| 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 | 4/26/26 | 56.1 5.9 | 1612 | 35.9 4.1 | 0400 | - | - | - | - | - | - | - | 0.00 | 49.62 | - | - | 0 0 |
| Pope Valley (Weeks Lake) | 4/26/26 | 63.8 6.8 | 1343 | 44.6 3.7 | 0548 | 42.5 2.1 | 94 6 | 40 25 | 2.9 | 18.0 2.8 | 1601 | WSW | 246 | 0.00 | 25.63 | 0.121 0.071 | 427 276 | 0 0 |
| Dollarhide Base | 4/26/26 | 64.5 4.8 | 1544 | 47.7 0.6 | 0528 | 44.6 2.5 | 86 7 | 48 21 | 5.6 | 20.3 1.2 | 1600 | SW | 225 | 0.00 | 22.63 | 0.124 0.059 | 423 226 | 20 10 |
| Dollarhide 1AS Remote | 4/26/26 | 64.5 6.7 | 1651 | 47.1 1.3 | 0526 | 44.6 2.3 | 90 1 | 47 22 | 4.3 | 20.2 0.4 | 1531 | S | 177 | - | - | - | - | 0 0 |
| Dollarhide 17B Remote | 4/26/26 | 65.1 7.0 | 1525 | 46.8 0.3 | 0440 | 45.4 2.0 | 94 3 | 47 24 | - | - | - | - | - | - | - | - | 0 0 |
| Dollarhide 18A Remote | 4/26/26 | 63.6 6.8 | 1650 | 46.9 0.9 | 0525 | 44.5 2.3 | 90 2 | 49 22 | - | - | - | - | - | - | - | - | 0 0 |
| Angwin | 4/26/26 | 52.8 5.8 | 1415 | 41.8 0.8 | 0359 | 39.9 3.5 | 95 5 | 56 29 | 3.1 | 13.9 2.8 | 1345 | SE | 136 | 0.00 | 44.46 | 0.015 0.012 | 0 0 | 0 0 |
| Lower Angwin (Pioneer) | 4/26/26 | 55.1 4.7 | 1413 | 40.2 4.0 | 0409 | - | - | - | 3.1 | 15.0 0.1 | 1641 | SW | 226 | - | - | - | - | 0 0 |
| Deer Park | 4/26/26 | 61.7 6.5 | 1433 | 47.2 0.1 | 0415 | 43.2 2.3 | 93 2 | 44 23 | 3.0 | 17.5 3.1 | 1551 | WSW | 246 | 0.00 | 28.18 | 0.076 0.039 | 221 126 | 0 0 |
| Lower Chiles Valley (Brown) | 4/26/26 | 59.7 4.8 | 1356 | 43.2 2.2 | 0434 | 42.2 2.6 | 96 1 | 47 21 | 2.7 | 14.4 3.9 | 1512 | WNW | 282 | 0.00 | 25.25 | 0.092 0.047 | 330 193 | 0 0 |
| Moss Creek Vineyard/Reservior | 4/26/26 | 62.7 6.5 | 1609 | 42.8 2.7 | 0426 | 42.0 2.8 | 95 2 | 43 22 | - | - | - | - | 0.00 | 26.50 | - | - | 0 0 |
| Max | 65.1 | - | 47.7 | - | 45.4 | 96 | 56 | 5.6 | 20.3 | - | - | 0.00 | 49.62 | 0.124 | 427 | - | |
| Avg | - | - | - | - | 43.2 | - | - | 3.5 | - | - | - | - | - | - | - | - | |
| Min | 52.8 | - | 35.9 | - | 39.9 | 86 | 40 | 2.7 | 13.9 | - | - | 0.00 | 22.63 | 0.015 | 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 | 4/26/26 | 64.5 7.5 | 1609 | 47.3 0.9 | 0017 | 45.9 1.8 | 96 2 | 48 22 | - | - | - | - | 0.00 | 32.32 | - | - | 10 10 |
| Diamond Mtn (Schramsberg) | 4/26/26 | 60.1 5.4 | 1427 | 46.5 1.0 | 0050 | 43.0 3.3 | 94 6 | 47 21 | - | - | - | - | 0.00 | 30.72 | - | - | 0 0 |
| Diamond Mtn (McEachran) | 4/26/26 | 59.6 4.2 | 1635 | 47.4 0.1 | 0027 | 43.4 2.6 | 92 2 | 48 19 | - | - | - | - | - | - | - | - | 0 0 |
| St. Helena-North | 4/26/26 | 64.0 5.4 | 1515 | 47.1 0.5 | 0035 | 42.4 2.5 | 86 2 | 38 19 | 1.5 | 15.1 2.9 | 1641 | S | 184 | 0.00 | 30.46 | 0.083 0.038 | 268 136 | 0 0 |
| St. Helena (NVV Office) | 4/26/26 | 65.2 5.8 | 1526 | 47.9 0.9 | 0025 | - | - | - | 1.2 | 11.8 2.4 | 1601 | SSW | 213 | 0.00 | 27.95 | - | - | 50 10 |
| Tiara Fria (East St. Helena) | 4/26/26 | 63.8 5.7 | 1532 | 48.0 0.4 | 0354 | 44.3 1.9 | 92 1 | 42 18 | 2.9 | 16.5 3.9 | 1556 | WSW | 255 | 0.00 | 25.95 | - | - | 0 0 |
| Rutherford Hill Estate | 4/26/26 | 64.2 7.2 | 1556 | 47.5 0.2 | 0312 | 44.2 1.7 | 90 3 | 43 22 | 1.8 | 17.3 2.0 | 1726 | WSW | 241 | 0.00 | 24.50 | 0.097 0.057 | 343 227 | 10 10 |
| Rutherford-North (Mee Ln) | 4/26/26 | 64.1 5.5 | 1521 | 42.8 1.1 | 0322 | 43.8 1.9 | 96 0 | 43 17 | 2.9 | 17.8 2.6 | 1729 | W | 263 | 0.00 | 23.98 | 0.097 0.045 | 311 172 | 20 10 |
| Rutherford (STS) | 4/26/26 | 63.8 4.6 | 1527 | 43.7 2.2 | 0334 | 45.5 1.8 | 92 2 | 51 15 | 3.1 | 17.9 0.9 | 1552 | W | 266 | 0.00 | 25.26 | 0.102 0.045 | 359 170 | 50 10 |
| Oakville-NE (Ranch 88) | 4/26/26 | 63.9 4.2 | 1533 | 43.1 3.7 | 0316 | 43.2 2.2 | 94 2 | 41 15 | 2.4 | 19.2 3.8 | 1601 | W | 274 | 0.00 | 24.39 | 0.103 0.049 | 340 188 | 0 0 |
| OV561-East | 4/26/26 | 64.0 4.5 | 1535 | 45.0 2.6 | 0351 | - | - | - | - | - | - | - | - | - | - | - | 0 0 |
| Oakville | 4/26/26 | 62.9 3.9 | 1542 | 43.8 4.2 | 0335 | 43.5 2.1 | 96 4 | 44 14 | 4.1 | 16.9 2.0 | 1732 | SSW | 211 | 0.00 | 24.96 | 0.112 0.047 | 370 184 | 0 0 |
| OV518-West | 4/26/26 | 62.4 3.6 | 1713 | 45.3 2.6 | 0319 | - | - | - | - | - | - | - | - | - | - | - | 0 0 |
| To Kalon Remote (TKKE) | 4/26/26 | 63.9 3.4 | 1535 | 43.8 2.0 | 0306 | - | - | - | - | - | - | - | - | - | - | - | 50 10 |
| To Kalon | 4/26/26 | 63.2 3.3 | 1542 | 45.0 1.4 | 0336 | 44.4 2.1 | 95 1 | 47 13 | 3.1 | 16.0 2.8 | 1755 | WSW | 241 | 0.00 | 27.15 | 0.085 0.024 | 261 80 | 0 0 |
| To Kalon Remote (TKN5) | 4/26/26 | 63.4 3.6 | 1538 | 44.5 2.7 | 0248 | - | - | - | - | - | - | - | - | - | - | - | 0 10 |
| Yountville (Ranch 67) | 4/26/26 | 62.6 4.2 | 1602 | 43.7 4.2 | 0336 | 42.6 2.2 | 96 4 | 40 18 | 3.0 | 14.5 2.0 | 1622 | WSW | 254 | 0.00 | 23.06 | 0.113 0.051 | 420 210 | 0 0 |
| Stags Leap Dist (Silverado Vineyards) | 4/26/26 | 62.4 4.5 | 1606 | 43.4 4.6 | 0351 | 43.4 2.0 | 95 4 | 41 19 | 1.3 | 12.6 1.4 | 1452 | S | 178 | 0.00 | 27.09 | 0.092 0.049 | 330 200 | 0 0 |
| Borreo (Soda Canyon) | 4/26/26 | 58.4 3.3 | 1753 | 42.7 0.6 | 0347 | 42.3 2.6 | 96 1 | 42 23 | 1.5 | 11.1 1.5 | 1246 | SSE | 154 | 0.00 | 27.02 | 0.084 0.040 | 312 169 | 0 0 |
| Wappo Hill Floor | 4/26/26 | 63.2 4.1 | 1611 | 44.0 1.9 | 0300 | 44.0 2.7 | 100 0 | 38 23 | 2.6 | 16.4 3.1 | 1715 | WNW | 292 | 0.00 | 26.26 | 0.093 0.043 | 302 170 | 50 10 |
| Stags Leap Dist (Chimney Rock) | 4/26/26 | 62.3 4.1 | 1614 | 44.9 2.5 | 0320 | 45.6 2.3 | 98 2 | 44 22 | 2.4 | 13.5 0.2 | 1655 | SSW | 211 | 0.00 | 25.63 | 0.083 0.036 | 272 145 | 0 0 |
| Yountville-South (Ranch 87) | 4/26/26 | 61.7 3.2 | 1559 | 45.5 0.1 | 0337 | 44.7 2.3 | 100 0 | 40 22 | 2.4 | 14.3 1.5 | 1657 | WSW | 252 | 0.00 | 26.90 | 0.090 0.039 | 294 154 | 40 10 |
| Yountville-SE (Ranch 85) | 4/26/26 | 63.6 5.0 | 1724 | 46.0 0.1 | 0342 | 45.0 2.1 | 97 0 | 44 18 | 1.5 | 11.0 1.1 | 1659 | NW | 308 | 0.00 | 25.19 | - | 0 0 | 0 0 |
| Oak Knoll-East (Ranch 53) | 4/26/26 | 62.4 3.6 | 1731 | 45.4 0.3 | 2257 | 43.7 2.1 | 92 2 | 40 19 | 2.2 | 15.0 1.6 | 1422 | WNW | 283 | 0.00 | 23.77 | 0.096 0.038 | 319 150 | 20 10 |
| Napa-NW (Ranch 54) | 4/26/26 | 63.6 4.2 | 1729 | 45.9 0.2 | 2251 | 43.6 2.6 | 92 8 | 39 21 | 2.0 | 13.0 2.7 | 1628 | WSW | 240 | 0.00 | 26.23 | - | 0 0 | 50 10 |
| Napa-North (Ranch 29) | 4/26/26 | 60.3 1.6 | 1727 | 48.0 0.2 | 2327 | 45.5 1.2 | 100 0 | 42 19 | 2.4 | 14.2 1.1 | 1438 | SW | 226 | 0.00 | 24.67 | 0.065 0.020 | 169 72 | 0 0 |
| Max | 65.2 | - | 48.0 | - | 45.9 | 100 | 51 | 4.1 | 19.2 | - | - | 0.00 | 32.32 | 0.113 | 420 | - | |
| Avg | - | - | - | - | 44.0 | - | - | 2.3 | - | - | - | - | - | - | - | - | |
| Min | 58.4 | - | 42.7 | - | 42.3 | 86 | 38 | 1.2 | 11.0 | - | - | 0.00 | 23.06 | 0.065 | 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 | 4/26/26 | 56.3 3.1 | 1055 | 44.3 0.1 | 0332 | 41.4 2.6 | 91 4 | 48 23 | 1.2 | 9.7 0.9 | 1025 | NNE | 25 | 0.00 | 33.62 | 0.130 0.013 | 710 51 | 0 0 |
| Mount George (Napa East) | 4/26/26 | 71.9 4.3 | 1807 | 54.5 0.6 | 0101 | 55.7 0.6 | 100 2 | 45 20 | 1.9 | 12.7 0.8 | 1750 | WSW | 257 | 0.00 | 16.54 | 0.097 0.044 | 303 147 | 0 0 |
| Napa-East (Palmaz 300') | 4/26/26 | 60.8 2.1 | 1225 | 47.0 2.4 | 2246 | 44.6 1.5 | 95 7 | 42 19 | 2.5 | 14.4 1.9 | 1149 | WNW | 300 | 0.00 | 22.81 | 0.083 0.035 | 260 130 | 0 0 |
| Napa-East (Palmaz 1200') | 4/26/26 | 55.9 2.6 | 1121 | 42.3 4.2 | 2258 | 41.2 2.6 | 100 0 | 7 66 | 2.1 | 13.7 2.0 | 1418 | NNW | 348 | - | - | 0.076 0.037 | 280 147 | 0 0 |
| Napa-East (Palmaz 1400') | 4/26/26 | 55.9 3.3 | 1123 | 44.2 1.2 | 2227 | 43.8 1.6 | 100 0 | 53 23 | 2.3 | 14.9 1.9 | 1648 | WSW | 242 | 0.00 | 30.26 | 0.073 0.036 | 279 136 | 0 0 |
| Wooden Valley | 4/26/26 | 58.9 3.2 | 1636 | 43.3 4.8 | 2240 | 42.0 2.9 | 95 9 | 44 20 | 3.1 | 15.6 0.2 | 1719 | SW | 236 | 0.00 | 28.57 | 0.095 0.036 | 332 131 | 0 0 |
| Napa-West Upper (Truchard) | 4/26/26 | 61.5 2.6 | 1115 | 46.3 0.8 | 2254 | 44.8 6.5 | 100 0 | 37 37 | 4.4 | 21.4 2.7 | 1906 | SW | 232 | 0.00 | 23.93 | 0.102 0.037 | 312 134 | 0 0 |
| Napa-West Lower (Truchard) | 4/26/26 | 65.2 4.5 | 1113 | 41.1 3.1 | 2249 | 43.2 2.8 | 93 0 | 33 23 | - | - | - | - | - | - | - | - | 50 10 |
| Napa-South (Toyon Farms) | 4/26/26 | 63.0 5.1 | 1545 | 47.0 0.7 | 2313 | 46.9 1.5 | 97 1 | 48 20 | 3.5 | 16.2 2.5 | 1615 | W | 262 | 0.00 | 17.89 | 0.057 0.025 | 157 60 | 0 0 |
| Toyon Remote 1 | 4/26/26 | 67.6 6.5 | 1158 | 38.0 5.2 | 2305 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 2 | 4/26/26 | 65.6 6.5 | 1547 | 42.5 4.6 | 2257 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 3 | 4/26/26 | 66.8 5.9 | 1541 | 43.0 3.2 | 2259 | - | - | - | - | - | - | - | - | - | - | - | - |
| Dealy Lane (Ranch 80) | 4/26/26 | 63.5 4.5 | 1110 | 44.7 1.7 | 2311 | 44.1 2.1 | 95 0 | 39 21 | 2.5 | 15.7 2.3 | 1610 | WNW | 286 | 0.00 | 23.12 | 0.105 0.045 | 357 157 | 20 10 |
| Carneros (Saintsbury) | 4/26/26 | 64.5 6.9 | 1532 | 46.0 0.3 | 2319 | 44.8 1.9 | 98 2 | 41 24 | 4.5 | 17.1 2.6 | 1751 | W | 264 | 0.01 | 8.68 | - | - | 0 0 |
| Suscol Lower (Ranch 35) | 4/26/26 | 63.8 6.4 | 1311 | 45.0 0.6 | 2244 | 44.2 2.0 | - | - | 4.4 | 22.2 7.5 | 1158 | WSW | 253 | 0.00 | 22.41 | 0.102 0.047 | 302 168 | 0 0 |
| Suscol Mtn (Ranch 93) | 4/26/26 | 61.4 8.3 | 1153 | 46.7 0.2 | 2231 | 43.5 1.9 | 96 0 | 45 25 | 8.3 | 25.4 0.8 | 1536 | WNW | 290 | 0.00 | 18.04 | - | - | 0 0 |
| Suscol Upper (Ranch 92) | 4/26/26 | 58.7 4.8 | 1546 | 48.0 0.9 | 2314 | 43.8 1.9 | 96 4 | 45 26 | 4.8 | 21.9 3.9 | 1626 | WSW | 240 | 0.00 | 21.98 | - | - | 0 0 |
| Stanly (Ranch 45) | 4/26/26 | 63.8 5.7 | 1317 | 48.0 2.5 | 2302 | 44.6 1.9 | 92 3 | 41 23 | 5.0 | 17.2 2.0 | 1818 | SW | 232 | 0.00 | 22.49 | 0.119 0.059 | 378 228 | 0 0 |
| Carneros Upper (Ranch 81) | 4/26/26 | 62.0 5.7 | 1300 | 48.7 0.2 | 2328 | 44.1 2.0 | - | - | 8.2 | 23.4 4.0 | 1548 | W | 266 | - | - | - | - | 0 0 |
| Carneros (Mitsuko) | 4/26/26 | 65.4 7.5 | 1530 | 42.3 1.4 | 2319 | - | - | - | - | - | - | - | - | - | - | - | 0 0 |
| Carneros Lower (Ranch 81) | 4/26/26 | 66.6 7.3 | 1301 | 45.8 2.0 | 2333 | 45.4 2.1 | 93 0 | 41 22 | 0.7 | 12.4 3.8 | 1442 | NW | 316 | 0.00 | 19.29 | 0.092 0.050 | 334 186 | 0 0 |
| Carneros (Milton Rd) | 4/26/26 | 64.1 6.1 | 1313 | 43.5 0.1 | 2302 | 44.8 2.0 | 93 1 | 41 23 | - | - | - | - | 0.00 | 18.07 | - | - | 0 0 |
| Max | 71.9 | - | 54.5 | - | 55.7 | 100 | 53 | 8.3 | 25.4 | - | - | 0.01 | 33.62 | 0.130 | 710 | - | |
| Avg | - | - | - | - | 44.6 | - | - | 3.7 | - | - | - | - | - | - | - | - | |
| Min | 55.9 | - | 38.0 | - | 41.2 | 91 | 7 | 0.7 | 9.7 | - | - | 0.00 | 8.68 | 0.057 | 157 | - |