| 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 | 4/9/26 | 67.1 7.8 | 1300 | 44.2 2.9 | 0325 | - | - | - | - | - | - | - | 0.00 | 43.59 | - | - | 80 10 |
| Pope Valley (Weeks Lake) | 4/9/26 | 73.2 8.1 | 1409 | 43.1 3.9 | 0339 | 48.9 1.0 | 100 0 | 43 11 | 2.6 | 16.4 2.2 | 1710 | W | 279 | 0.00 | 22.17 | 0.139 0.016 | 455 1 | 90 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 | 4/9/26 | 76.6 6.3 | 1408 | 50.7 4.3 | 0415 | 52.9 1.1 | 99 2 | 45 11 | 4.8 | 22.4 0.6 | 1658 | SW | 229 | 0.00 | 19.65 | 0.172 0.031 | 550 14 | 100 0 |
| Dollarhide 1AS Remote | 4/9/26 | 75.7 5.8 | 1404 | 46.1 4.9 | 0343 | 50.9 1.0 | 95 0 | 45 9 | 3.4 | 20.2 4.2 | 1347 | S | 169 | - | - | - | - | 90 10 |
| Dollarhide 17B Remote | 4/9/26 | 76.5 6.0 | 1412 | 48.0 5.3 | 0342 | 52.3 1.1 | 100 0 | 47 16 | - | - | - | - | - | - | - | - | 100 0 |
| Dollarhide 18A Remote | 4/9/26 | 75.6 6.4 | 1410 | 43.5 4.8 | 0334 | 50.6 1.3 | 99 0 | 45 10 | - | - | - | - | - | - | - | - | 90 10 |
| Angwin | 4/9/26 | 65.0 6.6 | 1415 | 49.1 6.5 | 2326 | 47.8 2.6 | 100 20 | 54 22 | 3.4 | 17.6 1.5 | 1103 | SSE | 154 | 0.00 | 39.79 | 0.024 0.020 | 0 0 | 20 10 |
| Lower Angwin (Pioneer) | 4/9/26 | 66.3 8.5 | 1334 | 44.2 0.6 | 2310 | - | - | - | 3.1 | 16.2 0.9 | 1812 | SW | 232 | - | - | - | - | 30 10 |
| Deer Park | 4/9/26 | 74.0 6.7 | 1352 | 50.6 3.9 | 0510 | 51.4 1.5 | 99 6 | 47 14 | 3.7 | 14.9 1.3 | 1421 | SW | 220 | 0.00 | 24.33 | 0.115 0.011 | 350 15 | 90 10 |
| Lower Chiles Valley (Brown) | 4/9/26 | 71.5 7.9 | 1413 | 45.0 3.2 | 0317 | 50.5 1.6 | 100 2 | 44 10 | 3.1 | 16.9 0.9 | 1718 | WNW | 293 | 0.00 | 21.36 | 0.136 0.028 | 461 62 | 90 10 |
| Moss Creek Vineyard/Reservior | 4/9/26 | 75.7 7.1 | 1307 | 49.0 3.8 | 0359 | 49.9 1.2 | 96 2 | 36 6 | - | - | - | - | 0.00 | 23.90 | - | - | 100 0 |
| Max | 76.6 | - | 50.7 | - | 52.9 | 100 | 54 | 4.8 | 22.4 | - | - | 0.00 | 43.59 | 0.172 | 550 | - | |
| Avg | - | - | - | - | 50.6 | - | - | 3.4 | - | - | - | - | - | - | - | - | |
| Min | 65.0 | - | 43.1 | - | 47.8 | 95 | 36 | 2.6 | 14.9 | - | - | 0.00 | 19.65 | 0.024 | 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 | 4/9/26 | 85.2 | 1432 | 45.2 | 0634 | 52.9 | 98 | 36 | - | - | - | - | 0.00 | 28.45 | - | - | 60 |
| 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) | 4/9/26 | 71.0 8.6 | 1613 | 49.8 0.5 | 0607 | 51.6 2.0 | 100 12 | 49 12 | - | - | - | - | 0.00 | 27.04 | - | - | 90 10 |
| Diamond Mtn (McEachran) | 4/9/26 | 71.6 7.7 | 1543 | 50.2 2.7 | 0442 | 51.4 1.5 | 99 9 | 43 7 | - | - | - | - | - | - | - | - | 90 10 |
| St. Helena-North | 4/9/26 | 74.5 8.6 | 1344 | 49.0 3.7 | 0451 | 49.8 1.8 | 99 9 | 39 10 | 1.9 | 13.2 0.0 | 1801 | SSE | 163 | 0.00 | 27.35 | 0.127 0.007 | 411 2 | 90 10 |
| St. Helena (NVV Office) | 4/9/26 | 76.5 7.6 | 1534 | 50.6 4.6 | 0453 | - | - | - | 1.3 | 10.4 0.3 | 1431 | S | 178 | 0.00 | 24.05 | - | - | 100 0 |
| Tiara Fria (East St. Helena) | 4/9/26 | 74.9 8.1 | 1608 | 49.2 3.7 | 0430 | 50.9 1.4 | 96 3 | 42 10 | 2.8 | 17.1 1.2 | 1428 | WSW | 249 | 0.00 | 22.33 | - | - | 90 10 |
| Rutherford Hill Estate | 4/9/26 | 75.2 7.9 | 1544 | 51.1 4.0 | 0522 | 51.6 1.2 | 100 0 | 42 11 | 2.1 | 16.7 3.9 | 1427 | WSW | 257 | 0.00 | 21.81 | 0.131 0.007 | 435 3 | 90 10 |
| Rutherford-North (Mee Ln) | 4/9/26 | 76.5 6.7 | 1403 | 45.6 4.3 | 0424 | 50.2 0.8 | 100 4 | 40 8 | 2.6 | 19.5 3.7 | 1410 | WSW | 253 | 0.00 | 20.92 | 0.137 0.018 | 439 43 | 100 0 |
| Rutherford (STS) | 4/9/26 | 78.7 6.8 | 1345 | 46.9 4.0 | 0430 | 51.4 0.3 | 91 1 | 44 7 | 2.2 | 17.9 0.2 | 1435 | WSW | 255 | 0.00 | 22.08 | 0.156 0.028 | 524 63 | 100 0 |
| Oakville-NE (Ranch 88) | 4/9/26 | 77.1 6.8 | 1404 | 47.0 4.9 | 0421 | 49.1 1.6 | 95 4 | 37 9 | 2.1 | 16.6 0.3 | 1600 | WNW | 299 | 0.00 | 21.48 | 0.149 0.023 | 480 53 | 0 0 |
| OV561-East | 4/9/26 | 76.9 7.6 | 1630 | 48.4 5.1 | 0418 | - | - | - | - | - | - | - | - | - | - | - | 70 10 |
| Oakville | 4/9/26 | 75.2 7.6 | 1524 | 47.4 4.4 | 0419 | 50.7 1.4 | 97 0 | 42 11 | 3.2 | 15.7 0.8 | 1434 | WSW | 239 | 0.00 | 21.93 | 0.154 0.019 | 497 38 | 90 10 |
| OV518-West | 4/9/26 | 75.4 6.4 | 1336 | 48.0 5.2 | 0409 | - | - | - | - | - | - | - | - | - | - | - | 90 10 |
| To Kalon Remote (TKKE) | 4/9/26 | 76.9 6.4 | 1336 | 46.4 3.3 | 0431 | - | - | - | - | - | - | - | - | - | - | - | 100 10 |
| To Kalon | 4/9/26 | 75.0 7.3 | 1544 | 48.0 5.1 | 0343 | 51.7 1.4 | 98 0 | 46 12 | 2.7 | 15.2 1.7 | 1658 | WNW | 288 | 0.00 | 23.88 | 0.136 0.023 | 440 70 | 90 10 |
| To Kalon Remote (TKN5) | 4/9/26 | 76.3 7.5 | 1340 | 47.2 3.9 | 0349 | - | - | - | - | - | - | - | - | - | - | - | 80 10 |
| Yountville (Ranch 67) | 4/9/26 | 75.5 7.3 | 1530 | 47.8 4.6 | 0312 | 49.5 1.6 | 96 1 | 38 9 | 3.2 | 16.4 1.6 | 1537 | SSW | 210 | 0.00 | 20.20 | 0.161 0.007 | 542 7 | 90 10 |
| Stags Leap Dist (Silverado Vineyards) | 4/9/26 | 74.3 10.0 | 1533 | 47.3 4.1 | 0326 | 50.2 1.4 | 95 1 | 41 13 | 2.0 | 15.7 4.4 | 1359 | S | 177 | 0.00 | 24.16 | 0.140 0.001 | 468 13 | 100 20 |
| Borreo (Soda Canyon) | 4/9/26 | 72.8 8.1 | 1536 | 46.4 3.5 | 0345 | 50.0 2.0 | 98 0 | 42 11 | 2.0 | 11.3 0.8 | 1325 | ESE | 104 | 0.00 | 24.14 | 0.139 0.017 | 487 36 | 80 20 |
| Wappo Hill Floor | 4/9/26 | 76.3 7.3 | 1631 | 46.0 4.9 | 0327 | 51.3 1.8 | 100 0 | 41 9 | 3.0 | 14.7 0.7 | 1942 | NW | 310 | 0.00 | 23.50 | 0.154 0.007 | 494 1 | 100 20 |
| Stags Leap Dist (Chimney Rock) | 4/9/26 | 75.2 7.7 | 1540 | 46.9 3.5 | 0313 | 52.6 1.8 | 100 0 | 47 11 | 3.2 | 15.4 1.7 | 1323 | S | 169 | 0.00 | 22.77 | 0.139 0.011 | 454 5 | 90 10 |
| Yountville-South (Ranch 87) | 4/9/26 | 74.7 8.4 | 1527 | 47.7 4.7 | 0306 | 51.8 1.6 | 100 0 | 44 13 | 2.5 | 14.8 2.3 | 1425 | SW | 225 | 0.00 | 23.91 | 0.140 0.008 | 457 12 | 50 20 |
| Yountville-SE (Ranch 85) | 4/9/26 | 76.0 7.5 | 1634 | 48.2 5.0 | 0319 | 51.9 1.8 | 97 0 | 43 8 | 2.0 | 12.2 0.1 | 1949 | N | 1 | 0.00 | 22.44 | - | 0 0 | 70 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) | 4/9/26 | 77.3 6.4 | 1546 | 48.7 5.0 | 0354 | 50.7 1.0 | 100 0 | 38 10 | 1.4 | 12.0 0.1 | 1409 | SW | 225 | 0.00 | 23.03 | - | 0 0 | 100 0 |
| Napa-North (Ranch 29) | 4/9/26 | 74.8 8.0 | 1540 | 49.2 5.1 | 0332 | 52.6 2.1 | 100 0 | 44 7 | 2.1 | 15.6 0.5 | 1616 | SSW | 192 | 0.00 | 20.62 | 0.111 0.007 | 344 9 | 100 20 |
| Max | 85.2 | - | 51.1 | - | 52.9 | 100 | 49 | 3.2 | 19.5 | - | - | 0.00 | 28.45 | 0.161 | 542 | - | |
| Avg | - | - | - | - | 51.1 | - | - | 2.4 | - | - | - | - | - | - | - | - | |
| Min | 71.0 | - | 45.2 | - | 49.1 | 91 | 36 | 1.3 | 10.4 | - | - | 0.00 | 20.20 | 0.111 | 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 | 4/9/26 | 67.8 8.4 | 1235 | 49.4 3.2 | 0053 | 49.6 1.9 | 96 16 | 45 9 | 1.7 | 14.7 5.8 | 1346 | SSE | 166 | 0.00 | 29.86 | 0.115 0.018 | 409 23 | 60 10 |
| Mount George (Napa East) | 4/9/26 | 72.8 7.0 | 1632 | 48.5 4.9 | 0313 | 51.8 1.6 | 96 2 | 48 7 | 1.5 | 12.2 0.7 | 1537 | WSW | 250 | 0.00 | 12.38 | 0.134 0.018 | 465 59 | 90 10 |
| Napa-East (Palmaz 300') | 4/9/26 | 74.6 7.6 | 1354 | 49.0 3.9 | 0336 | 52.2 1.8 | 100 0 | 44 5 | 2.1 | 12.3 1.3 | 1737 | WSW | 242 | 0.00 | 18.82 | 0.130 0.018 | 429 52 | 100 20 |
| Napa-East (Palmaz 1200') | 4/8/26 | 75.8 7.7 | 1612 | 44.0 1.8 | 0646 | 48.0 4.0 | 100 0 | 5 4 | 2.4 | 17.4 3.7 | 0940 | WNW | 300 | - | - | 0.147 0.013 | 523 4 | 60 10 |
| Napa-East (Palmaz 1400') | 4/9/26 | 68.8 6.6 | 1421 | 48.6 1.5 | 0248 | 52.0 2.3 | 100 5 | 54 7 | 2.6 | 15.3 1.6 | 1356 | SW | 224 | 0.00 | 25.60 | 0.117 0.032 | 446 74 | 50 10 |
| Wooden Valley | 4/9/26 | 71.7 6.5 | 1356 | 46.8 1.3 | 0312 | 50.4 1.5 | 97 6 | 46 6 | 4.2 | 17.9 0.5 | 1403 | WSW | 256 | 0.00 | 24.50 | 0.153 0.013 | 536 4 | 50 10 |
| Napa-West Upper (Truchard) | 4/9/26 | 74.8 7.6 | 1537 | 48.0 2.3 | 0306 | 11.6 9.2 | 100 0 | 0 0 | 3.2 | 16.1 1.9 | 1300 | SSW | 200 | 0.00 | 20.48 | 0.144 0.026 | 460 74 | 70 10 |
| Napa-West Lower (Truchard) | 4/9/26 | 77.3 8.4 | 1536 | 43.3 3.0 | 0239 | 50.7 2.0 | 100 0 | 42 9 | - | - | - | - | - | - | - | - | 70 20 |
| Napa-South (Toyon Farms) | 4/9/26 | 73.5 7.9 | 1649 | 50.1 3.8 | 0307 | 54.1 1.3 | 100 0 | 56 9 | 3.0 | 17.3 1.8 | 1124 | SSW | 204 | 0.00 | 14.27 | 0.076 0.018 | 243 34 | 70 10 |
| Toyon Remote 1 | 4/9/26 | 76.1 7.9 | 1257 | 43.8 5.0 | 0311 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 2 | 4/9/26 | 74.6 6.3 | 1403 | 47.2 5.0 | 0305 | - | - | - | - | - | - | - | - | - | - | - | - |
| Toyon Remote 3 | 4/9/26 | 76.1 9.2 | 1703 | 45.6 3.9 | 0249 | - | - | - | - | - | - | - | - | - | - | - | - |
| Dealy Lane (Ranch 80) | 4/9/26 | 74.3 6.7 | 1553 | 46.4 2.1 | 0230 | 51.3 1.4 | 96 0 | 48 8 | 2.3 | 11.3 2.6 | 1610 | SSE | 148 | 0.00 | 19.68 | 0.140 0.022 | 484 60 | 100 20 |
| Carneros (Saintsbury) | 4/9/26 | 72.8 7.4 | 1644 | 45.0 2.5 | 0343 | 51.7 1.4 | 100 0 | 53 12 | 3.6 | 15.8 3.8 | 1918 | WSW | 247 | 0.00 | 5.97 | - | - | 50 10 |
| Suscol Lower (Ranch 35) | 4/9/26 | 73.7 6.8 | 1441 | 51.3 6.6 | 0059 | 52.7 2.6 | - | - | 4.2 | 16.1 1.9 | 1426 | SSW | 194 | 0.00 | 18.65 | 0.139 0.016 | 452 43 | 90 10 |
| Suscol Mtn (Ranch 93) | 4/9/26 | 72.9 6.6 | 1344 | 50.7 2.9 | 0258 | 52.3 2.0 | 100 5 | 47 1 | 6.5 | 19.2 3.8 | 1408 | WNW | 286 | 0.00 | 14.30 | - | - | 60 10 |
| Suscol Upper (Ranch 92) | 4/9/26 | 71.4 5.4 | 1621 | 51.1 3.4 | 0236 | 39.4 10.0 | 100 0 | 3 0 | 4.1 | 15.2 5.0 | 1456 | SSW | 197 | 0.00 | 18.55 | - | - | 60 10 |
| Stanly (Ranch 45) | 4/9/26 | 74.9 6.7 | 1503 | 49.7 7.7 | 0216 | 51.7 2.1 | 95 2 | 45 6 | 4.9 | 16.8 2.9 | 1253 | SW | 230 | 0.00 | 20.12 | 0.173 0.008 | 568 5 | 100 20 |
| Carneros Upper (Ranch 81) | 4/9/26 | 73.7 5.9 | 1601 | 49.5 0.3 | 0311 | 31.8 17.6 | - | - | 7.0 | 20.8 4.6 | 1821 | WSW | 246 | - | - | - | - | 60 10 |
| Carneros (Mitsuko) | 4/9/26 | 73.5 7.4 | 1535 | 43.1 2.2 | 0333 | - | - | - | - | - | - | - | - | - | - | - | 20 10 |
| Carneros Lower (Ranch 81) | 4/9/26 | 76.5 8.0 | 1519 | 50.4 4.2 | 0255 | 33.9 17.0 | 100 0 | 0 0 | 0.9 | 11.5 1.8 | 1532 | SSE | 166 | 0.00 | 16.94 | 0.119 0.011 | 394 41 | 20 10 |
| Carneros (Milton Rd) | 4/9/26 | 74.5 6.9 | 1448 | 49.0 6.1 | 0243 | 52.6 2.5 | 95 0 | 49 11 | - | - | - | - | 0.00 | 17.12 | - | - | 30 10 |
| Max | 77.3 | - | 51.3 | - | 54.1 | 100 | 56 | 7.0 | 20.8 | - | - | 0.00 | 29.86 | 0.173 | 568 | - | |
| Avg | - | - | - | - | 46.5 | - | - | 3.4 | - | - | - | - | - | - | - | - | |
| Min | 67.8 | - | 43.1 | - | 11.6 | 95 | 0 | 0.9 | 11.3 | - | - | 0.00 | 5.97 | 0.076 | 243 | - |