| 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) | 3/11/26 | 76.3 10.9 | 1635 | 44.0 1.9 | 0158 | 36.0 1.2 | 46 | 71 9 | 20 5 | 3.7 | 15.8 7.8 | 1902 | WNW | 293 | 0.00 | 36.97 | - | - | 0 0 |
| Rockpile Upper (Cooley) | 3/10/26 | 61.6 3.0 | 1406 | 38.7 2.3 | 0738 | 34.2 6.0 | 62 | 87 8 | 28 3 | 14.5 | 32.7 10.3 | 0324 | N | 351 | 0.00 | 37.66 | 0.136 0.007 | 467 33 | 0 0 |
| Cloverdale-East (Ranch 83) | 3/10/26 | 71.5 3.8 | 1525 | 44.7 5.6 | 0748 | 37.4 6.2 | - | - | - | 5.7 | 22.7 5.5 | 1426 | N | 2 | 0.00 | 30.99 | 0.144 0.003 | 420 21 | 0 0 |
| Cloverdale-SE (Ranch 38) | 3/10/26 | 69.7 4.4 | 1459 | 45.4 3.7 | 0558 | 38.3 6.2 | 58 | 85 6 | 21 14 | 9.4 | 26.5 1.1 | 1345 | NNW | 327 | 0.00 | 32.45 | 0.152 0.004 | 394 18 | 0 0 |
| Geyserville-North (Hoffman) | 3/10/26 | 73.4 3.5 | 1557 | 47.4 1.1 | 0754 | 37.7 6.8 | 52 | 76 18 | 21 10 | 6.1 | 19.8 3.7 | 0114 | W | 276 | 0.00 | 25.50 | 0.143 0.011 | 390 16 | 0 0 |
| Geyserville (Ranch 3) | 3/10/26 | 73.1 3.2 | 1556 | 46.9 0.7 | 0746 | 36.2 7.3 | 49 | 73 27 | 16 10 | 8.0 | 25.9 6.1 | 0119 | WNW | 284 | 0.00 | 31.63 | 0.166 0.013 | 430 9 | 0 0 |
| Geyserville-East (Ranch 40) | 3/10/26 | 72.4 4.0 | 1441 | 43.8 3.9 | 0709 | 39.1 6.2 | 59 | 90 4 | 22 9 | 6.8 | 25.2 4.2 | 1517 | NW | 318 | 0.00 | 32.10 | 0.145 0.000 | 441 18 | 0 0 |
| Geyserville-South (Nervo Station) | 3/10/26 | 72.4 4.0 | 1440 | 47.0 0.4 | 0648 | - | - | - | - | 5.6 | 30.6 4.7 | 0122 | WNW | 283 | 0.00 | 24.64 | - | - | 0 0 |
| Jimtown-North (Piccolo Ranch 15) | 3/10/26 | 72.5 3.6 | 1524 | 39.8 2.6 | 0730 | 36.7 6.8 | 56 | 94 6 | 16 10 | 3.5 | 18.0 3.5 | 1847 | WNW | 290 | 0.00 | 29.34 | 0.128 0.005 | 392 6 | 0 0 |
| HWY 128/Chalk Hill Rd (Landslide) | 3/10/26 | 74.7 4.2 | 1531 | 38.9 3.0 | 0729 | 38.6 5.9 | 64 | 95 5 | 16 12 | 3.4 | 13.7 1.4 | 1810 | NW | 315 | 0.00 | 28.06 | 0.124 0.002 | 385 7 | 50 10 |
| N Chalk Hill Rd (Ranch 63) | 3/10/26 | 72.8 2.8 | 1504 | 36.6 2.8 | 0735 | 36.5 6.6 | 59 | 100 0 | 16 11 | 2.6 | 15.7 1.5 | 1521 | NW | 310 | 0.00 | 29.61 | 0.126 0.002 | 395 3 | 50 10 |
| Knights Valley (Bavarian Lion) | 3/10/26 | 73.8 2.8 | 1555 | 33.6 5.6 | 0623 | 36.3 6.9 | 66 | 98 0 | 15 13 | 2.7 | 13.6 0.9 | 1837 | W | 265 | 0.00 | 27.72 | 0.129 0.003 | 437 1 | 0 0 |
| Upper Dry Creek Valley | 3/10/26 | 71.9 4.3 | 1527 | 50.1 4.0 | 0414 | 35.2 6.9 | 45 | 65 31 | 15 4 | 7.8 | 19.8 1.8 | 1728 | NW | 306 | 0.00 | 34.53 | 0.171 0.008 | 460 12 | 0 0 |
| Lower Dry Creek Valley | 3/10/26 | 73.7 3.6 | 1509 | 41.7 0.9 | 0733 | 36.7 6.6 | 50 | 95 5 | 16 4 | 7.7 | 21.5 0.8 | 1510 | N | 355 | 0.00 | 33.46 | 0.172 0.010 | 433 3 | 0 0 |
| Max | 76.3 | - | 50.1 | - | 39.1 | 66 | 100 | 28 | 14.5 | 32.7 | - | - | 0.00 | 37.66 | 0.172 | 467 | - | |
| Avg | - | - | - | - | 36.8 | 56 | - | - | 6.3 | - | - | - | - | - | - | - | - | |
| Min | 61.6 | - | 33.6 | - | 34.2 | 45 | 65 | 15 | 2.6 | 13.6 | - | - | 0.00 | 24.64 | 0.124 | 385 | - |
| 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) | 3/10/26 | 76.2 2.4 | 1639 | 41.0 3.7 | 0740 | 40.8 6.4 | 60 | 86 3 | 21 12 | 3.0 | 15.8 0.2 | 1442 | 0.00 | 29.12 | 0.141 0.006 | 462 4 | 70 |
| Windsor-East (Ranch 16) | 3/10/26 | 75.0 3.0 | 1615 | 37.7 4.3 | 0738 | 39.0 7.4 | 60 | 96 4 | 17 21 | 3.4 | 12.8 0.9 | 1149 | 0.00 | 21.96 | 0.138 0.004 | 456 4 | 0 |
| Mark West-North (Ranch 14) | 3/10/26 | 76.3 0.1 | 1559 | 39.1 3.6 | 0742 | 38.9 7.4 | 60 | 95 3 | 13 26 | 1.8 | 10.5 1.1 | 1720 | 0.00 | 23.74 | 0.027 0.002 | 0 0 | 0 |
| Windsor-SE (Silk Rd) | 3/10/26 | 75.5 1.3 | 1616 | 36.6 4.2 | 0700 | 39.8 6.7 | 71 | 99 0 | 14 28 | 1.8 | 13.6 2.3 | 1500 | 0.00 | 21.14 | 0.129 0.002 | 458 6 | 0 |
| Fulton-NW (Ranch 5) | 3/10/26 | 73.9 0.8 | 1526 | 39.0 3.2 | 0714 | 40.7 4.5 | 66 | 98 2 | 16 13 | 2.4 | 13.5 0.9 | 1601 | 0.00 | 23.97 | 0.131 0.001 | 464 3 | 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) | 3/10/26 | 73.0 2.2 | 1443 | 38.8 4.1 | 0722 | 41.1 6.0 | 65 | 95 3 | 25 21 | 2.4 | 12.4 0.9 | 1624 | 0.00 | 23.01 | - | - | 0 |
| Fulton-SW (Ranch 21) | 3/10/26 | 73.2 2.1 | 1444 | 36.9 5.0 | 0738 | 37.8 14.4 | 69 | 100 0 | 0 0 | 2.3 | 11.8 0.6 | 1536 | 0.00 | 23.44 | 0.133 0.000 | 489 5 | 0 |
| NW Santa Rosa (Piner Road) | 3/10/26 | 70.4 3.3 | 1441 | 36.5 4.8 | 0636 | 43.6 5.5 | 79 | 100 0 | 31 19 | 1.8 | 11.0 0.2 | 1744 | 0.00 | 21.90 | - | - | 0 |
| River Rd South (Denner Ranch) | 3/10/26 | 75.9 0.6 | 1526 | 35.7 4.7 | 0727 | 43.1 5.1 | 77 | 100 0 | 18 28 | 2.5 | 13.6 0.0 | 1555 | - | - | - | - | 0 |
| West Santa Rosa (LOV Vineyard) | 3/10/26 | 72.1 3.2 | 1455 | 37.2 4.5 | 0717 | 41.9 5.2 | 73 | 97 3 | 27 14 | 1.2 | 9.3 2.0 | 1628 | 0.01 | 16.60 | 0.019 0.000 | 1 0 | 0 |
| Guerneville Rd (Prokopakis) | 3/10/26 | 72.2 3.1 | 1412 | 38.2 4.7 | 0715 | 42.4 5.4 | 73 | 98 2 | 27 13 | - | - | - | 0.00 | 23.03 | - | - | 0 |
| Guerneville Rd West (Balletto) | 3/10/26 | 70.5 3.7 | 1504 | 36.7 5.4 | 0736 | 43.5 4.9 | 78 | 99 1 | 34 15 | 2.1 | 12.7 1.6 | 1754 | 0.00 | 22.55 | - | - | 0 |
| Sanchietti Ranch | 3/10/26 | 69.0 4.3 | 1545 | 38.1 3.9 | 0647 | 44.7 4.4 | - | 98 1 | 45 7 | 2.6 | 13.7 1.2 | 1742 | 0.00 | 23.50 | - | - | 0 |
| Occidental Rd (Sebastopol) | 3/10/26 | 71.7 2.4 | 1553 | 36.3 4.1 | 0743 | 47.6 4.2 | 91 | 100 0 | 50 8 | 1.7 | 12.1 0.4 | 1755 | 0.00 | 6.95 | - | - | 0 |
| Lower Westside Rd (Ranch 12) | 3/10/26 | 76.8 1.8 | 1645 | 37.6 4.3 | 0715 | 39.4 7.6 | 68 | 97 3 | 10 27 | 1.6 | 16.4 6.2 | 1420 | 0.00 | 28.30 | - | - | 50 |
| Guerneville (Laughlin Rd) | 3/10/26 | 76.0 0.3 | 1444 | 36.7 3.5 | 0404 | 38.9 8.0 | 71 | 98 0 | 10 29 | 1.4 | 16.4 4.4 | 1348 | 0.00 | 39.24 | - | - | 0 |
| Korbel (Winery) | 3/10/26 | 74.9 1.0 | 1514 | 40.3 3.8 | 0812 | 40.2 8.0 | 70 | 100 0 | 9 24 | 1.5 | 17.0 7.4 | 1724 | 0.00 | 36.60 | - | - | 0 |
| Forestville (Shone Farms) | 3/10/26 | 75.2 2.1 | 1621 | 38.3 3.1 | 0702 | 40.9 7.3 | 68 | 96 2 | 14 28 | 2.5 | 16.4 6.4 | 1517 | 0.00 | 30.31 | 0.130 0.007 | 440 7 | 0 |
| Forestville-NE (Ranch 30) | 3/10/26 | 75.0 0.6 | 1626 | 38.1 4.1 | 0701 | 42.3 6.8 | 74 | 99 1 | 17 25 | 2.7 | 19.6 8.8 | 1444 | 0.00 | 28.46 | 0.135 0.007 | 451 2 | 70 |
| Green Valley Vineyard | 3/10/26 | 74.0 0.9 | 1449 | 38.0 3.4 | 0614 | 40.9 6.7 | 70 | 96 2 | 12 20 | 2.4 | 16.4 6.4 | 1458 | 0.00 | 35.04 | 0.030 0.009 | 0 0 | 0 |
| Green Valley (Sanchietti) | 3/11/26 | 77.2 1.3 | 1447 | 35.4 0.2 | 0708 | - | - | - | - | - | - | - | - | - | - | - | 0 |
| Keefer Ranch (Green Valley) | 3/10/26 | 73.9 1.2 | 1539 | 35.1 4.1 | 0649 | 41.9 5.2 | 78 | 99 0 | 24 15 | - | - | - | 0.00 | 31.31 | - | - | 0 |
| Graton-South (Mill Station Rd) | 3/10/26 | 71.9 1.7 | 1529 | 34.8 3.9 | 0739 | 41.3 5.0 | 74 | 99 0 | 30 12 | 0.5 | 7.0 0.3 | 1558 | 0.00 | 27.62 | - | - | 0 |
| Occidental (Horseshoe Bend) | 3/10/26 | 68.6 5.6 | 1408 | 41.1 5.5 | 0525 | 39.8 6.4 | - | 91 1 | 22 15 | - | - | - | 0.01 | 16.43 | - | - | 0 |
| Sexton Valley (Jacqueline's Blk) | 3/10/26 | 70.0 3.6 | 1353 | 35.9 5.2 | 0747 | 42.4 5.1 | 77 | 100 0 | 38 9 | 1.4 | 12.8 3.6 | 1633 | 0.00 | 15.31 | - | - | 0 |
| Sebastopol Hills (Burnside Rd) | 3/10/26 | 67.5 2.8 | 1529 | 43.6 4.0 | 0723 | 43.3 5.7 | 69 | 88 9 | 41 12 | 1.9 | 12.1 0.2 | 1645 | 0.00 | 27.89 | - | - | 0 |
| Seaview/Fort Ross (Hirsch) | 3/10/26 | 63.6 4.2 | 1443 | 44.0 1.1 | 0758 | 32.0 8.9 | 51 | 69 15 | 19 8 | 6.2 | 19.7 0.8 | 1028 | 0.00 | 48.40 | 0.138 0.001 | 484 12 | 0 |
| Max | 77.2 | - | 44.0 | - | 47.6 | 91 | 100 | 50 | 6.2 | 19.7 | - | 0.01 | 48.40 | 0.141 | 489 | - | |
| Avg | - | - | - | - | 41.1 | 70 | - | - | 2.2 | - | - | - | - | - | - | - | |
| Min | 63.6 | - | 34.8 | - | 32.0 | 51 | 69 | 0 | 0.5 | 7.0 | - | 0.00 | 6.95 | 0.019 | 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 | 3/10/26 | 70.7 2.1 | 1525 | 42.8 0.9 | 0238 | 37.5 8.0 | 85 4 | 17 26 | 2.6 0.2 | 12.0 1.3 | 1407 | SW | 227 | 0.00 | 5.41 | 0.129 0.002 | 478 5 | 0 0 |
| Lower Bennett Valley | 3/10/26 | 70.4 3.7 | 1416 | 33.7 5.1 | 0659 | 39.6 6.5 | 100 0 | 25 23 | 2.8 0.3 | 17.0 3.7 | 1043 | NW | 313 | 0.00 | 22.06 | 0.123 0.001 | 451 6 | 0 0 |
| Kenwood (Wildwood) | 3/10/26 | 71.7 2.8 | 1620 | 37.0 5.1 | 0731 | 41.1 6.5 | 100 0 | 25 20 | 2.7 0.3 | 11.8 0.6 | 1054 | NNE | 17 | 0.00 | 26.90 | 0.114 0.004 | 424 12 | 0 0 |
| Sonoma Valley (Bedrock) | 3/10/26 | 71.7 2.3 | 1545 | 35.9 6.3 | 0731 | 38.4 7.0 | 96 0 | 23 18 | - | - | - | - | 0.00 | 23.11 | - | - | 0 0 |
| Sonoma-West (Arnold) | 3/10/26 | 69.0 6.0 | 1341 | 35.7 5.8 | 0622 | 41.0 6.2 | 100 0 | 27 19 | 2.5 0.2 | 16.9 1.2 | 1446 | SW | 226 | 0.00 | 17.20 | 0.142 0.006 | 519 8 | 40 10 |
| Sonoma Valley HS | 3/10/26 | 68.4 5.4 | 1337 | 37.9 5.3 | 0703 | 43.4 5.8 | 100 0 | 38 15 | 1.6 0.4 | 11.4 1.7 | 1739 | SSW | 212 | 0.00 | 5.29 | 0.120 0.004 | 466 8 | 40 10 |
| Sonoma East (Bundschu01) | 3/10/26 | 68.6 5.0 | 1456 | 36.9 4.7 | 0642 | 40.9 6.0 | 96 1 | 34 13 | 2.6 0.5 | 15.1 1.5 | 1404 | WSW | 238 | 0.00 | 17.48 | 0.128 0.006 | 481 12 | 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) | 3/10/26 | 70.4 3.5 | 1455 | 37.7 4.5 | 0748 | 40.9 6.0 | 95 0 | 32 13 | 1.6 0.3 | 13.1 2.7 | 1723 | WSW | 242 | 0.00 | 14.95 | - | - | 0 0 |
| Ricci Vineyards (Carneros) | 3/10/26 | 69.1 4.7 | 1445 | 38.0 4.6 | 0707 | 41.6 5.8 | 96 1 | 33 13 | 3.7 0.7 | 13.2 3.4 | 1409 | W | 259 | 0.00 | 18.75 | 0.136 0.005 | 495 10 | 0 0 |
| Carneros (Ranch 71) | 3/10/26 | 67.8 5.4 | 1452 | 43.0 4.0 | 0744 | 41.6 7.5 | 88 7 | 34 15 | 4.0 0.9 | 16.2 5.8 | 1705 | W | 272 | 0.00 | 16.20 | 0.134 0.001 | 474 8 | 0 0 |
| Carneros Upper (Ranch 81) | 3/10/26 | 69.6 3.8 | 1434 | 43.0 4.5 | 0749 | 41.2 3.0 | - | - | 6.0 1.3 | 20.9 3.1 | 1809 | W | 271 | - | - | - | - | 0 0 |
| Carneros Lower (Ranch 81) | 3/10/26 | 74.2 4.1 | 1435 | 38.5 6.0 | 0527 | 41.5 0.4 | 100 0 | 32 31 | 1.0 0.3 | 13.3 3.1 | 1844 | W | 275 | 0.00 | 16.94 | 0.096 0.004 | 345 27 | 0 0 |
| Rohnert Park-West (Stony Point) | 3/10/26 | 65.6 5.9 | 1516 | 34.6 4.7 | 0742 | 42.2 4.5 | 98 2 | 46 12 | 2.0 0.1 | 12.0 0.8 | 1436 | SSW | 195 | 0.00 | 6.33 | - | - | 0 0 |
| Cartograph Wines Base | 3/10/26 | 63.1 7.1 | 1528 | 41.5 3.5 | 0729 | 44.3 5.1 | 95 5 | 53 8 | 3.3 0.1 | 19.3 1.2 | 1616 | SW | 217 | 0.00 | 22.43 | 0.111 0.000 | 458 7 | 0 0 |
| Cartograph Wines Remote | 3/10/26 | 65.8 3.6 | 1211 | 35.8 3.5 | 0629 | - | - | - | - | - | - | - | - | - | - | - | 0 0 |
| Rice-Spivak Vineyard | 3/10/26 | 64.5 7.0 | 1217 | 30.9 2.7 | 0718 | - | - | - | - | - | - | - | - | - | - | - | 0 0 |
| Penngrove (Asellus) | 3/10/26 | 65.7 6.2 | 1456 | 36.3 2.2 | 0634 | 41.2 4.4 | 98 0 | 40 8 | 2.6 0.6 | 13.4 1.7 | 0543 | NNE | 24 | 0.00 | 45.68 | - | - | 0 0 |
| Petaluma (Ranch 10) | 3/10/26 | 69.0 7.5 | 1538 | 35.1 5.1 | 0721 | 39.3 5.5 | 100 0 | 27 13 | 2.5 0.4 | 12.8 0.4 | 1154 | WSW | 246 | 0.00 | 15.67 | 0.123 0.000 | 418 8 | 40 10 |
| Max | 74.2 | - | 43.0 | - | 44.3 | 100 | 53 | 6.0 | 20.9 | - | - | 0.00 | 45.68 | 0.142 | 519 | - | |
| Avg | - | - | - | - | 41.0 | - | - | 2.8 | - | - | - | - | - | - | - | - | |
| Min | 63.1 | - | 30.9 | - | 37.5 | 85 | 17 | 1.0 | 11.4 | - | - | 0.00 | 5.29 | 0.096 | 345 | - |