| Station | Date | Daily Max Temp (°F) | Time of Max Temp | Daily Min Temp (°F) | Time of Min Temp | Dew Pt (°F) | RH (%) | 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) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rockpile Lower (Cooley) | 3/24/26 | 81.5 3.8 | 1644 | 56.4 3.8 | 0238 | 30.4 0.5 | 28 | 44 6 | 14 2 | 4.2 | 23.0 0.2 | 1951 | W | 268 | 0.00 | 36.97 | - | - | 100 20 |
| Rockpile Upper (Cooley) | 3/24/26 | 78.2 4.6 | 1655 | 53.6 1.9 | 0059 | 29.2 0.6 | 29 | 43 7 | 15 1 | 10.1 | 30.2 0.2 | 2003 | NW | 314 | 0.00 | 37.66 | 0.233 0.004 | 574 35 | 80 20 |
| Cloverdale-East (Ranch 83) | 3/24/26 | 85.3 1.3 | 1630 | 50.2 5.0 | 0159 | 35.8 1.9 | - | - | - | 6.1 | 19.7 1.1 | 0659 | NNW | 333 | 0.00 | 30.99 | 0.198 0.017 | 514 33 | 40 20 |
| Cloverdale-SE (Ranch 38) | 3/24/26 | 85.3 2.6 | 1644 | 51.2 1.1 | 0801 | 36.7 1.5 | 36 | 57 19 | 18 9 | 7.5 | 24.7 3.1 | 0732 | NNE | 16 | 0.00 | 32.45 | 0.208 0.019 | 481 25 | 80 20 |
| Geyserville-North (Hoffman) | 3/24/26 | 89.1 1.8 | 1626 | 42.8 1.2 | 0712 | 39.3 2.7 | 46 | 79 17 | 19 1 | 2.7 | 11.8 1.2 | 1256 | WNW | 286 | 0.00 | 25.50 | 0.165 0.015 | 486 43 | 10 10 |
| Geyserville (Ranch 3) | 3/24/26 | 85.2 0.9 | 1622 | 46.4 2.8 | 0712 | 36.8 4.2 | 40 | 73 27 | 15 0 | 4.2 | 13.3 1.3 | 0914 | WNW | 298 | 0.00 | 31.63 | 0.187 0.024 | 498 36 | 40 10 |
| Geyserville-East (Ranch 40) | 3/24/26 | 87.1 1.9 | 1503 | 49.9 1.4 | 0616 | 38.3 3.4 | 37 | 59 30 | 18 1 | 3.7 | 17.1 0.1 | 1753 | S | 180 | 0.00 | 32.10 | 0.193 0.019 | 529 37 | 40 10 |
| Geyserville-South (Nervo Station) | 3/24/26 | 86.3 1.6 | 1651 | 45.2 0.3 | 0631 | - | - | - | - | 1.9 | 13.1 4.4 | 1238 | NW | 306 | 0.00 | 24.64 | - | - | 40 10 |
| Jimtown-North (Piccolo Ranch 15) | 3/24/26 | 85.6 1.7 | 1639 | 39.7 1.8 | 0641 | 39.5 2.5 | 53 | 100 0 | 14 1 | 1.9 | 12.3 1.1 | 1303 | SW | 234 | 0.00 | 29.34 | 0.148 0.015 | 458 26 | 100 20 |
| HWY 128/Chalk Hill Rd (Landslide) | 3/24/26 | 85.6 0.6 | 1458 | 39.1 2.4 | 0729 | 42.0 1.6 | 62 | 97 3 | 14 5 | 2.0 | 12.8 0.3 | 1728 | SE | 140 | 0.00 | 28.06 | 0.156 0.015 | 453 33 | 90 20 |
| N Chalk Hill Rd (Ranch 63) | 3/24/26 | 85.1 3.0 | 1552 | 37.0 2.4 | 0707 | 40.3 1.9 | 60 | 100 0 | 14 5 | 1.9 | 12.9 1.8 | 1808 | S | 177 | 0.00 | 29.61 | 0.158 0.028 | 461 28 | 90 20 |
| Knights Valley (Bavarian Lion) | 3/24/26 | 83.8 1.9 | 1455 | 35.5 3.9 | 0726 | 40.3 1.2 | 62 | 97 1 | 12 5 | 2.3 | 12.4 0.7 | 1232 | NNW | 340 | 0.00 | 27.72 | 0.164 0.013 | 515 43 | 50 20 |
| Upper Dry Creek Valley | 3/24/26 | 86.0 1.3 | 1656 | 43.8 2.2 | 0612 | 39.6 0.2 | 48 | 88 9 | 15 0 | 1.9 | 10.1 6.7 | 2046 | NNW | 348 | 0.00 | 34.53 | 0.171 0.000 | 548 38 | 80 20 |
| Lower Dry Creek Valley | 3/24/26 | 87.1 2.3 | 1457 | 40.2 1.4 | 0657 | 40.3 2.2 | 53 | 100 0 | 15 1 | 1.8 | 14.2 4.3 | 1204 | N | 355 | 0.00 | 33.46 | 0.167 0.011 | 500 36 | 40 10 |
| Max | 89.1 | - | 56.4 | - | 42.0 | 62 | 100 | 19 | 10.1 | 30.2 | - | - | 0.00 | 37.66 | 0.233 | 574 | - | |
| Avg | - | - | - | - | 37.6 | 46 | - | - | 3.7 | - | - | - | - | - | - | - | - | |
| Min | 78.2 | - | 35.5 | - | 29.2 | 28 | 43 | 12 | 1.8 | 10.1 | - | - | 0.00 | 24.64 | 0.148 | 453 | - |
| Station | Date | Daily Max Temp (°F) | Time of Max Temp | Daily Min Temp (°F) | Time of Min Temp | Dew Pt (°F) | RH (%) | Daily Max RH (%) | Daily Min RH (%) | Wind Spd (mph) | Daily Max Wind (mph) | Time of Max Wind | Daily Rain (In) | Season Precip (In) | Daily ETo (in) | Daily Solar Rad (Cal/cm2) | Powdery Mildew Stress (pts) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Windsor-NW (Ranch 8) | 3/24/26 | 86.5 3.3 | 1618 | 44.7 0.0 | 0613 | 43.4 2.0 | 56 | 84 3 | 24 1 | 0.9 | 10.7 0.2 | 1535 | 0.00 | 29.12 | 0.158 0.015 | 528 36 | 60 |
| Windsor-East (Ranch 16) | 3/24/26 | 82.7 1.6 | 1435 | 38.0 2.9 | 0705 | 40.0 2.9 | 58 | 95 5 | 20 1 | 2.2 | 12.4 0.2 | 1814 | 0.00 | 21.96 | 0.176 0.017 | 529 34 | 70 |
| Mark West-North (Ranch 14) | 3/24/26 | 82.2 1.1 | 1610 | 39.6 2.8 | 0642 | 39.4 3.7 | 55 | 96 1 | 19 3 | 1.2 | 10.2 0.8 | 1709 | 0.00 | 23.74 | 0.031 0.004 | 0 0 | 60 |
| Windsor-SE (Silk Rd) | 3/24/26 | 83.3 2.5 | 1601 | 39.2 1.9 | 0702 | 40.7 2.7 | 60 | 98 2 | 17 0 | 1.6 | 11.0 1.2 | 1744 | 0.00 | 21.14 | 0.164 0.014 | 522 32 | 0 |
| Fulton-NW (Ranch 5) | 3/24/26 | 81.6 2.4 | 1554 | 39.1 2.1 | 0645 | 39.9 1.7 | 58 | 100 0 | 3 0 | 2.2 | 11.9 0.6 | 1731 | 0.00 | 23.97 | 0.173 0.016 | 529 30 | 0 |
| Windsor-South (Laughlin Rd) | 2/27/26 | 81.3 4.8 | 1431 | 49.4 1.9 | 0637 | 53.1 42.4 | 74 | 100 0 | 0 0 | - | - | - | 0.00 | 24.07 | - | - | - |
| Fulton-SE (Barnes Rd) | 3/24/26 | 81.6 2.1 | 1559 | 41.2 1.4 | 0657 | 39.9 3.8 | 54 | 93 2 | 22 4 | 2.0 | 12.8 0.1 | 1750 | 0.00 | 23.01 | - | - | 0 |
| Fulton-SW (Ranch 21) | 3/24/26 | 80.4 1.9 | 1554 | 40.4 0.5 | 0629 | 40.2 3.7 | 57 | 100 0 | 0 0 | 2.4 | 12.2 1.0 | 1721 | 0.00 | 23.44 | 0.179 0.017 | 562 32 | 0 |
| NW Santa Rosa (Piner Road) | 3/24/26 | 82.8 3.0 | 1605 | 39.3 1.9 | 0657 | 42.8 3.4 | 64 | 100 0 | 22 2 | 1.6 | 12.1 0.7 | 1645 | 0.00 | 21.90 | - | - | 0 |
| River Rd South (Denner Ranch) | 3/24/26 | 82.5 4.0 | 1521 | 39.7 0.5 | 0635 | 39.7 2.2 | 60 | 100 0 | 0 0 | 2.5 | 13.6 1.1 | 1658 | - | - | - | - | 0 |
| West Santa Rosa (LOV Vineyard) | 3/24/26 | 81.5 2.5 | 1546 | 40.5 1.6 | 0644 | 40.0 4.0 | 58 | 100 0 | 18 2 | 1.1 | 9.8 1.1 | 1535 | 0.00 | 16.83 | 0.030 0.001 | 8 5 | 0 |
| Guerneville Rd (Prokopakis) | 3/24/26 | 84.7 2.5 | 1535 | 41.3 1.8 | 0653 | 40.2 4.3 | 57 | 97 2 | 17 3 | - | - | - | 0.00 | 23.04 | - | - | 0 |
| Guerneville Rd West (Balletto) | 3/24/26 | 82.1 2.8 | 1540 | 38.7 3.2 | 0700 | 41.7 3.7 | 63 | 98 1 | 22 3 | 1.9 | 10.3 1.2 | 1632 | 0.00 | 22.55 | - | - | 0 |
| Sanchietti Ranch | 3/24/26 | 82.1 4.1 | 1604 | 41.1 1.5 | 0633 | 43.7 3.6 | - | 98 0 | 25 0 | 2.5 | 11.8 0.9 | 1329 | 0.00 | 23.50 | - | - | 0 |
| Occidental Rd (Sebastopol) | 3/24/26 | 82.6 3.6 | 1521 | 39.9 0.9 | 0713 | 46.8 3.3 | 74 | 100 0 | 28 2 | 1.8 | 11.2 1.8 | 1453 | 0.00 | 6.96 | - | - | 0 |
| Lower Westside Rd (Ranch 12) | 3/24/26 | 85.8 3.5 | 1632 | 39.9 2.0 | 0714 | 41.2 3.2 | 59 | 96 4 | 15 2 | 1.3 | 12.1 2.6 | 1357 | 0.00 | 28.30 | - | - | 90 |
| Guerneville (Laughlin Rd) | 3/24/26 | 83.3 4.9 | 1234 | 38.2 4.1 | 0723 | 39.9 3.5 | 62 | 98 0 | 13 7 | 1.8 | 14.5 1.1 | 1324 | 0.00 | 39.24 | - | - | 60 |
| Korbel (Winery) | 3/24/26 | 83.0 2.8 | 1316 | 41.2 3.7 | 0703 | 41.1 4.4 | 61 | 100 0 | 16 3 | 1.2 | 12.1 1.6 | 1348 | 0.00 | 36.61 | - | - | 80 |
| Forestville (Shone Farms) | 3/24/26 | 85.6 2.6 | 1602 | 42.3 0.5 | 0658 | 39.8 4.1 | 51 | 91 6 | 15 1 | 1.8 | 11.4 0.8 | 1416 | 0.00 | 30.31 | 0.162 0.012 | 507 31 | 0 |
| Forestville-NE (Ranch 30) | 3/24/26 | 86.1 4.3 | 1619 | 41.0 0.3 | 0748 | 43.0 2.7 | 62 | 98 1 | 19 3 | 2.1 | 11.5 0.7 | 1358 | 0.00 | 28.46 | 0.170 0.018 | 522 32 | 60 |
| Green Valley Vineyard | 3/24/26 | 80.4 1.6 | 1618 | 42.9 0.6 | 0651 | 38.9 4.3 | 51 | 89 10 | 14 1 | 2.4 | 12.7 4.8 | 1510 | 0.00 | 35.04 | 0.045 0.020 | 2 79 | 0 |
| Green Valley (Sanchietti) | 3/24/26 | 84.0 2.3 | 1614 | 36.8 2.9 | 0709 | - | - | - | - | - | - | - | - | - | - | - | 60 |
| Keefer Ranch (Green Valley) | 3/24/26 | 82.0 1.9 | 1606 | 38.6 1.8 | 0715 | 41.7 2.1 | 64 | 98 0 | 17 0 | - | - | - | 0.00 | 31.31 | - | - | 0 |
| Graton-South (Mill Station Rd) | 3/24/26 | 80.7 4.5 | 1521 | 37.4 1.7 | 0730 | 40.5 3.7 | 62 | 99 0 | 17 1 | 0.5 | 6.0 2.5 | 1757 | 0.00 | 27.62 | - | - | 0 |
| Occidental (Horseshoe Bend) | 3/24/26 | 78.2 1.4 | 1327 | 51.0 2.8 | 0634 | 35.5 6.6 | - | 60 37 | 15 4 | - | - | - | 0.00 | 32.02 | - | - | 80 |
| Sexton Valley (Jacqueline's Blk) | 3/24/26 | 80.6 4.7 | 1446 | 39.9 0.5 | 0707 | 42.1 3.5 | 64 | 100 0 | 21 1 | 1.7 | 9.3 2.2 | 1330 | 0.00 | 15.31 | - | - | 0 |
| Sebastopol Hills (Burnside Rd) | 3/24/26 | 77.3 4.2 | 1545 | 51.1 5.0 | 0719 | 38.5 6.6 | 43 | 62 36 | 23 2 | 1.9 | 12.4 1.4 | 1806 | 0.00 | 27.89 | - | - | 0 |
| Seaview/Fort Ross (Hirsch) | 3/24/26 | 73.3 1.5 | 1514 | 55.0 0.5 | 2325 | 27.3 0.4 | 28 | 43 3 | 9 2 | 3.0 | 13.6 6.7 | 0038 | 0.00 | 48.40 | 0.179 0.001 | 563 31 | 70 |
| Max | 86.5 | - | 55.0 | - | 46.8 | 74 | 100 | 28 | 3.0 | 14.5 | - | 0.00 | 48.40 | 0.179 | 563 | - | |
| Avg | - | - | - | - | 40.3 | 58 | - | - | 1.8 | - | - | - | - | - | - | - | |
| Min | 73.3 | - | 36.8 | - | 27.3 | 28 | 43 | 0 | 0.5 | 6.0 | - | 0.00 | 6.96 | 0.030 | 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) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Upper Rincon Valley | 3/24/26 | 78.8 2.0 | 1434 | 50.0 1.5 | 0703 | 36.5 0.3 | 58 10 | 22 9 | 2.8 0.0 | 11.1 0.3 | 1452 | SE | 142 | 0.00 | 5.41 | 0.177 0.015 | 552 33 | 0 0 |
| Lower Bennett Valley | 3/24/26 | 80.1 2.8 | 1400 | 35.6 2.5 | 0549 | 39.4 3.0 | 100 0 | 24 10 | 2.3 0.3 | 11.8 4.2 | 1429 | WSW | 253 | 0.00 | 22.06 | 0.166 0.017 | 519 31 | 0 0 |
| Kenwood (Wildwood) | 3/24/26 | 79.9 1.5 | 1424 | 41.5 3.0 | 0639 | 40.8 2.0 | 87 10 | 22 9 | 3.6 0.3 | 13.4 2.2 | 1533 | NNW | 329 | 0.00 | 26.90 | 0.165 0.016 | 484 32 | 100 10 |
| Sonoma Valley (Bedrock) | 3/24/26 | 80.8 1.3 | 1604 | 42.6 0.9 | 0700 | 37.4 3.0 | 79 18 | 19 1 | - | - | - | - | 0.00 | 23.11 | - | - | 100 0 |
| Sonoma-West (Arnold) | 3/24/26 | 82.2 2.8 | 1349 | 39.3 0.5 | 0718 | 40.4 0.0 | 92 8 | 24 11 | 2.6 0.0 | 15.2 2.7 | 1513 | SW | 214 | 0.00 | 17.20 | 0.196 0.014 | 601 31 | 100 10 |
| Sonoma Valley HS | 3/24/26 | 82.8 4.5 | 1400 | 41.5 3.1 | 0709 | 42.9 0.9 | 99 1 | 25 10 | 1.8 0.1 | 7.7 3.3 | 1911 | SW | 229 | 0.00 | 5.29 | 0.167 0.013 | 540 24 | 80 20 |
| Sonoma East (Bundschu01) | 3/24/26 | 80.4 2.8 | 1402 | 40.3 3.2 | 0725 | 39.4 1.9 | 90 3 | 22 8 | 2.9 0.1 | 19.3 1.1 | 1433 | W | 267 | 0.00 | 17.48 | 0.179 0.012 | 551 22 | 80 20 |
| Schellville (Sasaki) | 2/4/26 | 70.2 | 1502 | 39.9 | 0001 | 48.4 | 98 | 51 | 2.9 | 11.8 | 1113 | NE | 34 | 0.00 | 0.00 | - | - | 0 |
| Sonoma-SE (Napoli) | 3/24/26 | 81.1 1.8 | 1402 | 39.8 3.0 | 0721 | 38.6 2.5 | 91 3 | 20 6 | 2.1 0.0 | 19.2 2.0 | 1654 | WSW | 246 | 0.00 | 14.95 | - | - | 0 0 |
| Ricci Vineyards (Carneros) | 3/24/26 | 80.3 2.0 | 1403 | 40.0 2.9 | 0722 | 37.1 4.2 | 94 2 | 21 6 | 4.9 0.6 | 18.9 1.4 | 2043 | W | 276 | 0.00 | 18.75 | 0.207 0.019 | 572 26 | 0 0 |
| Carneros (Ranch 71) | 3/24/26 | 79.5 2.8 | 1414 | 51.1 2.9 | 0729 | 35.4 4.6 | 62 26 | 19 6 | 4.4 0.2 | 19.8 3.5 | 1653 | SW | 234 | 0.00 | 16.20 | 0.201 0.011 | 553 26 | 50 20 |
| Carneros Upper (Ranch 81) | 3/24/26 | 81.3 3.1 | 1423 | 51.2 2.8 | 0748 | 34.6 4.3 | - | - | 6.9 0.8 | 25.0 3.1 | 1840 | W | 273 | - | - | - | - | 100 0 |
| Carneros Lower (Ranch 81) | 3/24/26 | 87.7 4.6 | 1412 | 41.2 2.8 | 0727 | 38.0 2.8 | 100 0 | 0 0 | - | 13.2 1.3 | 1833 | NW | 307 | 0.00 | 16.94 | 0.133 0.011 | 422 21 | 0 0 |
| Rohnert Park-West (Stony Point) | 3/24/26 | 76.2 3.8 | 1306 | 36.5 2.0 | 0703 | 40.9 4.1 | 98 0 | 29 4 | 2.0 0.2 | 14.2 1.7 | 1549 | SW | 215 | 0.00 | 6.33 | - | - | 0 0 |
| Cartograph Wines Base | 3/24/26 | 73.6 3.9 | 1253 | 49.9 6.0 | 0255 | 38.2 7.9 | 77 23 | 22 14 | 4.0 1.0 | 18.9 2.8 | 1856 | S | 174 | 0.00 | 22.43 | 0.172 0.031 | 534 28 | 0 0 |
| Cartograph Wines Remote | 3/24/26 | 75.5 1.1 | 1240 | 38.9 1.1 | 0654 | - | - | - | - | - | - | - | - | - | - | - | 30 10 |
| Rice-Spivak Vineyard | 3/24/26 | 75.2 4.2 | 1256 | 31.6 1.9 | 0633 | - | - | - | - | - | - | - | - | - | - | - | 0 0 |
| Penngrove (Asellus) | 3/24/26 | 77.2 3.0 | 1252 | 38.6 0.7 | 0425 | 39.4 3.1 | 96 2 | 24 2 | 2.5 0.4 | 11.6 2.1 | 1350 | W | 281 | 0.00 | 45.71 | - | - | 0 0 |
| Petaluma (Ranch 10) | 3/24/26 | 81.8 2.6 | 1327 | 37.9 2.5 | 0636 | 34.5 3.9 | 96 4 | 14 6 | 2.7 0.8 | 17.4 2.8 | 1432 | W | 265 | 0.00 | 15.67 | 0.179 0.018 | 506 23 | 80 20 |
| Max | 87.7 | - | 51.2 | - | 42.9 | 100 | 29 | 6.9 | 25.0 | - | - | 0.00 | 45.71 | 0.207 | 601 | - | |
| Avg | - | - | - | - | 38.3 | - | - | 3.2 | - | - | - | - | - | - | - | - | |
| Min | 73.6 | - | 31.6 | - | 34.5 | 58 | 0 | 1.8 | 7.7 | - | - | 0.00 | 5.29 | 0.133 | 422 | - |