| 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) | 11/20/25 | 54.4 0.7 | 1150 | 43.6 2.7 | 2351 | 44.4 1.8 | 87 | 100 0 | 63 7 | 3.8 | 16.0 4.0 | 1227 | WNW | 283 | 0.12 | 9.78 | - | - | 0 0 |
| Rockpile Upper (Cooley) | 11/20/25 | 51.7 0.5 | 1203 | 41.5 2.1 | 2254 | 43.1 1.7 | 94 | 100 0 | 70 7 | 7.1 | 19.1 1.1 | 1731 | NW | 312 | 0.12 | 10.06 | 0.042 0.020 | 237 151 | 0 0 |
| Cloverdale-East (Ranch 83) | 11/20/25 | 60.9 3.0 | 1300 | 42.4 7.2 | 2347 | 15.5 32.1 | - | - | - | 1.8 | 14.8 4.7 | 1143 | NW | 326 | 0.23 | 7.67 | 0.055 0.025 | 231 140 | 0 0 |
| Cloverdale-SE (Ranch 38) | 11/20/25 | 58.9 0.6 | 1305 | 46.2 2.8 | 2213 | 46.4 1.6 | 85 | 99 3 | 55 15 | 5.7 | 22.4 10.5 | 1243 | S | 178 | 0.18 | 8.24 | 0.055 0.025 | 230 139 | 0 0 |
| Geyserville-North (Hoffman) | 11/20/25 | 62.0 2.5 | 1321 | 45.5 1.7 | 2349 | 46.6 1.5 | 82 | 96 1 | 49 11 | 2.9 | 14.6 5.0 | 1317 | NNW | 328 | 0.00 | 0.00 | 0.060 0.027 | 231 127 | 0 0 |
| Geyserville (Ranch 3) | 11/20/25 | 60.7 1.5 | 1321 | 46.3 2.6 | 2359 | 47.0 1.4 | 84 | 100 0 | 48 5 | 3.4 | 15.0 5.3 | 1022 | WNW | 292 | 0.18 | 7.59 | 0.058 0.026 | 234 128 | 0 0 |
| Geyserville-East (Ranch 40) | 11/20/25 | 61.7 0.9 | 1352 | 44.6 2.7 | 2356 | 46.5 1.2 | 86 | 99 1 | 54 8 | 4.4 | 17.9 1.5 | 1219 | WNW | 297 | 0.15 | 7.84 | 0.057 0.018 | 247 110 | 0 0 |
| Geyserville-South (Nervo Station) | 11/20/25 | 61.2 0.6 | 1326 | 45.9 2.3 | 2357 | - | - | - | - | 3.6 | 17.2 7.4 | 1154 | WNW | 291 | 0.14 | 5.98 | - | - | 0 0 |
| Jimtown-North (Piccolo Ranch 15) | 11/20/25 | 62.1 2.3 | 1349 | 41.5 3.8 | 2352 | 46.2 0.9 | 83 | 100 0 | 45 13 | 2.0 | 15.8 7.9 | 1235 | W | 267 | 0.15 | 7.71 | 0.051 0.024 | 199 101 | 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) | 11/20/25 | 63.4 2.6 | 1348 | 39.4 3.6 | 2312 | 46.4 1.8 | 85 | 99 2 | 46 13 | 1.8 | 13.6 5.3 | 1136 | WNW | 293 | 0.15 | 8.27 | 0.052 0.026 | 200 111 | 0 0 |
| N Chalk Hill Rd (Ranch 63) | 11/20/25 | 62.3 1.5 | 1351 | 39.3 2.1 | 2340 | 46.1 1.4 | 85 | 100 0 | 47 10 | 2.2 | 14.4 6.5 | 1455 | NW | 318 | 0.14 | 8.27 | 0.053 0.026 | 208 112 | - |
| Knights Valley (Bavarian Lion) | 11/20/25 | 62.6 3.6 | 1407 | 38.4 6.5 | 2345 | 45.4 1.5 | 85 | 97 2 | 45 13 | 2.0 | 14.1 5.4 | 1500 | NW | 318 | 0.17 | 8.48 | 0.057 0.028 | 237 127 | - |
| Upper Dry Creek Valley | 11/20/25 | 60.6 0.7 | 1321 | 43.8 5.7 | 2255 | 46.6 1.7 | 83 | 97 1 | 51 7 | 2.4 | 14.8 5.7 | 1400 | NW | 306 | 0.16 | 8.13 | 0.058 0.024 | 233 112 | - |
| Lower Dry Creek Valley | 11/20/25 | 65.7 5.2 | 1257 | 44.4 2.7 | 2359 | 47.2 1.9 | 83 | 100 0 | 42 17 | 4.5 | 15.9 5.7 | 1108 | NW | 313 | 0.13 | 8.40 | 0.061 0.025 | 225 102 | 0 0 |
| Max | 65.7 | - | 46.3 | - | 47.2 | 94 | 100 | 70 | 7.1 | 22.4 | - | - | 0.23 | 10.06 | 0.061 | 247 | - | |
| Avg | - | - | - | - | 43.7 | 85 | - | - | 3.4 | - | - | - | - | - | - | - | - | |
| Min | 51.7 | - | 38.4 | - | 15.5 | 82 | 96 | 42 | 1.8 | 13.6 | - | - | 0.00 | 0.00 | 0.042 | 199 | - |
| 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) | 11/20/25 | 62.0 0.7 | 1350 | 46.1 0.8 | 2353 | - | - | 96 2 | 49 7 | 2.7 | 16.1 9.5 | 1224 | 0.08 | 2.28 | - | - | 0 |
| Windsor-NW (Ranch 8) | 11/20/25 | 62.5 1.0 | 1433 | 45.1 2.1 | 2343 | 46.7 1.4 | 79 | 86 1 | 56 12 | 2.4 | 15.3 5.5 | 1424 | 0.07 | 8.65 | 0.056 0.025 | 232 119 | - |
| Windsor-East (Ranch 16) | 11/20/25 | 63.0 1.9 | 1353 | 42.1 2.2 | 2339 | 46.8 1.1 | 83 | 100 5 | 48 14 | 2.0 | 13.3 3.1 | 1104 | 0.09 | 6.46 | 0.056 0.028 | 232 134 | 0 |
| Mark West-North (Ranch 14) | 11/20/25 | 62.6 0.4 | 1445 | 41.8 4.3 | 2359 | 46.2 1.6 | 81 | 97 5 | 46 10 | 0.9 | 6.4 1.1 | 1134 | 0.07 | 7.47 | 0.010 0.005 | 0 0 | 0 |
| Windsor-SE (Silk Rd) | 11/20/25 | 62.2 1.8 | 1512 | 38.8 5.3 | 0001 | 46.1 2.6 | 84 | 98 0 | 47 14 | 1.5 | 13.9 7.3 | 1251 | 0.05 | 1.80 | 0.056 0.023 | 235 109 | 0 |
| Fulton-NW (Ranch 5) | 11/20/25 | 60.7 0.7 | 1437 | 40.5 5.7 | 2356 | 46.7 2.0 | 82 | 100 5 | 50 13 | 2.1 | 13.9 6.4 | 1120 | 0.07 | 7.54 | 0.055 0.026 | 223 112 | 0 |
| Windsor-South (Laughlin Rd) | 11/20/25 | 63.6 3.6 | 1452 | 43.4 3.1 | 2359 | 46.2 2.0 | 81 | 100 8 | 46 16 | - | - | - | 0.06 | 7.03 | - | - | - |
| Fulton-SE (Barnes Rd) | 11/20/25 | 61.6 2.6 | 1349 | 42.0 4.2 | 2339 | 47.2 1.3 | 84 | 97 6 | 53 11 | 1.5 | 14.6 5.4 | 1144 | 0.08 | 7.06 | - | - | - |
| Fulton-SW (Ranch 21) | 11/20/25 | 61.2 2.7 | 1353 | 40.4 6.7 | 2348 | 18.3 31.6 | 59 | 100 7 | 0 82 | 1.9 | 13.6 3.1 | 1115 | 0.07 | 7.37 | 0.058 0.034 | 243 79 | - |
| Santa Rosa-NW (Goldfields) | 11/20/25 | 64.5 3.3 | 1347 | 40.8 7.0 | 2324 | 46.5 2.0 | 82 | 100 6 | 44 15 | 2.2 | 15.3 7.0 | 1206 | 0.06 | 7.68 | 0.054 0.023 | 199 92 | - |
| Goldfields Remote | 11/20/25 | 62.3 1.1 | 1400 | 39.7 7.8 | 2354 | - | - | - | - | - | - | - | - | - | - | - | 0 |
| NW Santa Rosa (Piner Road) | 11/20/25 | 61.5 3.0 | 1407 | 40.3 7.7 | 2344 | 48.4 3.0 | 91 | 100 0 | 55 17 | 0.7 | 10.2 1.9 | 1203 | 1.74 | 5.96 | - | - | - |
| River Rd South (Denner Ranch) | 11/20/25 | 63.4 3.1 | 1349 | 41.2 5.9 | 2334 | 46.8 2.4 | 85 | 99 1 | 45 19 | 2.1 | 14.9 3.5 | 1214 | - | - | - | - | - |
| West Santa Rosa (LOV Vineyard) | 11/20/25 | 61.8 2.6 | 1346 | 41.2 6.6 | 2359 | 46.4 2.3 | 84 | 97 3 | 44 20 | 1.3 | 11.1 3.5 | 1134 | 0.04 | 8.01 | 0.014 0.007 | 0 0 | 0 |
| Guerneville Rd (Prokopakis) | 11/20/25 | 63.0 1.3 | 1341 | 41.9 6.8 | 2340 | 47.2 2.3 | 84 | 99 2 | 45 10 | - | - | - | 0.05 | 7.09 | - | - | - |
| Guerneville Rd West (Balletto) | 11/20/25 | 61.6 2.6 | 1319 | 39.1 8.7 | 2359 | 47.0 3.0 | 87 | 99 2 | 53 17 | 1.5 | 12.0 4.2 | 1144 | 0.05 | 5.77 | - | - | - |
| Sanchietti Ranch | 11/20/25 | 62.0 2.3 | 1335 | 40.2 8.9 | 2357 | 48.5 2.8 | - | 100 3 | 57 18 | 1.7 | 14.3 4.0 | 1053 | 0.06 | 6.95 | - | - | - |
| Occidental Rd (Sebastopol) | 11/20/25 | 62.1 1.4 | 1332 | 39.9 8.0 | 2334 | 51.0 2.4 | 99 | 100 0 | 79 21 | 1.6 | 17.1 9.2 | 1139 | 0.03 | 5.76 | - | - | - |
| Lower Westside Rd (Ranch 12) | 11/20/25 | 63.0 3.5 | 1346 | 40.7 5.1 | 2334 | 46.3 2.4 | 83 | 100 4 | 44 18 | 1.2 | 13.0 6.8 | 1226 | 0.04 | 8.38 | - | - | 0 |
| Guerneville (Laughlin Rd) | 11/20/25 | 62.3 0.9 | 1224 | 41.9 6.0 | 2015 | 46.5 3.4 | 86 | 98 0 | 47 14 | 1.0 | 12.9 6.4 | 1125 | 0.07 | 9.21 | - | - | - |
| Korbel (Winery) | 11/20/25 | 62.4 2.3 | 1315 | 44.0 4.2 | 2157 | 47.1 2.8 | 86 | 98 1 | 44 18 | 0.4 | 15.0 10.5 | 1152 | 0.06 | 9.39 | - | - | - |
| Forestville (Shone Farms) | 11/20/25 | 62.6 3.4 | 1331 | 42.3 4.2 | 2354 | 46.6 2.3 | 83 | 98 2 | 46 22 | 1.8 | 14.4 4.9 | 1303 | 0.04 | 9.01 | 0.058 0.029 | 228 124 | 0 |
| Forestville-NE (Ranch 30) | 11/20/25 | 62.5 3.0 | 1319 | 40.4 5.0 | 2322 | 47.2 2.5 | 87 | 99 1 | 52 19 | 2.1 | 17.1 9.9 | 1210 | 0.04 | 8.51 | 0.058 0.031 | 241 130 | - |
| Green Valley Vineyard | 11/20/25 | 61.7 3.3 | 1322 | 41.9 5.4 | 2353 | 46.5 2.4 | 85 | 98 1 | 46 21 | 1.8 | 11.4 3.7 | 1045 | 0.08 | 9.76 | 0.017 0.000 | 27 31 | - |
| Green Valley (Sanchietti) | 11/20/25 | 63.7 3.0 | 1328 | 39.2 7.0 | 2357 | - | - | - | - | - | - | - | - | - | - | - | - |
| Keefer Ranch (Green Valley) | 11/20/25 | 61.9 3.9 | 1330 | 39.0 8.6 | 2358 | 47.5 3.0 | 89 | 99 0 | 54 21 | - | - | - | 0.04 | 8.51 | - | - | - |
| Graton-South (Mill Station Rd) | 11/20/25 | 61.9 2.5 | 1324 | 38.4 9.6 | 2321 | 46.3 3.4 | 86 | 99 1 | 46 21 | 0.4 | 7.1 3.0 | 1149 | 0.03 | 8.29 | - | - | 0 |
| Occidental (Horseshoe Bend) | 11/20/25 | 58.9 2.9 | 1319 | 46.8 2.3 | 2216 | 46.4 1.9 | - | 100 4 | 54 20 | - | - | - | 0.03 | 8.35 | - | - | - |
| Sexton Valley (Jacqueline's Blk) | 11/20/25 | 61.1 2.5 | 1318 | 39.1 9.8 | 2347 | 47.0 3.4 | 88 | 98 0 | 53 19 | 1.0 | 9.9 2.5 | 1114 | 0.03 | 6.87 | - | - | - |
| Sebastopol Hills (Burnside Rd) | 11/20/25 | 60.2 2.7 | 1329 | 46.9 1.7 | 2340 | 47.4 2.2 | 87 | 100 3 | 55 21 | 1.8 | 12.4 5.3 | 1210 | 0.04 | 7.37 | - | - | - |
| Seaview/Fort Ross (Hirsch) | 11/20/25 | 51.7 0.4 | 1523 | 43.9 0.8 | 2025 | 43.8 1.9 | 91 | 97 0 | 74 9 | 3.7 | 16.2 0.9 | 1145 | 0.06 | 13.06 | 0.033 0.011 | 191 92 | - |
| Max | 64.5 | - | 46.9 | - | 51.0 | 99 | 100 | 79 | 3.7 | 17.1 | - | 1.74 | 13.06 | 0.058 | 243 | - | |
| Avg | - | - | - | - | 45.9 | 84 | - | - | 1.6 | - | - | - | - | - | - | - | |
| Min | 51.7 | - | 38.4 | - | 18.3 | 59 | 86 | 0 | 0.4 | 6.4 | - | 0.03 | 1.80 | 0.010 | 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 | 11/20/25 | 59.4 1.0 | 1438 | 43.3 0.0 | 2300 | 44.8 1.0 | 97 2 | 52 9 | 1.5 0.2 | 8.3 0.4 | 1547 | NW | 322 | 0.01 | 5.34 | 0.049 0.022 | 226 118 | - |
| Lower Bennett Valley | 11/20/25 | 61.2 2.3 | 1428 | 36.2 6.1 | 0001 | 45.9 2.0 | 100 0 | 52 14 | 1.6 0.2 | 10.5 0.4 | 1246 | NW | 304 | 0.10 | 6.45 | 0.045 0.015 | 200 93 | 0 0 |
| Kenwood (Wildwood) | 11/20/25 | 58.8 0.2 | 1409 | 40.8 2.1 | 2321 | 46.6 0.8 | 99 0 | 58 6 | 2.1 0.5 | 14.8 5.7 | 1033 | NNW | 339 | 0.10 | 6.78 | 0.040 0.004 | 156 15 | - |
| Sonoma Valley (Bedrock) | 11/20/25 | 60.8 2.5 | 1247 | 41.4 2.1 | 2353 | 45.3 0.6 | 97 1 | 51 9 | - | - | - | - | 0.09 | 6.70 | - | - | - |
| Sonoma-West (Arnold) | 11/20/25 | 62.3 1.2 | 1511 | 41.6 1.8 | 2335 | 47.1 0.8 | 100 0 | 50 12 | 2.0 0.3 | 10.3 1.2 | 1104 | NNW | 336 | 0.01 | 2.94 | 0.048 0.008 | 199 44 | - |
| Sonoma Valley HS | 11/20/25 | 62.4 2.0 | 1454 | 42.8 1.4 | 2356 | 49.5 0.3 | 100 0 | 58 5 | 1.0 0.3 | 7.5 0.1 | 1401 | NNW | 340 | 0.01 | 4.54 | 0.039 0.001 | 171 6 | - |
| Sonoma East (Bundschu01) | 11/20/25 | 62.4 2.3 | 1507 | 40.8 1.1 | 2353 | 46.9 0.7 | 96 0 | 52 9 | 1.8 0.3 | 11.6 1.1 | 1015 | NNE | 23 | 0.00 | 0.13 | 0.044 0.003 | 181 25 | - |
| Schellville (Sasaki) | 11/20/25 | 63.2 2.0 | 1421 | 42.1 1.8 | 2350 | 47.7 0.5 | 96 1 | 52 8 | 1.4 0.1 | 12.5 3.4 | 1532 | S | 177 | 0.12 | 4.40 | - | - | 0 0 |
| Sonoma-SE (Napoli) | 11/20/25 | 64.1 1.5 | 1503 | 41.5 1.0 | 2356 | 47.0 0.8 | 95 0 | 49 6 | 1.3 0.2 | 12.1 2.3 | 1536 | W | 280 | 0.18 | 4.44 | - | - | 0 0 |
| Ricci Vineyards (Carneros) | 11/20/25 | 62.5 1.8 | 1508 | 40.4 1.5 | 2337 | 47.1 0.7 | 97 0 | 52 7 | 2.2 0.2 | 11.2 0.8 | 1543 | WNW | 282 | 0.21 | 4.87 | 0.043 0.002 | 175 2 | - |
| Carneros (Ranch 71) | 11/20/25 | 61.5 2.2 | 1506 | 46.3 0.8 | 2359 | 47.4 0.5 | 99 6 | 52 8 | 2.8 0.5 | 15.8 5.7 | 1544 | W | 261 | 0.16 | 4.46 | 0.044 0.004 | 181 20 | 0 0 |
| Carneros Upper (Ranch 81) | 11/20/25 | 62.2 1.6 | 1515 | 47.6 0.1 | 2335 | 15.3 32.0 | - | - | 3.1 0.2 | 15.0 4.1 | 1549 | W | 262 | - | - | - | - | - |
| Carneros Lower (Ranch 81) | 11/20/25 | 61.1 1.8 | 1443 | 41.3 0.9 | 2354 | 47.7 0.3 | 100 0 | 57 6 | 1.0 0.3 | 10.4 2.6 | 1059 | WNW | 282 | 0.20 | 4.74 | 0.034 0.001 | 141 6 | - |
| Rohnert Park-West (Stony Point) | 11/20/25 | 60.6 1.8 | 1352 | 40.1 9.1 | 2354 | 47.3 2.7 | 99 6 | 57 14 | 1.3 0.2 | 12.4 2.6 | 1214 | NNW | 330 | 0.00 | 1.53 | - | - | - |
| Cartograph Wines Base | 11/20/25 | 60.0 2.0 | 1344 | 47.0 2.4 | 2359 | 48.4 1.8 | 100 2 | 58 20 | 2.2 0.4 | 14.1 5.3 | 1210 | NNW | 329 | 0.10 | 6.63 | 0.043 0.015 | 193 74 | - |
| Cartograph Wines Remote | 11/20/25 | 59.0 2.3 | 1142 | 41.1 5.9 | 0001 | - | - | - | - | - | - | - | - | - | - | - | - |
| Rice-Spivak Vineyard | 11/20/25 | 62.6 2.0 | 1335 | 36.2 9.4 | 2358 | - | - | - | - | - | - | - | - | - | - | - | - |
| Penngrove (Asellus) | 11/20/25 | 61.8 2.0 | 1347 | 39.7 5.8 | 2353 | 46.4 1.6 | 97 3 | 49 14 | 2.2 0.7 | 15.5 3.9 | 1222 | NW | 318 | 0.00 | 0.09 | - | - | 0 0 |
| Roger's Creek (Ranch 50) | 11/20/25 | 60.0 3.0 | 1430 | 46.9 1.2 | 2357 | 46.6 0.5 | 100 4 | 55 13 | 2.8 0.4 | 14.9 4.1 | 1444 | W | 276 | 0.19 | 5.75 | 0.042 0.011 | 180 65 | 0 0 |
| Petaluma (Ranch 10) | 11/20/25 | 64.2 1.5 | 1422 | 40.0 7.4 | 2354 | 47.1 1.9 | 100 7 | 48 9 | 1.4 0.5 | 11.5 5.0 | 1506 | WSW | 242 | 0.15 | 4.29 | 0.047 0.014 | 184 59 | 0 0 |
| Max | 64.2 | - | 47.6 | - | 49.5 | 100 | 58 | 3.1 | 15.8 | - | - | 0.21 | 6.78 | 0.049 | 226 | - | |
| Avg | - | - | - | - | 45.2 | - | - | 1.9 | - | - | - | - | - | - | - | - | |
| Min | 58.8 | - | 36.2 | - | 15.3 | 95 | 48 | 1.0 | 7.5 | - | - | 0.00 | 0.09 | 0.034 | 141 | - |