| 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) | 11/17/25 | 52.5 2.7 | 1411 | 46.7 1.4 | 2043 | 45.4 5.5 | 90 | 100 0 | 73 15 | 4.6 | 23.9 6.2 | 1446 | WNW | 284 | 0.30 | 9.59 | - | - | 0 0 |
| Rockpile Upper (Cooley) | 11/18/25 | 62.1 13.2 | 1514 | 42.4 0.8 | 0724 | 42.1 1.8 | 78 | 100 0 | 46 37 | 4.5 | 23.7 11.2 | 0133 | NE | 35 | 0.00 | 9.87 | 0.070 0.047 | 304 152 | 0 0 |
| Cloverdale-East (Ranch 83) | 11/18/25 | 68.8 10.2 | 1507 | 43.7 2.7 | 0725 | 45.7 8.5 | - | - | - | 2.7 | 16.1 1.2 | 0909 | N | 351 | 0.00 | 7.38 | 0.059 0.028 | 263 140 | 0 0 |
| Cloverdale-SE (Ranch 38) | 11/18/25 | 67.0 9.4 | 1408 | 43.2 3.8 | 0743 | 46.2 2.1 | 81 | 97 3 | 47 25 | 4.9 | 16.7 12.9 | 0258 | WNW | 295 | 0.01 | 7.99 | 0.062 0.031 | 259 119 | 0 0 |
| Geyserville-North (Hoffman) | 11/18/25 | 65.8 7.7 | 1421 | 42.4 5.8 | 0706 | 46.5 2.4 | 81 | 95 2 | 49 20 | 1.9 | 8.8 8.1 | 1757 | ESE | 123 | 0.00 | 0.00 | 0.060 0.026 | 256 134 | 0 0 |
| Geyserville (Ranch 3) | 11/18/25 | 64.6 7.2 | 1422 | 43.7 4.9 | 0711 | 47.1 2.4 | 83 | 100 0 | 47 21 | 2.1 | 10.5 5.7 | 0552 | W | 266 | 0.00 | 7.36 | 0.058 0.025 | 255 120 | 0 0 |
| Geyserville-East (Ranch 40) | 11/18/25 | 66.4 7.5 | 1304 | 42.9 4.0 | 0623 | 46.9 1.9 | 82 | 99 1 | 49 25 | 4.7 | 22.7 1.9 | 1801 | SSE | 147 | 0.01 | 7.65 | 0.068 0.036 | 280 132 | 0 0 |
| Geyserville-South (Nervo Station) | 11/18/25 | 64.1 6.2 | 1433 | 43.8 3.1 | 0702 | - | - | - | - | 1.3 | 9.8 9.7 | 0331 | WNW | 283 | 0.00 | 5.80 | - | - | 0 0 |
| Jimtown-North (Piccolo Ranch 15) | 11/18/25 | 66.4 8.8 | 1337 | 40.9 5.9 | 0652 | 46.6 3.1 | 83 | 100 0 | 43 25 | 1.2 | 10.3 3.7 | 1732 | E | 99 | 0.00 | 7.50 | 0.052 0.023 | 236 119 | 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) | 11/18/25 | 66.4 6.9 | 1418 | 40.0 7.3 | 0708 | 46.4 3.5 | 81 | 100 0 | 46 23 | 1.8 | 10.8 1.6 | 0052 | ENE | 64 | 0.00 | 8.10 | 0.057 0.031 | 236 134 | 0 0 |
| N Chalk Hill Rd (Ranch 63) | 11/18/25 | 64.2 7.0 | 1343 | 39.7 6.5 | 0702 | 45.6 3.7 | 82 | 100 0 | 46 24 | 1.9 | 12.1 2.5 | 0010 | NE | 54 | 0.00 | 8.09 | 0.057 0.032 | 237 130 | - |
| Knights Valley (Bavarian Lion) | 11/18/25 | 64.7 9.2 | 1542 | 40.2 7.3 | 0658 | 45.1 3.6 | 81 | 97 1 | 46 29 | 1.6 | 9.3 1.6 | 1609 | WSW | 243 | 0.00 | 8.30 | 0.060 0.030 | 258 128 | - |
| Upper Dry Creek Valley | 11/18/25 | 67.7 9.6 | 1309 | 41.5 5.7 | 0656 | 46.3 2.1 | 81 | 97 0 | 43 23 | 1.2 | 9.1 8.0 | 1813 | S | 178 | 0.00 | 7.92 | 0.066 0.030 | 279 132 | - |
| Lower Dry Creek Valley | 11/18/25 | 66.2 7.9 | 1316 | 40.9 5.1 | 0709 | 47.1 2.1 | 83 | 100 0 | 47 14 | 2.2 | 8.0 9.3 | 1716 | SE | 128 | 0.00 | 8.21 | 0.062 0.023 | 259 121 | 0 0 |
| Max | 68.8 | - | 46.7 | - | 47.1 | 90 | 100 | 73 | 4.9 | 23.9 | - | - | 0.30 | 9.87 | 0.070 | 304 | - | |
| Avg | - | - | - | - | 45.9 | 82 | - | - | 2.6 | - | - | - | - | - | - | - | - | |
| Min | 52.5 | - | 39.7 | - | 42.1 | 78 | 95 | 43 | 1.2 | 8.0 | - | - | 0.00 | 0.00 | 0.052 | 236 | - |
| 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) | 11/18/25 | 66.1 7.2 | 1404 | 42.8 3.1 | 0712 | - | - | 100 0 | 49 16 | 1.1 | 11.0 5.6 | 1611 | 0.01 | 2.19 | - | - | 0 |
| Windsor-NW (Ranch 8) | 11/18/25 | 68.0 10.1 | 1356 | 45.9 1.9 | 0711 | 46.8 0.2 | 78 | 85 0 | 53 20 | 1.8 | 9.1 8.8 | 1528 | 0.00 | 8.56 | 0.063 0.029 | 264 134 | - |
| Windsor-East (Ranch 16) | 11/18/25 | 65.0 6.5 | 1348 | 42.6 2.8 | 0722 | 47.0 2.5 | 81 | 100 0 | 49 21 | 2.3 | 10.1 3.7 | 1629 | 0.00 | 6.36 | 0.065 0.033 | 277 148 | 0 |
| Mark West-North (Ranch 14) | 11/18/25 | 65.9 6.1 | 1357 | 43.5 3.7 | 0705 | 46.9 2.2 | 81 | 98 0 | 46 18 | 1.1 | 8.9 1.9 | 1620 | 0.00 | 7.39 | 0.010 0.004 | 0 0 | 0 |
| Windsor-SE (Silk Rd) | 11/18/25 | 65.6 7.4 | 1415 | 40.2 5.5 | 0711 | 46.6 2.3 | 85 | 99 1 | 47 16 | 1.4 | 11.3 1.6 | 1458 | 0.02 | 1.73 | 0.063 0.029 | 276 137 | 0 |
| Fulton-NW (Ranch 5) | 11/18/25 | 63.4 5.5 | 1317 | 41.9 5.2 | 0641 | 47.5 1.3 | 84 | 100 0 | 52 49 | 2.0 | 11.2 3.0 | 1545 | 0.00 | 7.47 | 0.060 0.025 | 259 118 | 0 |
| Windsor-South (Laughlin Rd) | 11/18/25 | 66.3 7.8 | 1341 | 43.1 3.8 | 0709 | 46.6 0.2 | 82 | 94 1 | 46 21 | - | - | - | 0.01 | 6.97 | - | - | - |
| Fulton-SE (Barnes Rd) | 11/18/25 | 63.8 5.3 | 1405 | 42.2 5.4 | 0644 | 47.6 2.2 | 82 | 97 1 | 52 19 | 2.0 | 11.6 5.5 | 1558 | 0.00 | 6.97 | - | - | - |
| Fulton-SW (Ranch 21) | 11/18/25 | 63.8 5.4 | 1248 | 43.0 3.7 | 0710 | - | - | - | - | 2.2 | 13.9 1.6 | 1227 | 0.00 | 7.29 | 0.071 0.018 | 304 141 | 0 |
| Santa Rosa-NW (Goldfields) | 11/18/25 | 66.1 5.5 | 1245 | 43.6 3.6 | 0648 | 47.4 2.1 | 81 | 97 3 | 49 14 | 2.6 | 12.4 1.8 | 1500 | 0.00 | 7.61 | 0.062 0.027 | 256 126 | - |
| Goldfields Remote | 11/18/25 | 63.5 5.0 | 1223 | 42.5 4.4 | 0711 | - | - | - | - | - | - | - | - | - | - | - | 0 |
| NW Santa Rosa (Piner Road) | 11/18/25 | 63.4 5.3 | 1425 | 42.9 4.4 | 0714 | 49.6 1.9 | 92 | 100 0 | 59 16 | 1.5 | 13.7 5.1 | 1537 | 0.04 | 4.19 | - | - | - |
| River Rd South (Denner Ranch) | 11/18/25 | 64.9 5.0 | 1434 | 42.8 4.1 | 0719 | 47.5 1.8 | 86 | 99 0 | 47 16 | 3.2 | 15.3 2.0 | 1539 | - | - | - | - | - |
| West Santa Rosa (LOV Vineyard) | 11/18/25 | 65.0 5.3 | 1434 | 43.2 4.6 | 0722 | 47.2 1.9 | 84 | 98 1 | 45 17 | 1.6 | 12.2 1.3 | 1542 | 0.15 | 7.91 | 0.012 0.003 | 0 0 | 0 |
| Guerneville Rd (Prokopakis) | 11/18/25 | 67.3 5.4 | 1438 | 43.6 4.1 | 0725 | 47.9 2.0 | 83 | 100 1 | 43 16 | - | - | - | 0.00 | 7.03 | - | - | - |
| Guerneville Rd West (Balletto) | 11/18/25 | 64.7 4.4 | 1431 | 42.5 4.7 | 0641 | 48.3 1.7 | 87 | 99 0 | 53 16 | 2.0 | 11.3 1.6 | 1535 | 0.00 | 5.69 | - | - | - |
| Guerneville Rd East (Rich Ranch) | 9/11/25 | 81.5 4.0 | 1431 | 58.6 0.2 | 0101 | 57.4 1.0 | 71 | 90 8 | 45 6 | - | - | - | - | - | - | - | 100 |
| Sanchietti Ranch | 11/18/25 | 64.0 2.9 | 1343 | 44.0 3.5 | 0713 | 49.9 1.4 | - | 99 0 | 63 9 | 2.5 | 12.4 2.3 | 1539 | 0.01 | 6.88 | - | - | - |
| Occidental Rd (Sebastopol) | 11/18/25 | 64.6 3.4 | 1329 | 42.9 3.6 | 0703 | 52.2 0.0 | 100 | 100 0 | 96 24 | 2.0 | 12.7 7.7 | 1505 | 0.01 | 5.72 | - | - | - |
| Lower Westside Rd (Ranch 12) | 11/18/25 | 66.9 7.6 | 1451 | 41.5 3.9 | 0704 | 46.8 2.0 | 84 | 100 0 | 45 16 | 1.1 | 9.0 6.0 | 1536 | 0.01 | 8.33 | - | - | 0 |
| Guerneville (Laughlin Rd) | 11/18/25 | 65.9 4.3 | 1147 | 44.1 1.0 | 0647 | 47.1 1.3 | 88 | 98 1 | 47 9 | 1.0 | 11.8 0.6 | 1233 | 0.00 | 9.12 | - | - | - |
| Korbel (Winery) | 11/18/25 | 64.7 3.5 | 1242 | 45.8 1.5 | 0712 | 47.9 1.2 | 88 | 100 1 | 49 9 | 0.9 | 11.0 2.3 | 1447 | 0.00 | 9.32 | - | - | - |
| Forestville (Shone Farms) | 11/17/25 | 61.1 0.2 | 1456 | 45.0 7.3 | 2242 | 48.5 5.1 | 87 | 98 0 | 61 19 | 2.1 | 17.4 18.7 | 1044 | 0.10 | 8.95 | 0.038 0.011 | 151 59 | 0 |
| Forestville-NE (Ranch 30) | 11/18/25 | 67.6 6.2 | 1516 | 41.5 3.5 | 0700 | 47.4 1.6 | 87 | 100 0 | 51 14 | 1.3 | 11.8 5.9 | 1309 | 0.00 | 8.45 | 0.065 0.028 | 283 118 | - |
| Green Valley Vineyard | 11/18/25 | 63.6 4.0 | 1258 | 43.6 1.8 | 0648 | 46.7 1.3 | 84 | 98 0 | 44 19 | 1.9 | 11.8 1.5 | 1533 | 0.00 | 9.68 | 0.051 0.039 | 190 177 | - |
| Green Valley (Sanchietti) | 11/18/25 | 66.1 4.8 | 1249 | 41.5 3.6 | 0654 | - | - | - | - | - | - | - | - | - | - | - | - |
| Keefer Ranch (Green Valley) | 11/18/25 | 63.7 4.1 | 1309 | 42.0 3.0 | 0713 | 47.7 1.8 | 89 | 100 1 | 52 19 | - | - | - | 0.00 | 8.46 | - | - | - |
| Graton-South (Mill Station Rd) | 11/18/25 | 64.1 4.9 | 1307 | 41.2 4.1 | 0716 | 46.9 1.7 | 87 | 99 0 | 44 21 | 0.5 | 7.2 2.5 | 1500 | 0.00 | 8.24 | - | - | 0 |
| Occidental (Horseshoe Bend) | 11/18/25 | 61.8 4.3 | 1245 | 47.5 0.3 | 0648 | 46.5 1.5 | - | 95 5 | 48 17 | - | - | - | 0.00 | 8.30 | - | - | - |
| Sexton Valley (Jacqueline's Blk) | 11/18/25 | 64.2 4.9 | 1245 | 41.5 3.3 | 0737 | 47.7 1.4 | 88 | 100 2 | 49 18 | 1.1 | 10.2 4.7 | 1534 | 0.07 | 6.78 | - | - | - |
| Sebastopol Hills (Burnside Rd) | 11/18/25 | 61.4 3.8 | 1258 | 45.5 2.4 | 0730 | 48.2 0.7 | 88 | 98 2 | 56 16 | 2.3 | 15.4 2.5 | 1526 | 0.00 | 7.30 | - | - | - |
| Seaview/Fort Ross (Hirsch) | 11/18/25 | 57.8 7.0 | 1345 | 44.5 0.2 | 2216 | 44.1 0.9 | 84 | 97 0 | 54 29 | 2.8 | 10.7 10.5 | 0300 | 0.00 | 12.86 | 0.059 0.034 | 279 149 | - |
| Max | 68.0 | - | 47.5 | - | 52.2 | 100 | 100 | 96 | 3.2 | 17.4 | - | 0.15 | 12.86 | 0.071 | 304 | - | |
| Avg | - | - | - | - | 47.6 | 86 | - | - | 1.8 | - | - | - | - | - | - | - | |
| Min | 57.8 | - | 40.2 | - | 44.1 | 78 | 85 | 43 | 0.5 | 7.2 | - | 0.00 | 1.73 | 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 | 11/18/25 | 61.9 8.0 | 1408 | 43.1 2.4 | 0637 | 45.1 2.7 | 96 2 | 50 28 | 1.6 0.1 | 8.8 3.0 | 1442 | SSW | 200 | 0.02 | 5.32 | 0.071 0.042 | 313 181 | - |
| Lower Bennett Valley | 11/18/25 | 62.5 6.3 | 1329 | 41.0 4.9 | 0714 | 47.2 2.3 | 100 0 | 53 21 | 2.3 0.4 | 11.2 4.2 | 0919 | NNW | 346 | 0.01 | 6.33 | 0.060 0.033 | 268 154 | 0 0 |
| Kenwood (Wildwood) | 11/18/25 | 62.9 5.2 | 1416 | 42.0 6.2 | 0656 | 46.4 3.6 | 99 1 | 52 16 | 2.1 0.2 | 12.1 2.6 | 1632 | N | 354 | 0.01 | 6.67 | 0.047 0.015 | 195 52 | - |
| Sonoma Valley (Bedrock) | 11/18/25 | 63.0 5.6 | 1429 | 39.0 9.3 | 2358 | 44.4 4.0 | 97 1 | 48 18 | - | - | - | - | 0.00 | 6.61 | - | - | - |
| Sonoma-West (Arnold) | 11/18/25 | 64.4 5.2 | 1421 | 43.0 7.1 | 2220 | 46.3 3.4 | 100 2 | 48 17 | 2.1 0.8 | 11.2 4.2 | 1728 | W | 263 | 0.01 | 2.93 | 0.062 0.026 | 264 115 | - |
| Sonoma Valley HS | 11/18/25 | 63.5 4.8 | 1435 | 43.4 7.0 | 2253 | 48.2 3.4 | 100 0 | 56 16 | 1.2 0.6 | 9.3 0.8 | 1557 | WSW | 257 | 0.02 | 4.51 | 0.051 0.019 | 231 87 | - |
| Sonoma East (Bundschu01) | 11/18/25 | 64.6 6.2 | 1446 | 40.1 10.3 | 2328 | 45.2 4.8 | 96 1 | 48 24 | 2.4 1.0 | 15.8 1.3 | 1446 | SW | 214 | 0.00 | 0.13 | 0.054 0.020 | 228 100 | - |
| Schellville (Sasaki) | 11/18/25 | 64.3 5.0 | 1431 | 43.1 8.2 | 2259 | 46.5 3.7 | 94 1 | 47 19 | 1.9 0.4 | 12.5 5.7 | 1506 | SSE | 164 | 0.00 | 4.28 | - | - | 0 0 |
| Sonoma-SE (Napoli) | 11/18/25 | 65.4 7.3 | 1446 | 41.8 8.7 | 2308 | 45.4 4.7 | 94 0 | 45 25 | 2.1 0.4 | 13.5 0.7 | 0103 | ENE | 59 | 0.00 | 4.26 | - | - | 0 0 |
| Ricci Vineyards (Carneros) | 11/18/25 | 64.2 5.3 | 1439 | 40.9 9.4 | 2334 | 45.7 4.2 | 96 1 | 46 23 | 2.6 1.3 | 11.8 6.9 | 1414 | WSW | 253 | 0.00 | 4.66 | 0.062 0.029 | 257 132 | - |
| Carneros (Ranch 71) | 11/17/25 | 56.4 4.1 | 1343 | 50.3 3.1 | 0656 | 49.6 2.7 | 97 2 | 73 3 | 4.1 1.1 | 19.6 4.0 | 0829 | WSW | 258 | 0.46 | 4.30 | 0.033 0.005 | 129 5 | 0 0 |
| Carneros Upper (Ranch 81) | 11/18/25 | 63.2 5.0 | 1446 | 48.5 1.5 | 2359 | 46.6 29.6 | - | - | 5.4 1.2 | 17.5 3.3 | 1736 | W | 270 | - | - | - | - | - |
| Carneros Lower (Ranch 81) | 11/18/25 | 65.5 7.4 | 1253 | 41.5 8.6 | 2341 | 46.4 4.5 | 97 3 | 52 24 | 1.0 1.0 | 9.1 6.1 | 0448 | NNE | 21 | 0.00 | 4.54 | 0.053 0.024 | 224 99 | - |
| Rohnert Park-West (Stony Point) | 11/17/25 | 58.4 0.6 | 1529 | 48.2 6.2 | 2130 | 50.4 4.1 | 98 0 | 72 12 | 3.1 0.8 | 16.8 0.3 | 1100 | WNW | 303 | 0.02 | 1.51 | - | - | - |
| Cartograph Wines Base | 11/18/25 | 62.0 4.9 | 1245 | 46.1 2.5 | 0628 | 49.1 1.1 | 98 1 | 60 16 | 3.3 0.5 | 17.2 6.4 | 1333 | SSW | 211 | 0.00 | 6.47 | 0.058 0.025 | 268 108 | - |
| Cartograph Wines Remote | 11/18/25 | 62.1 4.9 | 1146 | 41.7 4.8 | 0718 | - | - | - | - | - | - | - | - | - | - | - | - |
| Rice-Spivak Vineyard | 11/18/25 | 63.3 4.3 | 1251 | 38.3 6.6 | 0725 | - | - | - | - | - | - | - | - | - | - | - | - |
| Penngrove (Asellus) | 11/18/25 | 63.3 4.9 | 1255 | 42.4 6.0 | 0659 | 46.9 2.2 | 98 1 | 50 14 | 2.1 0.9 | 11.4 5.4 | 1351 | SSW | 203 | 0.00 | 0.09 | - | - | 0 0 |
| Roger's Creek (Ranch 50) | 11/18/25 | 60.8 4.8 | 1355 | 47.9 1.0 | 0626 | 46.3 2.7 | 96 4 | 50 21 | 3.6 1.0 | 14.7 4.0 | 1659 | W | 279 | 0.00 | 5.55 | 0.058 0.029 | 253 129 | 0 0 |
| Petaluma (Ranch 10) | 11/18/25 | 65.8 6.2 | 1324 | 43.7 5.2 | 0717 | 47.5 2.3 | 100 0 | 44 18 | 1.5 0.8 | 10.4 5.1 | 1434 | WSW | 256 | 0.00 | 4.12 | 0.057 0.023 | 224 104 | 0 0 |
| Max | 65.8 | - | 50.3 | - | 50.4 | 100 | 73 | 5.4 | 19.6 | - | - | 0.46 | 6.67 | 0.071 | 313 | - | |
| Avg | - | - | - | - | 46.8 | - | - | 2.5 | - | - | - | - | - | - | - | - | |
| Min | 56.4 | - | 38.3 | - | 44.4 | 94 | 44 | 1.0 | 8.8 | - | - | 0.00 | 0.09 | 0.033 | 129 | - |