| Station | Date | Daily Max Temp (°F) | Time of Max Temp | Daily Min Temp (°F) | Time of Min Temp | Dew Pt (°F) | RH (%) | Daily 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) | 1/7/26 | 56.2 3.4 | 1405 | 42.8 4.3 | 2024 | 41.1 6.0 | 80 | 91 9 | 59 2 | 6.8 | 29.2 17.6 | 2359 | WNW | 292 | 0.00 | 28.82 | - | - | 0 0 |
| Rockpile Upper (Cooley) | 1/7/26 | 52.3 2.6 | 1418 | 39.1 4.7 | 2359 | 40.3 5.4 | 90 | 100 0 | 65 3 | 12.5 | 39.7 18.9 | 2331 | NW | 312 | 0.02 | 29.56 | 0.042 0.003 | 208 17 | 0 0 |
| Cloverdale-East (Ranch 83) | 1/7/26 | 60.3 3.7 | 1413 | 41.8 4.4 | 1943 | 39.0 21.6 | - | - | - | 3.5 | 19.1 8.4 | 2350 | NW | 326 | 0.00 | 25.01 | 0.053 0.004 | 204 2 | 0 0 |
| Cloverdale-SE (Ranch 38) | 1/7/26 | 59.8 4.0 | 1328 | 44.9 2.4 | 2045 | 44.2 5.0 | 82 | 96 3 | 59 2 | 7.5 | 24.9 10.2 | 2317 | N | 352 | 0.00 | 26.49 | 0.051 0.008 | 201 14 | 0 0 |
| Geyserville-North (Hoffman) | 1/7/26 | 61.1 2.2 | 1301 | 41.8 4.4 | 2230 | 43.6 6.5 | 79 | 96 1 | 54 3 | 3.1 | 14.7 2.5 | 1452 | NNW | 339 | 0.00 | 25.50 | 0.054 0.014 | 205 41 | 0 0 |
| Geyserville (Ranch 3) | 1/7/26 | 59.8 2.7 | 1406 | 42.3 3.3 | 2230 | 43.9 6.1 | 80 | 100 0 | 53 2 | 4.3 | 18.0 10.8 | 1450 | NW | 311 | 0.00 | 25.44 | 0.054 0.014 | 205 32 | 0 0 |
| Geyserville-East (Ranch 40) | 1/7/26 | 60.3 4.3 | 1328 | 44.4 2.8 | 2330 | 44.3 4.9 | 82 | 98 2 | 57 1 | 7.0 | 24.2 11.8 | 1458 | NNW | 332 | 0.00 | 25.86 | 0.058 0.013 | 244 48 | 0 0 |
| Geyserville-South (Nervo Station) | 1/7/26 | 60.3 2.1 | 1227 | 44.9 2.1 | 2351 | - | - | - | - | 4.1 | 17.5 7.0 | 1532 | WNW | 286 | 0.00 | 19.33 | - | - | 0 0 |
| Jimtown-North (Piccolo Ranch 15) | 1/7/26 | 60.5 2.5 | 1331 | 42.8 0.8 | 0733 | 43.2 5.5 | 79 | 100 0 | 51 0 | 2.6 | 16.5 9.2 | 1549 | W | 275 | 0.01 | 23.62 | 0.047 0.010 | 190 25 | 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) | 1/7/26 | 61.7 3.3 | 1357 | 39.7 3.7 | 1957 | 43.7 5.5 | 83 | 100 0 | 50 2 | 2.7 | 15.3 9.4 | 2352 | WSW | 252 | 0.00 | 22.79 | 0.049 0.014 | 191 52 | 0 0 |
| N Chalk Hill Rd (Ranch 63) | 1/7/26 | 59.6 2.2 | 1410 | 41.2 2.9 | 0726 | 43.0 5.6 | 80 | 100 0 | 49 9 | 4.0 | 19.4 11.8 | 1553 | WNW | 290 | 0.00 | 24.15 | 0.053 0.018 | 186 33 | - |
| Knights Valley (Bavarian Lion) | 1/7/26 | 60.1 3.0 | 1354 | 41.2 0.8 | 0722 | 42.5 5.1 | 79 | 98 0 | 50 3 | 3.6 | 18.8 10.2 | 2300 | NNW | 346 | 0.00 | 22.62 | 0.056 0.015 | 227 56 | - |
| Upper Dry Creek Valley | 1/7/26 | 60.4 3.6 | 1238 | 43.0 2.8 | 0731 | 42.8 6.8 | 76 | 98 0 | 50 2 | 4.3 | 22.4 14.4 | 2315 | NW | 305 | 0.00 | 27.46 | 0.059 0.016 | 216 28 | - |
| Lower Dry Creek Valley | 1/7/26 | 62.8 5.2 | 1339 | 42.2 2.6 | 0713 | 43.5 6.2 | 79 | 100 0 | 51 6 | 5.0 | 25.5 19.9 | 2333 | NW | 323 | 0.00 | 27.06 | 0.065 0.029 | 222 64 | 0 0 |
| Max | 62.8 | - | 44.9 | - | 44.3 | 90 | 100 | 65 | 12.5 | 39.7 | - | - | 0.02 | 29.56 | 0.065 | 244 | - | |
| Avg | - | - | - | - | 42.7 | 81 | - | - | 5.1 | - | - | - | - | - | - | - | - | |
| Min | 52.3 | - | 39.1 | - | 39.0 | 76 | 91 | 49 | 2.6 | 14.7 | - | - | 0.00 | 19.33 | 0.042 | 186 | - |
| Station | Date | Daily Max Temp (°F) | Time of Max Temp | Daily Min Temp (°F) | Time of Min Temp | Dew Pt (°F) | RH (%) | Daily 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) | 1/7/26 | 61.5 2.9 | 1413 | 41.3 2.0 | 1953 | - | - | 100 0 | 52 2 | 2.5 | 18.8 9.5 | 2338 | 0.00 | 19.43 | - | - | 0 |
| Windsor-NW (Ranch 8) | 1/7/26 | 62.3 3.0 | 1329 | 44.1 3.4 | 0750 | 44.8 3.4 | 78 | 88 8 | 59 1 | 0.0 | 0.1 0.0 | 1011 | 0.00 | 23.45 | 0.046 0.002 | 215 12 | - |
| Windsor-East (Ranch 16) | 1/7/26 | 62.6 2.9 | 1255 | 39.8 2.2 | 2001 | 43.9 4.7 | 81 | 100 0 | 51 1 | 2.7 | 15.7 6.7 | 1647 | 0.00 | 17.32 | 0.056 0.006 | 216 14 | 0 |
| Mark West-North (Ranch 14) | 1/7/26 | 64.0 1.3 | 1426 | 43.2 0.0 | 0740 | 43.7 4.8 | 76 | 98 0 | 46 6 | 1.3 | 8.7 1.4 | 1631 | 0.00 | 18.96 | 0.013 0.006 | 0 0 | 0 |
| Windsor-SE (Silk Rd) | 1/7/26 | 62.3 0.8 | 1354 | 40.9 1.2 | 0652 | 44.1 4.9 | 81 | 100 0 | 50 5 | 2.3 | 12.9 4.0 | 1404 | 0.00 | 15.29 | 0.055 0.010 | 236 33 | 0 |
| Fulton-NW (Ranch 5) | 1/7/26 | 61.0 2.4 | 1432 | 41.6 1.4 | 0732 | 36.5 7.7 | 70 | 100 0 | 3 0 | 2.9 | 14.9 6.2 | 1524 | 0.00 | 18.91 | 0.056 0.012 | 226 41 | 0 |
| Windsor-South (Laughlin Rd) | 1/7/26 | 62.5 2.5 | 1409 | 44.1 1.4 | 0747 | 41.7 5.9 | 76 | 100 0 | 0 0 | - | - | - | 0.00 | 18.80 | - | - | - |
| Fulton-SE (Barnes Rd) | 1/7/26 | 61.4 1.1 | 1433 | 41.7 1.5 | 0739 | 45.2 4.0 | 83 | 98 0 | 61 2 | 3.1 | 16.7 5.8 | 1526 | 0.00 | 18.16 | - | - | - |
| Fulton-SW (Ranch 21) | 1/7/26 | 61.5 1.8 | 1324 | 43.0 0.9 | 0746 | 13.9 21.1 | 55 | 100 0 | 0 0 | 3.3 | 15.6 6.1 | 1436 | 0.00 | 18.43 | 0.066 0.013 | 268 56 | - |
| Santa Rosa-NW (Goldfields) | 1/7/26 | 64.5 1.5 | 1408 | 42.9 1.0 | 0742 | 45.1 4.7 | 81 | 100 0 | 52 1 | 3.2 | 16.8 6.4 | 2356 | 0.00 | 19.41 | 0.056 0.007 | 226 35 | - |
| Goldfields Remote | 1/7/26 | 62.3 1.7 | 1343 | 42.3 0.7 | 0740 | - | - | - | - | - | - | - | - | - | - | - | 0 |
| NW Santa Rosa (Piner Road) | 1/7/26 | 61.2 1.2 | 1347 | 41.2 2.1 | 0728 | 46.4 4.3 | 88 | 100 0 | 61 8 | 1.9 | 11.7 5.2 | 1315 | 0.00 | 16.64 | - | - | - |
| River Rd South (Denner Ranch) | 1/7/26 | 60.8 3.5 | 1254 | 44.2 1.2 | 0822 | 45.3 5.1 | 82 | 100 0 | 55 5 | 4.3 | 19.5 10.1 | 1427 | - | - | - | - | - |
| West Santa Rosa (LOV Vineyard) | 1/7/26 | 61.4 1.5 | 1256 | 42.7 1.4 | 0744 | 44.4 4.5 | 80 | 100 2 | 55 5 | 2.4 | 14.3 5.9 | 1521 | 0.10 | 13.99 | 0.019 0.013 | 0 0 | 0 |
| Guerneville Rd (Prokopakis) | 1/7/26 | 60.5 1.1 | 1307 | 45.0 1.3 | 0701 | 45.4 4.4 | 80 | 99 0 | 57 4 | - | - | - | 0.00 | 17.46 | - | - | - |
| Guerneville Rd West (Balletto) | 1/7/26 | 60.3 1.6 | 1406 | 42.0 2.2 | 0715 | 46.2 3.8 | 85 | 100 0 | 63 4 | 3.3 | 15.5 6.2 | 1436 | 0.00 | 17.40 | - | - | - |
| Sanchietti Ranch | 1/7/26 | 60.9 0.9 | 1420 | 43.1 0.9 | 0748 | 47.3 3.4 | - | 100 0 | 69 5 | 3.3 | 16.4 8.9 | 1521 | 0.00 | 18.31 | - | - | - |
| Occidental Rd (Sebastopol) | 1/7/26 | 61.3 1.4 | 1325 | 42.2 0.7 | 0650 | 50.8 0.2 | 100 | 100 0 | 100 33 | 3.3 | 17.3 7.2 | 1608 | 0.01 | 6.67 | - | - | - |
| Lower Westside Rd (Ranch 12) | 1/7/26 | 67.2 2.7 | 1120 | 43.3 2.7 | 0728 | 43.7 5.7 | 75 | 100 0 | 41 3 | 0.8 | 7.8 2.5 | 1543 | 0.00 | 22.83 | - | - | 0 |
| Guerneville (Laughlin Rd) | 1/7/26 | 62.2 0.0 | 1155 | 41.9 6.4 | 1936 | 45.1 5.5 | 86 | 99 0 | 55 5 | 1.5 | 15.3 10.8 | 1420 | 0.01 | 30.81 | - | - | - |
| Korbel (Winery) | 1/7/26 | 60.6 0.5 | 1217 | 43.6 4.9 | 2227 | 45.7 4.9 | 87 | 100 0 | 57 10 | 1.8 | 20.0 13.7 | 2337 | 0.00 | 28.35 | - | - | - |
| Forestville (Shone Farms) | 1/7/26 | 61.9 2.0 | 1405 | 44.5 0.5 | 2235 | 44.9 4.5 | 80 | 98 0 | 57 1 | 2.6 | 14.8 7.3 | 1301 | 0.01 | 24.12 | 0.057 0.014 | 235 50 | 0 |
| Forestville-NE (Ranch 30) | 1/7/26 | 63.1 7.7 | 1122 | 42.6 2.9 | 2256 | 46.1 4.2 | 86 | 100 0 | 58 11 | 2.9 | 15.8 8.1 | 1449 | 0.00 | 22.40 | 0.058 0.014 | 246 47 | - |
| Green Valley Vineyard | 1/7/26 | 60.7 2.7 | 1400 | 43.0 2.0 | 0722 | 44.2 4.8 | 80 | 98 0 | 58 3 | 3.5 | 21.9 15.3 | 2320 | 0.00 | 27.18 | 0.020 0.014 | 0 1 | - |
| Green Valley (Sanchietti) | 1/7/26 | 61.4 3.3 | 1433 | 42.9 2.8 | 0736 | - | - | - | - | - | - | - | - | - | - | - | - |
| Keefer Ranch (Green Valley) | 1/7/26 | 60.8 1.1 | 1349 | 41.7 2.3 | 0728 | 45.7 4.1 | 86 | 100 0 | 65 1 | - | - | - | 0.00 | 24.46 | - | - | - |
| Graton-South (Mill Station Rd) | 1/7/26 | 59.9 2.4 | 1336 | 41.5 2.2 | 0718 | 44.9 4.5 | 84 | 100 0 | 58 5 | 1.2 | 11.7 7.6 | 2307 | 0.00 | 21.63 | - | - | 0 |
| Occidental (Horseshoe Bend) | 1/7/26 | 57.5 3.3 | 1321 | 43.8 3.8 | 0744 | 44.3 4.3 | - | 97 3 | 62 3 | - | - | - | 0.04 | 15.44 | - | - | - |
| Sexton Valley (Jacqueline's Blk) | 1/7/26 | 59.6 1.2 | 1242 | 41.2 2.4 | 0733 | 45.6 3.8 | 87 | 100 0 | 65 5 | 2.0 | 13.3 6.8 | 2331 | 0.01 | 7.04 | - | - | - |
| Sebastopol Hills (Burnside Rd) | 1/7/26 | 57.6 2.0 | 1240 | 45.9 0.7 | 0732 | 45.5 4.1 | 83 | 98 2 | 69 3 | 3.2 | 14.8 7.4 | 2357 | 0.00 | 21.46 | - | - | - |
| Seaview/Fort Ross (Hirsch) | 1/7/26 | 51.0 5.0 | 1207 | 40.1 5.5 | 2358 | 42.1 4.5 | 89 | 97 0 | 76 1 | 5.1 | 16.3 1.1 | 2023 | 0.03 | 37.55 | 0.034 0.000 | 191 24 | - |
| Max | 67.2 | - | 45.9 | - | 50.8 | 100 | 100 | 100 | 5.1 | 21.9 | - | 0.10 | 37.55 | 0.066 | 268 | - | |
| Avg | - | - | - | - | 43.6 | 81 | - | - | 2.6 | - | - | - | - | - | - | - | |
| Min | 51.0 | - | 39.8 | - | 13.9 | 55 | 88 | 0 | 0.0 | 0.1 | - | 0.00 | 6.67 | 0.013 | 0 | - |
| Station | Date | Daily Max Temp (°F) | Time of Max Temp | Daily Min Temp (°F) | Time of Min Temp | Dew Pt (°F) | Daily 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 | 1/7/26 | 58.1 2.6 | 1327 | 43.4 3.5 | 2005 | 42.3 4.3 | 96 0 | 59 0 | 2.2 0.6 | 12.5 2.5 | 1708 | NW | 318 | 0.00 | 5.41 | 0.054 0.017 | 245 92 | - |
| Lower Bennett Valley | 1/7/26 | 60.0 1.8 | 1321 | 39.4 2.4 | 0737 | 44.0 4.6 | 100 0 | 58 2 | 2.8 0.9 | 15.7 6.7 | 1444 | WNW | 302 | 0.00 | 17.51 | 0.050 0.004 | 215 24 | 0 0 |
| Kenwood (Wildwood) | 1/7/26 | 59.5 2.6 | 1340 | 42.3 2.9 | 0726 | 44.6 4.0 | 100 0 | 59 4 | 3.3 1.4 | 19.7 9.9 | 1716 | NNW | 335 | 0.00 | 21.09 | 0.049 0.010 | 228 62 | - |
| Sonoma Valley (Bedrock) | 1/7/26 | 60.4 2.5 | 1354 | 44.0 3.6 | 1952 | 43.3 4.1 | 98 1 | 54 3 | - | - | - | - | 0.02 | 9.18 | - | - | - |
| Sonoma-West (Arnold) | 1/7/26 | 60.6 3.3 | 1312 | 42.4 0.0 | 0732 | 45.0 3.3 | 100 0 | 55 3 | 3.7 2.4 | 18.3 9.7 | 1252 | W | 272 | 0.08 | 14.21 | 0.059 0.001 | 252 1 | - |
| Sonoma Valley HS | 1/7/26 | 60.9 1.4 | 1329 | 43.0 1.1 | 0748 | 46.7 3.1 | 100 0 | 61 3 | 2.4 1.5 | 9.9 3.6 | 1958 | SW | 221 | 0.02 | 4.97 | 0.053 0.005 | 248 22 | - |
| Sonoma East (Bundschu01) | 1/7/26 | 61.3 1.5 | 1324 | 41.4 1.0 | 0742 | 44.6 2.8 | 98 1 | 53 3 | 4.0 1.9 | 18.2 5.9 | 1456 | W | 268 | 0.00 | 11.63 | 0.065 0.011 | 270 35 | - |
| Schellville (Sasaki) | 12/29/25 | 59.7 | 1210 | 33.9 | 2316 | 38.2 | 97 | 42 | 1.3 | 9.5 | 1437 | NNE | 20 | 0.00 | 0.00 | - | - | 0 |
| Sonoma-SE (Napoli) | 1/7/26 | 61.8 5.4 | 1311 | 42.6 1.2 | 0740 | 44.8 3.1 | 96 0 | 52 2 | 4.1 3.1 | 17.8 8.4 | 2010 | W | 267 | 0.00 | 10.94 | - | - | 0 0 |
| Ricci Vineyards (Carneros) | 1/7/26 | 60.0 3.1 | 1250 | 44.8 0.9 | 0737 | 45.4 2.6 | 98 0 | 58 1 | 6.6 4.3 | 20.4 11.7 | 2007 | WNW | 286 | 0.00 | 13.94 | 0.066 0.014 | 269 36 | - |
| Carneros (Ranch 71) | 1/7/26 | 59.5 2.4 | 1315 | 46.4 0.8 | 0724 | 45.0 3.2 | 97 0 | 56 5 | 7.7 4.6 | 28.8 17.5 | 2022 | W | 261 | 0.00 | 11.98 | 0.063 0.010 | 255 18 | 0 0 |
| Carneros Upper (Ranch 81) | 1/7/26 | 59.9 4.8 | 1327 | 46.7 0.4 | 0724 | 33.6 14.2 | - | - | 7.1 2.8 | 26.4 14.2 | 1500 | W | 261 | - | - | - | - | - |
| Carneros Lower (Ranch 81) | 1/7/26 | 60.4 2.3 | 1346 | 43.3 0.2 | 0752 | 38.0 12.8 | 100 0 | 0 0 | 1.7 0.2 | 13.7 3.4 | 1313 | WNW | 292 | 0.00 | 12.79 | 0.039 0.001 | 146 16 | - |
| Rohnert Park-West (Stony Point) | 1/7/26 | 59.0 3.4 | 1248 | 41.8 1.1 | 0709 | 46.1 2.9 | 100 0 | 65 4 | 3.6 2.4 | 15.9 8.0 | 1500 | W | 274 | 0.00 | 1.57 | - | - | - |
| Cartograph Wines Base | 1/7/26 | 57.6 3.5 | 1202 | 46.2 1.5 | 0744 | 46.8 3.3 | 97 3 | 68 6 | 5.1 3.1 | 18.9 9.3 | 1409 | SW | 233 | 0.00 | 17.42 | 0.048 0.008 | 238 35 | - |
| Cartograph Wines Remote | 1/7/26 | 58.2 3.0 | 1209 | 40.7 0.6 | 0726 | - | - | - | - | - | - | - | - | - | - | - | - |
| Rice-Spivak Vineyard | 1/7/26 | 59.0 4.3 | 1205 | 37.6 1.1 | 0730 | - | - | - | - | - | - | - | - | - | - | - | - |
| Penngrove (Asellus) | 1/7/26 | 59.9 2.3 | 1230 | 41.4 1.0 | 0726 | 44.5 3.3 | 98 0 | 55 9 | 2.2 0.7 | 14.8 2.3 | 1456 | WSW | 258 | 0.00 | 15.11 | - | - | 0 0 |
| Roger's Creek (Ranch 50) | 1/7/26 | 56.9 4.1 | 1306 | 45.0 3.4 | 2328 | 44.5 3.5 | 100 0 | 61 3 | 5.6 2.8 | 20.4 11.0 | 1410 | W | 276 | 0.00 | 14.80 | 0.056 0.014 | 263 69 | 0 0 |
| Petaluma (Ranch 10) | 1/7/26 | 61.7 2.7 | 1234 | 44.3 0.1 | 0628 | 45.3 3.5 | 100 0 | 54 7 | 3.6 2.7 | 17.8 11.2 | 1453 | WSW | 250 | 0.01 | 11.56 | 0.054 0.014 | 212 38 | 0 0 |
| Max | 61.8 | - | 46.7 | - | 46.8 | 100 | 68 | 7.7 | 28.8 | - | - | 0.08 | 21.09 | 0.066 | 270 | - | |
| Avg | - | - | - | - | 43.8 | - | - | 4.1 | - | - | - | - | - | - | - | - | |
| Min | 56.9 | - | 37.6 | - | 33.6 | 96 | 0 | 1.7 | 9.9 | - | - | 0.00 | 1.57 | 0.039 | 146 | - |