| 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) | 3/13/26 | 72.7 3.6 | 1417 | 50.9 0.8 | 0723 | 39.0 5.9 | 47 | 76 12 | 22 13 | 4.7 | 17.5 1.1 | 1845 | WNW | 292 | 0.00 | 36.97 | - | - | 0 0 |
| Rockpile Upper (Cooley) | 3/13/26 | 69.1 2.1 | 1430 | 46.2 1.6 | 0018 | 37.1 5.0 | 50 | 88 21 | 19 8 | 13.6 | 28.1 3.1 | 0411 | NW | 322 | 0.00 | 37.66 | 0.177 0.038 | 440 92 | 0 0 |
| Cloverdale-East (Ranch 83) | 3/13/26 | 79.1 2.6 | 1438 | 45.3 2.5 | 0156 | 41.8 1.2 | - | - | - | 5.4 | 19.0 0.2 | 1021 | NNE | 18 | 0.00 | 30.99 | 0.149 0.015 | 400 72 | 60 60 |
| Cloverdale-SE (Ranch 38) | 3/13/26 | 77.5 4.3 | 1446 | 46.7 3.2 | 0547 | 42.5 1.9 | 52 | 76 4 | 27 9 | 7.5 | 17.6 3.9 | 1427 | NNW | 343 | 0.00 | 32.45 | 0.159 0.017 | 385 58 | 0 0 |
| Geyserville-North (Hoffman) | 3/13/26 | 83.8 2.7 | 1534 | 44.3 2.9 | 0444 | 42.5 2.4 | 53 | 83 5 | 22 8 | 3.6 | 14.8 4.0 | 1448 | WNW | 297 | 0.00 | 25.50 | 0.144 0.000 | 401 37 | 60 60 |
| Geyserville (Ranch 3) | 3/13/26 | 83.0 0.2 | 1442 | 43.3 4.6 | 0454 | 41.0 3.1 | 50 | 89 11 | 18 8 | 5.1 | 14.6 1.9 | 1507 | NW | 320 | 0.00 | 31.63 | 0.171 0.003 | 438 34 | 60 60 |
| Geyserville-East (Ranch 40) | 3/13/26 | 82.0 3.3 | 1431 | 48.4 1.3 | 0625 | 42.6 1.7 | 51 | 77 3 | 23 7 | 4.8 | 21.3 6.1 | 2130 | NNW | 332 | 0.00 | 32.10 | 0.163 0.006 | 457 33 | 60 60 |
| Geyserville-South (Nervo Station) | 3/13/26 | 82.5 0.6 | 1527 | 44.4 2.8 | 0532 | - | - | - | - | 3.4 | 18.2 6.0 | 2104 | W | 280 | 0.00 | 24.64 | - | - | 60 60 |
| Jimtown-North (Piccolo Ranch 15) | 3/13/26 | 81.9 1.8 | 1445 | 38.4 0.9 | 0750 | 40.1 0.0 | 55 | 95 5 | 17 4 | 2.2 | 16.0 3.5 | 1541 | WNW | 292 | 0.00 | 29.34 | 0.127 0.001 | 396 33 | 60 60 |
| HWY 128/Chalk Hill Rd (Landslide) | 3/13/26 | 84.5 1.3 | 1527 | 37.7 1.3 | 0534 | 42.8 1.2 | 62 | 96 1 | 19 1 | 2.1 | 11.2 2.2 | 1556 | SW | 214 | 0.00 | 28.06 | 0.119 0.007 | 365 55 | 100 10 |
| N Chalk Hill Rd (Ranch 63) | 3/13/26 | 82.4 0.8 | 1529 | 35.2 1.7 | 0657 | 40.9 0.9 | 61 | 100 0 | 19 1 | 1.7 | 14.2 6.4 | 2011 | NW | 312 | 0.00 | 29.61 | 0.119 0.006 | 376 50 | 100 10 |
| Knights Valley (Bavarian Lion) | 3/13/26 | 80.8 2.4 | 1523 | 32.9 1.0 | 0719 | 40.7 1.1 | 65 | 98 0 | 16 2 | 2.0 | 12.1 2.5 | 2149 | N | 349 | 0.00 | 27.72 | 0.127 0.010 | 426 41 | 0 0 |
| Upper Dry Creek Valley | 3/13/26 | 81.4 2.0 | 1425 | 41.5 3.8 | 0702 | 41.1 3.4 | 51 | 91 9 | 16 7 | 5.0 | 19.8 5.1 | 1954 | WNW | 297 | 0.00 | 34.53 | 0.176 0.009 | 467 36 | 0 0 |
| Lower Dry Creek Valley | 3/13/26 | 84.2 0.0 | 1439 | 37.8 2.5 | 0750 | 42.3 1.9 | 61 | 100 0 | 17 7 | 3.0 | 13.0 1.4 | 1538 | N | 355 | 0.00 | 33.46 | 0.146 0.001 | 422 43 | 60 60 |
| Max | 84.5 | - | 50.9 | - | 42.8 | 65 | 100 | 27 | 13.6 | 28.1 | - | - | 0.00 | 37.66 | 0.177 | 467 | - | |
| Avg | - | - | - | - | 41.1 | 55 | - | - | 4.6 | - | - | - | - | - | - | - | - | |
| Min | 69.1 | - | 32.9 | - | 37.1 | 47 | 76 | 16 | 1.7 | 11.2 | - | - | 0.00 | 24.64 | 0.119 | 365 | - |
| 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) | 3/13/26 | 80.0 3.0 | 1428 | 40.2 4.4 | 0701 | 46.5 1.4 | 67 | 89 4 | 32 2 | 0.5 | 10.1 2.1 | 2159 | 0.00 | 29.12 | 0.114 0.025 | 420 68 | 100 |
| Windsor-East (Ranch 16) | 3/13/26 | 79.5 2.5 | 1417 | 36.2 7.1 | 0724 | 45.2 1.0 | 72 | 100 4 | 26 4 | 1.5 | 8.9 4.2 | 1538 | 0.00 | 21.96 | 0.119 0.037 | 408 79 | 60 |
| Mark West-North (Ranch 14) | 3/13/26 | 77.8 3.0 | 1353 | 37.9 3.6 | 0724 | 45.6 1.1 | 73 | 98 3 | 27 7 | 1.1 | 8.5 1.0 | 1638 | 0.00 | 23.74 | 0.018 0.004 | 0 0 | 0 |
| Windsor-SE (Silk Rd) | 3/13/26 | 77.4 2.5 | 1404 | 36.9 0.5 | 0650 | 45.1 0.1 | 75 | 99 0 | 29 2 | 1.4 | 10.1 0.7 | 2144 | 0.00 | 21.14 | 0.118 0.020 | 423 59 | 0 |
| Fulton-NW (Ranch 5) | 3/13/26 | 75.7 2.7 | 1343 | 37.2 1.5 | 0731 | 39.4 5.6 | 68 | 100 0 | 3 22 | 1.6 | 9.5 0.3 | 1537 | 0.00 | 23.97 | 0.125 0.019 | 444 48 | 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) | 3/13/26 | 76.7 2.8 | 1418 | 38.2 2.8 | 0703 | 46.1 0.5 | 74 | 97 2 | 31 6 | 1.4 | 9.6 0.3 | 1425 | 0.00 | 23.01 | - | - | 0 |
| Fulton-SW (Ranch 21) | 3/13/26 | 75.8 2.9 | 1354 | 37.1 1.9 | 0712 | 24.0 21.1 | 58 | 100 0 | 0 0 | 1.9 | 10.5 1.2 | 1623 | 0.00 | 23.44 | 0.127 0.022 | 463 58 | 0 |
| NW Santa Rosa (Piner Road) | 3/13/26 | 74.3 3.2 | 1357 | 37.6 0.2 | 0730 | 48.0 0.6 | 84 | 100 0 | 39 8 | 1.3 | 8.2 0.3 | 1603 | 0.00 | 21.90 | - | - | 0 |
| River Rd South (Denner Ranch) | 3/13/26 | 75.4 3.9 | 1355 | 36.6 2.7 | 0739 | 47.6 0.6 | 82 | 100 0 | 35 10 | 2.0 | 11.0 0.2 | 1613 | - | - | - | - | 0 |
| West Santa Rosa (LOV Vineyard) | 3/13/26 | 74.9 2.8 | 1512 | 38.3 0.9 | 0716 | 46.2 0.7 | 78 | 100 2 | 33 9 | 1.1 | 7.8 1.3 | 1619 | 0.00 | 16.60 | 0.015 0.004 | 0 0 | 0 |
| Guerneville Rd (Prokopakis) | 3/13/26 | 74.7 3.7 | 1348 | 39.5 1.8 | 0652 | 47.1 0.9 | 78 | 100 2 | 32 14 | - | - | - | 0.00 | 23.03 | - | - | 0 |
| Guerneville Rd West (Balletto) | 3/13/26 | 73.9 3.2 | 1540 | 38.5 0.1 | 0712 | 47.4 0.6 | 82 | 100 0 | 37 8 | 1.7 | 8.9 1.2 | 1613 | 0.00 | 22.55 | - | - | 0 |
| Sanchietti Ranch | 3/13/26 | 72.6 3.5 | 1329 | 38.8 0.5 | 0626 | 47.9 0.1 | - | 99 1 | 39 7 | 2.1 | 9.9 0.1 | 1410 | 0.00 | 23.50 | - | - | 0 |
| Occidental Rd (Sebastopol) | 3/13/26 | 74.1 3.8 | 1415 | 35.4 4.0 | 0740 | 51.1 0.0 | 95 | 100 0 | 50 7 | 1.3 | 8.3 0.9 | 2112 | 0.00 | 6.95 | - | - | 0 |
| Lower Westside Rd (Ranch 12) | 3/13/26 | 78.4 2.5 | 1330 | 36.8 2.7 | 0747 | 44.8 0.7 | 72 | 100 2 | 29 2 | 0.9 | 7.8 1.3 | 1536 | 0.00 | 28.30 | - | - | 100 |
| Guerneville (Laughlin Rd) | 3/13/26 | 79.6 0.4 | 1417 | 37.8 1.2 | 0715 | 44.6 0.1 | 74 | 98 0 | 27 5 | 0.8 | 7.4 4.2 | 1313 | 0.00 | 39.24 | - | - | 0 |
| Korbel (Winery) | 3/13/26 | 81.0 0.8 | 1426 | 41.0 0.8 | 0756 | 47.3 0.4 | 76 | 100 0 | 26 5 | 0.7 | 9.6 1.7 | 1507 | 0.00 | 36.61 | - | - | 0 |
| Forestville (Shone Farms) | 3/13/26 | 79.5 0.0 | 1614 | 38.8 2.1 | 0738 | 46.6 0.2 | 73 | 97 1 | 34 3 | 1.7 | 9.1 1.4 | 1441 | 0.00 | 30.31 | 0.121 0.015 | 419 48 | 0 |
| Forestville-NE (Ranch 30) | 3/13/26 | 80.5 2.1 | 1623 | 38.4 2.4 | 0551 | 47.8 0.2 | 78 | 100 0 | 37 1 | 1.6 | 9.9 1.2 | 1445 | 0.00 | 28.46 | 0.125 0.018 | 432 48 | 100 |
| Green Valley Vineyard | 3/13/26 | 77.9 0.7 | 1604 | 39.6 2.1 | 0737 | 47.3 1.4 | 75 | 97 2 | 37 16 | 1.6 | 7.9 3.7 | 1421 | 0.00 | 35.04 | 0.018 0.023 | 7 68 | 0 |
| Green Valley (Sanchietti) | 3/13/26 | 76.1 1.7 | 1508 | 35.3 1.3 | 0734 | - | - | - | - | - | - | - | - | - | - | - | 0 |
| Keefer Ranch (Green Valley) | 3/13/26 | 76.5 2.2 | 1413 | 35.4 0.5 | 0705 | 46.5 0.6 | 80 | 99 0 | 41 3 | - | - | - | 0.00 | 31.31 | - | - | 0 |
| Graton-South (Mill Station Rd) | 3/13/26 | 73.3 1.0 | 1303 | 34.5 1.9 | 0731 | 45.8 0.7 | 78 | 99 0 | 37 1 | 0.4 | 5.6 1.2 | 1319 | 0.00 | 27.62 | - | - | 0 |
| Occidental (Horseshoe Bend) | 3/13/26 | 69.1 3.0 | 1304 | 44.3 2.8 | 0344 | 45.2 0.1 | - | 93 9 | 39 6 | - | - | - | 0.00 | 32.00 | - | - | 0 |
| Sexton Valley (Jacqueline's Blk) | 3/13/26 | 72.0 2.9 | 1642 | 36.5 1.8 | 0724 | 47.1 0.8 | 82 | 100 0 | 49 7 | 1.2 | 8.6 0.1 | 1311 | 0.00 | 15.31 | - | - | 0 |
| Sebastopol Hills (Burnside Rd) | 3/13/26 | 70.7 1.2 | 1641 | 44.9 3.4 | 0437 | 47.8 1.4 | 72 | 96 7 | 48 1 | 1.6 | 8.9 1.1 | 1303 | 0.00 | 27.89 | - | - | 0 |
| Seaview/Fort Ross (Hirsch) | 3/13/26 | 74.9 0.2 | 1459 | 51.1 1.4 | 0059 | 37.5 2.1 | 45 | 72 7 | 23 6 | 4.8 | 15.1 2.4 | 2317 | 0.00 | 48.40 | 0.156 0.008 | 462 64 | 0 |
| Max | 81.0 | - | 51.1 | - | 51.1 | 95 | 100 | 50 | 4.8 | 15.1 | - | 0.00 | 48.40 | 0.156 | 463 | - | |
| Avg | - | - | - | - | 45.2 | 75 | - | - | 1.5 | - | - | - | - | - | - | - | |
| Min | 69.1 | - | 34.5 | - | 24.0 | 45 | 72 | 0 | 0.4 | 5.6 | - | 0.00 | 6.95 | 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) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Upper Rincon Valley | 3/13/26 | 73.8 3.9 | 1619 | 47.0 0.2 | 0710 | 41.4 0.2 | 70 9 | 25 4 | 2.4 0.0 | 10.1 1.4 | 0015 | N | 354 | 0.00 | 5.41 | 0.128 0.023 | 442 65 | 0 0 |
| Lower Bennett Valley | 3/13/26 | 75.1 3.3 | 1714 | 33.3 1.9 | 0646 | 44.2 1.0 | 100 0 | 36 15 | 1.8 0.3 | 9.4 0.1 | 1235 | N | 352 | 0.00 | 22.06 | 0.120 0.022 | 419 60 | 0 0 |
| Kenwood (Wildwood) | 3/13/26 | 76.0 4.2 | 1307 | 39.3 0.9 | 0629 | 44.2 0.8 | 93 4 | 26 2 | 2.4 0.6 | 8.9 0.2 | 1726 | NNW | 332 | 0.00 | 26.90 | 0.115 0.016 | 396 42 | 0 0 |
| Sonoma Valley (Bedrock) | 3/13/26 | 79.6 1.1 | 1721 | 36.6 2.8 | 0711 | 42.7 0.2 | 96 1 | 23 5 | - | - | - | - | 0.00 | 23.11 | - | - | 0 0 |
| Sonoma-West (Arnold) | 3/13/26 | 77.7 3.0 | 1455 | 36.0 2.2 | 0700 | 44.9 0.5 | 100 0 | 36 7 | 2.1 0.3 | 12.9 0.8 | 1725 | SW | 223 | 0.00 | 17.20 | 0.141 0.024 | 488 58 | 40 10 |
| Sonoma Valley HS | 3/13/26 | 75.6 3.9 | 1644 | 38.5 1.9 | 0739 | 47.4 0.1 | 100 0 | 36 1 | 1.5 0.2 | 8.6 0.4 | 1722 | SSW | 203 | 0.00 | 5.29 | 0.123 0.017 | 443 46 | 10 10 |
| Sonoma East (Bundschu01) | 3/13/26 | 75.7 3.5 | 1705 | 37.8 1.5 | 0736 | 45.0 0.4 | 97 1 | 31 1 | 2.4 0.6 | 11.8 0.0 | 1716 | W | 263 | 0.00 | 17.48 | 0.130 0.018 | 459 50 | 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) | 3/13/26 | 78.6 2.1 | 1701 | 38.5 1.6 | 0659 | 45.3 0.6 | 95 0 | 29 3 | 0.6 0.4 | 9.1 5.4 | 1438 | W | 271 | 0.00 | 14.95 | - | - | 0 0 |
| Ricci Vineyards (Carneros) | 3/13/26 | 76.6 2.4 | 1539 | 39.4 0.7 | 0737 | 45.7 1.1 | 96 1 | 27 2 | 3.1 0.2 | 13.1 1.4 | 1539 | WNW | 286 | 0.00 | 18.75 | 0.137 0.023 | 477 46 | 0 0 |
| Carneros (Ranch 71) | 3/13/26 | 75.7 2.0 | 1707 | 47.1 2.3 | 0655 | 46.2 1.3 | 85 6 | 30 1 | 2.9 0.2 | 11.7 4.7 | 1914 | WNW | 296 | 0.00 | 16.20 | 0.132 0.025 | 457 44 | 0 0 |
| Carneros Upper (Ranch 81) | 3/13/26 | 76.4 2.0 | 1655 | 48.1 1.1 | 0706 | 45.8 1.5 | - | - | 4.5 0.1 | 16.4 3.1 | 1917 | W | 281 | - | - | - | - | 0 0 |
| Carneros Lower (Ranch 81) | 3/13/26 | 80.1 5.4 | 1523 | 39.8 1.4 | 0730 | 44.5 1.1 | 100 0 | 0 0 | 1.1 0.1 | 10.4 0.5 | 1922 | WNW | 298 | 0.00 | 16.94 | 0.098 0.009 | 347 19 | 0 0 |
| Rohnert Park-West (Stony Point) | 3/13/26 | 71.6 2.3 | 1304 | 34.2 0.2 | 0734 | 45.8 0.8 | 99 1 | 44 5 | 1.2 0.4 | 10.1 0.4 | 1713 | SSW | 205 | 0.00 | 6.33 | - | - | 0 0 |
| Cartograph Wines Base | 3/13/26 | 67.4 3.8 | 1302 | 41.6 5.4 | 0734 | 48.7 0.7 | 100 5 | 54 7 | 2.9 0.1 | 17.0 2.5 | 1359 | WSW | 242 | 0.00 | 22.43 | 0.106 0.025 | 423 67 | 0 0 |
| Cartograph Wines Remote | 3/13/26 | 71.8 0.4 | 1213 | 36.2 2.3 | 0729 | - | - | - | - | - | - | - | - | - | - | - | 0 0 |
| Rice-Spivak Vineyard | 3/13/26 | 70.7 1.1 | 1225 | 30.7 0.7 | 0656 | - | - | - | - | - | - | - | - | - | - | - | 0 0 |
| Penngrove (Asellus) | 3/13/26 | 71.9 3.5 | 1414 | 36.7 1.3 | 0627 | 44.6 0.1 | 98 1 | 30 0 | 1.8 0.5 | 9.7 0.4 | 1647 | SSE | 167 | 0.00 | 45.68 | - | - | 0 0 |
| Petaluma (Ranch 10) | 3/13/26 | 76.9 4.0 | 1548 | 35.9 1.7 | 0733 | 44.4 1.6 | 100 0 | 28 5 | 2.1 0.3 | 10.3 0.4 | 1435 | WNW | 296 | 0.00 | 15.67 | 0.121 0.019 | 392 52 | 40 10 |
| Max | 80.1 | - | 48.1 | - | 48.7 | 100 | 54 | 4.5 | 17.0 | - | - | 0.00 | 45.68 | 0.141 | 488 | - | |
| Avg | - | - | - | - | 45.1 | - | - | 2.2 | - | - | - | - | - | - | - | - | |
| Min | 67.4 | - | 30.7 | - | 41.4 | 70 | 0 | 0.6 | 8.6 | - | - | 0.00 | 5.29 | 0.098 | 347 | - |