| Station | Date | Daily Max Temp (°F) | Time of Max Temp | Daily Min Temp (°F) | Time of Min Temp | Dew Pt (°F) | RH (%) | 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) | 11/27/25 | 64.7 1.6 | 1354 | 43.4 2.4 | 0320 | 42.8 0.5 | 71 | 92 5 | 29 16 | 1.1 | 9.0 3.9 | 1533 | W | 270 | 0.00 | 9.78 | - | - | 0 0 |
| Rockpile Upper (Cooley) | 11/27/25 | 66.7 0.8 | 1200 | 49.9 0.7 | 2237 | 34.7 2.3 | 46 | 79 13 | 20 8 | 5.5 | 24.6 11.8 | 1514 | NW | 324 | 0.00 | 10.06 | 0.089 0.011 | 268 28 | 0 0 |
| Cloverdale-East (Ranch 83) | 11/27/25 | 61.4 5.0 | 1419 | 32.9 0.9 | 0255 | -1.8 15.8 | - | - | - | 0.9 | 7.1 5.7 | 1342 | S | 188 | 0.00 | 7.67 | 0.047 0.008 | 223 27 | 0 0 |
| Cloverdale-SE (Ranch 38) | 11/27/25 | 59.7 5.2 | 1418 | 37.1 0.3 | 0800 | 43.0 0.1 | 89 | 98 1 | 58 6 | 2.6 | 10.8 3.7 | 1526 | WSW | 258 | 0.00 | 8.24 | 0.044 0.011 | 221 29 | 0 0 |
| Geyserville-North (Hoffman) | 11/27/25 | 56.4 5.5 | 1424 | 35.6 0.8 | 0002 | 41.2 0.2 | 92 | 97 0 | 70 10 | 1.2 | 6.8 0.1 | 1502 | ESE | 119 | 0.00 | 0.00 | 0.033 0.012 | 160 65 | 0 0 |
| Geyserville (Ranch 3) | 11/27/25 | 56.0 5.4 | 1435 | 38.4 2.0 | 0019 | 42.6 0.0 | 96 | 100 0 | 70 10 | 1.0 | 7.2 0.1 | 1204 | E | 100 | 0.00 | 7.59 | 0.032 0.008 | 168 41 | 0 0 |
| Geyserville-East (Ranch 40) | 11/27/25 | 55.8 6.5 | 1429 | 39.2 1.2 | 0634 | 43.5 0.2 | 95 | 100 0 | 71 18 | 2.6 | 9.0 0.7 | 1507 | SSW | 198 | 0.00 | 7.86 | 0.029 0.016 | 165 64 | 0 0 |
| Geyserville-South (Nervo Station) | 11/27/25 | 56.3 6.3 | 1432 | 40.2 2.6 | 0652 | - | - | - | - | 0.7 | 6.1 0.7 | 1354 | SE | 131 | 0.01 | 6.02 | - | - | 0 0 |
| Jimtown-North (Piccolo Ranch 15) | 11/27/25 | 60.1 11.9 | 1441 | 38.1 1.5 | 2137 | 42.7 0.1 | 95 | 100 0 | 62 26 | 0.6 | 6.4 2.0 | 1319 | N | 8 | 0.01 | 7.75 | 0.025 0.005 | 131 26 | 0 0 |
| Jimtown-NE (Red Fan) | 8/26/25 | 88.9 0.8 | 1609 | 56.4 0.1 | 0146 | 53.1 1.9 | 64 | 94 2 | 20 8 | 3.5 | 13.4 0.5 | 1919 | S | 169 | 0.00 | 0.00 | 0.187 0.011 | 528 30 | 0 0 |
| HWY 128/Chalk Hill Rd (Landslide) | 11/27/25 | 56.2 7.7 | 1551 | 37.7 2.7 | 2113 | 42.5 0.9 | 95 | 100 0 | 70 17 | 1.2 | 6.9 1.1 | 1231 | SSE | 162 | 0.00 | 8.27 | 0.026 0.005 | 130 19 | 0 0 |
| N Chalk Hill Rd (Ranch 63) | 11/27/25 | 54.6 7.3 | 1513 | 37.9 1.2 | 2117 | 41.9 1.1 | 95 | 100 0 | 71 14 | 1.1 | 5.9 0.9 | 1238 | SSW | 198 | 0.01 | 8.30 | 0.024 0.005 | 128 15 | - |
| Knights Valley (Bavarian Lion) | 11/27/25 | 58.5 4.6 | 1314 | 39.0 2.6 | 1916 | 42.1 1.3 | 94 | 98 0 | 62 11 | 1.2 | 5.7 1.9 | 1447 | NNW | 329 | 0.01 | 8.52 | 0.035 0.005 | 181 23 | - |
| Upper Dry Creek Valley | 11/27/25 | 59.1 4.4 | 1406 | 37.8 2.1 | 0001 | 41.8 0.4 | 90 | 98 0 | 59 11 | 1.2 | 8.2 1.4 | 1426 | SE | 146 | 0.00 | 8.13 | 0.045 0.008 | 216 26 | - |
| Lower Dry Creek Valley | 11/27/25 | 55.8 6.8 | 1238 | 38.9 2.8 | 2151 | 42.8 0.4 | 93 | 100 0 | 63 13 | 1.7 | 8.9 1.1 | 1333 | ESE | 121 | 0.00 | 8.42 | 0.040 0.007 | 194 25 | 0 0 |
| Max | 66.7 | - | 49.9 | - | 43.5 | 96 | 100 | 71 | 5.5 | 24.6 | - | - | 0.01 | 10.06 | 0.089 | 268 | - | |
| Avg | - | - | - | - | 38.5 | 88 | - | - | 1.6 | - | - | - | - | - | - | - | - | |
| Min | 54.6 | - | 32.9 | - | -1.8 | 46 | 79 | 20 | 0.6 | 5.7 | - | - | 0.00 | 0.00 | 0.024 | 128 | - |
| Station | Date | Daily Max Temp (°F) | Time of Max Temp | Daily Min Temp (°F) | Time of Min Temp | Dew Pt (°F) | RH (%) | 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) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Healdsburg-South (Sodini) | 11/27/25 | 54.8 8.0 | 1554 | 37.2 0.4 | 0025 | - | - | 100 0 | 69 14 | 0.5 | 8.8 2.2 | 1235 | 0.00 | 2.29 | - | - | 0 |
| Windsor-NW (Ranch 8) | 11/27/25 | 57.1 9.4 | 1429 | 39.2 0.4 | 0024 | 41.3 1.1 | 84 | 87 0 | 72 16 | 0.9 | 7.1 1.4 | 1251 | 0.01 | 8.68 | 0.034 0.004 | 180 6 | - |
| Windsor-East (Ranch 16) | 11/27/25 | 56.7 7.4 | 1531 | 36.1 0.9 | 0001 | 42.9 0.9 | 95 | 100 0 | 68 16 | 0.9 | 6.2 0.8 | 1247 | 0.00 | 6.47 | 0.025 0.009 | 134 30 | 0 |
| Mark West-North (Ranch 14) | 11/27/25 | 56.0 6.9 | 1448 | 38.4 2.0 | 0001 | 42.6 1.4 | 94 | 98 0 | 67 13 | 0.6 | 5.7 0.5 | 1252 | 0.01 | 7.48 | 0.002 0.000 | 0 0 | 0 |
| Windsor-SE (Silk Rd) | 11/27/25 | 57.2 5.3 | 1556 | 35.7 0.0 | 0001 | 42.5 1.2 | 94 | 100 0 | 67 9 | 0.9 | 5.6 0.2 | 1221 | 0.00 | 1.81 | 0.023 0.010 | 124 39 | 0 |
| Fulton-NW (Ranch 5) | 11/27/25 | 55.1 4.6 | 1553 | 38.7 2.4 | 0001 | -5.6 6.3 | 34 | 100 0 | 3 0 | 0.8 | 6.6 0.7 | 1251 | 0.00 | 7.55 | 0.028 0.010 | 101 29 | 0 |
| Windsor-South (Laughlin Rd) | 11/27/25 | 55.3 6.7 | 1433 | 36.6 0.1 | 0001 | -2.1 8.8 | 50 | 100 0 | 0 0 | - | - | - | 0.01 | 7.05 | - | - | - |
| Fulton-SE (Barnes Rd) | 11/27/25 | 55.7 3.6 | 1600 | 41.2 3.2 | 2104 | 43.4 1.3 | 93 | 98 0 | 72 6 | 1.0 | 6.6 0.5 | 1233 | 0.00 | 7.07 | - | - | - |
| Fulton-SW (Ranch 21) | 11/27/25 | 54.2 5.7 | 1555 | 39.4 2.2 | 0001 | -30.9 10.3 | 28 | 100 0 | 0 0 | 1.0 | 6.6 0.4 | 1241 | 0.01 | 7.40 | 0.034 0.013 | 142 34 | - |
| Santa Rosa-NW (Goldfields) | 11/27/25 | 57.7 5.1 | 1438 | 39.9 2.6 | 0001 | 44.0 1.1 | 95 | 100 0 | 67 10 | 1.2 | 8.1 0.8 | 0607 | 0.01 | 7.71 | 0.020 0.006 | 99 25 | - |
| Goldfields Remote | 11/27/25 | 55.2 5.0 | 1544 | 39.5 2.3 | 0001 | - | - | - | - | - | - | - | - | - | - | - | 0 |
| NW Santa Rosa (Piner Road) | 11/27/25 | 54.4 5.3 | 1500 | 38.6 2.2 | 0001 | 44.5 1.3 | 98 | 100 0 | 81 10 | 0.9 | 4.8 0.7 | 0609 | 0.00 | 5.98 | - | - | - |
| River Rd South (Denner Ranch) | 11/27/25 | 57.9 4.0 | 1459 | 37.4 0.7 | 0001 | 44.0 1.5 | 96 | 100 0 | 67 6 | 1.7 | 8.1 2.2 | 2027 | - | - | - | - | - |
| West Santa Rosa (LOV Vineyard) | 11/27/25 | 56.9 4.9 | 1557 | 38.4 0.9 | 0001 | 43.7 1.5 | 94 | 100 0 | 69 8 | 0.9 | 5.0 1.1 | 1339 | 0.01 | 8.09 | 0.002 0.001 | 0 0 | 0 |
| Guerneville Rd (Prokopakis) | 11/27/25 | 55.5 6.5 | 1444 | 38.4 0.7 | 0001 | 44.1 1.4 | 94 | 100 0 | 71 11 | - | - | - | 0.01 | 7.12 | - | - | - |
| Guerneville Rd West (Balletto) | 11/27/25 | 55.2 4.6 | 1602 | 36.9 2.1 | 0001 | 43.9 0.9 | 96 | 100 0 | 78 8 | 1.1 | 6.4 1.0 | 1336 | 0.01 | 5.80 | - | - | - |
| Sanchietti Ranch | 11/27/25 | 55.7 3.7 | 1555 | 41.1 3.6 | 0001 | 45.7 1.1 | - | 100 0 | 82 5 | 1.6 | 7.7 0.4 | 1619 | 0.00 | 6.96 | - | - | - |
| Occidental Rd (Sebastopol) | 11/27/25 | 56.2 4.5 | 1442 | 40.5 4.1 | 0001 | 45.5 0.9 | 100 | 100 0 | 77 5 | 1.0 | 8.6 2.0 | 1358 | 0.00 | 5.78 | - | - | - |
| Lower Westside Rd (Ranch 12) | 11/27/25 | 57.0 6.7 | 1435 | 36.7 0.1 | 0002 | 43.3 0.7 | 94 | 100 0 | 64 12 | 1.0 | 6.2 3.6 | 1105 | 0.00 | 8.39 | - | - | 0 |
| Guerneville (Laughlin Rd) | 11/27/25 | 53.2 3.7 | 1411 | 42.6 0.6 | 1749 | 44.0 1.5 | 95 | 98 0 | 76 7 | 0.9 | 5.0 0.5 | 0718 | 0.00 | 9.24 | - | - | - |
| Korbel (Winery) | 11/27/25 | 54.1 5.4 | 1505 | 42.9 0.6 | 0659 | 44.5 1.1 | 96 | 100 0 | 75 10 | 1.0 | 6.5 1.9 | 0628 | 0.00 | 9.41 | - | - | - |
| Forestville (Shone Farms) | 11/27/25 | 55.9 6.8 | 1457 | 38.5 1.1 | 0009 | 43.5 1.1 | 93 | 98 0 | 69 8 | 1.4 | 6.5 0.9 | 2330 | 0.01 | 9.05 | 0.028 0.011 | 142 49 | 0 |
| Forestville-NE (Ranch 30) | 11/27/25 | 57.3 7.2 | 1430 | 38.4 0.3 | 0008 | 43.3 1.2 | 96 | 100 0 | 71 11 | 1.4 | 6.4 3.1 | 0639 | 0.01 | 8.54 | 0.027 0.011 | 144 47 | - |
| Green Valley Vineyard | 11/27/25 | 56.0 4.4 | 1438 | 39.6 0.6 | 0001 | 43.6 1.2 | 95 | 99 0 | 67 4 | 1.1 | 5.3 1.3 | 0434 | 0.01 | 9.80 | 0.017 0.015 | 82 72 | - |
| Green Valley (Sanchietti) | 11/27/25 | 57.9 5.1 | 1454 | 38.2 1.5 | 0001 | - | - | - | - | - | - | - | - | - | - | - | - |
| Keefer Ranch (Green Valley) | 11/27/25 | 55.9 5.5 | 1515 | 37.2 1.1 | 0001 | 44.2 0.8 | 96 | 100 0 | 77 10 | - | - | - | 0.01 | 8.53 | - | - | - |
| Graton-South (Mill Station Rd) | 11/27/25 | 57.0 4.7 | 1521 | 38.3 2.3 | 0001 | 43.9 1.0 | 94 | 100 0 | 70 9 | 0.1 | 4.0 0.2 | 2320 | 0.00 | 8.31 | - | - | 0 |
| Occidental (Horseshoe Bend) | 11/27/25 | 55.9 2.9 | 1516 | 41.5 1.1 | 0649 | 44.1 1.6 | - | 100 0 | 75 7 | - | - | - | 0.00 | 8.37 | - | - | - |
| Sexton Valley (Jacqueline's Blk) | 11/27/25 | 56.7 2.1 | 1527 | 39.1 2.1 | 1923 | 44.2 0.8 | 95 | 100 0 | 75 4 | 1.4 | 6.7 1.3 | 1042 | 0.00 | 6.94 | - | - | - |
| Sebastopol Hills (Burnside Rd) | 11/27/25 | 55.3 3.3 | 1447 | 42.7 0.7 | 0806 | 44.7 1.6 | 97 | 100 0 | 75 2 | 0.3 | 6.4 0.0 | 1247 | 0.00 | 7.39 | - | - | - |
| Seaview/Fort Ross (Hirsch) | 11/27/25 | 68.9 2.5 | 1145 | 47.5 3.1 | 0314 | 38.4 0.9 | 55 | 82 7 | 12 4 | 2.0 | 9.6 2.3 | 2353 | 0.00 | 13.06 | 0.062 0.007 | 250 20 | - |
| Max | 68.9 | - | 47.5 | - | 45.7 | 100 | 100 | 82 | 2.0 | 9.6 | - | 0.01 | 13.06 | 0.062 | 250 | - | |
| Avg | - | - | - | - | 37.5 | 87 | - | - | 1.0 | - | - | - | - | - | - | - | |
| Min | 53.2 | - | 35.7 | - | -30.9 | 28 | 82 | 0 | 0.1 | 4.0 | - | 0.00 | 1.81 | 0.002 | 0 | - |
| Station | Date | Daily Max Temp (°F) | Time of Max Temp | Daily Min Temp (°F) | Time of Min Temp | Dew Pt (°F) | 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 | 11/27/25 | 56.4 5.4 | 1426 | 36.8 0.5 | 0524 | 41.7 2.1 | 98 0 | 69 8 | 1.0 0.2 | 9.4 4.1 | 0424 | NE | 53 | 0.00 | 5.37 | 0.035 0.012 | 187 42 | - |
| Lower Bennett Valley | 11/27/25 | 57.4 3.2 | 1412 | 35.8 1.6 | 1917 | 42.4 1.2 | 100 0 | 69 1 | 1.3 0.1 | 8.0 1.0 | 1355 | SW | 215 | 0.00 | 6.48 | 0.030 0.011 | 157 41 | 0 0 |
| Kenwood (Wildwood) | 11/27/25 | 54.8 5.5 | 1420 | 41.0 2.7 | 1829 | 43.6 1.4 | 100 0 | 72 9 | 1.5 0.0 | 7.7 0.5 | 1308 | WSW | 255 | 0.01 | 6.81 | 0.027 0.020 | 135 86 | - |
| Sonoma Valley (Bedrock) | 11/27/25 | 54.7 2.4 | 1457 | 41.1 3.3 | 0701 | 42.2 1.2 | 98 1 | 67 2 | - | - | - | - | 0.00 | 6.71 | - | - | - |
| Sonoma-West (Arnold) | 11/27/25 | 56.0 2.8 | 1500 | 41.4 3.6 | 1856 | 43.5 0.4 | 100 0 | 66 3 | 1.4 0.1 | 7.5 0.9 | 1335 | SSE | 148 | 0.00 | 4.40 | 0.038 0.024 | 184 107 | - |
| Sonoma Valley HS | 11/27/25 | 54.9 2.7 | 1421 | 40.9 0.9 | 1918 | 44.4 0.7 | 100 0 | 73 1 | 1.3 0.4 | 6.1 0.0 | 1411 | SE | 127 | 0.01 | 4.60 | 0.036 0.013 | 189 58 | - |
| Sonoma East (Bundschu01) | 11/27/25 | 55.8 3.1 | 1459 | 37.6 0.6 | 1917 | 42.7 0.2 | 97 1 | 65 3 | 2.0 0.5 | 7.9 2.6 | 1353 | SSE | 150 | 0.00 | 0.13 | 0.035 0.020 | 176 92 | - |
| Schellville (Sasaki) | 11/27/25 | 55.2 2.8 | 1205 | 38.6 0.3 | 2027 | 43.0 0.2 | 96 2 | 70 5 | 1.4 0.0 | 10.5 0.7 | 1350 | NNE | 22 | 0.00 | 4.40 | - | - | 0 0 |
| Sonoma-SE (Napoli) | 11/27/25 | 56.5 2.4 | 1458 | 38.3 0.8 | 1948 | 42.8 0.1 | 96 0 | 64 2 | 1.3 0.1 | 8.8 2.0 | 1349 | SSE | 163 | 0.00 | 4.46 | - | - | 0 0 |
| Ricci Vineyards (Carneros) | 11/27/25 | 54.1 3.3 | 1210 | 37.6 1.4 | 1925 | 42.8 0.9 | 97 1 | 70 4 | 2.4 0.3 | 10.8 2.2 | 1212 | SE | 135 | 0.00 | 4.89 | 0.036 0.019 | 177 97 | - |
| Carneros (Ranch 71) | 11/27/25 | 53.8 2.3 | 1433 | 40.8 0.5 | 0553 | 43.3 0.6 | 100 0 | 70 2 | 2.4 0.7 | 7.8 4.7 | 0231 | W | 268 | 0.00 | 4.47 | 0.031 0.021 | 165 103 | 0 0 |
| Carneros Upper (Ranch 81) | 11/27/25 | 55.4 2.7 | 1426 | 40.8 2.0 | 0539 | 33.7 27.0 | - | - | 2.6 1.3 | 9.6 3.1 | 1350 | SE | 133 | - | - | - | - | - |
| Carneros Lower (Ranch 81) | 11/27/25 | 54.3 2.2 | 1228 | 37.2 4.5 | 1915 | 43.0 2.1 | 100 0 | 72 3 | 1.5 0.0 | 9.1 1.5 | 1203 | SSE | 163 | 0.00 | 4.76 | 0.028 0.016 | 127 77 | - |
| Rohnert Park-West (Stony Point) | 11/27/25 | 55.8 3.6 | 1433 | 42.9 4.5 | 2145 | 44.9 1.3 | 99 0 | 75 4 | 3.2 1.3 | 11.5 1.3 | 0649 | E | 80 | 0.00 | 1.55 | - | - | - |
| Cartograph Wines Base | 11/27/25 | 55.3 3.4 | 1442 | 42.6 2.0 | 0723 | 45.3 1.9 | 100 0 | 80 5 | 3.4 0.1 | 11.8 0.6 | 1915 | ESE | 117 | 0.00 | 6.66 | 0.031 0.011 | 168 58 | - |
| Cartograph Wines Remote | 11/27/25 | 52.9 3.3 | 1252 | 42.0 1.6 | 1742 | - | - | - | - | - | - | - | - | - | - | - | - |
| Rice-Spivak Vineyard | 11/27/25 | 57.4 3.9 | 1436 | 41.5 1.1 | 1735 | - | - | - | - | - | - | - | - | - | - | - | - |
| Penngrove (Asellus) | 11/27/25 | 55.2 3.9 | 1353 | 38.7 1.5 | 2151 | 43.2 1.3 | 97 1 | 69 6 | 4.4 1.9 | 14.2 0.8 | 0708 | ESE | 113 | 0.00 | 0.10 | - | - | 0 0 |
| Roger's Creek (Ranch 50) | 11/27/25 | 53.4 1.8 | 1425 | 41.1 1.0 | 0807 | 43.1 1.4 | 100 0 | 73 3 | 3.8 0.7 | 11.4 2.5 | 1211 | ESE | 111 | 0.00 | 5.78 | 0.026 0.018 | 150 91 | 0 0 |
| Petaluma (Ranch 10) | 11/27/25 | 56.2 4.4 | 1432 | 40.5 4.8 | 2113 | 43.7 0.8 | 96 4 | 69 8 | 2.0 0.4 | 6.7 1.0 | 1417 | SSW | 213 | 0.00 | 4.29 | 0.031 0.016 | 148 70 | 0 0 |
| Max | 57.4 | - | 42.9 | - | 45.3 | 100 | 80 | 4.4 | 14.2 | - | - | 0.01 | 6.81 | 0.038 | 189 | - | |
| Avg | - | - | - | - | 42.7 | - | - | 2.2 | - | - | - | - | - | - | - | - | |
| Min | 52.9 | - | 35.8 | - | 33.7 | 96 | 64 | 1.0 | 6.1 | - | - | 0.00 | 0.10 | 0.026 | 127 | - |