| 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) | 3/6/26 | 71.6 9.7 | 1503 | 41.5 1.4 | 0524 | 37.0 1.3 | 54 | 89 1 | 16 25 | - | 14.2 7.8 | 1313 | NNW | 340 | 0.00 | 36.97 | - | - | 0 0 |
| Rockpile Upper (Cooley) | 3/6/26 | 66.5 10.2 | 1416 | 38.5 1.7 | 0342 | 36.0 1.5 | 57 | 95 2 | 18 29 | 10.1 | 25.9 6.8 | 0219 | NW | 316 | 0.00 | 37.66 | 0.153 0.042 | 485 3 | 0 0 |
| Cloverdale-East (Ranch 83) | 3/6/26 | 74.6 8.7 | 1519 | 42.1 2.1 | 0636 | 39.8 0.1 | - | - | - | 6.8 | 20.1 2.1 | 0955 | NW | 304 | 0.00 | 30.99 | 0.142 0.022 | 430 3 | 0 0 |
| Cloverdale-SE (Ranch 38) | 3/6/26 | 73.4 8.2 | 1513 | 42.9 0.1 | 0439 | 40.1 0.2 | 58 | 90 7 | 25 15 | 9.7 | 23.8 2.7 | 1052 | NNW | 334 | 0.00 | 32.45 | 0.148 0.025 | 404 2 | 0 0 |
| Geyserville-North (Hoffman) | 3/6/26 | 80.2 14.5 | 1616 | 42.0 3.0 | 0545 | 39.8 9.5 | 58 | 86 46 | 17 0 | 4.6 | 16.6 7.0 | 1029 | NNW | 330 | 0.00 | 25.50 | 0.129 0.042 | 401 11 | 0 0 |
| Geyserville (Ranch 3) | 3/6/26 | 76.4 9.1 | 1538 | 43.2 0.7 | 0638 | 38.4 0.9 | 56 | 85 5 | 15 15 | 5.9 | 17.4 1.9 | 0738 | WNW | 283 | 0.00 | 31.63 | 0.148 0.013 | 436 3 | 0 0 |
| Geyserville-East (Ranch 40) | 3/6/26 | 75.9 9.3 | 1456 | 42.2 0.3 | 0443 | 39.1 1.4 | 55 | 90 7 | 16 22 | 6.6 | 30.5 9.0 | 1440 | NE | 35 | 0.00 | 32.10 | 0.164 0.035 | 454 5 | 0 0 |
| Geyserville-South (Nervo Station) | 3/6/26 | 76.0 8.6 | 1539 | 45.8 0.2 | 0552 | - | - | - | - | 3.9 | 17.2 6.7 | 0216 | NW | 323 | 0.00 | 24.64 | - | - | 0 0 |
| Jimtown-North (Piccolo Ranch 15) | 3/6/26 | 77.6 10.5 | 1427 | 36.0 6.8 | 0604 | 36.6 1.5 | 56 | 100 21 | 12 17 | 3.0 | 24.1 0.0 | 1432 | N | 8 | 0.00 | 29.34 | 0.125 0.004 | 379 5 | 0 0 |
| HWY 128/Chalk Hill Rd (Landslide) | 3/6/26 | 76.7 7.7 | 1503 | 36.4 1.7 | 0559 | 36.1 3.5 | 53 | 98 1 | 12 19 | 5.0 | 21.9 4.5 | 1625 | NE | 36 | 0.00 | 28.06 | 0.151 0.035 | 380 0 | 0 0 |
| N Chalk Hill Rd (Ranch 63) | 3/6/26 | 75.8 8.9 | 1524 | 41.8 2.2 | 0042 | 35.4 3.1 | 50 | 91 11 | 13 17 | 4.3 | 24.9 4.2 | 1357 | NE | 43 | 0.00 | 29.61 | 0.147 0.023 | 388 6 | 0 0 |
| Knights Valley (Bavarian Lion) | 3/6/26 | 74.2 5.2 | 1541 | 34.6 2.4 | 0551 | 31.6 6.0 | 47 | 97 0 | 10 18 | 4.8 | 23.8 6.7 | 1449 | ENE | 70 | 0.00 | 27.72 | 0.163 0.039 | 443 7 | 0 0 |
| Upper Dry Creek Valley | 3/6/26 | 77.0 10.4 | 1455 | 42.4 0.9 | 0452 | 39.3 0.5 | 56 | 88 0 | 13 22 | 4.3 | 18.6 0.1 | 0927 | W | 280 | 0.00 | 34.53 | 0.143 0.008 | 459 3 | 0 0 |
| Lower Dry Creek Valley | 3/6/26 | 77.5 9.5 | 1444 | 43.6 0.4 | 0543 | 39.1 1.4 | 56 | 84 3 | 14 20 | 6.0 | 18.6 0.6 | 1557 | N | 355 | 0.00 | 33.46 | 0.150 0.011 | 425 3 | 0 0 |
| Max | 80.2 | - | 45.8 | - | 40.1 | 58 | 100 | 25 | 10.1 | 30.5 | - | - | 0.00 | 37.66 | 0.164 | 485 | - | |
| Avg | - | - | - | - | 37.6 | 55 | - | - | 5.8 | - | - | - | - | - | - | - | - | |
| Min | 66.5 | - | 34.6 | - | 31.6 | 47 | 84 | 10 | 3.0 | 14.2 | - | - | 0.00 | 24.64 | 0.125 | 379 | - |
| 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) | 3/6/26 | 83.2 14.0 | 1519 | 46.6 0.2 | 0612 | 40.6 1.9 | 52 | 80 2 | 17 17 | 4.8 | 17.3 3.1 | 1614 | 0.00 | 29.12 | 0.150 0.011 | 452 5 | 0 |
| Windsor-East (Ranch 16) | 3/6/26 | 75.9 7.7 | 1428 | 45.1 4.8 | 0643 | 36.8 3.0 | 53 | 84 7 | 11 18 | 4.3 | 21.6 4.6 | 1336 | 0.00 | 21.96 | 0.148 0.012 | 449 7 | 0 |
| Mark West-North (Ranch 14) | 3/6/26 | 75.7 6.4 | 1437 | 43.6 1.4 | 0652 | 35.2 3.5 | 46 | 81 6 | 12 13 | 4.3 | 18.4 8.0 | 1514 | 0.00 | 23.74 | 0.071 0.031 | 0 0 | 0 |
| Windsor-SE (Silk Rd) | 3/6/26 | 75.8 7.7 | 1508 | 38.5 8.8 | 0701 | 36.7 2.3 | 53 | 95 24 | 13 13 | 3.8 | 18.2 1.1 | 1653 | 0.00 | 21.14 | 0.148 0.007 | 451 3 | 0 |
| Fulton-NW (Ranch 5) | 3/6/26 | 75.5 7.8 | 1438 | 44.8 1.5 | 0619 | 35.4 4.0 | 44 | 79 5 | 13 15 | 6.0 | 20.8 2.5 | 2329 | 0.00 | 23.97 | 0.173 0.031 | 460 4 | 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) | 3/6/26 | 77.4 7.6 | 1456 | 44.2 0.9 | 0306 | 38.3 3.2 | 49 | 86 3 | 16 15 | 2.5 | 17.5 0.2 | 1321 | 0.00 | 23.01 | - | - | 0 |
| Fulton-SW (Ranch 21) | 3/6/26 | 74.7 7.3 | 1444 | 41.2 4.3 | 0627 | 36.9 3.5 | 49 | 87 9 | 16 16 | 5.6 | 19.7 0.3 | 1517 | 0.00 | 23.44 | 0.169 0.030 | 484 5 | 0 |
| NW Santa Rosa (Piner Road) | 3/6/26 | 75.5 5.9 | 1438 | 39.8 4.4 | 0624 | 40.0 2.9 | 54 | 100 13 | 18 14 | 3.5 | 20.2 9.2 | 1600 | 0.00 | 21.90 | - | - | 0 |
| River Rd South (Denner Ranch) | 3/6/26 | 77.3 6.8 | 1427 | 37.1 6.3 | 0607 | 36.5 2.3 | 53 | 100 24 | 13 9 | 5.1 | 21.9 5.3 | 1622 | - | - | - | - | 0 |
| West Santa Rosa (LOV Vineyard) | 3/6/26 | 75.6 6.4 | 1457 | 38.5 6.6 | 0633 | 35.6 3.1 | 47 | 93 19 | 13 11 | 4.9 | 20.7 5.4 | 1615 | 0.00 | 16.59 | 0.082 0.026 | 0 0 | 0 |
| Guerneville Rd (Prokopakis) | 3/6/26 | 75.8 7.0 | 1515 | 38.6 6.0 | 0648 | 36.7 2.8 | 51 | 97 19 | 12 12 | - | - | - | 0.00 | 23.03 | - | - | 0 |
| Guerneville Rd West (Balletto) | 3/6/26 | 76.0 7.1 | 1502 | 38.4 2.0 | 0600 | 38.8 2.5 | 52 | 97 5 | 17 13 | 5.3 | 18.7 3.9 | 1559 | 0.00 | 22.55 | - | - | 0 |
| Sanchietti Ranch | 3/6/26 | 75.7 6.2 | 1458 | 43.1 0.1 | 0553 | 40.9 2.4 | - | 89 0 | 19 12 | 6.5 | 22.0 6.3 | 1500 | 0.00 | 23.50 | - | - | 0 |
| Occidental Rd (Sebastopol) | 3/6/26 | 75.7 6.5 | 1443 | 39.7 1.8 | 0551 | 45.2 2.7 | 67 | 100 0 | 27 16 | 6.0 | 24.6 9.0 | 2358 | 0.00 | 6.94 | - | - | 0 |
| Lower Westside Rd (Ranch 12) | 3/6/26 | 79.6 9.0 | 1516 | 38.4 7.7 | 0526 | 38.5 0.4 | 60 | 95 23 | 14 9 | 1.4 | 10.6 4.2 | 1155 | 0.00 | 28.30 | - | - | 0 |
| Guerneville (Laughlin Rd) | 3/6/26 | 78.6 8.1 | 1440 | 36.3 0.1 | 0402 | 39.1 0.5 | 71 | 98 0 | 11 9 | 1.2 | 13.3 1.1 | 1605 | 0.00 | 39.24 | - | - | 0 |
| Korbel (Winery) | 3/6/26 | 77.3 8.0 | 1509 | 39.2 1.9 | 0719 | 40.0 0.2 | 69 | 100 0 | 12 11 | 1.5 | 15.3 0.1 | 1537 | 0.00 | 36.60 | - | - | 0 |
| Forestville (Shone Farms) | 3/6/26 | 77.8 8.2 | 1543 | 39.0 8.0 | 0417 | 36.7 2.0 | 50 | 94 26 | 15 12 | 3.9 | 19.3 2.3 | 1615 | 0.00 | 30.31 | 0.146 0.009 | 431 4 | 0 |
| Forestville-NE (Ranch 30) | 3/6/26 | 78.3 9.8 | 1549 | 37.2 7.4 | 0548 | 40.0 0.4 | 63 | 99 22 | 19 10 | 2.4 | 14.4 3.2 | 1418 | 0.00 | 28.46 | 0.130 0.006 | 450 3 | 0 |
| Green Valley Vineyard | 3/6/26 | 75.6 5.5 | 1532 | 37.1 2.5 | 0628 | 36.3 1.3 | 55 | 97 7 | 14 5 | 2.8 | 17.5 3.1 | 1623 | 0.00 | 35.04 | 0.058 0.020 | 80 71 | 0 |
| Green Valley (Sanchietti) | 3/6/26 | 76.9 6.1 | 1550 | 34.7 1.1 | 0653 | - | - | - | - | - | - | - | - | - | - | - | 0 |
| Keefer Ranch (Green Valley) | 3/6/26 | 75.4 5.9 | 1503 | 34.9 1.6 | 0544 | 39.9 0.3 | 70 | 99 2 | 23 5 | - | - | - | 0.00 | 31.31 | - | - | 0 |
| Graton-South (Mill Station Rd) | 3/6/26 | 75.9 6.4 | 1553 | 33.5 0.5 | 0546 | 35.9 1.9 | 61 | 99 0 | 13 9 | 1.2 | 9.8 1.1 | 1533 | 0.00 | 27.62 | - | - | 0 |
| Occidental (Horseshoe Bend) | 3/6/26 | 73.6 7.0 | 1511 | 45.8 2.0 | 0459 | 34.1 5.6 | - | 73 3 | 16 13 | - | - | - | 0.01 | 16.41 | - | - | 0 |
| Sexton Valley (Jacqueline's Blk) | 3/6/26 | 75.8 6.0 | 1534 | 34.4 0.4 | 0720 | 38.6 1.5 | 66 | 100 0 | 20 6 | 2.4 | 17.1 4.2 | 1624 | 0.00 | 15.31 | - | - | 0 |
| Sebastopol Hills (Burnside Rd) | 3/6/26 | 74.6 6.4 | 1525 | 41.0 3.0 | 0633 | 38.4 1.8 | 52 | 93 13 | 20 7 | 3.8 | 16.5 3.6 | 2351 | 0.00 | 27.89 | - | - | 0 |
| Seaview/Fort Ross (Hirsch) | 3/6/26 | 69.1 10.9 | 1340 | 42.7 2.7 | 0304 | 34.1 5.0 | 45 | 83 6 | 17 29 | 4.8 | 14.5 2.2 | 1429 | 0.00 | 48.40 | 0.146 0.041 | 468 7 | 0 |
| Max | 83.2 | - | 46.6 | - | 45.2 | 71 | 100 | 27 | 6.5 | 24.6 | - | 0.01 | 48.40 | 0.173 | 484 | - | |
| Avg | - | - | - | - | 37.9 | 55 | - | - | 3.8 | - | - | - | - | - | - | - | |
| Min | 69.1 | - | 33.5 | - | 34.1 | 44 | 73 | 11 | 1.2 | 9.8 | - | 0.00 | 6.94 | 0.058 | 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 | 3/6/26 | 72.2 6.6 | 1509 | 42.6 1.9 | 0346 | 28.2 8.1 | 70 14 | 12 13 | 3.2 0.7 | 14.6 1.2 | 1201 | ESE | 106 | 0.00 | 5.41 | 0.145 0.018 | 461 2 | 0 0 |
| Lower Bennett Valley | 3/6/26 | 74.3 6.2 | 1446 | 34.5 3.1 | 0315 | 31.9 6.2 | 100 0 | 12 16 | 5.2 2.6 | 23.1 5.7 | 1621 | N | 349 | 0.00 | 22.06 | 0.169 0.055 | 443 4 | 0 0 |
| Kenwood (Wildwood) | 3/6/26 | 73.5 5.0 | 1441 | 44.2 6.1 | 0039 | 31.4 7.4 | 82 13 | 11 4 | 4.3 0.6 | 24.3 4.3 | 1058 | NNE | 12 | 0.00 | 26.90 | 0.154 0.030 | 415 9 | 0 0 |
| Sonoma Valley (Bedrock) | 3/6/26 | 73.2 3.8 | 1456 | 44.0 5.6 | 0216 | 25.7 9.5 | 68 17 | 9 3 | - | - | - | - | 0.00 | 23.11 | - | - | 0 0 |
| Sonoma-West (Arnold) | 3/6/26 | 74.9 3.5 | 1507 | 50.2 9.6 | 0152 | 28.1 9.4 | 61 28 | 11 3 | 10.1 5.0 | 32.0 14.8 | 0800 | N | 349 | 0.01 | 17.20 | 0.248 0.090 | 519 5 | 0 0 |
| Sonoma Valley HS | 3/6/26 | 74.6 3.5 | 1450 | 52.8 16.7 | 0001 | 32.2 7.6 | 61 38 | 15 2 | 6.7 3.6 | 19.4 6.8 | 2035 | N | 4 | 0.00 | 5.29 | 0.198 0.067 | 466 8 | 0 0 |
| Sonoma East (Bundschu01) | 3/6/26 | 74.2 3.6 | 1447 | 54.2 18.2 | 0006 | 27.6 8.0 | 53 42 | 12 1 | 9.7 5.2 | 36.4 15.8 | 1013 | NNE | 22 | 0.00 | 17.48 | 0.237 0.083 | 480 7 | 0 0 |
| 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) | 3/6/26 | 75.3 4.3 | 1425 | 49.8 13.3 | 0001 | 28.6 8.1 | 59 33 | 12 2 | 7.4 3.6 | 27.6 9.7 | 1722 | NE | 36 | 0.00 | 14.95 | - | - | 0 0 |
| Ricci Vineyards (Carneros) | 3/6/26 | 74.6 4.0 | 1437 | 51.2 13.5 | 0126 | 29.1 9.0 | 55 36 | 12 3 | 8.7 3.3 | 23.2 1.3 | 1024 | NNW | 328 | 0.00 | 18.75 | 0.221 0.065 | 494 6 | 0 0 |
| Carneros (Ranch 71) | 3/6/26 | 73.7 3.8 | 1447 | 55.1 12.5 | 0427 | 26.4 9.2 | 43 41 | 12 1 | 9.2 3.8 | 27.7 7.8 | 1036 | NNE | 13 | 0.00 | 16.20 | 0.227 0.071 | 475 8 | 0 0 |
| Carneros Upper (Ranch 81) | 3/6/26 | 73.3 3.5 | 1441 | 56.4 13.6 | 0445 | 24.6 8.9 | - | - | 13.8 7.1 | 37.6 14.7 | 0618 | NNE | 15 | - | - | - | - | 0 0 |
| Carneros Lower (Ranch 81) | 3/6/26 | 75.0 4.5 | 1450 | 56.0 19.4 | 0204 | 28.2 7.5 | 38 56 | 13 1 | 9.1 4.8 | 25.0 2.8 | 0411 | N | 351 | 0.00 | 16.94 | 0.210 0.077 | 345 14 | 0 0 |
| Rohnert Park-West (Stony Point) | 3/6/26 | 74.8 6.6 | 1531 | 41.8 6.4 | 0658 | 39.6 1.6 | 91 8 | 20 11 | 5.0 1.5 | 16.6 2.7 | 1410 | N | 352 | 0.00 | 6.33 | - | - | 0 0 |
| Cartograph Wines Base | 3/6/26 | 73.3 5.6 | 1448 | 44.3 1.8 | 0459 | 39.5 3.7 | 87 1 | 21 11 | 5.1 1.6 | 25.4 9.8 | 1421 | N | 5 | 0.00 | 22.43 | 0.146 0.032 | 449 4 | 0 0 |
| Cartograph Wines Remote | 3/6/26 | 72.2 6.2 | 1504 | 38.4 3.1 | 0405 | - | - | - | - | - | - | - | - | - | - | - | 0 0 |
| Rice-Spivak Vineyard | 3/6/26 | 76.2 5.6 | 1543 | 32.2 1.6 | 0232 | - | - | - | - | - | - | - | - | - | - | - | 0 0 |
| Penngrove (Asellus) | 3/6/26 | 74.5 6.1 | 1526 | 41.3 0.4 | 0214 | 34.7 4.8 | 90 0 | 11 16 | 6.8 1.0 | 20.5 2.8 | 0803 | NW | 310 | 2.66 | 41.99 | - | - | 0 0 |
| Petaluma (Ranch 10) | 3/6/26 | 76.9 7.6 | 1307 | 43.4 0.7 | 0343 | 33.0 8.0 | 84 2 | 10 21 | 3.5 1.8 | 19.3 3.3 | 1429 | N | 354 | 0.00 | 15.67 | 0.146 0.018 | 411 6 | 0 0 |
| Max | 76.9 | - | 56.4 | - | 39.6 | 100 | 21 | 13.8 | 37.6 | - | - | 2.66 | 41.99 | 0.248 | 519 | - | |
| Avg | - | - | - | - | 30.5 | - | - | 7.2 | - | - | - | - | - | - | - | - | |
| Min | 72.2 | - | 32.2 | - | 24.6 | 38 | 9 | 3.2 | 14.6 | - | - | 0.00 | 5.29 | 0.145 | 345 | - |