| 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) | 3/9/26 | 69.9 8.1 | 1602 | 45.8 8.2 | 2350 | 41.1 3.1 | 61 | 86 17 | 26 1 | 5.7 | 24.2 9.6 | 1721 | WNW | 282 | 0.00 | 36.97 | - | - | 0 0 |
| Rockpile Upper (Cooley) | 3/9/26 | 64.6 10.2 | 1519 | 41.0 7.1 | 0045 | 40.2 2.6 | 70 | 95 18 | 31 0 | 16.6 | 43.0 17.3 | 2008 | NW | 320 | 0.00 | 37.66 | 0.143 0.040 | 500 0 | 0 0 |
| Cloverdale-East (Ranch 83) | 3/9/26 | 75.3 7.5 | 1606 | 50.3 0.6 | 0046 | 43.6 4.7 | - | - | - | 6.2 | 17.2 1.4 | 2145 | WNW | 289 | 0.00 | 30.99 | 0.147 0.005 | 441 1 | 0 0 |
| Cloverdale-SE (Ranch 38) | 3/9/26 | 74.1 8.2 | 1552 | 49.1 3.5 | 0058 | 44.5 4.2 | 62 | 79 3 | 35 5 | 9.9 | 25.4 2.1 | 2329 | N | 349 | 0.00 | 32.45 | 0.148 0.003 | 412 0 | 0 0 |
| Geyserville-North (Hoffman) | 3/9/26 | 76.9 7.4 | 1528 | 46.3 0.2 | 0118 | 44.5 5.3 | 61 | 94 0 | 30 1 | 4.3 | 16.1 4.2 | 0033 | W | 277 | 0.00 | 25.50 | 0.132 0.004 | 406 3 | 0 0 |
| Geyserville (Ranch 3) | 3/9/26 | 76.4 6.4 | 1642 | 47.6 0.3 | 0155 | 43.5 5.0 | 57 | 100 0 | 26 0 | 6.0 | 19.8 7.4 | 0018 | W | 279 | 0.00 | 31.63 | 0.153 0.014 | 439 1 | 0 0 |
| Geyserville-East (Ranch 40) | 3/9/26 | 76.4 7.0 | 1557 | 47.7 5.0 | 0046 | 45.3 4.0 | 63 | 86 3 | 31 1 | 5.0 | 21.0 5.7 | 1817 | NW | 314 | 0.00 | 32.10 | 0.145 0.007 | 459 1 | 0 0 |
| Geyserville-South (Nervo Station) | 3/9/26 | 76.4 6.1 | 1623 | 47.5 4.3 | 0720 | - | - | - | - | 4.3 | 25.9 2.7 | 0044 | W | 278 | 0.00 | 24.64 | - | - | 0 0 |
| Jimtown-North (Piccolo Ranch 15) | 3/9/26 | 76.1 7.6 | 1644 | 42.4 1.7 | 0710 | 43.5 3.3 | 65 | 100 2 | 26 1 | 2.9 | 14.5 4.4 | 1814 | WNW | 288 | 0.00 | 29.34 | 0.123 0.003 | 397 0 | 0 0 |
| HWY 128/Chalk Hill Rd (Landslide) | 3/9/26 | 78.9 4.0 | 1638 | 41.9 0.7 | 0705 | 44.6 3.7 | 67 | 100 0 | 28 1 | 2.5 | 12.3 1.4 | 1826 | W | 273 | 0.00 | 28.06 | 0.122 0.003 | 392 1 | 60 60 |
| N Chalk Hill Rd (Ranch 63) | 3/9/26 | 75.6 5.3 | 1639 | 39.4 3.1 | 0746 | 43.0 4.1 | 67 | 100 0 | 27 2 | 2.5 | 14.2 4.2 | 1401 | NNW | 348 | 0.00 | 29.61 | 0.124 0.014 | 398 0 | 60 60 |
| Knights Valley (Bavarian Lion) | 3/9/26 | 76.6 4.4 | 1608 | 39.2 4.9 | 0751 | 43.2 3.1 | 68 | 98 2 | 28 1 | 3.0 | 14.5 7.8 | 1839 | NW | 311 | 0.00 | 27.72 | 0.132 0.006 | 438 6 | 0 0 |
| Upper Dry Creek Valley | 3/9/26 | 76.2 5.8 | 1652 | 46.0 0.4 | 0112 | 42.1 5.9 | 54 | 96 1 | 19 7 | 5.9 | 21.6 10.8 | 1802 | WNW | 296 | 0.00 | 34.53 | 0.163 0.019 | 472 6 | 0 0 |
| Lower Dry Creek Valley | 3/9/26 | 77.3 6.9 | 1548 | 42.6 2.3 | 0713 | 43.3 5.5 | 63 | 100 0 | 20 7 | 6.3 | 22.2 10.8 | 2345 | WNW | 284 | 0.00 | 33.46 | 0.162 0.031 | 436 2 | 0 0 |
| Max | 78.9 | - | 50.3 | - | 45.3 | 70 | 100 | 35 | 16.6 | 43.0 | - | - | 0.00 | 37.66 | 0.163 | 500 | - | |
| Avg | - | - | - | - | 43.3 | 63 | - | - | 5.8 | - | - | - | - | - | - | - | - | |
| Min | 64.6 | - | 39.2 | - | 40.2 | 54 | 79 | 19 | 2.5 | 12.3 | - | - | 0.00 | 24.64 | 0.122 | 392 | - |
| 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) | 3/9/26 | 78.6 4.4 | 1551 | 44.7 5.1 | 0734 | 47.2 3.7 | 65 | 88 3 | 33 1 | 2.4 | 16.0 2.2 | 2336 | 0.00 | 29.12 | 0.135 0.006 | 458 2 | 80 |
| Windsor-East (Ranch 16) | 3/9/26 | 78.0 3.5 | 1506 | 42.0 3.1 | 0536 | 46.4 2.0 | 69 | 100 4 | 38 10 | 3.2 | 11.9 2.1 | 1430 | 0.00 | 21.96 | 0.134 0.011 | 452 3 | 0 |
| Mark West-North (Ranch 14) | 3/9/26 | 76.3 7.0 | 1439 | 42.7 4.0 | 0713 | 46.3 1.4 | 69 | 98 4 | 39 13 | 1.8 | 11.6 2.4 | 1559 | 0.00 | 23.74 | 0.025 0.000 | 0 0 | 0 |
| Windsor-SE (Silk Rd) | 3/9/26 | 76.8 3.7 | 1522 | 40.8 2.6 | 0733 | 46.5 1.3 | 76 | 99 2 | 42 15 | 1.7 | 11.3 3.9 | 1600 | 0.00 | 21.14 | 0.127 0.015 | 452 4 | 0 |
| Fulton-NW (Ranch 5) | 3/9/26 | 74.6 4.6 | 1450 | 42.2 3.1 | 0726 | 36.2 12.8 | 62 | 100 4 | 3 27 | 2.2 | 12.5 1.0 | 1610 | 0.00 | 23.97 | 0.130 0.011 | 460 0 | 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) | 3/9/26 | 75.3 5.6 | 1541 | 42.9 3.5 | 0644 | 47.2 2.0 | 73 | 97 5 | 46 11 | 2.2 | 11.5 1.2 | 1803 | 0.00 | 23.01 | - | - | 0 |
| Fulton-SW (Ranch 21) | 3/9/26 | 75.3 5.0 | 1433 | 41.9 3.9 | 0747 | 23.3 26.1 | 57 | 100 5 | 0 34 | 2.2 | 12.4 0.9 | 1606 | 0.00 | 23.44 | 0.133 0.012 | 484 6 | 0 |
| NW Santa Rosa (Piner Road) | 3/9/26 | 73.8 5.8 | 1516 | 41.3 3.2 | 0732 | 49.1 2.7 | 84 | 100 0 | 50 10 | 1.6 | 10.8 2.4 | 1747 | 0.00 | 21.90 | - | - | 0 |
| River Rd South (Denner Ranch) | 3/9/26 | 76.5 5.9 | 1438 | 40.4 5.0 | 0719 | 48.2 2.0 | 81 | 100 0 | 46 17 | 2.5 | 13.6 0.4 | 1607 | - | - | - | - | 0 |
| West Santa Rosa (LOV Vineyard) | 3/9/26 | 75.3 4.5 | 1452 | 41.6 4.3 | 0737 | 47.1 2.0 | 78 | 100 5 | 41 8 | 1.5 | 11.3 0.1 | 1520 | 0.00 | 16.59 | 0.019 0.057 | 1 192 | 0 |
| Guerneville Rd (Prokopakis) | 3/9/26 | 75.4 6.2 | 1454 | 42.9 4.0 | 0740 | 47.8 1.9 | 78 | 100 4 | 40 6 | - | - | - | 0.00 | 23.03 | - | - | 0 |
| Guerneville Rd West (Balletto) | 3/9/26 | 74.2 6.3 | 1516 | 42.1 3.3 | 0731 | 48.3 2.5 | 82 | 100 2 | 49 10 | 2.2 | 11.1 1.7 | 1739 | 0.00 | 22.55 | - | - | 0 |
| Sanchietti Ranch | 3/9/26 | 73.3 5.6 | 1652 | 42.0 4.8 | 0658 | 49.0 2.6 | - | 99 4 | 52 12 | 2.5 | 12.6 2.0 | 1807 | 0.00 | 23.50 | - | - | 0 |
| Occidental Rd (Sebastopol) | 3/9/26 | 74.1 5.1 | 1540 | 40.3 4.9 | 0617 | 51.8 3.0 | 95 | 100 0 | 58 10 | 1.7 | 11.6 2.4 | 1618 | 0.01 | 6.95 | - | - | 0 |
| Lower Westside Rd (Ranch 12) | 3/9/26 | 78.6 4.1 | 1506 | 41.9 2.9 | 0713 | 47.1 0.5 | 75 | 100 4 | 37 11 | 1.3 | 10.2 4.0 | 1613 | 0.00 | 28.30 | - | - | 60 |
| Guerneville (Laughlin Rd) | 3/9/26 | 75.7 5.9 | 1437 | 40.2 1.5 | 0059 | 46.9 0.5 | 79 | 98 0 | 40 9 | 1.5 | 12.1 3.6 | 1533 | 0.00 | 39.24 | - | - | 0 |
| Korbel (Winery) | 3/9/26 | 76.0 3.7 | 1637 | 44.1 0.5 | 0027 | 48.2 0.1 | 78 | 100 0 | 33 5 | 1.0 | 9.6 5.7 | 1504 | 0.00 | 36.60 | - | - | 0 |
| Forestville (Shone Farms) | 3/9/26 | 77.3 4.2 | 1518 | 41.4 6.1 | 0645 | 48.2 0.1 | 76 | 97 1 | 42 13 | 1.8 | 10.1 4.5 | 1819 | 0.00 | 30.31 | 0.123 0.014 | 434 6 | 0 |
| Forestville-NE (Ranch 30) | 3/9/26 | 75.6 5.1 | 1327 | 42.2 2.3 | 0612 | 49.1 0.2 | 80 | 100 1 | 42 10 | 1.8 | 10.8 4.2 | 1800 | 0.00 | 28.46 | 0.128 0.016 | 449 8 | 80 |
| Green Valley Vineyard | 3/9/26 | 74.9 4.3 | 1559 | 41.4 6.1 | 0049 | 47.6 0.3 | 77 | 99 3 | 32 2 | 2.1 | 10.1 5.3 | 1604 | 0.00 | 35.04 | 0.021 0.024 | 0 63 | 0 |
| Green Valley (Sanchietti) | 3/9/26 | 76.3 5.2 | 1709 | 40.1 2.0 | 0728 | - | - | - | - | - | - | - | - | - | - | - | 0 |
| Keefer Ranch (Green Valley) | 3/9/26 | 75.2 3.9 | 1511 | 39.2 3.2 | 0717 | 47.2 1.6 | 82 | 99 1 | 39 4 | - | - | - | 0.00 | 31.31 | - | - | 0 |
| Graton-South (Mill Station Rd) | 3/9/26 | 73.6 4.5 | 1454 | 38.7 3.9 | 0739 | 46.3 2.3 | 79 | 99 1 | 42 10 | 0.5 | 6.8 2.0 | 1527 | 0.00 | 27.62 | - | - | 0 |
| Occidental (Horseshoe Bend) | 3/9/26 | 74.2 2.8 | 1443 | 46.6 3.7 | 0058 | 46.2 1.3 | - | 92 1 | 37 4 | - | - | - | 0.01 | 16.42 | - | - | 0 |
| Sexton Valley (Jacqueline's Blk) | 3/9/26 | 73.6 4.5 | 1457 | 41.1 2.9 | 0740 | 47.5 2.5 | 82 | 100 0 | 47 3 | 1.4 | 9.2 1.4 | 1512 | 0.00 | 15.31 | - | - | 0 |
| Sebastopol Hills (Burnside Rd) | 3/9/26 | 70.4 5.2 | 1440 | 47.7 2.8 | 0812 | 48.9 1.9 | 78 | 97 5 | 53 13 | 2.0 | 12.3 2.1 | 1527 | 0.00 | 27.89 | - | - | 0 |
| Seaview/Fort Ross (Hirsch) | 3/9/26 | 67.8 4.1 | 1529 | 45.1 8.5 | 0059 | 40.9 2.1 | 62 | 84 22 | 28 0 | 5.5 | 18.9 6.2 | 2247 | 0.00 | 48.40 | 0.139 0.011 | 496 7 | 0 |
| Max | 78.6 | - | 47.7 | - | 51.8 | 95 | 100 | 58 | 5.5 | 18.9 | - | 0.01 | 48.40 | 0.139 | 496 | - | |
| Avg | - | - | - | - | 46.1 | 76 | - | - | 2.0 | - | - | - | - | - | - | - | |
| Min | 67.8 | - | 38.7 | - | 23.3 | 57 | 84 | 0 | 0.5 | 6.8 | - | 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 | 3/9/26 | 72.8 4.4 | 1549 | 43.7 8.1 | 0055 | 45.5 1.0 | 89 11 | 43 12 | 2.4 0.2 | 10.7 0.6 | 1423 | S | 189 | 0.00 | 5.41 | 0.131 0.010 | 473 0 | 0 0 |
| Lower Bennett Valley | 3/9/26 | 74.1 4.5 | 1456 | 38.8 3.2 | 0516 | 46.1 1.4 | 100 2 | 48 15 | 2.6 0.3 | 13.3 0.1 | 1534 | S | 176 | 0.00 | 22.06 | 0.122 0.011 | 445 5 | 0 0 |
| Kenwood (Wildwood) | 3/9/26 | 74.4 5.3 | 1505 | 42.2 3.9 | 0626 | 47.6 1.3 | 100 4 | 46 14 | 3.0 0.5 | 12.4 2.6 | 1654 | NNW | 333 | 0.00 | 26.90 | 0.118 0.007 | 412 0 | 0 0 |
| Sonoma Valley (Bedrock) | 3/9/26 | 74.0 4.8 | 1558 | 42.2 0.9 | 0444 | 45.4 1.7 | 96 1 | 42 7 | - | - | - | - | 0.00 | 23.11 | - | - | 0 0 |
| Sonoma-West (Arnold) | 3/9/26 | 75.0 4.6 | 1538 | 41.5 2.6 | 0729 | 47.2 1.7 | 100 3 | 45 7 | 2.7 0.8 | 15.7 5.0 | 1730 | W | 259 | 0.00 | 17.20 | 0.148 0.003 | 512 3 | 50 10 |
| Sonoma Valley HS | 3/9/26 | 73.8 2.9 | 1552 | 43.2 2.5 | 0714 | 49.2 2.5 | 100 0 | 53 6 | 2.1 0.5 | 9.7 0.9 | 1822 | SW | 220 | 0.00 | 5.29 | 0.124 0.004 | 457 1 | 50 10 |
| Sonoma East (Bundschu01) | 3/9/26 | 73.5 2.1 | 1625 | 41.6 3.4 | 0655 | 46.9 2.5 | 97 4 | 46 3 | 3.1 0.5 | 16.7 5.7 | 1409 | SW | 222 | 0.00 | 17.48 | 0.134 0.001 | 469 6 | 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) | 3/9/26 | 73.9 3.6 | 1612 | 42.2 3.3 | 0733 | 46.9 2.4 | 96 1 | 46 3 | 1.8 0.7 | 15.8 7.0 | 1639 | WSW | 246 | 0.00 | 14.95 | - | - | 0 0 |
| Ricci Vineyards (Carneros) | 3/9/26 | 73.7 3.6 | 1539 | 42.7 2.5 | 0602 | 47.4 1.7 | 97 1 | 47 7 | 4.4 1.4 | 16.6 3.9 | 1404 | W | 280 | 0.00 | 18.75 | 0.141 0.001 | 485 0 | 0 0 |
| Carneros (Ranch 71) | 3/9/26 | 73.2 2.3 | 1619 | 47.0 5.3 | 0047 | 49.2 0.6 | 95 6 | 49 4 | 4.9 2.7 | 22.0 12.1 | 1820 | W | 278 | 0.00 | 16.20 | 0.135 0.003 | 466 2 | 0 0 |
| Carneros Upper (Ranch 81) | 3/9/26 | 73.3 2.6 | 1603 | 47.6 5.6 | 0021 | 38.2 10.7 | - | - | 7.3 2.9 | 24.0 9.4 | 1832 | W | 277 | - | - | - | - | 0 0 |
| Carneros Lower (Ranch 81) | 3/9/26 | 78.3 2.4 | 1606 | 44.5 0.9 | 0656 | 41.9 6.7 | 100 0 | 0 0 | 1.3 0.2 | 10.2 0.4 | 2102 | NW | 324 | 0.00 | 16.94 | 0.092 0.010 | 318 21 | 0 0 |
| Rohnert Park-West (Stony Point) | 3/9/26 | 71.5 6.1 | 1457 | 39.4 4.4 | 0051 | 46.7 3.8 | 100 2 | 58 12 | 2.1 0.1 | 12.8 1.1 | 1701 | S | 187 | 0.00 | 6.33 | - | - | 0 0 |
| Cartograph Wines Base | 3/9/26 | 70.3 4.6 | 1424 | 45.0 3.4 | 0009 | 49.4 2.7 | 99 2 | 61 9 | 3.4 0.4 | 18.0 0.9 | 1729 | S | 179 | 0.00 | 22.43 | 0.111 0.013 | 451 3 | 0 0 |
| Cartograph Wines Remote | 3/9/26 | 69.4 6.6 | 1312 | 39.3 4.7 | 0058 | - | - | - | - | - | - | - | - | - | - | - | 0 0 |
| Rice-Spivak Vineyard | 3/9/26 | 71.5 4.3 | 1503 | 33.5 5.2 | 0059 | - | - | - | - | - | - | - | - | - | - | - | 0 0 |
| Penngrove (Asellus) | 3/9/26 | 72.0 6.4 | 1533 | 38.5 6.4 | 0047 | 45.6 3.1 | 98 2 | 48 15 | 2.0 0.1 | 11.7 0.2 | 1608 | SSW | 193 | 0.00 | 45.68 | - | - | 0 0 |
| Petaluma (Ranch 10) | 3/9/26 | 76.6 5.1 | 1602 | 40.2 4.1 | 0734 | 44.8 3.9 | 100 7 | 41 11 | 2.1 0.4 | 13.2 2.6 | 1432 | W | 279 | 0.00 | 15.67 | 0.123 0.006 | 410 0 | 50 10 |
| Max | 78.3 | - | 47.6 | - | 49.4 | 100 | 61 | 7.3 | 24.0 | - | - | 0.00 | 45.68 | 0.148 | 512 | - | |
| Avg | - | - | - | - | 46.1 | - | - | 3.0 | - | - | - | - | - | - | - | - | |
| Min | 69.4 | - | 33.5 | - | 38.2 | 89 | 0 | 1.3 | 9.7 | - | - | 0.00 | 5.29 | 0.092 | 318 | - |