | - | 2.4 | - | - | - | - | - | - | - | - | |
| Min | 59.8 | - | 48.0 | - | -17.5 | 95 | 0 | 0.9 | 7.7 | - | - | 0.00 | 5.61 | 0.022 | 89 | - |