| 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 | 4/13/26 | 60.3 9.8 | 1741 | 32.9 4.6 | 0624 | - | - | - | - | - | - | - | 0.00 | 47.36 | - | - | 40 10 |
| Pope Valley (Weeks Lake) | 4/13/26 | 67.3 8.9 | 1607 | 35.7 6.4 | 0546 | 41.2 2.4 | 100 3 | 34 21 | 2.0 | 11.4 5.5 | 1807 | WSW | 240 | 0.00 | 24.04 | 0.120 0.052 | 445 194 | 50 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 | 4/13/26 | 69.7 10.8 | 1614 | 40.5 5.4 | 0648 | 45.2 1.3 | 100 4 | 40 29 | 2.6 | 12.4 13.9 | 1740 | SW | 233 | 0.00 | 21.37 | 0.135 0.067 | 507 233 | 60 10 |
| Dollarhide 1AS Remote | 4/13/26 | 69.6 10.3 | 1613 | 39.5 4.2 | 0344 | 44.2 1.9 | 95 0 | 39 28 | 1.6 | 13.7 5.3 | 1732 | S | 179 | - | - | - | - | 50 10 |
| Dollarhide 17B Remote | 4/13/26 | 69.5 10.1 | 1606 | 38.2 5.3 | 0721 | 44.7 1.9 | 100 2 | 40 26 | - | - | - | - | - | - | - | - | 60 10 |
| Dollarhide 18A Remote | 4/13/26 | 69.2 11.0 | 1715 | 37.2 4.8 | 0359 | 43.8 2.2 | 100 1 | 40 28 | - | - | - | - | - | - | - | - | 50 10 |
| Angwin | 4/13/26 | 57.1 8.3 | 1654 | 37.8 2.0 | 0618 | 40.5 0.8 | 100 0 | 48 25 | 3.8 | 13.1 11.6 | 0926 | N | 0 | 0.00 | 42.26 | 0.016 0.011 | 0 0 | 0 0 |
| Lower Angwin (Pioneer) | 4/13/26 | 59.6 8.3 | 1637 | 37.8 2.5 | 0256 | - | - | - | 2.9 | 12.4 6.4 | 0943 | ENE | 72 | - | - | - | - | 0 0 |
| Deer Park | 4/13/26 | 67.7 8.7 | 1541 | 43.1 3.5 | 0624 | 42.9 1.9 | 96 2 | 36 23 | 2.6 | 15.4 2.1 | 1742 | WSW | 242 | 0.00 | 26.38 | 0.093 0.045 | 298 137 | 50 10 |
| Lower Chiles Valley (Brown) | 4/13/26 | 66.8 8.4 | 1501 | 36.9 7.6 | 0416 | 41.4 2.2 | 100 6 | 35 12 | 1.6 | 11.3 10.1 | 1704 | WNW | 286 | 0.00 | 23.68 | 0.112 0.021 | 419 62 | 50 10 |
| Moss Creek Vineyard/Reservior | 4/13/26 | 68.4 6.8 | 1545 | 43.2 3.9 | 0045 | 43.4 1.0 | 98 6 | 35 7 | - | - | - | - | 0.00 | 25.15 | - | - | 60 10 |
| Max | 69.7 | - | 43.2 | - | 45.2 | 100 | 48 | 3.8 | 15.4 | - | - | 0.00 | 47.36 | 0.135 | 507 | - | |
| Avg | - | - | - | - | 43.0 | - | - | 2.4 | - | - | - | - | - | - | - | - | |
| Min | 57.1 | - | 32.9 | - | 40.5 | 95 | 34 | 1.6 | 11.3 | - | - | 0.00 | 21.37 | 0.016 | 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 | 4/13/26 | 73.4 9.8 | 1433 | 38.6 7.8 | 0703 | 44.9 2.7 | 100 2 | 37 20 | - | - | - | - | 0.01 | 30.66 | - | - | 20 10 |
| 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) | 4/13/26 | 65.6 8.4 | 1555 | 43.5 1.9 | 0603 | 43.3 2.1 | 100 0 | 40 21 | - | - | - | - | 0.00 | 29.18 | - | - | 50 10 |
| Diamond Mtn (McEachran) | 4/13/26 | 66.7 8.6 | 1417 | 42.1 4.0 | 0658 | 43.5 2.4 | 97 0 | 37 22 | - | - | - | - | - | - | - | - | 50 10 |
| St. Helena-North | 4/13/26 | 69.6 10.2 | 1546 | 40.4 6.8 | 0706 | 42.5 3.5 | 100 0 | 31 23 | 1.6 | 12.7 4.4 | 1814 | WNW | 293 | 0.03 | 28.39 | 0.132 0.069 | 479 238 | 50 10 |
| St. Helena (NVV Office) | 4/13/26 | 69.9 7.3 | 1708 | 43.2 5.0 | 0651 | - | - | - | 1.1 | 9.2 1.3 | 1756 | WNW | 287 | 0.00 | 26.38 | - | - | 60 10 |
| Tiara Fria (East St. Helena) | 4/13/26 | 67.2 6.6 | 1509 | 43.6 5.6 | 0657 | 44.5 1.8 | 96 4 | 34 18 | 2.2 | 12.9 3.2 | 1737 | SSW | 208 | 0.00 | 24.36 | - | - | 50 10 |
| Rutherford Hill Estate | 4/13/26 | 71.3 9.9 | 1559 | 44.8 3.6 | 0424 | 43.7 1.9 | 93 0 | 33 19 | 1.8 | 12.9 3.7 | 1837 | W | 276 | 0.00 | 23.16 | 0.119 0.050 | 428 166 | 50 10 |
| Rutherford-North (Mee Ln) | 4/13/26 | 69.4 6.1 | 1432 | 41.2 6.5 | 0452 | 43.7 2.1 | 96 5 | 33 12 | 2.0 | 20.0 3.1 | 1151 | WNW | 291 | 0.00 | 22.65 | 0.132 0.057 | 475 215 | 60 10 |
| Rutherford (STS) | 4/13/26 | 70.6 8.2 | 1522 | 43.9 5.0 | 0059 | 45.5 1.9 | 91 0 | 37 13 | 2.4 | 14.9 0.6 | 1748 | WSW | 244 | 0.01 | 23.91 | 0.157 0.073 | 578 261 | 60 10 |
| Oakville-NE (Ranch 88) | 4/13/26 | 70.4 7.4 | 1602 | 44.2 5.3 | 0059 | 43.6 1.2 | 98 8 | 30 8 | 2.0 | 14.7 2.3 | 1745 | NW | 312 | 0.00 | 23.05 | 0.157 0.064 | 586 248 | 0 0 |
| OV561-East | 4/13/26 | 71.5 6.7 | 1553 | 44.7 4.2 | 0423 | - | - | - | - | - | - | - | - | - | - | - | 30 10 |
| Oakville | 4/13/26 | 69.2 7.0 | 1552 | 44.6 4.8 | 0054 | 43.7 1.6 | 96 6 | 30 11 | 3.2 | 16.9 0.9 | 1826 | WSW | 257 | 0.02 | 23.59 | 0.165 0.065 | 607 245 | 50 10 |
| OV518-West | 4/13/26 | 67.9 6.0 | 1619 | 45.6 3.7 | 0408 | - | - | - | - | - | - | - | - | - | - | - | 50 10 |
| To Kalon Remote (TKKE) | 4/13/26 | 69.8 7.6 | 1536 | 43.4 5.7 | 0101 | - | - | - | - | - | - | - | - | - | - | - | 60 10 |
| To Kalon | 4/13/26 | 68.5 5.9 | 1526 | 44.2 4.8 | 0059 | 44.4 1.6 | 97 2 | 34 11 | 2.7 | 14.7 6.7 | 1751 | WNW | 282 | 0.00 | 25.72 | 0.146 0.064 | 533 243 | 50 10 |
| To Kalon Remote (TKN5) | 4/13/26 | 70.1 7.4 | 1538 | 44.1 5.3 | 0415 | - | - | - | - | - | - | - | - | - | - | - | 40 10 |
| Yountville (Ranch 67) | 4/13/26 | 68.8 6.8 | 1606 | 44.6 4.8 | 0049 | 43.1 1.4 | 96 5 | 28 13 | 3.0 | 14.9 3.6 | 1722 | W | 278 | 0.00 | 21.74 | 0.165 0.058 | 654 229 | 50 10 |
| Stags Leap Dist (Silverado Vineyards) | 4/13/26 | 70.4 7.9 | 1550 | 43.9 5.0 | 0050 | 43.5 1.2 | 95 6 | 29 11 | 1.5 | 11.2 3.9 | 1442 | SE | 130 | 0.00 | 25.83 | 0.159 0.069 | 613 280 | 60 10 |
| Borreo (Soda Canyon) | 4/13/26 | 66.2 6.7 | 1427 | 41.5 4.4 | 0436 | 42.9 2.3 | 98 1 | 30 10 | 1.6 | 11.1 4.0 | 1131 | NW | 314 | 0.01 | 25.72 | 0.124 0.043 | 472 136 | 40 10 |
| Wappo Hill Floor | 4/13/26 | 70.1 6.4 | 1509 | 43.4 5.6 | 0045 | 45.5 0.8 | 100 7 | 30 12 | 2.9 | 13.8 2.5 | 1229 | WNW | 296 | 0.00 | 25.08 | 0.162 0.069 | 595 250 | 60 10 |
| Stags Leap Dist (Chimney Rock) | 4/13/26 | 69.2 7.3 | 1459 | 44.2 4.8 | 0058 | 46.3 1.6 | 100 6 | 34 14 | 3.4 | 14.0 3.6 | 1106 | NW | 313 | 0.01 | 24.34 | 0.145 0.066 | 539 245 | 50 10 |
| Yountville-South (Ranch 87) | 4/13/26 | 69.0 6.5 | 1457 | 44.8 4.1 | 0052 | 45.6 1.5 | 100 6 | 30 13 | 2.3 | 12.2 4.4 | 1625 | SSW | 211 | 0.01 | 25.67 | 0.149 0.058 | 541 202 | 10 10 |
| Yountville-SE (Ranch 85) | 4/13/26 | 70.4 6.6 | 1536 | 45.9 3.8 | 0046 | 45.7 1.3 | 98 6 | 31 11 | 2.5 | 12.6 0.7 | 1125 | NNW | 330 | 0.01 | 23.95 | - | 0 0 | 30 10 |
| Oak Knoll-East (Ranch 53) | 4/3/26 | 80.5 10.3 | 1722 | 45.0 4.7 | 0045 | 27.6 11.1 | 76 19 | 10 11 | 5.2 | 21.4 7.7 | 0509 | NNW | 341 | 0.00 | 20.76 | 0.206 0.064 | 539 11 | 50 20 |
| Napa-NW (Ranch 54) | 4/13/26 | 69.4 5.9 | 1700 | 45.5 1.5 | 0511 | 44.9 2.4 | 100 0 | 31 12 | 1.8 | 10.6 1.3 | 1742 | SW | 226 | 0.01 | 24.86 | - | 0 0 | 60 10 |
| Napa-North (Ranch 29) | 4/13/26 | 67.6 5.4 | 1505 | 45.5 1.8 | 0515 | 46.4 1.9 | 100 0 | 39 10 | 1.8 | 14.0 3.3 | 1720 | S | 172 | 0.01 | 22.49 | 0.090 0.024 | 291 48 | 60 10 |
| Max | 73.4 | - | 45.9 | - | 46.4 | 100 | 40 | 3.4 | 20.0 | - | - | 0.03 | 30.66 | 0.165 | 654 | - | |
| Avg | - | - | - | - | 44.4 | - | - | 2.2 | - | - | - | - | - | - | - | - | |
| Min | 65.6 | - | 38.6 | - | 42.5 | 91 | 28 | 1.1 | 9.2 | - | - | 0.00 | 21.74 | 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 | 4/13/26 | 60.8 5.4 | 1235 | 42.8 1.0 | 0347 | 42.8 0.3 | 96 4 | 46 7 | 1.6 | 9.4 6.1 | 0938 | N | 354 | 0.01 | 31.92 | 0.095 0.034 | 380 128 | 20 10 |
| Mount George (Napa East) | 4/13/26 | 68.0 5.2 | 1550 | 44.7 5.2 | 0059 | 48.5 0.9 | 100 2 | 41 8 | 1.3 | 9.9 4.6 | 1602 | WNW | 282 | 0.02 | 14.31 | 0.126 0.040 | 468 124 | 50 10 |
| Napa-East (Palmaz 300') | 4/13/26 | 68.4 4.7 | 1555 | 45.3 2.8 | 0534 | 45.4 1.4 | 100 5 | 37 4 | 1.9 | 10.7 4.2 | 1535 | WSW | 238 | 0.01 | 20.64 | 0.111 0.032 | 385 81 | 60 10 |
| Napa-East (Palmaz 1200') | 4/13/26 | 62.3 4.9 | 1612 | 41.3 4.4 | 0052 | 40.8 2.9 | 100 0 | 46 43 | 2.0 | 11.2 5.9 | 1614 | NW | 312 | - | - | 0.098 0.031 | 393 116 | 10 10 |
| Napa-East (Palmaz 1400') | 4/13/26 | 62.3 4.8 | 1537 | 40.5 4.3 | 0340 | 44.3 1.2 | 100 0 | 45 9 | 2.4 | 13.9 5.5 | 1611 | W | 263 | 0.03 | 27.92 | 0.095 0.037 | 386 121 | 10 10 |
| Wooden Valley | 4/13/26 | 65.2 6.5 | 1620 | 40.7 5.7 | 0056 | 43.0 1.6 | 97 5 | 39 10 | 2.1 | 13.2 11.6 | 1753 | SSW | 205 | 0.01 | 26.48 | 0.123 0.037 | 495 133 | 10 10 |
| Napa-West Upper (Truchard) | 4/13/26 | 67.9 7.3 | 1413 | 45.1 1.5 | 0649 | 34.4 10.2 | 100 0 | 0 0 | 3.2 | 18.8 1.8 | 1636 | SSW | 200 | 0.02 | 22.19 | 0.147 0.074 | 533 251 | 30 10 |
| Napa-West Lower (Truchard) | 4/13/26 | 71.4 7.8 | 1244 | 38.9 2.2 | 0510 | 43.7 2.8 | 100 0 | 32 15 | - | - | - | - | - | - | - | - | 30 10 |
| Napa-South (Toyon Farms) | 4/13/26 | 67.5 5.1 | 1441 | 45.3 1.3 | 0521 | 47.9 0.9 | 100 0 | 49 7 | 2.1 | 13.2 5.7 | 1826 | SW | 225 | 0.01 | 15.95 | 0.063 0.021 | 217 42 | 30 10 |
| Toyon Remote 1 | 4/13/26 | 69.6 4.3 | 1721 | 39.8 1.5 | 0035 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 2 | 4/13/26 | 68.2 5.7 | 1443 | 41.7 3.3 | 0527 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 3 | 4/13/26 | 68.9 4.8 | 1708 | 42.0 1.4 | 0529 | - | - | - | - | - | - | - | - | - | - | - | - |
| Dealy Lane (Ranch 80) | 4/13/26 | 67.9 5.6 | 1526 | 44.1 0.1 | 0506 | 45.2 1.6 | 96 0 | 41 7 | 2.2 | 12.3 1.3 | 1827 | WSW | 256 | 0.01 | 21.57 | 0.136 0.055 | 511 199 | 60 10 |
| Carneros (Saintsbury) | 4/13/26 | 69.0 6.7 | 1425 | 41.1 4.2 | 0555 | 45.6 1.2 | 100 0 | 42 7 | 3.1 | 16.8 2.8 | 1837 | WSW | 243 | 0.04 | 7.62 | - | - | 10 10 |
| Suscol Lower (Ranch 35) | 4/13/26 | 67.5 4.6 | 1520 | 43.2 3.7 | 0512 | 45.2 1.7 | - | - | 3.9 | 15.8 6.3 | 1828 | SW | 235 | 0.01 | 20.34 | 0.140 0.072 | 509 270 | 50 10 |
| Suscol Mtn (Ranch 93) | 4/13/26 | 68.4 10.1 | 1419 | 44.8 1.9 | 0609 | 44.2 1.4 | 95 0 | 45 12 | 4.5 | 19.1 7.7 | 1750 | NW | 325 | 0.01 | 16.11 | - | - | 20 10 |
| Suscol Upper (Ranch 92) | 4/13/26 | 66.1 8.1 | 1415 | 44.8 2.8 | 0553 | 44.5 1.3 | 100 8 | 3 54 | 1.9 | 15.8 8.1 | 1544 | SW | 232 | 0.01 | 19.99 | - | - | 20 10 |
| Stanly (Ranch 45) | 4/13/26 | 66.2 4.8 | 1344 | 41.8 5.6 | 0538 | 45.7 1.3 | 97 6 | 45 6 | 3.9 | 17.1 5.0 | 1832 | WSW | 249 | 0.40 | 22.04 | 0.147 0.073 | 550 279 | 60 10 |
| Carneros Upper (Ranch 81) | 4/13/26 | 67.4 6.9 | 1458 | 46.4 1.8 | 0642 | 45.7 0.6 | - | - | 5.0 | 24.0 2.3 | 1813 | W | 260 | - | - | - | - | 20 10 |
| Carneros (Mitsuko) | 4/13/26 | 67.9 5.9 | 1432 | 39.2 3.2 | 0516 | - | - | - | - | - | - | - | - | - | - | - | 0 0 |
| Carneros Lower (Ranch 81) | 4/13/26 | 69.2 6.2 | 1523 | 42.1 1.8 | 0518 | 38.7 39.6 | 100 0 | 0 0 | 0.7 | 10.7 2.6 | 1454 | SSE | 162 | 0.01 | 17.96 | 0.109 0.036 | 413 159 | 0 0 |
| Carneros (Milton Rd) | 4/13/26 | 68.1 6.2 | 1501 | 42.2 4.0 | 0552 | 45.7 1.6 | 96 4 | 44 7 | - | - | - | - | 0.00 | 18.04 | - | - | 0 0 |
| Max | 71.4 | - | 46.4 | - | 48.5 | 100 | 49 | 5.0 | 24.0 | - | - | 0.40 | 31.92 | 0.147 | 550 | - | |
| Avg | - | - | - | - | 44.0 | - | - | 2.6 | - | - | - | - | - | - | - | - | |
| Min | 60.8 | - | 38.9 | - | 34.4 | 95 | 0 | 0.7 | 9.4 | - | - | 0.00 | 7.62 | 0.063 | 217 | - |