| Station | Date | Time | Temp (°F) | RH (%) | Dew Pt (°F) | Wind Spd (mph) | Wind Dir (°) | Wind Gust (mph) | Latest Rain (In) | Daily Rain (In) | Daily Min Temp (°F) | Daily Max Temp (°F) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rockpile Upper (Cooley) | 5/21/26 | 0730 | 68.0 3.7 | 35 4 | 39.2 0.3 | 2.7 3.3 | NNW | 336 | 4.4 3.7 | 0.00 | 0.00 | 64.9 5.5 | 69.2 3.7 |
| Rockpile Lower (Cooley) | 5/21/26 | 0715 | 68.6 4.4 | 38 4 | 42.0 1.1 | 0.0 0.3 | N | 0 | 0.0 1.7 | 0.00 | 0.00 | 62.1 3.4 | 70.0 2.0 |
| Cloverdale-East (Ranch 83) | 5/21/26 | 0730 | 53.5 7.7 | - | - | 0.8 4.9 | ESE | 121 | 2.7 8.9 | 0.00 | 0.00 | 48.2 7.9 | 55.3 10.4 |
| Cloverdale-SE (Ranch 38) | 5/21/26 | 0730 | 58.8 2.5 | 64 15 | 46.7 4.6 | 0.3 8.2 | SE | 133 | 1.4 14.5 | 0.00 | 0.00 | 53.8 5.2 | 61.2 4.5 |
| Geyserville-North (Hoffman) | 5/21/26 | 0730 | 58.5 0.5 | 74 7 | 50.3 3.3 | 0.0 0.1 | NE | 44 | 0.7 0.5 | 0.00 | 0.00 | 47.1 0.8 | 60.0 0.0 |
| Geyserville (Ranch 3) | 5/21/26 | 0730 | 58.9 0.5 | 68 9 | 48.3 3.2 | 0.2 0.2 | N | 7 | 0.9 0.4 | 0.00 | 0.00 | 49.9 0.5 | 60.0 1.2 |
| Geyserville-East (Ranch 40) | 5/21/26 | 0730 | 64.6 0.5 | 56 10 | 48.7 5.5 | 0.9 0.7 | NNW | 339 | 2.4 0.2 | 0.00 | 0.00 | 54.7 2.0 | 64.9 0.7 |
| Geyserville-South (Nervo Station) | 5/21/26 | 0730 | 60.6 1.2 | - | - | 0.5 0.3 | ENE | 65 | 2.7 0.3 | 0.00 | 0.00 | 50.9 1.0 | 61.3 0.4 |
| Peterson (Ranch 09) | 5/21/26 | 0730 | 55.5 2.0 | 76 5 | 48.0 3.8 | 0.3 0.0 | SE | 127 | 1.3 0.0 | 0.00 | 0.00 | 48.3 0.9 | 56.0 0.1 |
| Crazy Creek Ranch | 5/21/26 | 0730 | 51.7 0.5 | 96 13 | 50.5 4.4 | 0.5 0.2 | E | 92 | 1.2 0.1 | 0.00 | 0.00 | 47.3 0.1 | 53.7 1.2 |
| Whitton Ranch (201e) | 5/21/26 | 0730 | 57.1 1.5 | 81 11 | 51.4 5.2 | 0.6 0.2 | ENE | 70 | 2.3 0.5 | 0.00 | 0.00 | 42.2 0.6 | 58.4 1.2 |
| Lytton East (Shop Hill Bottom) | 5/21/26 | 0730 | 55.1 0.7 | 80 8 | 49.1 3.3 | 0.4 0.1 | E | 99 | 1.2 0.0 | 0.00 | 0.00 | 45.1 0.0 | 55.9 1.7 |
| Lytton East (Hill 5) | 5/21/26 | 0730 | 54.8 1.0 | 79 11 | 48.6 3.0 | 0.2 0.0 | SE | 146 | 1.1 0.2 | 0.00 | 0.00 | 50.0 0.9 | 56.0 3.6 |
| Lytton West Lower (Lew 6) | 5/21/26 | 0730 | 54.8 1.1 | 86 12 | 50.8 2.8 | 0.0 0.0 | NE | 48 | 0.3 0.3 | 0.00 | 0.00 | 44.2 0.5 | 55.9 1.2 |
| Lytton West Hill (23PS) | 5/21/26 | 0730 | 56.2 2.0 | 77 14 | 49.2 3.2 | 0.1 0.3 | SW | 233 | 1.8 0.4 | 0.00 | 0.00 | 49.7 1.0 | 58.6 0.6 |
| Big River | 5/21/26 | 0730 | 55.7 0.7 | 84 12 | 50.9 3.3 | 0.0 0.1 | S | 182 | 0.5 0.7 | 0.00 | 0.00 | 49.0 1.1 | 56.8 1.1 |
| Jimtown-North (Piccolo Ranch 15) | 5/21/26 | 0730 | 53.4 1.5 | 92 12 | 51.2 5.2 | 0.1 0.1 | S | 183 | 1.5 0.4 | 0.00 | 0.00 | 45.5 0.3 | 54.5 1.1 |
| HWY 128/Chalk Hill Rd (Landslide) | 5/21/26 | 0700 | 51.0 3.4 | 94 0 | 49.3 3.4 | 0.0 0.3 | N | 0 | 0.0 1.1 | 0.00 | 0.00 | 45.9 0.8 | 52.6 1.9 |
| N Chalk Hill Rd (Ranch 63) | 5/21/26 | 0730 | 55.5 2.4 | 76 0 | 48.0 2.3 | 0.2 0.2 | E | 98 | 1.4 1.4 | 0.00 | 0.00 | 44.7 0.6 | 58.2 3.6 |
| Newman Knights Valley | 5/21/26 | 0730 | 51.5 2.5 | 87 3 | 47.8 3.5 | 0.0 0.0 | WNW | 300 | 0.4 0.1 | 0.00 | 0.00 | 45.4 1.3 | 52.3 2.1 |
| Knights Valley (Bavarian Lion) | 5/21/26 | 0730 | 53.1 2.4 | 85 0 | 48.8 2.4 | 0.4 0.0 | SE | 128 | 1.7 0.1 | 0.00 | 0.00 | 44.1 0.9 | 54.4 1.7 |
| Red Tail | 5/21/26 | 0730 | 53.1 0.9 | 87 9 | 49.3 1.9 | 0.2 0.1 | NW | 323 | 1.1 0.6 | 0.00 | 0.00 | 45.5 0.8 | 54.6 1.1 |
| Franz Valley (Stornetta) | 5/21/26 | 0730 | 50.3 1.1 | 88 7 | 46.8 3.3 | 0.2 0.3 | ESE | 108 | 0.9 0.6 | 0.00 | 0.00 | 44.3 0.7 | 51.7 1.3 |
| Upper Dry Creek Valley | 5/21/26 | 0730 | 58.8 0.7 | 67 7 | 47.8 3.5 | 0.7 0.6 | E | 88 | 2.2 1.3 | 0.00 | 0.00 | 46.9 0.3 | 60.2 0.1 |
| Lower Dry Creek Valley | 5/21/26 | 0730 | 58.6 2.2 | 67 0 | 47.8 2.3 | 0.0 0.0 | N | 0 | 0.0 0.0 | 0.00 | 0.00 | 46.9 0.4 | 61.2 3.3 |
| Max | 68.6 | 96 | 51.4 | 2.7 | - | 4.4 | 0.00 | 0.00 | 64.9 | 70.0 | ||
| Avg | 56.7 | 76 | 48.3 | 0.4 | - | 1.4 | 0.00 | - | - | - | ||
| Min | 50.3 | 35 | 39.2 | 0.0 | - | 0.0 | 0.00 | 0.00 | 42.2 | 51.7 |
| Station | Date | Time | Temp (°F) | RH (%) | Dew Pt (°F) | Wind Spd (mph) | Wind Dir (°) | Wind Gust (mph) | Latest Rain (In) | Daily Rain (In) | Daily Max Temp (°F) | Daily Min Temp (°F) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Windsor-NW (Ranch 8) | 5/21/26 | 0730 | 52.3 0.5 | 84 0 | 47.5 0.5 | 0.0 0.0 | W | 268 | 0.0 0.0 | 0.00 | 0.00 | 53.4 2.6 | 49.1 0.9 |
| Windsor-East (Ranch 16) | 5/21/26 | 0730 | 52.7 0.3 | 88 5 | 49.2 1.8 | 0.0 0.0 | N | 0 | 0.0 0.0 | 0.00 | 0.00 | 53.9 0.2 | 44.5 0.7 |
| Mark West-North (Ranch 14) | 5/21/26 | 0730 | 56.5 0.7 | 73 8 | 47.8 2.2 | 0.0 0.5 | NNW | 334 | 0.7 1.1 | 0.00 | 0.00 | 58.2 0.1 | 46.9 0.9 |
| Windsor-SE (Silk Rd) | 5/21/26 | 0730 | 55.0 1.2 | 80 5 | 49.1 0.5 | 0.0 0.0 | SSW | 194 | 0.4 0.4 | 0.00 | 0.00 | 55.3 1.7 | 44.0 1.0 |
| Fulton-NW (Ranch 5) | 5/21/26 | 0730 | 51.8 0.4 | 89 5 | 48.7 1.1 | 0.3 0.3 | S | 186 | 1.3 0.8 | 0.00 | 0.00 | 52.5 0.7 | 45.1 1.1 |
| Bisordi (Fulton) | 5/21/26 | 0730 | 53.4 1.3 | 85 4 | 49.1 0.1 | 0.7 0.6 | WSW | 251 | 1.8 0.8 | 0.00 | 0.00 | 53.4 1.3 | 44.8 0.6 |
| Windsor-South (Laughlin Rd) | 5/21/26 | 0730 | 57.5 3.1 | 78 4 | 50.6 1.5 | - | - | - | 0.00 | 0.00 | 58.4 3.0 | 46.3 1.2 |
| Fulton-SE (Barnes Rd) | 5/21/26 | 0730 | 53.2 1.2 | 83 2 | 48.3 0.5 | 1.2 0.8 | WNW | 286 | 2.6 1.2 | 0.00 | 0.00 | 53.2 2.0 | 46.7 1.2 |
| Fulton-SW (Ranch 21) | 5/21/26 | 0730 | 54.2 0.5 | 84 6 | 49.4 1.6 | 0.3 0.1 | SW | 219 | 1.2 0.1 | 0.00 | 0.00 | 54.8 1.7 | 44.8 1.7 |
| NW Santa Rosa (Piner Road) | 5/21/26 | 0730 | 51.4 0.5 | 100 0 | 51.4 0.5 | 0.1 0.1 | W | 261 | 0.7 0.0 | 0.00 | 0.00 | 52.4 0.2 | 44.0 1.2 |
| River Rd South (Denner Ranch) | 5/21/26 | 0730 | 51.2 0.1 | 0 0 | -66.9 0.0 | 0.1 0.1 | SW | 235 | 1.1 1.1 | - | - | 52.3 1.0 | 43.6 0.8 |
| West Santa Rosa (LOV Vineyard) | 5/21/26 | 0730 | 50.7 0.8 | 94 1 | 49.1 1.0 | 0.4 0.4 | NNW | 332 | 1.9 1.1 | 0.00 | 0.00 | 51.3 0.1 | 45.2 1.0 |
| Guerneville Rd (Prokopakis) | 5/21/26 | 0730 | 53.5 1.4 | 85 0 | 49.2 1.4 | - | - | - | 0.00 | 0.00 | 54.2 0.8 | 45.6 1.0 |
| SunnyView Vineyard (SCWC) | 5/21/26 | 0730 | 54.9 2.1 | 80 3 | 48.7 1.0 | 0.0 0.0 | N | 0 | 0.0 0.5 | 0.00 | 0.00 | 57.3 2.8 | 43.0 0.5 |
| Guerneville Rd West (Balletto) | 5/21/26 | 0730 | 51.5 0.6 | 96 3 | 50.3 1.4 | 0.6 0.1 | WNW | 294 | 1.6 0.0 | 0.00 | 0.00 | 52.0 0.0 | 44.7 1.0 |
| Sanchietti Ranch | 5/21/26 | 0730 | 53.2 0.9 | 91 2 | 50.6 0.3 | 0.2 0.2 | WSW | 245 | 1.0 1.3 | 0.00 | 0.00 | 53.2 0.9 | 43.5 1.2 |
| Occidental Rd (Sebastopol) | 5/21/26 | 0730 | 53.6 1.3 | 100 0 | 53.7 1.3 | 0.2 0.4 | SSW | 213 | 1.5 0.2 | 0.00 | 0.00 | 54.4 0.4 | 43.4 1.6 |
| Harper's Rest (Windsor-West) | 5/21/26 | 0730 | 54.8 0.4 | 86 14 | 50.8 5.1 | 0.2 0.3 | ENE | 65 | 1.0 0.4 | 0.00 | 0.00 | 55.8 0.3 | 44.3 0.6 |
| Lower Westside Rd (Ranch 12) | 5/21/26 | 0730 | 48.6 0.2 | 95 11 | 47.4 3.0 | 0.0 0.0 | N | 0 | 0.0 0.0 | 0.00 | 0.00 | 51.7 0.2 | 45.4 0.6 |
| Guerneville (Laughlin Rd) | 5/21/26 | 0730 | 53.9 0.1 | 78 8 | 47.2 2.8 | 0.0 0.0 | ENE | 73 | 0.4 0.5 | 0.00 | 0.00 | 53.9 0.1 | 44.0 0.2 |
| Korbel (Winery) | 5/21/26 | 0730 | 54.6 0.2 | 79 6 | 48.2 1.9 | 0.6 0.0 | NE | 47 | 1.9 0.3 | 0.00 | 0.00 | 54.6 0.2 | 47.1 0.4 |
| Forestville (Shone Farms) | 5/21/26 | 0730 | 56.6 3.2 | 77 15 | 49.3 2.9 | 0.4 0.4 | SE | 124 | 1.8 0.8 | 0.00 | 0.00 | 60.0 2.1 | 46.6 1.5 |
| Forestville-NE (Ranch 30) | 5/21/26 | 0730 | 52.0 0.6 | 94 5 | 50.4 2.1 | 0.0 0.1 | N | 0 | 0.0 0.7 | 0.00 | 0.00 | 52.0 0.6 | 44.2 1.2 |
| Foggy Bend (Ranch 41) | 5/21/26 | 0730 | 50.6 0.5 | 96 12 | 49.6 3.0 | 0.1 0.1 | WNW | 287 | 1.0 1.0 | 0.00 | 0.00 | 51.8 0.9 | 46.4 0.0 |
| Last Stop | 5/21/26 | 0730 | 52.8 1.2 | 95 9 | 51.5 1.6 | 0.0 0.4 | E | 91 | 1.0 0.2 | 0.00 | 0.00 | 52.8 1.2 | 43.2 0.8 |
| Green Valley Vineyard | 5/21/26 | 0730 | 56.0 0.7 | 80 18 | 50.0 6.2 | 0.0 0.3 | ESE | 104 | 0.7 0.4 | 0.00 | 0.00 | 58.0 0.3 | 45.3 2.1 |
| Park Royal | 5/21/26 | 0730 | 53.8 0.3 | 81 3 | 48.0 1.2 | - | - | - | 0.00 | 0.00 | 55.1 0.1 | 44.4 1.4 |
| Merino | 5/21/26 | 0730 | 50.9 1.1 | 100 0 | 50.9 1.1 | 0.0 0.0 | S | 191 | 0.4 0.2 | 0.00 | 0.00 | 52.0 0.8 | 41.2 1.8 |
| Green Valley (Sanchietti) | 5/21/26 | 0730 | 55.1 1.6 | - | - | - | - | - | - | - | 56.8 1.1 | 42.8 1.1 |
| Keefer Ranch (Green Valley) | 5/21/26 | 0730 | 51.7 1.0 | 98 0 | 51.2 1.1 | - | - | - | 0.00 | 0.00 | 51.7 1.0 | 43.0 0.2 |
| Graton-West (Dutton Ranch) | 5/21/26 | 0730 | 53.7 0.6 | 100 0 | 53.8 0.6 | 0.5 0.4 | NNE | 33 | 1.5 0.7 | 0.00 | 0.00 | 54.9 1.7 | 43.2 0.6 |
| Graton-South (Mill Station Rd) | 5/21/26 | 0730 | 49.0 0.3 | 97 2 | 48.3 0.2 | 0.0 0.0 | N | 0 | 0.0 0.0 | 0.00 | 0.00 | 51.4 0.9 | 42.0 1.7 |
| Occidental (Horseshoe Bend) | 5/21/26 | 0730 | 61.0 2.4 | 67 22 | 49.8 8.1 | - | - | - | 0.00 | 0.00 | 62.6 1.7 | 49.2 3.8 |
| Sexton Valley (Jacqueline's Blk) | 5/21/26 | 0730 | 53.8 2.9 | 99 1 | 53.5 3.1 | 0.0 0.1 | NE | 41 | 0.4 0.5 | 0.00 | 0.00 | 54.6 2.7 | 43.7 0.8 |
| Sebastopol Hills (Burnside Rd) | 5/21/26 | 0730 | 53.5 1.7 | 90 17 | 50.6 3.9 | 0.1 0.1 | NNW | 337 | 1.0 0.8 | 0.00 | 0.00 | 53.9 6.9 | 49.7 3.7 |
| Pleasant Hill | 5/21/26 | 0730 | 53.8 0.0 | 96 22 | 52.6 6.9 | 0.9 0.0 | NNW | 336 | 2.3 0.0 | 0.00 | 0.00 | 54.4 1.6 | 43.7 0.9 |
| Seaview/Fort Ross (Hirsch) | 5/21/26 | 0730 | 71.1 1.2 | 29 2 | 37.6 1.0 | 0.2 0.2 | NE | 56 | 1.1 1.1 | 0.00 | 0.00 | 72.1 1.8 | 64.2 2.0 |
| Max | 71.1 | 100 | 53.8 | 1.2 | - | 2.6 | 0.00 | 0.00 | 72.1 | 64.2 | ||
| Avg | 53.9 | 84 | 46.3 | 0.2 | - | 1.0 | 0.00 | - | - | - | ||
| Min | 48.6 | 0 | -66.9 | 0.0 | - | 0.0 | 0.00 | 0.00 | 51.3 | 41.2 |
| Station | Date | Time | Temp (°F) | RH (%) | Dew Pt (°F) | Wind Spd (mph) | Wind Dir (°) | Wind Gust (mph) | Latest Rain (In) | Daily Rain (In) | Daily Min Temp (°F) | Daily Max Temp (°F) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Upper Rincon Valley | 5/21/26 | 0730 | 54.6 2.6 | 71 9 | 45.3 1.0 | 2.2 0.0 | N | 8 | 3.1 0.2 | 0.00 | 0.00 | 52.9 1.8 | 59.4 2.0 |
| Lower Bennett Valley | 5/21/26 | 0730 | 52.3 0.1 | 87 1 | 48.5 0.1 | 0.4 0.4 | NNW | 334 | 1.0 1.0 | 0.00 | 0.00 | 41.0 1.4 | 54.2 0.0 |
| Kenwood (Wildwood) | 5/21/26 | 0730 | 53.2 1.0 | 84 0 | 48.3 0.9 | 0.6 0.0 | NNE | 21 | 1.0 0.7 | 0.00 | 0.00 | 44.2 0.9 | 54.7 2.8 |
| Crane Creek (Ranch 62) | 5/21/26 | 0730 | 54.8 0.3 | 77 3 | 47.9 0.8 | 0.3 0.3 | SW | 224 | 1.4 1.4 | 0.00 | 0.00 | 45.1 0.9 | 55.2 0.5 |
| Rohnert Park-West (Stony Point) | 5/21/26 | 0730 | 52.8 0.6 | 97 2 | 51.9 1.3 | 0.0 0.0 | N | 0 | 0.0 0.0 | 0.00 | 0.00 | 41.8 0.7 | 53.0 0.1 |
| Rice-Spivak Vineyard | 5/21/26 | 0730 | 48.5 1.1 | - | - | - | - | - | - | - | 35.0 1.5 | 50.4 0.8 |
| Cartograph Wines Base | 5/21/26 | 0730 | 52.7 1.5 | 94 9 | 51.0 1.3 | 0.4 0.1 | NNW | 331 | 1.3 0.1 | 0.00 | 0.00 | 46.5 2.3 | 52.7 1.6 |
| Cartograph Wines Remote | 5/21/26 | 0730 | 56.4 2.7 | - | - | - | - | - | - | - | 44.0 1.2 | 56.4 2.7 |
| Penngrove (Asellus) | 5/21/26 | 0730 | 56.9 6.1 | 77 10 | 49.7 2.5 | 0.3 0.1 | WNW | 292 | 1.9 0.5 | 0.00 | 0.00 | 40.6 1.5 | 58.4 6.4 |
| Sonoma Valley (Bedrock) | 5/21/26 | 0730 | 53.2 1.1 | 76 3 | 45.7 2.1 | - | - | - | 0.00 | 0.00 | 43.4 1.0 | 54.8 1.1 |
| Sonoma-West (Arnold) | 5/21/26 | 0730 | 56.0 0.1 | 71 4 | 47.0 1.3 | 1.0 0.8 | NNW | 343 | 2.0 0.9 | 0.00 | 0.00 | 43.1 0.9 | 56.0 0.1 |
| Sonoma Valley HS | 5/21/26 | 0730 | 54.3 0.7 | 88 5 | 50.8 2.1 | 0.2 0.2 | WSW | 256 | 1.5 1.5 | 0.00 | 0.00 | 46.2 0.7 | 55.1 0.0 |
| Sonoma East (Bundschu01) | 5/21/26 | 0730 | 56.5 3.1 | 85 11 | 52.2 6.9 | 0.0 0.0 | N | 0 | 0.0 0.0 | 0.00 | 0.00 | 44.3 0.8 | 58.2 3.2 |
| Sonoma-SE (Napoli) | 5/21/26 | 0730 | 52.1 0.7 | 93 5 | 50.3 0.8 | 0.0 0.0 | NNE | 12 | 1.1 1.1 | 0.00 | 0.00 | 44.1 0.8 | 53.0 0.8 |
| Schellville (Sasaki) | 2/7/26 | 1900 | 53.4 2.2 | 88 10 | 49.9 1.0 | 3.3 1.8 | SW | 225 | 5.8 4.0 | 0.00 | 0.00 | 47.0 0.8 | 62.8 8.4 |
| Petaluma (Ranch 10) | 5/21/26 | 0730 | 53.6 1.8 | 84 1 | 48.9 1.5 | 0.9 0.7 | NW | 324 | 3.2 1.3 | 0.00 | 0.00 | 41.4 1.2 | 55.0 1.6 |
| Carneros (Ranch 71) | 5/21/26 | 0730 | 61.4 1.3 | 68 6 | 50.6 3.9 | 0.1 0.0 | SSW | 207 | 0.9 0.5 | 0.00 | 0.00 | 52.9 2.7 | 62.8 0.4 |
| Ricci Vineyards (Carneros) | 5/21/26 | 0730 | 54.3 0.6 | 84 15 | 49.7 4.5 | 0.6 0.1 | NW | 305 | 1.4 0.0 | 0.00 | 0.00 | 43.9 1.2 | 55.4 0.3 |
| Carneros Upper (Ranch 81) | 5/21/26 | 0730 | 58.8 1.1 | 77 12 | 51.6 3.3 | 0.0 2.2 | N | 0 | 0.0 3.6 | - | - | 53.7 1.3 | 58.8 3.2 |
| Carneros Lower (Ranch 81) | 5/21/26 | 0730 | 57.9 4.1 | 88 20 | 54.2 3.0 | 0.1 0.1 | SSE | 164 | 0.7 0.7 | 0.00 | 0.00 | 47.8 0.2 | 57.9 4.1 |
| Max | 61.4 | 97 | 54.2 | 2.2 | - | 3.2 | 0.00 | 0.00 | 53.7 | 62.8 | ||
| Avg | 54.8 | 82 | 49.6 | 0.4 | - | 1.3 | 0.00 | - | - | - | ||
| Min | 48.5 | 68 | 45.3 | 0.0 | - | 0.0 | 0.00 | 0.00 | 35.0 | 50.4 |