| 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) | 3/11/26 | 71.3 9.7 | 1556 | 42.5 3.8 | 0238 | 34.9 0.7 | 48 | 70 17 | 23 5 | 11.1 | 25.6 7.0 | 2011 | NW | 324 | 0.00 | 37.66 | 0.177 0.041 | 511 44 | 0 0 |
| Cloverdale-East (Ranch 83) | 3/11/26 | 79.1 7.7 | 1644 | 44.8 0.1 | 0617 | 39.8 2.5 | - | - | - | 6.0 | 20.3 2.4 | 0757 | N | 0 | 0.00 | 30.99 | 0.150 0.006 | 454 34 | 0 0 |
| Cloverdale-SE (Ranch 38) | 3/11/26 | 79.4 9.8 | 1654 | 45.6 0.3 | 0608 | 40.3 2.0 | 53 | 74 11 | 18 3 | 8.3 | 23.3 3.2 | 0916 | N | 8 | 0.00 | 32.45 | 0.153 0.001 | 425 32 | 0 0 |
| Geyserville-North (Hoffman) | 3/11/26 | 83.8 10.4 | 1659 | 43.0 4.4 | 0658 | 41.2 3.5 | 55 | 81 5 | 22 2 | 2.7 | 11.9 7.9 | 1134 | NNW | 342 | 0.00 | 25.50 | 0.127 0.016 | 421 31 | 0 0 |
| Geyserville (Ranch 3) | 3/11/26 | 79.4 6.2 | 1556 | 43.6 3.3 | 0707 | 39.3 3.1 | 51 | 80 7 | 19 4 | 3.7 | 11.4 14.5 | 1147 | NW | 324 | 0.00 | 31.63 | 0.138 0.028 | 453 23 | 0 0 |
| Geyserville-East (Ranch 40) | 3/11/26 | 80.4 8.0 | 1701 | 44.1 0.3 | 0325 | 41.8 2.6 | 54 | 80 11 | 23 2 | 4.2 | 14.4 10.9 | 1757 | S | 191 | 0.00 | 32.10 | 0.153 0.008 | 471 30 | 0 0 |
| Geyserville-South (Nervo Station) | 3/11/26 | 78.7 6.4 | 1640 | 43.9 3.1 | 0745 | - | - | - | - | 2.3 | 14.2 16.4 | 0557 | NW | 320 | 0.00 | 24.64 | - | - | 0 0 |
| Jimtown-North (Piccolo Ranch 15) | 3/11/26 | 82.1 9.6 | 1632 | 36.5 3.3 | 0740 | 40.2 3.6 | 63 | 100 6 | 18 2 | 1.3 | 8.1 9.9 | 1547 | SSW | 198 | 0.00 | 29.34 | 0.113 0.015 | 408 17 | 0 0 |
| HWY 128/Chalk Hill Rd (Landslide) | 3/11/26 | 81.1 6.4 | 1651 | 37.3 1.6 | 0749 | 41.8 3.2 | 69 | 97 2 | 21 5 | 1.7 | 10.2 3.5 | 1728 | SSW | 206 | 0.00 | 28.06 | 0.117 0.007 | 401 16 | 70 20 |
| N Chalk Hill Rd (Ranch 63) | 3/11/26 | 78.2 5.4 | 1645 | 35.9 0.8 | 0747 | 40.4 3.9 | 64 | 100 0 | 22 5 | 1.4 | 11.0 4.6 | 1749 | S | 176 | 0.00 | 29.61 | 0.118 0.008 | 411 16 | 70 20 |
| Knights Valley (Bavarian Lion) | 3/11/26 | 79.1 5.3 | 1707 | 32.5 1.1 | 0716 | 39.3 3.0 | 69 | 98 0 | 20 5 | 2.0 | 9.8 3.8 | 1821 | WSW | 256 | 0.00 | 27.72 | 0.128 0.001 | 454 17 | 0 0 |
| Upper Dry Creek Valley | 3/11/26 | 81.1 9.2 | 1616 | 41.1 8.9 | 0606 | 39.5 4.3 | 51 | 85 20 | 17 2 | 1.8 | 10.4 9.3 | 1044 | WNW | 291 | 0.00 | 34.53 | 0.137 0.034 | 482 22 | 0 0 |
| Lower Dry Creek Valley | 3/11/26 | 84.3 10.6 | 1604 | 38.5 3.2 | 0746 | 40.5 3.8 | 58 | 100 5 | 16 0 | 2.1 | 12.4 9.0 | 1121 | NNW | 338 | 0.00 | 33.46 | 0.135 0.037 | 448 15 | 0 0 |
| Max | 84.3 | - | 45.6 | - | 41.8 | 69 | 100 | 23 | 11.1 | 25.6 | - | - | 0.00 | 37.66 | 0.177 | 511 | - | |
| Avg | - | - | - | - | 39.6 | 57 | - | - | 3.7 | - | - | - | - | - | - | - | - | |
| Min | 71.3 | - | 32.5 | - | 34.9 | 46 | 70 | 16 | 1.3 | 8.1 | - | - | 0.00 | 24.64 | 0.113 | 401 | - |
| 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) | 3/11/26 | 82.2 6.0 | 1508 | 42.3 1.4 | 0723 | 43.5 2.7 | 60 | 85 1 | 24 4 | 1.6 | 10.2 5.5 | 1233 | 0.00 | 29.12 | 0.136 0.005 | 472 11 | 90 |
| Windsor-East (Ranch 16) | 3/11/26 | 78.6 3.6 | 1549 | 48.1 10.4 | 0741 | 40.8 1.8 | 54 | 88 8 | 20 4 | 4.4 | 13.5 0.7 | 0828 | 0.00 | 21.96 | 0.147 0.009 | 470 14 | 0 |
| Mark West-North (Ranch 14) | 3/11/26 | 78.0 1.8 | 1544 | 41.0 1.8 | 0735 | 40.6 1.7 | 58 | 90 5 | 20 7 | 1.7 | 9.4 1.1 | 1723 | 0.00 | 23.74 | 0.030 0.003 | 0 0 | 0 |
| Windsor-SE (Silk Rd) | 3/11/26 | 78.6 3.1 | 1523 | 36.6 0.0 | 0655 | 41.2 1.4 | 68 | 99 0 | 19 5 | 1.6 | 10.8 2.7 | 1128 | 0.00 | 21.14 | 0.134 0.005 | 467 9 | 0 |
| Fulton-NW (Ranch 5) | 3/11/26 | 76.2 2.4 | 1608 | 38.0 1.0 | 0644 | 41.7 1.1 | 65 | 97 1 | 21 4 | 2.1 | 9.9 3.6 | 1620 | 0.00 | 23.97 | 0.139 0.008 | 475 11 | 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) | 3/11/26 | 77.3 4.2 | 1614 | 38.9 0.1 | 0735 | 42.0 0.9 | 62 | 94 1 | 24 0 | 1.8 | 9.9 2.6 | 1644 | 0.00 | 23.01 | - | - | 0 |
| Fulton-SW (Ranch 21) | 3/11/26 | 76.4 3.3 | 1438 | 37.3 0.4 | 0703 | 42.2 4.5 | 69 | 100 0 | 0 0 | 2.0 | 10.3 1.5 | 1142 | 0.00 | 23.44 | 0.141 0.008 | 501 12 | 0 |
| NW Santa Rosa (Piner Road) | 3/11/26 | 76.8 6.4 | 1547 | 36.6 0.1 | 0745 | 44.5 0.9 | 75 | 100 0 | 28 4 | 1.5 | 10.4 0.7 | 1553 | 0.00 | 21.90 | - | - | 0 |
| River Rd South (Denner Ranch) | 3/11/26 | 78.8 2.9 | 1426 | 37.6 1.8 | 0704 | 43.5 0.4 | 72 | 100 0 | 20 3 | 2.2 | 11.2 2.4 | 1202 | - | - | - | - | 0 |
| West Santa Rosa (LOV Vineyard) | 3/11/26 | 76.8 4.7 | 1502 | 37.4 0.2 | 0716 | 42.0 0.1 | 69 | 98 0 | 20 8 | 1.5 | 11.0 1.6 | 1205 | 0.00 | 16.60 | 0.028 0.009 | 0 1 | 0 |
| Guerneville Rd (Prokopakis) | 3/11/26 | 77.9 5.7 | 1539 | 38.6 0.4 | 0728 | 43.0 0.6 | 68 | 98 0 | 20 7 | - | - | - | 0.00 | 23.03 | - | - | 0 |
| Guerneville Rd West (Balletto) | 3/11/26 | 76.5 6.0 | 1522 | 37.3 0.6 | 0726 | 43.9 0.4 | 73 | 99 0 | 25 9 | 1.9 | 10.6 2.1 | 1542 | 0.00 | 22.55 | - | - | 0 |
| Sanchietti Ranch | 3/11/26 | 75.9 6.9 | 1537 | 38.3 0.2 | 0704 | 45.0 0.4 | - | 99 0 | 29 15 | 1.9 | 10.0 3.7 | 1544 | 0.00 | 23.50 | - | - | 0 |
| Occidental Rd (Sebastopol) | 3/11/26 | 76.6 4.9 | 1518 | 37.3 1.1 | 0728 | 47.8 0.1 | 84 | 100 0 | 36 14 | 1.9 | 12.3 0.2 | 1552 | 0.00 | 6.95 | - | - | 0 |
| Lower Westside Rd (Ranch 12) | 3/11/26 | 79.2 2.4 | 1532 | 37.0 0.6 | 0752 | 41.3 1.9 | 67 | 97 0 | 18 8 | 1.3 | 9.8 6.7 | 1239 | 0.00 | 28.30 | - | - | 70 |
| Guerneville (Laughlin Rd) | 3/11/26 | 77.9 1.8 | 1405 | 36.3 0.4 | 0523 | 42.4 3.5 | 73 | 98 0 | 23 12 | 1.1 | 10.5 5.9 | 1503 | 0.00 | 39.24 | - | - | 0 |
| Korbel (Winery) | 3/11/26 | 77.4 2.5 | 1424 | 39.3 1.0 | 0734 | 43.8 3.6 | 72 | 100 0 | 26 17 | 1.0 | 12.2 4.8 | 1528 | 0.00 | 36.60 | - | - | 0 |
| Forestville (Shone Farms) | 3/11/26 | 79.3 4.1 | 1532 | 38.6 0.3 | 0732 | 42.0 1.0 | 65 | 96 0 | 20 6 | 1.9 | 11.2 5.3 | 1244 | 0.00 | 30.31 | 0.130 0.000 | 450 10 | 0 |
| Forestville-NE (Ranch 30) | 3/11/26 | 77.5 2.4 | 1703 | 37.9 0.2 | 0707 | 43.9 1.5 | 71 | 99 0 | 25 8 | 1.5 | 11.8 7.8 | 1551 | 0.00 | 28.46 | 0.136 0.001 | 465 14 | 90 |
| Green Valley Vineyard | 3/11/26 | 76.0 2.0 | 1504 | 38.8 0.8 | 0656 | 41.8 0.9 | 66 | 95 1 | 22 10 | 2.2 | 11.6 4.8 | 1610 | 0.00 | 35.04 | 0.029 0.001 | 6 6 | 0 |
| Green Valley (Sanchietti) | 3/11/26 | 77.2 1.3 | 1447 | 35.4 0.2 | 0708 | - | - | - | - | - | - | - | - | - | - | - | 0 |
| Keefer Ranch (Green Valley) | 3/11/26 | 75.2 1.3 | 1451 | 34.8 0.3 | 0712 | 43.0 1.0 | 77 | 99 0 | 29 5 | - | - | - | 0.00 | 31.31 | - | - | 0 |
| Graton-South (Mill Station Rd) | 3/11/26 | 75.2 3.3 | 1432 | 35.0 0.2 | 0745 | 42.4 1.0 | 72 | 99 0 | 24 7 | 0.5 | 7.4 0.4 | 1539 | 0.00 | 27.62 | - | - | 0 |
| Occidental (Horseshoe Bend) | 3/11/26 | 73.1 4.5 | 1659 | 43.0 1.9 | 0653 | 41.6 1.8 | - | 80 11 | 28 6 | - | - | - | 0.00 | 16.43 | - | - | 0 |
| Sexton Valley (Jacqueline's Blk) | 3/11/26 | 75.0 4.9 | 1431 | 36.2 0.4 | 0721 | 43.9 1.5 | 75 | 100 0 | 33 5 | 1.4 | 12.8 0.1 | 1518 | 0.00 | 15.31 | - | - | 0 |
| Sebastopol Hills (Burnside Rd) | 3/11/26 | 72.7 5.2 | 1415 | 43.5 0.1 | 0747 | 43.7 0.4 | 64 | 83 4 | 32 9 | 1.8 | 10.7 1.3 | 1539 | 0.00 | 27.89 | - | - | 0 |
| Seaview/Fort Ross (Hirsch) | 3/11/26 | 69.9 6.3 | 1708 | 45.4 1.4 | 0133 | 36.0 4.0 | 46 | 65 4 | 29 10 | 3.1 | 10.8 8.9 | 1426 | 0.00 | 48.40 | 0.140 0.002 | 501 16 | 0 |
| Max | 82.2 | - | 48.1 | - | 47.8 | 84 | 100 | 36 | 4.4 | 13.5 | - | 0.00 | 48.40 | 0.147 | 501 | - | |
| Avg | - | - | - | - | 42.6 | 68 | - | - | 1.8 | - | - | - | - | - | - | - | |
| Min | 69.9 | - | 34.8 | - | 36.0 | 46 | 65 | 0 | 0.5 | 7.4 | - | 0.00 | 6.95 | 0.028 | 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 | 3/11/26 | 74.0 3.3 | 1612 | 45.2 2.4 | 0153 | 39.4 2.0 | 76 9 | 24 7 | 2.3 0.2 | 9.1 2.9 | 1455 | SW | 217 | 0.00 | 5.41 | 0.138 0.009 | 487 10 | 0 0 |
| Lower Bennett Valley | 3/11/26 | 75.3 4.9 | 1420 | 33.6 0.1 | 0742 | 41.3 1.7 | 100 0 | 29 4 | 1.6 1.3 | 10.2 6.8 | 1045 | NW | 313 | 0.00 | 22.06 | 0.131 0.008 | 461 9 | 0 0 |
| Kenwood (Wildwood) | 3/11/26 | 77.0 5.3 | 1521 | 38.2 1.2 | 0708 | 42.9 1.8 | 96 4 | 29 4 | 2.9 0.2 | 10.6 1.2 | 1741 | NW | 326 | 0.00 | 26.90 | 0.124 0.010 | 423 2 | 0 0 |
| Sonoma Valley (Bedrock) | 3/11/26 | 74.9 3.2 | 1607 | 36.9 1.0 | 0746 | 40.7 2.3 | 95 0 | 26 2 | - | - | - | - | 0.00 | 23.11 | - | - | 0 0 |
| Sonoma-West (Arnold) | 3/11/26 | 78.5 9.5 | 1621 | 36.1 0.4 | 0742 | 42.1 1.0 | 100 0 | 25 2 | 1.8 0.7 | 9.1 7.7 | 1731 | WSW | 253 | 0.00 | 17.20 | 0.152 0.010 | 531 12 | 30 10 |
| Sonoma Valley HS | 3/11/26 | 75.9 7.5 | 1656 | 37.6 0.2 | 0659 | 45.0 1.7 | 100 0 | 33 6 | 1.1 0.6 | 7.5 3.8 | 1713 | WSW | 238 | 0.00 | 5.29 | 0.128 0.008 | 474 9 | 30 10 |
| Sonoma East (Bundschu01) | 3/11/26 | 77.0 8.5 | 1626 | 35.9 1.0 | 0722 | 42.4 1.5 | 97 1 | 27 7 | 1.7 0.9 | 10.1 5.0 | 1728 | WSW | 239 | 0.00 | 17.48 | 0.137 0.009 | 493 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) | 3/11/26 | 78.4 8.1 | 1536 | 36.5 1.2 | 0726 | 42.3 1.3 | 95 0 | 26 6 | 0.8 0.8 | 11.1 2.0 | 1806 | WSW | 255 | 0.00 | 14.95 | - | - | 0 0 |
| Ricci Vineyards (Carneros) | 3/11/26 | 78.5 9.5 | 1712 | 37.6 0.5 | 0729 | 42.4 0.8 | 96 0 | 24 10 | 2.7 1.0 | 10.6 2.5 | 1727 | W | 271 | 0.00 | 18.75 | 0.145 0.009 | 509 14 | 0 0 |
| Carneros (Ranch 71) | 3/11/26 | 76.8 9.1 | 1652 | 44.1 1.0 | 0711 | 42.7 1.1 | 84 4 | 27 7 | 2.4 1.6 | 13.4 2.8 | 1827 | W | 277 | 0.00 | 16.20 | 0.140 0.006 | 485 11 | 0 0 |
| Carneros Upper (Ranch 81) | 3/11/26 | 77.0 7.5 | 1556 | 45.4 2.3 | 0545 | 42.2 1.0 | - | - | 3.6 2.4 | 16.9 4.0 | 1745 | WSW | 256 | - | - | - | - | 0 0 |
| Carneros Lower (Ranch 81) | 3/11/26 | 77.4 3.3 | 1606 | 38.6 0.1 | 0748 | 42.4 0.9 | 100 0 | 0 31 | 1.2 0.2 | 9.1 4.2 | 2020 | NW | 314 | 0.00 | 16.94 | 0.104 0.008 | 357 12 | 0 0 |
| Rohnert Park-West (Stony Point) | 3/11/26 | 74.6 9.1 | 1442 | 34.5 0.1 | 0635 | 43.2 1.0 | 98 0 | 33 13 | 1.7 0.3 | 12.4 0.4 | 1624 | WSW | 251 | 0.00 | 6.33 | - | - | 0 0 |
| Cartograph Wines Base | 3/11/26 | 73.7 10.6 | 1439 | 45.5 4.0 | 0631 | 45.1 0.8 | 88 7 | 33 20 | 2.9 0.4 | 14.5 4.8 | 1650 | SW | 217 | 0.00 | 22.43 | 0.128 0.017 | 474 16 | 0 0 |
| Cartograph Wines Remote | 3/11/26 | 73.7 7.9 | 1249 | 36.9 1.1 | 0627 | - | - | - | - | - | - | - | - | - | - | - | 0 0 |
| Rice-Spivak Vineyard | 3/11/26 | 75.0 10.5 | 1442 | 31.0 0.1 | 0726 | - | - | - | - | - | - | - | - | - | - | - | 0 0 |
| Penngrove (Asellus) | 3/11/26 | 75.6 9.9 | 1529 | 36.8 0.5 | 0530 | 42.3 1.1 | 97 1 | 28 12 | 1.7 0.9 | 13.0 0.4 | 0538 | NNW | 338 | 0.00 | 45.68 | - | - | 0 0 |
| Petaluma (Ranch 10) | 3/11/26 | 79.0 9.9 | 1613 | 34.9 0.2 | 0733 | 40.5 1.2 | 100 0 | 23 4 | 1.2 1.3 | 10.5 2.3 | 1738 | WNW | 292 | 0.00 | 15.67 | 0.126 0.003 | 429 11 | 30 10 |
| Max | 79.0 | - | 45.5 | - | 45.1 | 100 | 33 | 3.6 | 16.9 | - | - | 0.00 | 45.68 | 0.152 | 531 | - | |
| Avg | - | - | - | - | 42.3 | - | - | 2.0 | - | - | - | - | - | - | - | - | |
| Min | 73.7 | - | 31.0 | - | 39.4 | 76 | 0 | 0.8 | 7.5 | - | - | 0.00 | 5.29 | 0.104 | 357 | - |