| 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) | 11/21/25 | 68.8 14.3 | 1258 | 42.5 1.1 | 0357 | 38.2 6.1 | 54 | 94 6 | 30 34 | 2.9 | 13.7 2.2 | 1352 | W | 274 | 0.00 | 9.78 | - | - | 0 0 |
| Rockpile Upper (Cooley) | 11/21/25 | 63.7 12.0 | 1323 | 40.5 1.0 | 0305 | 35.8 7.3 | 54 | 100 0 | 34 36 | 6.1 | 27.0 7.9 | 0638 | N | 7 | 0.00 | 10.06 | 0.089 0.047 | 302 65 | 0 0 |
| Cloverdale-East (Ranch 83) | 11/21/25 | 70.4 9.5 | 1351 | 40.0 2.4 | 2239 | 41.4 25.9 | - | - | - | 3.0 | 16.7 1.9 | 0631 | WNW | 296 | 0.00 | 7.67 | 0.072 0.017 | 259 28 | 0 0 |
| Cloverdale-SE (Ranch 38) | 11/21/25 | 74.7 15.8 | 1456 | 42.0 4.1 | 0618 | 41.8 4.6 | 65 | 93 6 | 26 29 | 5.9 | 21.6 0.8 | 0041 | NNW | 347 | 0.00 | 8.24 | 0.079 0.024 | 256 26 | 0 0 |
| Geyserville-North (Hoffman) | 11/21/25 | 72.3 10.4 | 1303 | 42.8 2.7 | 0701 | 41.9 4.7 | 69 | 93 3 | 27 22 | 3.4 | 13.8 0.8 | 0443 | WNW | 296 | 0.00 | 0.00 | 0.077 0.017 | 254 23 | 0 0 |
| Geyserville (Ranch 3) | 11/21/25 | 71.6 10.9 | 1321 | 42.7 3.6 | 0641 | 42.1 4.9 | 69 | 100 0 | 25 23 | 3.8 | 17.7 2.7 | 0432 | WNW | 288 | 0.00 | 7.59 | 0.077 0.019 | 254 20 | 0 0 |
| Geyserville-East (Ranch 40) | 11/21/25 | 72.2 10.5 | 1435 | 43.2 1.4 | 0212 | 41.6 4.9 | 61 | 97 3 | 30 24 | 4.6 | 25.1 7.2 | 0802 | NE | 49 | 0.00 | 7.84 | 0.089 0.032 | 276 29 | 0 0 |
| Geyserville-South (Nervo Station) | 11/21/25 | 72.5 11.3 | 1451 | 44.7 1.2 | 0648 | - | - | - | - | 2.7 | 21.5 4.4 | 0516 | NW | 305 | 0.00 | 5.98 | - | - | 0 0 |
| Jimtown-North (Piccolo Ranch 15) | 11/21/25 | 75.4 13.4 | 1433 | 40.2 1.3 | 2318 | 40.4 5.8 | 68 | 100 0 | 23 22 | 2.0 | 15.1 0.7 | 0858 | WNW | 293 | 0.00 | 7.71 | 0.067 0.016 | 231 31 | 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) | 11/21/25 | 73.5 10.1 | 1237 | 37.0 2.4 | 0231 | 40.5 5.9 | 73 | 100 1 | 25 20 | 2.1 | 17.3 3.7 | 0746 | NE | 38 | 0.00 | 8.27 | 0.073 0.021 | 233 34 | 0 0 |
| N Chalk Hill Rd (Ranch 63) | 11/21/25 | 72.1 9.8 | 1318 | 36.9 2.4 | 0538 | 39.9 6.2 | 74 | 100 0 | 26 21 | 2.0 | 12.3 2.1 | 1423 | NE | 39 | 0.00 | 8.27 | 0.070 0.017 | 234 26 | - |
| Knights Valley (Bavarian Lion) | 11/21/25 | 71.7 9.1 | 1441 | 36.1 2.3 | 0215 | 37.6 7.9 | 64 | 98 1 | 25 20 | 2.9 | 25.2 11.1 | 0605 | NNW | 341 | 0.00 | 8.48 | 0.084 0.027 | 255 18 | - |
| Upper Dry Creek Valley | 11/21/25 | 74.1 13.6 | 1338 | 42.2 1.6 | 0655 | 43.2 3.5 | 72 | 97 0 | 25 27 | 1.8 | 10.6 4.2 | 0156 | WNW | 283 | 0.00 | 8.13 | 0.071 0.013 | 275 43 | - |
| Lower Dry Creek Valley | 11/21/25 | 75.8 10.1 | 1410 | 42.7 1.8 | 0634 | 42.4 4.7 | 70 | 100 0 | 23 19 | 4.3 | 12.7 3.2 | 1115 | NW | 324 | 0.00 | 8.40 | 0.079 0.018 | 255 31 | 0 0 |
| Max | 75.8 | - | 44.7 | - | 43.2 | 74 | 100 | 34 | 6.1 | 27.0 | - | - | 0.00 | 10.06 | 0.089 | 302 | - | |
| Avg | - | - | - | - | 40.5 | 66 | - | - | 3.4 | - | - | - | - | - | - | - | - | |
| Min | 63.7 | - | 36.1 | - | 35.8 | 54 | 93 | 23 | 1.8 | 10.6 | - | - | 0.00 | 0.00 | 0.067 | 231 | - |
| 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) | 11/21/25 | 73.6 11.5 | 1411 | 40.6 5.6 | 0424 | - | - | 100 4 | 25 24 | 2.1 | 22.2 6.1 | 0708 | 0.00 | 2.28 | - | - | 0 |
| Windsor-NW (Ranch 8) | 11/21/25 | 79.5 17.0 | 1426 | 40.7 4.4 | 0537 | 43.2 3.5 | 66 | 86 0 | 28 27 | 2.4 | 13.3 2.0 | 1220 | 0.00 | 8.65 | 0.081 0.025 | 262 30 | - |
| Windsor-East (Ranch 16) | 11/21/25 | 73.0 10.0 | 1553 | 41.7 0.5 | 0608 | 40.8 5.9 | 64 | 100 0 | 25 22 | 3.3 | 28.5 15.2 | 0648 | 0.00 | 6.46 | 0.088 0.032 | 275 42 | 0 |
| Mark West-North (Ranch 14) | 11/21/25 | 71.4 8.8 | 1428 | 40.6 1.2 | 0202 | 40.5 5.7 | 64 | 98 1 | 26 20 | 1.9 | 13.5 7.1 | 0729 | 0.00 | 7.47 | 0.032 0.022 | 0 0 | 0 |
| Windsor-SE (Silk Rd) | 11/21/25 | 71.7 9.5 | 1448 | 36.3 2.6 | 0407 | 40.0 6.1 | 72 | 100 2 | 26 20 | 2.1 | 13.3 0.6 | 0857 | 0.00 | 1.80 | 0.081 0.025 | 271 36 | 0 |
| Fulton-NW (Ranch 5) | 11/21/25 | 71.5 10.8 | 1320 | 37.8 2.7 | 0402 | 39.4 7.3 | 66 | 100 0 | 3 47 | 2.5 | 14.2 0.3 | 0746 | 0.00 | 7.54 | 0.081 0.026 | 257 35 | 0 |
| Windsor-South (Laughlin Rd) | 11/21/25 | 72.9 9.4 | 1404 | 38.4 5.0 | 0616 | 33.4 12.7 | 61 | 100 0 | 0 46 | - | - | - | 0.00 | 7.03 | - | - | - |
| Fulton-SE (Barnes Rd) | 11/21/25 | 72.1 10.5 | 1309 | 40.0 2.0 | 0320 | 42.7 4.6 | 70 | 97 0 | 30 23 | 1.7 | 12.1 2.5 | 1111 | 0.00 | 7.06 | - | - | - |
| Fulton-SW (Ranch 21) | 11/21/25 | 71.6 10.4 | 1338 | 36.9 3.5 | 0430 | 24.8 6.5 | 56 | 100 0 | 0 0 | 2.3 | 13.5 0.1 | 1106 | 0.00 | 7.37 | 0.086 0.028 | 298 55 | - |
| Santa Rosa-NW (Goldfields) | 11/21/25 | 74.6 10.2 | 1359 | 37.2 3.7 | 0354 | 40.9 5.6 | 69 | 100 0 | 26 18 | 2.5 | 15.3 0.1 | 1124 | 0.00 | 7.68 | 0.083 0.029 | 253 53 | - |
| Goldfields Remote | 11/21/25 | 72.0 9.7 | 1403 | 36.3 3.3 | 0542 | - | - | - | - | - | - | - | - | - | - | - | 0 |
| NW Santa Rosa (Piner Road) | 11/21/25 | 70.9 9.4 | 1514 | 36.4 3.9 | 0607 | 42.8 5.6 | 76 | 100 0 | 32 22 | 1.5 | 13.3 3.1 | 1056 | 0.00 | 5.96 | - | - | - |
| River Rd South (Denner Ranch) | 11/21/25 | 72.9 9.5 | 1334 | 36.5 4.6 | 0626 | 41.3 5.5 | 72 | 100 1 | 26 18 | 3.0 | 14.7 0.2 | 0951 | - | - | - | - | - |
| West Santa Rosa (LOV Vineyard) | 11/21/25 | 72.8 11.0 | 1436 | 36.8 4.4 | 0602 | 40.8 5.6 | 71 | 100 3 | 26 18 | 1.6 | 15.4 4.2 | 1242 | 0.02 | 8.03 | 0.029 0.015 | 0 0 | 0 |
| Guerneville Rd (Prokopakis) | 11/21/25 | 73.2 10.1 | 1331 | 37.5 4.5 | 0604 | 41.8 5.4 | 72 | 100 1 | 27 18 | - | - | - | 0.00 | 7.09 | - | - | - |
| Guerneville Rd West (Balletto) | 11/21/25 | 72.2 10.6 | 1400 | 34.8 4.2 | 0558 | 41.7 5.3 | 76 | 100 1 | 32 21 | 1.9 | 12.1 0.2 | 1233 | 0.00 | 5.77 | - | - | - |
| Sanchietti Ranch | 11/21/25 | 71.6 9.6 | 1300 | 36.2 4.0 | 0557 | 43.7 4.8 | - | 100 0 | 36 21 | 2.5 | 16.7 2.4 | 0818 | 0.00 | 6.95 | - | - | - |
| Occidental Rd (Sebastopol) | 11/21/25 | 72.4 10.3 | 1441 | 35.5 4.3 | 0621 | 47.2 3.8 | 87 | 100 0 | 46 32 | 1.9 | 15.3 1.8 | 1116 | 0.00 | 5.76 | - | - | - |
| Lower Westside Rd (Ranch 12) | 11/21/25 | 76.0 13.0 | 1432 | 37.5 3.2 | 0528 | 42.1 4.2 | 76 | 100 0 | 25 19 | 0.9 | 9.1 3.9 | 1143 | 0.00 | 8.38 | - | - | 0 |
| Guerneville (Laughlin Rd) | 11/21/25 | 72.2 9.9 | 1324 | 39.5 2.4 | 0647 | 43.8 2.8 | 86 | 99 1 | 28 19 | 0.9 | 9.1 3.7 | 1307 | 0.00 | 9.21 | - | - | - |
| Korbel (Winery) | 11/21/25 | 73.2 10.9 | 1434 | 40.6 3.4 | 0618 | 44.2 2.9 | 84 | 100 2 | 26 19 | 0.6 | 13.0 2.0 | 1255 | 0.01 | 9.40 | - | - | - |
| Forestville (Shone Farms) | 11/21/25 | 73.1 10.5 | 1356 | 37.4 4.8 | 0355 | 41.7 5.0 | 72 | 98 1 | 28 18 | 2.0 | 13.9 0.4 | 0702 | 0.00 | 9.01 | 0.078 0.020 | 268 40 | 0 |
| Forestville-NE (Ranch 30) | 11/21/25 | 75.6 13.1 | 1450 | 37.4 3.0 | 0627 | 43.4 3.8 | 80 | 100 1 | 31 21 | 1.6 | 17.4 0.3 | 0702 | 0.00 | 8.51 | 0.074 0.016 | 280 39 | - |
| Green Valley Vineyard | 11/21/25 | 71.6 9.9 | 1436 | 38.3 3.6 | 0452 | 41.6 4.9 | 73 | 99 1 | 27 19 | 2.2 | 10.7 0.7 | 1220 | 0.00 | 9.76 | 0.037 0.020 | 83 56 | - |
| Green Valley (Sanchietti) | 11/21/25 | 73.5 9.7 | 1337 | 34.5 4.7 | 0645 | - | - | - | - | - | - | - | - | - | - | - | - |
| Keefer Ranch (Green Valley) | 11/21/25 | 71.8 9.9 | 1437 | 35.4 3.6 | 0559 | 42.3 5.2 | 81 | 100 1 | 32 21 | - | - | - | 0.00 | 8.51 | - | - | - |
| Graton-South (Mill Station Rd) | 11/21/25 | 72.7 10.8 | 1411 | 34.0 4.4 | 0619 | 40.8 5.5 | 76 | 100 1 | 27 19 | 0.4 | 7.3 0.1 | 1237 | 0.00 | 8.29 | - | - | 0 |
| Occidental (Horseshoe Bend) | 11/21/25 | 70.1 11.2 | 1516 | 44.2 2.7 | 0235 | 41.5 4.9 | - | 92 8 | 30 24 | - | - | - | 0.00 | 8.35 | - | - | - |
| Sexton Valley (Jacqueline's Blk) | 11/21/25 | 72.0 10.9 | 1521 | 34.8 4.3 | 0624 | 42.7 4.4 | 82 | 100 1 | 34 20 | 1.2 | 10.4 0.5 | 1159 | 0.02 | 6.89 | - | - | - |
| Sebastopol Hills (Burnside Rd) | 11/21/25 | 70.9 10.7 | 1454 | 42.6 4.4 | 0504 | 44.7 2.7 | 72 | 98 2 | 35 21 | 1.6 | 12.4 0.1 | 1312 | 0.00 | 7.37 | - | - | - |
| Seaview/Fort Ross (Hirsch) | 11/21/25 | 63.7 12.0 | 1317 | 40.8 3.0 | 0243 | 39.5 4.3 | 59 | 97 0 | 41 33 | 3.0 | 15.4 0.7 | 0536 | 0.00 | 13.06 | 0.071 0.038 | 275 84 | - |
| Max | 79.5 | - | 44.2 | - | 47.2 | 87 | 100 | 46 | 3.3 | 28.5 | - | 0.02 | 13.06 | 0.088 | 298 | - | |
| Avg | - | - | - | - | 41.2 | 72 | - | - | 1.9 | - | - | - | - | - | - | - | |
| Min | 63.7 | - | 34.0 | - | 24.8 | 56 | 86 | 0 | 0.4 | 7.3 | - | 0.00 | 1.80 | 0.029 | 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 | 11/21/25 | 70.0 10.6 | 1503 | 42.8 0.5 | 0100 | 38.6 6.2 | 93 4 | 28 24 | 2.5 0.9 | 14.2 6.0 | 0701 | NNW | 330 | 0.01 | 5.35 | 0.084 0.035 | 308 82 | - |
| Lower Bennett Valley | 11/21/25 | 71.1 9.8 | 1446 | 33.6 2.5 | 0247 | 38.7 7.2 | 100 0 | 27 24 | 2.4 0.8 | 17.4 6.9 | 0810 | NNE | 32 | 0.00 | 6.45 | 0.084 0.039 | 272 72 | 0 0 |
| Kenwood (Wildwood) | 11/21/25 | 70.7 12.0 | 1411 | 38.2 2.5 | 0244 | 41.2 5.5 | 100 1 | 28 30 | 2.6 0.5 | 17.6 2.8 | 0607 | N | 350 | 0.00 | 6.78 | 0.071 0.031 | 230 75 | - |
| Sonoma Valley (Bedrock) | 11/21/25 | 70.1 9.3 | 1207 | 37.8 3.6 | 0609 | 40.9 4.4 | 97 1 | 28 24 | - | - | - | - | 0.00 | 6.70 | - | - | - |
| Sonoma-West (Arnold) | 11/21/25 | 69.0 6.7 | 1157 | 37.6 4.1 | 0550 | 43.5 3.6 | 100 0 | 40 10 | 2.0 0.0 | 9.4 1.0 | 1324 | SE | 145 | 0.00 | 2.94 | 0.079 0.031 | 316 117 | - |
| Sonoma Valley HS | 11/21/25 | 66.1 3.7 | 1214 | 38.4 4.4 | 0506 | 45.3 4.1 | 100 0 | 52 6 | 1.3 0.3 | 8.6 1.0 | 1427 | SE | 143 | 0.01 | 4.55 | 0.063 0.024 | 271 100 | - |
| Sonoma East (Bundschu01) | 11/21/25 | 65.6 3.2 | 1512 | 36.1 4.7 | 0334 | 42.4 4.5 | 97 1 | 47 5 | 2.3 0.5 | 13.2 1.5 | 1317 | S | 178 | 0.00 | 0.13 | 0.070 0.026 | 287 106 | - |
| Schellville (Sasaki) | 11/21/25 | 65.9 2.7 | 1519 | 38.2 4.0 | 0514 | 43.3 4.4 | 97 2 | 46 6 | 1.7 0.3 | 10.8 1.7 | 1301 | E | 82 | 0.00 | 4.40 | - | - | 0 0 |
| Sonoma-SE (Napoli) | 11/21/25 | 66.9 2.7 | 1504 | 38.4 3.1 | 0249 | 42.9 4.1 | 97 2 | 44 5 | 1.7 0.4 | 10.5 1.7 | 1233 | S | 173 | 0.00 | 4.44 | - | - | 0 0 |
| Ricci Vineyards (Carneros) | 11/21/25 | 66.1 3.6 | 1448 | 36.5 3.9 | 0610 | 43.0 4.1 | 98 1 | 45 7 | 2.6 0.4 | 10.3 0.9 | 1310 | SSE | 154 | 0.00 | 4.87 | 0.071 0.028 | 292 117 | - |
| Carneros (Ranch 71) | 11/21/25 | 65.0 3.5 | 1510 | 42.8 3.5 | 0536 | 45.0 2.4 | 97 2 | 47 5 | 2.3 0.5 | 10.3 5.5 | 0644 | E | 93 | 0.00 | 4.46 | 0.064 0.020 | 274 93 | 0 0 |
| Carneros Upper (Ranch 81) | 11/21/25 | 66.1 3.9 | 1450 | 43.5 4.1 | 0637 | 43.8 28.5 | - | - | 2.9 0.2 | 11.4 3.6 | 1356 | SSE | 166 | - | - | - | - | - |
| Carneros Lower (Ranch 81) | 11/21/25 | 64.7 3.6 | 1416 | 37.4 3.9 | 0549 | 43.2 4.4 | 100 0 | 49 7 | 1.2 0.2 | 11.0 0.6 | 1220 | SSE | 160 | 0.00 | 4.74 | 0.055 0.021 | 220 79 | - |
| Rohnert Park-West (Stony Point) | 11/21/25 | 70.9 10.2 | 1345 | 36.8 3.3 | 0538 | 43.0 4.3 | 100 0 | 34 23 | 1.6 0.2 | 13.8 1.4 | 1147 | NNE | 21 | 0.00 | 1.53 | - | - | - |
| Cartograph Wines Base | 11/21/25 | 70.2 10.2 | 1339 | 42.9 4.0 | 0509 | 46.0 2.4 | 98 2 | 36 23 | 2.7 0.4 | 14.5 0.4 | 1224 | NNW | 336 | 0.00 | 6.63 | 0.073 0.030 | 268 75 | - |
| Cartograph Wines Remote | 11/21/25 | 68.3 9.2 | 1252 | 37.5 3.6 | 0638 | - | - | - | - | - | - | - | - | - | - | - | - |
| Rice-Spivak Vineyard | 11/21/25 | 73.7 11.0 | 1442 | 33.1 3.1 | 0652 | - | - | - | - | - | - | - | - | - | - | - | - |
| Penngrove (Asellus) | 11/21/25 | 71.5 9.7 | 1342 | 38.2 1.5 | 0700 | 42.4 4.0 | 98 1 | 27 22 | 2.3 0.1 | 12.4 3.1 | 1308 | N | 4 | 0.00 | 0.09 | - | - | 0 0 |
| Roger's Creek (Ranch 50) | 11/21/25 | 67.0 6.9 | 1243 | 43.4 3.5 | 0605 | 42.3 4.3 | 94 6 | 39 16 | 2.5 0.3 | 10.4 4.5 | 1247 | ESE | 102 | 0.00 | 5.75 | 0.067 0.025 | 266 86 | 0 0 |
| Petaluma (Ranch 10) | 11/21/25 | 72.4 8.2 | 1245 | 37.8 2.2 | 0242 | 42.4 4.7 | 100 0 | 33 15 | 0.9 0.4 | 7.7 3.8 | 1302 | S | 184 | 0.00 | 4.29 | 0.057 0.010 | 214 30 | 0 0 |
| Max | 73.7 | - | 43.5 | - | 46.0 | 100 | 52 | 2.9 | 17.6 | - | - | 0.01 | 6.78 | 0.084 | 316 | - | |
| Avg | - | - | - | - | 42.7 | - | - | 2.1 | - | - | - | - | - | - | - | - | |
| Min | 64.7 | - | 33.1 | - | 38.6 | 93 | 27 | 0.9 | 7.7 | - | - | 0.00 | 0.09 | 0.055 | 214 | - |