| 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) | 3/26/26 | 80.0 6.5 | 1657 | 42.5 6.5 | 0529 | 37.3 0.7 | 49 | 84 13 | 13 1 | 3.6 | 15.6 13.1 | 0402 | NW | 308 | 0.00 | 36.97 | - | - | 100 10 |
| Rockpile Upper (Cooley) | 3/26/26 | 76.7 7.5 | 1710 | 38.0 4.6 | 0610 | 37.1 0.9 | 54 | 95 10 | 15 0 | 9.7 | 34.8 2.9 | 0701 | NNW | 342 | 0.00 | 37.66 | 0.179 0.021 | 563 4 | 90 20 |
| Cloverdale-East (Ranch 83) | 3/26/26 | 83.7 3.2 | 1655 | 47.4 0.1 | 0717 | 38.6 2.7 | - | - | - | 5.0 | 25.1 4.9 | 0303 | WNW | 295 | 0.00 | 30.99 | 0.164 0.025 | 511 5 | 80 20 |
| Cloverdale-SE (Ranch 38) | 3/26/26 | 85.0 5.8 | 1619 | 46.3 4.6 | 0712 | 39.2 2.3 | 49 | 79 9 | 11 19 | 7.5 | 26.1 2.3 | 0402 | NNW | 348 | 0.00 | 32.45 | 0.170 0.033 | 486 13 | 100 0 |
| Geyserville-North (Hoffman) | 3/26/26 | 89.5 8.2 | 1638 | 45.6 4.3 | 0022 | 40.8 2.2 | 53 | 87 1 | 13 16 | 3.0 | 12.9 6.7 | 0143 | NW | 322 | 0.00 | 25.50 | 0.146 0.028 | 475 0 | 20 10 |
| Geyserville (Ranch 3) | 3/26/26 | 84.9 4.2 | 1813 | 48.3 4.8 | 0631 | 38.4 2.8 | 48 | 83 3 | 8 16 | 4.3 | 19.2 0.0 | 0432 | W | 276 | 0.00 | 31.63 | 0.154 0.045 | 485 4 | 80 20 |
| Geyserville-East (Ranch 40) | 3/26/26 | 85.1 4.4 | 1554 | 43.8 4.2 | 0715 | 38.1 4.2 | 49 | 84 12 | 9 22 | 4.1 | 17.6 3.3 | 0135 | NNW | 338 | 0.00 | 32.10 | 0.168 0.014 | 529 10 | 80 20 |
| Geyserville-South (Nervo Station) | 3/26/26 | 84.1 3.0 | 1707 | 48.2 4.1 | 0723 | - | - | - | - | 2.9 | 21.2 5.7 | 0157 | NW | 326 | 0.00 | 24.64 | - | - | 80 20 |
| Jimtown-North (Piccolo Ranch 15) | 3/26/26 | 86.2 6.5 | 1653 | 39.0 1.2 | 0730 | 38.1 4.5 | 54 | 100 5 | 7 17 | 2.2 | 15.6 3.3 | 0106 | WNW | 300 | 0.00 | 29.34 | 0.141 0.016 | 456 8 | 100 0 |
| HWY 128/Chalk Hill Rd (Landslide) | 3/26/26 | 85.5 3.2 | 1630 | 39.1 0.2 | 0723 | 38.6 5.6 | 61 | 95 2 | 9 16 | 3.2 | 15.1 1.6 | 1510 | NNE | 22 | 0.00 | 28.06 | 0.152 0.009 | 451 3 | 100 0 |
| N Chalk Hill Rd (Ranch 63) | 3/26/26 | 82.7 3.3 | 1701 | 36.3 1.8 | 0710 | 37.7 5.1 | 59 | 100 0 | 7 17 | 2.0 | 12.2 4.5 | 1815 | NE | 51 | 0.00 | 29.61 | 0.143 0.015 | 460 5 | 100 0 |
| Knights Valley (Bavarian Lion) | 3/26/26 | 81.6 2.6 | 1643 | 33.1 3.7 | 0701 | 33.0 9.4 | 53 | 98 3 | 8 16 | 3.0 | 16.3 1.7 | 1627 | ENE | 68 | 0.00 | 27.72 | 0.178 0.008 | 516 9 | 90 20 |
| Upper Dry Creek Valley | 3/26/26 | 83.6 4.4 | 1622 | 46.6 5.2 | 0046 | 38.6 3.3 | 50 | 88 2 | 11 10 | 3.3 | 17.3 3.9 | 0311 | WNW | 301 | 0.00 | 34.53 | 0.164 0.037 | 540 3 | 90 20 |
| Lower Dry Creek Valley | 3/26/26 | 85.6 4.4 | 1709 | 45.1 4.0 | 0059 | 38.9 4.1 | 49 | 92 0 | 11 8 | 3.7 | 17.9 3.8 | 0340 | WNW | 302 | 0.00 | 33.46 | 0.151 0.049 | 498 6 | 80 20 |
| Max | 89.5 | - | 48.3 | - | 40.8 | 61 | 100 | 15 | 9.7 | 34.8 | - | - | 0.00 | 37.66 | 0.179 | 563 | - | |
| Avg | - | - | - | - | 38.0 | 52 | - | - | 4.1 | - | - | - | - | - | - | - | - | |
| Min | 76.7 | - | 33.1 | - | 33.0 | 48 | 79 | 7 | 2.0 | 12.2 | - | - | 0.00 | 24.64 | 0.141 | 451 | - |
| 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) | 3/26/26 | 90.1 7.8 | 1646 | 48.8 5.5 | 0622 | 42.6 1.4 | 53 | 82 2 | 12 11 | 0.9 | 9.9 8.1 | 1425 | 0.00 | 29.12 | 0.158 0.002 | 527 7 | 70 |
| Windsor-East (Ranch 16) | 3/26/26 | 84.7 3.5 | 1558 | 44.3 6.6 | 0059 | 40.4 1.4 | 55 | 92 1 | 10 8 | 3.6 | 11.7 5.2 | 0850 | 0.00 | 21.96 | 0.164 0.020 | 521 1 | 100 |
| Mark West-North (Ranch 14) | 3/26/26 | 83.6 2.0 | 1540 | 46.2 6.4 | 0059 | 41.0 0.2 | 54 | 88 4 | 10 7 | 2.1 | 9.8 1.5 | 1509 | 0.00 | 23.74 | 0.032 0.003 | 0 0 | 60 |
| Windsor-SE (Silk Rd) | 3/26/26 | 83.4 2.4 | 1603 | 36.9 1.8 | 0651 | 40.6 0.6 | 65 | 98 2 | 10 5 | 2.1 | 11.2 4.8 | 1002 | 0.00 | 21.14 | 0.158 0.018 | 517 4 | 80 |
| Fulton-NW (Ranch 5) | 3/26/26 | 82.1 2.0 | 1636 | 39.7 0.7 | 0617 | 42.3 0.4 | 62 | 100 6 | 3 15 | 2.5 | 11.1 6.5 | 1026 | 0.00 | 23.97 | 0.160 0.022 | 526 8 | 80 |
| 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) | 3/26/26 | 81.4 1.4 | 1633 | 45.7 4.6 | 0257 | 43.5 0.5 | 57 | 84 3 | 23 4 | 2.0 | 11.5 5.7 | 1734 | 0.00 | 23.01 | - | - | 80 |
| Fulton-SW (Ranch 21) | 3/26/26 | 80.8 0.2 | 1611 | 38.4 1.1 | 0720 | 42.4 0.8 | 65 | 100 8 | 20 3 | 2.4 | 12.5 5.7 | 1008 | 0.00 | 23.44 | 0.166 0.020 | 556 6 | 0 |
| NW Santa Rosa (Piner Road) | 3/26/26 | 80.4 2.5 | 1533 | 37.0 1.4 | 0711 | 45.1 1.6 | 73 | 100 0 | 28 3 | 1.2 | 8.4 1.5 | 1633 | 0.00 | 21.90 | - | - | 0 |
| River Rd South (Denner Ranch) | 3/26/26 | 81.1 1.8 | 1634 | 36.5 1.1 | 0704 | 42.4 2.0 | 69 | 100 0 | 0 17 | 2.5 | 12.7 5.3 | 1701 | - | - | - | - | 0 |
| West Santa Rosa (LOV Vineyard) | 3/26/26 | 79.9 1.2 | 1434 | 37.8 1.9 | 0702 | 42.6 1.5 | 67 | 98 5 | 22 6 | 1.6 | 12.5 0.4 | 1017 | 0.00 | 16.83 | 0.033 0.001 | 8 7 | 50 |
| Guerneville Rd (Prokopakis) | 3/26/26 | 82.5 1.2 | 1620 | 38.7 1.6 | 0701 | 43.3 2.1 | 66 | 98 5 | 21 3 | - | - | - | 0.00 | 23.06 | - | - | 60 |
| Guerneville Rd West (Balletto) | 3/26/26 | 80.1 0.6 | 1623 | 36.1 2.4 | 0645 | 43.6 3.0 | 70 | 99 3 | 26 3 | 1.8 | 9.9 4.4 | 1005 | 0.00 | 22.55 | - | - | 0 |
| Sanchietti Ranch | 3/26/26 | 79.1 0.4 | 1613 | 37.2 2.4 | 0642 | 45.4 2.9 | - | 98 3 | 34 13 | 2.1 | 9.9 5.4 | 1524 | 0.00 | 23.50 | - | - | 0 |
| Occidental Rd (Sebastopol) | 3/26/26 | 79.0 1.9 | 1607 | 36.3 1.8 | 0645 | 47.7 3.0 | 82 | 100 0 | 33 15 | 1.8 | 10.1 5.9 | 1122 | 0.00 | 6.96 | - | - | 0 |
| Lower Westside Rd (Ranch 12) | 3/26/26 | 85.1 3.0 | 1637 | 37.0 3.0 | 0702 | 40.3 0.4 | 62 | 93 1 | 10 5 | 1.2 | 9.1 5.6 | 1528 | 0.00 | 28.30 | - | - | 100 |
| Guerneville (Laughlin Rd) | 3/26/26 | 80.6 1.3 | 1431 | 35.3 3.5 | 0658 | 40.4 2.7 | 67 | 98 4 | 15 9 | 1.2 | 11.8 4.0 | 1458 | 0.00 | 39.24 | - | - | 100 |
| Korbel (Winery) | 3/26/26 | 81.9 1.9 | 1502 | 38.6 2.2 | 0602 | 40.7 4.3 | 64 | 96 3 | 13 15 | 1.0 | 10.0 4.6 | 1308 | 0.00 | 36.61 | - | - | 100 |
| Forestville (Shone Farms) | 3/26/26 | 83.6 1.0 | 1633 | 38.4 3.1 | 0651 | 39.5 1.8 | 56 | 93 5 | 10 5 | 2.0 | 13.0 3.4 | 1644 | 0.00 | 30.31 | 0.154 0.013 | 505 14 | 80 |
| Forestville-NE (Ranch 30) | 3/26/26 | 85.3 3.5 | 1629 | 38.0 1.5 | 0705 | 42.5 2.1 | 66 | 98 2 | 15 6 | 1.8 | 11.7 6.5 | 1619 | 0.00 | 28.46 | 0.158 0.009 | 516 14 | 100 |
| Green Valley Vineyard | 3/26/26 | 81.5 4.3 | 1627 | 38.8 2.4 | 0616 | 38.3 5.0 | 57 | 94 11 | 12 22 | 1.9 | 12.1 6.6 | 1544 | 0.00 | 35.04 | 0.045 0.010 | 52 33 | 80 |
| Green Valley (Sanchietti) | 3/26/26 | 84.4 3.1 | 1638 | 32.8 4.1 | 0700 | - | - | - | - | - | - | - | - | - | - | - | 100 |
| Keefer Ranch (Green Valley) | 3/26/26 | 81.3 2.3 | 1626 | 34.7 3.1 | 0722 | 40.9 4.7 | 68 | 98 1 | 19 22 | - | - | - | 0.00 | 31.31 | - | - | 80 |
| Graton-South (Mill Station Rd) | 3/26/26 | 75.0 2.3 | 1336 | 35.1 1.6 | 0725 | 43.0 1.7 | 72 | 98 1 | 29 9 | 0.6 | 6.9 3.8 | 1347 | 0.00 | 27.62 | - | - | 80 |
| Occidental (Horseshoe Bend) | 3/26/26 | 75.8 1.9 | 1700 | 43.1 5.2 | 0609 | 38.7 3.0 | - | 85 14 | 22 7 | - | - | - | 0.08 | 32.10 | - | - | 90 |
| Sexton Valley (Jacqueline's Blk) | 3/26/26 | 74.7 2.0 | 1449 | 36.8 1.5 | 0709 | 44.4 2.1 | 73 | 99 1 | 37 4 | 1.5 | 10.0 6.8 | 1624 | 0.00 | 15.31 | - | - | 80 |
| Sebastopol Hills (Burnside Rd) | 3/26/26 | 72.0 2.8 | 1649 | 44.7 1.7 | 0710 | 42.5 1.5 | 58 | 86 11 | 36 5 | 2.2 | 10.9 3.4 | 1520 | 0.00 | 27.89 | - | - | 0 |
| Seaview/Fort Ross (Hirsch) | 3/26/26 | 70.6 2.2 | 1657 | 43.3 3.8 | 0621 | 36.8 3.2 | 48 | 79 2 | 24 6 | 3.5 | 13.7 3.1 | 0353 | 0.00 | 48.40 | 0.157 0.003 | 558 8 | 50 |
| Max | 90.1 | - | 48.8 | - | 47.7 | 82 | 100 | 37 | 3.6 | 13.7 | - | 0.08 | 48.40 | 0.166 | 558 | - | |
| Avg | - | - | - | - | 42.0 | 64 | - | - | 1.9 | - | - | - | - | - | - | - | |
| Min | 70.6 | - | 32.8 | - | 36.8 | 48 | 79 | 0 | 0.6 | 6.9 | - | 0.00 | 6.96 | 0.032 | 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 | 3/26/26 | 78.9 0.0 | 1638 | 41.6 7.3 | 0458 | 38.7 0.9 | 87 15 | 12 11 | 2.3 0.6 | 11.4 0.8 | 1214 | S | 188 | 0.00 | 5.41 | 0.158 0.012 | 546 4 | 60 60 |
| Lower Bennett Valley | 3/26/26 | 78.2 0.5 | 1639 | 34.4 0.5 | 0654 | 43.2 2.4 | 100 0 | 27 15 | 1.7 1.7 | 8.3 6.1 | 1546 | NW | 313 | 0.00 | 22.06 | 0.144 0.007 | 498 3 | 0 0 |
| Kenwood (Wildwood) | 3/26/26 | 81.8 4.4 | 1511 | 39.2 4.0 | 0634 | 40.4 5.0 | 95 11 | 13 26 | 2.5 1.7 | 11.1 6.9 | 1549 | NNE | 26 | 0.00 | 26.90 | 0.147 0.001 | 480 9 | 100 0 |
| Sonoma Valley (Bedrock) | 3/26/26 | 80.9 3.2 | 1615 | 39.9 0.6 | 0737 | 39.2 4.0 | 90 6 | 11 22 | - | - | - | - | 0.00 | 23.11 | - | - | 100 0 |
| Sonoma-West (Arnold) | 3/26/26 | 79.3 1.5 | 1504 | 36.4 1.3 | 0641 | 43.8 1.9 | 97 4 | 28 12 | 2.1 1.3 | 12.6 9.2 | 1511 | SW | 218 | 0.00 | 17.20 | 0.170 0.005 | 572 7 | 100 10 |
| Sonoma Valley HS | 3/26/26 | 78.9 0.8 | 1631 | 39.8 0.3 | 0651 | 46.7 1.3 | 100 3 | 34 14 | 1.4 1.1 | 8.9 1.2 | 1615 | S | 175 | 0.00 | 5.29 | 0.148 0.002 | 521 1 | 60 10 |
| Sonoma East (Bundschu01) | 3/26/26 | 79.5 2.4 | 1526 | 37.3 1.3 | 0722 | 43.8 1.5 | 95 7 | 27 15 | 1.9 1.8 | 10.3 12.7 | 1642 | WSW | 238 | 0.00 | 17.48 | 0.152 0.005 | 529 4 | 60 10 |
| 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) | 3/26/26 | 81.1 4.2 | 1615 | 37.7 0.5 | 0710 | 43.7 1.4 | 95 7 | 29 13 | 0.9 1.7 | 9.8 10.4 | 1636 | WSW | 249 | 0.00 | 14.95 | - | - | 0 0 |
| Ricci Vineyards (Carneros) | 3/26/26 | 80.6 4.2 | 1609 | 38.5 1.5 | 0638 | 43.3 1.7 | 96 14 | 24 17 | 2.7 3.3 | 9.0 15.2 | 1638 | SW | 233 | 0.00 | 18.75 | 0.159 0.009 | 544 1 | 0 0 |
| Carneros (Ranch 71) | 3/26/26 | 79.7 4.3 | 1625 | 45.3 2.7 | 0712 | 43.5 0.8 | 88 7 | 29 2 | 2.3 3.2 | 9.8 15.6 | 1712 | W | 263 | 0.00 | 16.20 | 0.155 0.009 | 523 5 | 30 10 |
| Carneros Upper (Ranch 81) | 3/26/26 | 81.5 4.9 | 1558 | 46.4 2.4 | 0700 | 43.2 0.7 | - | - | 3.7 5.0 | 13.3 16.8 | 1943 | WNW | 282 | - | - | - | - | 80 10 |
| Carneros Lower (Ranch 81) | 3/26/26 | 83.1 2.1 | 1526 | 39.4 0.9 | 0703 | 44.0 1.6 | 100 13 | 0 40 | 1.1 0.1 | 10.4 5.6 | 1601 | SE | 126 | 0.00 | 16.94 | 0.122 0.000 | 413 9 | 0 0 |
| Rohnert Park-West (Stony Point) | 3/26/26 | 72.6 2.5 | 1555 | 35.4 0.4 | 0444 | 44.0 1.9 | 98 2 | 43 4 | 2.1 0.7 | 12.9 8.0 | 1616 | WSW | 248 | 0.00 | 6.33 | - | - | 0 0 |
| Cartograph Wines Base | 3/26/26 | 69.8 3.0 | 1558 | 46.1 2.3 | 0338 | 44.7 2.0 | 86 5 | 44 7 | 3.2 1.4 | 15.8 8.3 | 1513 | SSW | 204 | 0.00 | 22.43 | 0.139 0.003 | 515 1 | 0 0 |
| Cartograph Wines Remote | 3/26/26 | 70.3 3.9 | 1247 | 38.2 1.4 | 0651 | - | - | - | - | - | - | - | - | - | - | - | 10 10 |
| Rice-Spivak Vineyard | 3/26/26 | 71.1 3.4 | 1300 | 30.1 1.5 | 0651 | - | - | - | - | - | - | - | - | - | - | - | 0 0 |
| Penngrove (Asellus) | 3/26/26 | 73.9 1.0 | 1403 | 35.8 2.2 | 0611 | 42.4 1.7 | 98 2 | 36 5 | 1.3 1.4 | 13.2 2.0 | 0627 | N | 2 | 0.00 | 45.71 | - | - | 0 0 |
| Petaluma (Ranch 10) | 3/26/26 | 79.0 2.8 | 1541 | 36.2 4.1 | 0641 | 41.5 2.9 | 100 10 | 28 6 | 1.5 2.2 | 10.4 7.1 | 1407 | WNW | 294 | 0.00 | 15.67 | 0.147 0.009 | 487 0 | 90 10 |
| Max | 83.1 | - | 46.4 | - | 46.7 | 100 | 44 | 3.7 | 15.8 | - | - | 0.00 | 45.71 | 0.170 | 572 | - | |
| Avg | - | - | - | - | 42.9 | - | - | 2.0 | - | - | - | - | - | - | - | - | |
| Min | 69.8 | - | 30.1 | - | 38.7 | 86 | 0 | 0.9 | 8.3 | - | - | 0.00 | 5.29 | 0.122 | 413 | - |