| 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 | 2/26/26 | 71.7 8.3 | 1525 | 43.1 2.2 | 0501 | - | - | - | - | - | - | - | 0.00 | 42.33 | - | - | - |
| Pope Valley (Weeks Lake) | 2/26/26 | 74.4 6.6 | 1429 | 47.6 0.7 | 0342 | 51.4 3.5 | 100 0 | 41 24 | 1.1 | 7.2 0.7 | 1057 | ESE | 110 | 0.00 | 21.60 | 0.089 0.040 | 342 165 | 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 | 2/26/26 | 75.1 7.5 | 1539 | 50.6 1.7 | 0102 | 54.6 2.7 | 100 0 | 48 26 | 1.8 | 10.4 0.3 | 1224 | NE | 55 | 0.00 | 19.16 | 0.097 0.049 | 366 187 | - |
| Dollarhide 1AS Remote | 2/26/26 | 77.5 9.9 | 1627 | 47.0 0.4 | 0048 | 52.3 3.1 | 95 0 | 43 30 | 1.0 | 7.8 2.6 | 1204 | ENE | 71 | - | - | - | - | - |
| Dollarhide 17B Remote | 2/26/26 | 78.2 10.5 | 1541 | 50.0 0.8 | 0111 | 54.1 2.6 | 100 0 | 42 31 | - | - | - | - | - | - | - | - | - |
| Dollarhide 18A Remote | 2/26/26 | 78.8 10.5 | 1548 | 47.1 0.0 | 0009 | 52.9 3.0 | 100 0 | 43 29 | - | - | - | - | - | - | - | - | - |
| Angwin | 2/26/26 | 67.4 8.8 | 1535 | 50.7 0.4 | 0700 | 50.6 0.4 | 100 0 | 54 3 | 2.8 | 10.0 1.0 | 2205 | NNW | 343 | 0.00 | 38.60 | 0.017 0.011 | 0 0 | 0 0 |
| Lower Angwin (Pioneer) | 2/26/26 | 69.7 8.4 | 1539 | 45.2 0.7 | 0424 | - | - | - | 1.8 | 7.7 2.9 | 1016 | NE | 35 | - | - | - | - | - |
| Deer Park | 2/26/26 | 75.4 10.4 | 1453 | 49.7 4.9 | 0712 | 54.1 2.0 | 100 0 | 47 25 | 2.2 | 10.0 1.3 | 1602 | WNW | 289 | 0.00 | 23.60 | 0.076 0.041 | 254 141 | - |
| Lower Chiles Valley (Brown) | 2/26/26 | 76.4 12.7 | 1446 | 46.6 0.2 | 0059 | 51.8 2.8 | 100 0 | 28 47 | 1.6 | 8.9 0.8 | 1109 | E | 89 | 0.01 | 20.67 | 0.094 0.056 | 352 224 | 0 0 |
| Moss Creek Vineyard/Reservior | 2/26/26 | 70.4 3.8 | 1523 | 48.1 3.3 | 0223 | 51.9 3.1 | 100 0 | 18 49 | - | - | - | - | 0.01 | 23.37 | - | - | - |
| Max | 78.8 | - | 50.7 | - | 54.6 | 100 | 54 | 2.8 | 10.4 | - | - | 0.01 | 42.33 | 0.097 | 366 | - | |
| Avg | - | - | - | - | 52.6 | - | - | 1.8 | - | - | - | - | - | - | - | - | |
| Min | 67.4 | - | 43.1 | - | 50.6 | 95 | 18 | 1.0 | 7.2 | - | - | 0.00 | 19.16 | 0.017 | 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 | 2/26/26 | 77.7 8.2 | 1420 | 51.2 1.0 | 0717 | 54.7 2.7 | 100 0 | 33 40 | - | - | - | - | 0.00 | 27.89 | - | - | 0 0 |
| Fotsch (Maple Lane) | 2/26/26 | 76.5 9.6 | 1447 | 51.4 1.1 | 0001 | 53.7 2.1 | 98 0 | 33 35 | 1.8 | 10.3 1.0 | 2140 | WNW | 288 | 0.01 | 25.78 | - | - | - |
| Diamond Mtn (Schramsberg) | 2/26/26 | 72.4 8.5 | 1357 | 50.3 4.4 | 0619 | 53.7 2.9 | 100 0 | 48 33 | - | - | - | - | 0.00 | 26.40 | - | - | - |
| Diamond Mtn (McEachran) | 2/26/26 | 75.1 10.3 | 1423 | 49.9 4.0 | 0645 | 54.0 2.3 | 99 0 | 44 30 | - | - | - | - | - | - | - | - | - |
| St. Helena-North | 2/26/26 | 77.0 9.4 | 1453 | 51.0 0.0 | 0001 | 53.8 2.6 | 100 0 | 38 29 | 1.4 | 10.5 3.5 | 1532 | NNW | 331 | 0.00 | 26.65 | 0.084 0.049 | 283 166 | 0 0 |
| St. Helena (NVV Office) | 2/26/26 | 77.9 10.6 | 1525 | 51.2 0.2 | 0005 | - | - | - | 1.1 | 8.3 1.7 | 1547 | NW | 323 | 0.01 | 23.51 | - | - | - |
| Tiara Fria (East St. Helena) | 2/26/26 | 77.3 10.1 | 1533 | 51.6 0.2 | 0021 | 55.0 1.7 | 98 0 | 46 24 | 1.4 | 7.7 0.4 | 1626 | NW | 307 | 0.00 | 21.80 | - | - | - |
| Rutherford Hill Estate | 2/26/26 | 78.5 11.4 | 1715 | 52.0 3.3 | 0639 | 56.0 1.4 | 100 0 | 45 27 | 1.4 | 10.3 3.3 | 1047 | SSE | 166 | 0.00 | 21.34 | 0.095 0.054 | 341 193 | 0 0 |
| Rutherford-North (Mee Ln) | 2/26/26 | 80.3 11.6 | 1632 | 44.8 2.1 | 0712 | 52.0 0.5 | 100 0 | 43 26 | 1.6 | 9.4 3.5 | 1228 | ENE | 69 | 0.01 | 20.47 | 0.089 0.050 | 329 191 | 0 0 |
| Rutherford (STS) | 2/26/26 | 80.1 12.4 | 1600 | 50.1 1.6 | 0021 | 53.8 0.2 | 89 1 | 45 34 | 1.8 | 6.0 2.3 | 0710 | NW | 319 | 0.00 | 21.64 | 0.106 0.061 | 382 225 | - |
| Oakville-NE (Ranch 88) | 2/26/26 | 78.7 12.0 | 1555 | 50.4 0.1 | 0019 | 54.4 1.8 | 98 1 | 39 32 | 0.5 | 7.0 1.0 | 1130 | WSW | 243 | 0.00 | 21.18 | 0.098 0.057 | 364 216 | 0 0 |
| OV561-East | 2/26/26 | 79.2 12.3 | 1522 | 51.8 0.4 | 0041 | - | - | - | - | - | - | - | - | - | - | - | - |
| Oakville | 2/26/26 | 79.2 13.0 | 1643 | 50.1 0.9 | 0100 | 54.4 2.3 | 98 1 | 36 37 | 1.8 | 7.5 5.3 | 1351 | SW | 215 | 0.00 | 21.73 | 0.096 0.053 | 356 204 | - |
| OV518-West | 2/26/26 | 77.6 11.3 | 1646 | 51.3 0.8 | 0047 | - | - | - | - | - | - | - | - | - | - | - | - |
| To Kalon Remote (TKKE) | 2/26/26 | 79.0 12.0 | 1552 | 50.6 0.4 | 0045 | - | - | - | - | - | - | - | - | - | - | - | - |
| To Kalon | 2/26/26 | 80.1 13.4 | 1558 | 50.1 1.2 | 0038 | 55.2 2.2 | 100 0 | 40 36 | 1.7 | 6.4 4.2 | 1314 | SSE | 159 | 0.01 | 23.60 | 0.089 0.055 | 322 205 | - |
| To Kalon Remote (TKN5) | 2/26/26 | 78.5 11.7 | 1617 | 49.9 0.8 | 0031 | - | - | - | - | - | - | - | - | - | - | - | - |
| Yountville (Ranch 67) | 2/26/26 | 76.9 11.1 | 1556 | 51.6 0.1 | 0059 | 54.0 2.4 | 99 1 | 37 35 | 1.9 | 7.5 5.5 | 1715 | ESE | 103 | 0.09 | 19.95 | 0.094 0.044 | 353 160 | - |
| Stags Leap Dist (Silverado Vineyards) | 2/26/26 | 76.4 10.3 | 1524 | 52.5 0.4 | 0001 | 53.6 2.2 | 97 1 | 37 33 | 1.3 | 8.0 4.9 | 2153 | N | 352 | 0.00 | 23.90 | 0.093 0.048 | 323 163 | - |
| Borreo (Soda Canyon) | 2/26/26 | 74.8 9.9 | 1603 | 50.3 0.4 | 0105 | 54.0 1.6 | 99 0 | 45 26 | 1.5 | 6.4 2.4 | 1616 | SSE | 163 | 0.00 | 23.82 | 0.087 0.043 | 327 161 | - |
| Wappo Hill Floor | 2/26/26 | 81.4 14.2 | 1556 | 49.8 0.4 | 0019 | 54.3 1.7 | 100 0 | 36 38 | 2.0 | 11.0 3.0 | 2014 | WNW | 296 | 0.00 | 23.27 | 0.090 0.048 | 321 170 | - |
| Stags Leap Dist (Chimney Rock) | 2/26/26 | 76.2 9.1 | 1542 | 52.0 0.5 | 0630 | 55.6 54.8 | 97 | 44 | 1.6 | 7.2 3.3 | 1257 | WSW | 245 | 0.00 | 22.50 | 0.068 0.005 | 413 283 | - |
| Yountville-South (Ranch 87) | 2/26/26 | 78.6 11.8 | 1559 | 51.7 0.2 | 0046 | 55.6 2.3 | 100 0 | 38 36 | 1.6 | 8.7 2.0 | 1416 | SSW | 201 | 0.00 | 23.64 | 0.096 0.057 | 346 205 | - |
| Yountville-SE (Ranch 85) | 2/26/26 | 77.9 11.7 | 1520 | 51.8 0.2 | 0001 | 55.8 2.1 | 100 0 | 39 38 | 1.5 | 7.1 0.0 | 1617 | SSE | 161 | 0.00 | 22.18 | - | 0 0 | 0 0 |
| Oak Knoll-East (Ranch 53) | 2/26/26 | 79.2 12.1 | 1539 | 53.3 0.1 | 0102 | 54.9 2.1 | 98 1 | 37 34 | 1.5 | 7.5 1.8 | 1641 | S | 179 | 0.01 | 20.44 | 0.085 0.050 | 299 178 | - |
| Napa-NW (Ranch 54) | 2/26/26 | 77.3 10.3 | 1522 | 52.2 1.8 | 0151 | 55.1 2.7 | 100 0 | 38 34 | 1.3 | 7.9 1.2 | 1635 | SE | 143 | 0.00 | 22.66 | - | 0 0 | 0 0 |
| Napa-North (Ranch 29) | 2/26/26 | 75.9 9.0 | 1405 | 52.9 0.7 | 0110 | 56.2 1.9 | 100 0 | 46 24 | 1.3 | 9.1 0.7 | 1519 | SSW | 208 | 0.00 | 20.32 | 0.074 0.046 | 251 158 | - |
| Max | 81.4 | - | 53.3 | - | 56.2 | 100 | 48 | 2.0 | 11.0 | - | - | 0.09 | 27.89 | 0.106 | 413 | - | |
| Avg | - | - | - | - | 54.5 | - | - | 1.5 | - | - | - | - | - | - | - | - | |
| Min | 72.4 | - | 44.8 | - | 52.0 | 89 | 33 | 0.5 | 6.0 | - | - | 0.00 | 19.95 | 0.068 | 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 | 2/26/26 | 69.4 9.6 | 1327 | 52.8 0.5 | 0701 | 50.9 4.2 | 96 4 | 40 29 | 1.2 | 7.5 1.6 | 1018 | N | 0 | 0.00 | 29.22 | 0.103 0.047 | 433 102 | 0 0 |
| Mount George (Napa East) | 2/26/26 | 76.5 10.8 | 1545 | 54.4 0.3 | 0124 | 57.8 1.4 | 100 1 | 52 22 | 1.0 | 7.4 0.3 | 1556 | WSW | 256 | 0.00 | 11.88 | 0.091 0.051 | 334 187 | - |
| Napa-East (Palmaz 300') | 2/26/26 | 75.6 8.8 | 1546 | 52.3 1.3 | 0319 | 55.8 1.6 | 100 0 | 48 22 | 1.4 | 8.3 0.7 | 1952 | NE | 45 | 0.00 | 18.31 | 0.085 0.049 | 304 178 | - |
| Napa-East (Palmaz 1200') | 2/26/26 | 71.0 10.4 | 1350 | 47.9 1.8 | 0529 | 45.5 5.9 | 100 0 | 5 18 | 2.4 | 8.8 4.4 | 1110 | NE | 35 | - | - | 0.092 0.042 | 333 208 | - |
| Napa-East (Palmaz 1400') | 2/26/26 | 71.3 11.4 | 1400 | 46.6 3.2 | 0512 | 53.3 2.1 | 100 0 | 27 73 | 1.9 | 9.2 5.9 | 1115 | NNE | 22 | 0.00 | 24.79 | 0.093 0.061 | 372 233 | - |
| 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) | 2/26/26 | 75.0 8.7 | 1438 | 51.6 1.3 | 0644 | 3.2 20.7 | 100 0 | 0 0 | 2.0 | 10.3 2.9 | 1519 | S | 177 | 0.01 | 20.15 | 0.109 0.032 | 335 187 | 0 0 |
| Napa-West Lower (Truchard) | 2/26/26 | 77.7 9.8 | 1415 | 47.8 0.1 | 0004 | 54.1 1.0 | 100 0 | 48 24 | - | - | - | - | - | - | - | - | 0 0 |
| Napa-South (Toyon Farms) | 2/26/26 | 74.8 8.0 | 1317 | 54.3 0.4 | 0112 | 57.7 0.9 | 100 0 | 52 27 | 0.8 | 8.1 3.9 | 1511 | WSW | 242 | 0.00 | 13.94 | 0.055 0.033 | 197 108 | 0 0 |
| Toyon Remote 1 | 2/26/26 | 75.6 8.7 | 1526 | 50.4 0.1 | 0020 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 2 | 2/26/26 | 74.9 7.7 | 1618 | 50.4 0.9 | 0003 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 3 | 2/26/26 | 77.9 9.8 | 1617 | 49.7 0.1 | 0032 | - | - | - | - | - | - | - | - | - | - | - | - |
| Dealy Lane (Ranch 80) | 2/26/26 | 75.0 8.8 | 1600 | 52.7 0.4 | 0024 | 55.3 1.4 | 98 1 | 44 30 | 1.8 | 7.2 2.0 | 0905 | NE | 35 | 0.00 | 19.35 | 0.089 0.046 | 325 171 | - |
| Carneros (Saintsbury) | 2/26/26 | 75.1 9.2 | 1556 | 48.9 0.4 | 0048 | 52.8 1.5 | 100 0 | 46 30 | 1.7 | 8.6 3.5 | 1514 | SW | 233 | 0.01 | 5.62 | - | - | 0 0 |
| Suscol Lower (Ranch 35) | 2/26/26 | 74.4 8.1 | 1527 | 52.2 0.1 | 0543 | 30.0 28.6 | - | - | 2.7 | 10.1 1.0 | 1402 | SW | 225 | 0.01 | 18.31 | 0.099 0.025 | 333 188 | - |
| Suscol Mtn (Ranch 93) | 2/26/26 | 72.0 9.3 | 1552 | 54.1 1.1 | 0628 | 55.7 0.8 | 100 0 | 56 27 | 2.7 | 15.3 0.6 | 1353 | NW | 310 | 0.00 | 13.80 | - | - | - |
| Suscol Upper (Ranch 92) | 2/26/26 | 74.3 10.5 | 1347 | 53.4 2.2 | 0601 | 44.1 7.7 | 100 0 | 3 0 | 0.8 | 10.7 2.1 | 1333 | ENE | 59 | 0.00 | 18.16 | - | - | 0 0 |
| Stanly (Ranch 45) | 2/26/26 | 75.8 9.3 | 1601 | 49.7 0.6 | 0122 | 53.3 1.0 | 100 0 | 48 26 | 2.8 | 8.9 2.6 | 0505 | NE | 38 | 0.00 | 19.65 | 0.106 0.065 | 385 225 | 0 0 |
| Carneros Upper (Ranch 81) | 2/26/26 | 74.0 8.7 | 1400 | 54.2 2.0 | 0634 | 23.2 15.3 | - | - | 3.4 | 17.0 1.0 | 1906 | W | 262 | - | - | - | - | 0 0 |
| Carneros (Mitsuko) | 2/26/26 | 75.8 9.0 | 1556 | 50.1 0.8 | 0030 | - | - | - | - | - | - | - | - | - | - | - | - |
| Carneros Lower (Ranch 81) | 2/26/26 | 76.5 10.0 | 1449 | 52.4 0.8 | 0001 | 5.0 8.7 | 100 0 | 0 0 | 1.1 | 7.7 0.9 | 1833 | WNW | 296 | 0.00 | 16.94 | 0.073 0.021 | 221 102 | 0 0 |
| Carneros (Milton Rd) | 2/26/26 | 74.9 8.4 | 1543 | 51.7 1.1 | 0120 | 54.6 2.1 | 96 0 | 51 24 | - | - | - | - | 0.00 | 5.75 | - | - | - |
| Max | 77.9 | - | 54.4 | - | 57.8 | 100 | 56 | 3.4 | 17.0 | - | - | 0.01 | 29.22 | 0.109 | 433 | - | |
| Avg | - | - | - | - | 44.3 | - | - | 1.8 | - | - | - | - | - | - | - | - | |
| Min | 69.4 | - | 46.6 | - | 3.2 | 96 | 0 | 0.8 | 7.2 | - | - | 0.00 | 5.62 | 0.055 | 197 | - |