| 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) | 1/6/26 | 59.7 12.0 | 1321 | 47.1 3.1 | 0123 | 47.2 1.4 | 89 | 100 0 | 57 39 | 2.9 | 11.6 7.5 | 2350 | WNW | 299 | 0.02 | 28.82 | - | - | 0 0 |
| Rockpile Upper (Cooley) | 1/6/26 | 54.9 9.6 | 1305 | 43.8 3.0 | 0635 | 45.7 2.5 | 95 | 100 0 | 62 38 | 6.8 | 20.8 16.7 | 0020 | SE | 139 | 0.03 | 29.54 | 0.039 0.037 | 191 179 | 0 0 |
| Cloverdale-East (Ranch 83) | 1/6/26 | 64.0 12.6 | 1437 | 46.2 0.4 | 0439 | 17.3 2.7 | - | - | - | 2.0 | 10.6 12.4 | 0802 | NNW | 342 | 0.01 | 25.01 | 0.057 0.041 | 202 194 | 0 0 |
| Cloverdale-SE (Ranch 38) | 1/6/26 | 63.9 12.5 | 1405 | 47.3 1.8 | 0746 | 49.1 1.7 | 88 | 99 1 | 57 31 | 3.4 | 14.7 10.2 | 0833 | N | 0 | 0.01 | 26.49 | 0.043 0.040 | 187 179 | 0 0 |
| Geyserville-North (Hoffman) | 1/6/26 | 63.4 | 1452 | 46.2 | 0752 | 50.1 | 83 | 97 | 57 | 1.6 | 12.1 | 1057 | SE | 143 | 0.00 | 0.00 | 0.040 | 164 | 0 |
| Geyserville (Ranch 3) | 1/6/26 | 62.4 10.3 | 1422 | 45.6 2.0 | 0749 | 50.0 0.7 | 91 | 100 0 | 55 33 | 1.6 | 7.2 7.7 | 1212 | SE | 140 | 0.02 | 25.44 | 0.040 0.038 | 173 165 | 0 0 |
| Geyserville-East (Ranch 40) | 1/6/26 | 64.6 12.6 | 1515 | 47.1 0.7 | 0621 | 49.2 1.7 | 88 | 100 0 | 57 30 | 3.3 | 12.4 30.9 | 0001 | S | 173 | 0.01 | 25.86 | 0.045 0.038 | 196 188 | 0 0 |
| Geyserville-South (Nervo Station) | 1/6/26 | 62.4 11.1 | 1431 | 47.0 0.2 | 0733 | - | - | - | - | 1.2 | 10.5 4.7 | 2335 | W | 271 | 0.02 | 19.33 | - | - | 0 0 |
| Jimtown-North (Piccolo Ranch 15) | 1/6/26 | 63.0 9.9 | 1525 | 43.6 3.9 | 0746 | 48.7 0.6 | 88 | 100 0 | 51 28 | 0.9 | 7.2 9.9 | 1338 | SW | 217 | 0.01 | 23.61 | 0.037 0.031 | 165 155 | 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) | 1/6/26 | 65.0 12.7 | 1344 | 43.3 4.6 | 0812 | 49.2 0.8 | 89 | 100 3 | 52 35 | 1.0 | 5.8 9.3 | 0156 | E | 90 | 0.01 | 22.79 | 0.035 0.028 | 139 128 | 0 0 |
| N Chalk Hill Rd (Ranch 63) | 1/6/26 | 61.8 10.5 | 1338 | 44.1 2.8 | 0750 | 48.6 1.0 | 90 | 100 0 | 57 30 | 1.2 | 7.6 6.3 | 1312 | S | 172 | 0.02 | 24.15 | 0.035 0.030 | 153 142 | - |
| Knights Valley (Bavarian Lion) | 1/6/26 | 63.2 11.6 | 1257 | 42.0 5.3 | 0755 | 47.7 0.5 | 87 | 98 2 | 53 31 | 1.3 | 8.6 7.1 | 0005 | SSW | 197 | 0.00 | 22.62 | 0.041 0.031 | 171 152 | - |
| Upper Dry Creek Valley | 1/6/26 | 64.0 12.9 | 1341 | 45.7 2.0 | 0746 | 49.6 1.6 | 90 | 98 0 | 52 40 | 1.0 | 8.0 8.9 | 1213 | SSE | 152 | 0.02 | 27.46 | 0.043 0.040 | 188 179 | - |
| Lower Dry Creek Valley | 1/6/26 | 68.1 16.3 | 1408 | 44.9 2.6 | 0747 | 49.7 0.2 | 92 | 100 0 | 45 47 | 0.4 | 5.5 12.8 | 0547 | NW | 322 | 0.01 | 27.06 | 0.036 0.034 | 158 149 | 0 0 |
| Max | 68.1 | - | 47.3 | - | 50.1 | 95 | 100 | 62 | 6.8 | 20.8 | - | - | 0.03 | 29.54 | 0.057 | 202 | - | |
| Avg | - | - | - | - | 46.3 | 89 | - | - | 2.0 | - | - | - | - | - | - | - | - | |
| Min | 54.9 | - | 42.0 | - | 17.3 | 83 | 97 | 45 | 0.4 | 5.5 | - | - | 0.00 | 0.00 | 0.035 | 139 | - |
| 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) | 1/6/26 | 64.5 11.4 | 1345 | 43.2 4.4 | 0752 | - | - | 100 0 | 54 31 | 0.4 | 9.3 7.8 | 0844 | 0.01 | 19.43 | - | - | 0 |
| Windsor-NW (Ranch 8) | 1/6/26 | 65.3 12.9 | 1234 | 47.6 0.1 | 0735 | 48.3 2.1 | 82 | 96 7 | 60 24 | 0.0 | 0.1 9.9 | 2357 | 0.01 | 23.45 | 0.044 0.041 | 203 192 | - |
| Windsor-East (Ranch 16) | 1/6/26 | 65.5 12.2 | 1328 | 42.0 6.7 | 0753 | 48.6 0.0 | 84 | 100 4 | 50 33 | 1.8 | 9.0 11.0 | 1356 | 0.00 | 17.32 | 0.050 0.039 | 202 184 | 0 |
| Mark West-North (Ranch 14) | 1/6/26 | 65.3 12.7 | 1411 | 43.2 5.6 | 0729 | 48.5 0.4 | 84 | 98 2 | 52 31 | 0.9 | 7.3 8.0 | 0934 | 0.00 | 18.96 | 0.007 0.001 | 0 0 | 0 |
| Windsor-SE (Silk Rd) | 1/6/26 | 63.1 10.5 | 1443 | 42.1 4.9 | 0755 | 49.0 0.5 | 89 | 100 1 | 55 34 | 1.3 | 8.9 9.3 | 0857 | 0.01 | 15.29 | 0.045 0.038 | 203 184 | 0 |
| Fulton-NW (Ranch 5) | 1/6/26 | 63.5 10.4 | 1236 | 43.0 5.1 | 0740 | 44.2 4.9 | 81 | 100 4 | 3 84 | 1.6 | 8.7 14.1 | 0859 | 0.00 | 18.91 | 0.044 0.032 | 186 160 | 0 |
| Windsor-South (Laughlin Rd) | 1/6/26 | 65.0 12.2 | 1358 | 45.5 2.0 | 0742 | 47.6 0.5 | 83 | 100 7 | 0 84 | - | - | - | 0.00 | 18.80 | - | - | - |
| Fulton-SE (Barnes Rd) | 1/6/26 | 62.5 8.9 | 1321 | 43.3 6.3 | 0751 | 49.2 0.2 | 86 | 98 3 | 64 22 | 1.4 | 10.9 8.8 | 0001 | 0.01 | 18.16 | - | - | - |
| Fulton-SW (Ranch 21) | 1/6/26 | 63.4 10.5 | 1402 | 43.9 4.5 | 0734 | 35.0 13.4 | 74 | 100 6 | 0 84 | 1.8 | 9.4 13.8 | 0909 | 0.00 | 18.43 | 0.053 0.038 | 212 183 | - |
| Santa Rosa-NW (Goldfields) | 1/6/26 | 66.0 | 1339 | 43.9 | 0750 | 49.8 | 81 | 100 | 53 | 2.0 | 23.2 | 0903 | 2.00 | 19.41 | 0.049 | 191 | - |
| Goldfields Remote | 1/6/26 | 64.0 10.8 | 1351 | 43.0 6.3 | 0743 | - | - | - | - | - | - | - | - | - | - | - | 0 |
| NW Santa Rosa (Piner Road) | 1/6/26 | 62.4 9.2 | 1420 | 43.3 5.5 | 0748 | 50.6 0.6 | 94 | 100 0 | 69 26 | 0.9 | 6.5 12.2 | 1213 | 0.00 | 16.64 | - | - | - |
| River Rd South (Denner Ranch) | 1/6/26 | 64.4 11.5 | 1305 | 45.4 1.9 | 0803 | 50.4 0.5 | 92 | 100 0 | 60 38 | 2.4 | 9.4 19.9 | 0926 | - | - | - | - | - |
| West Santa Rosa (LOV Vineyard) | 1/6/26 | 62.8 9.9 | 1323 | 44.1 3.8 | 0803 | 48.9 0.4 | 88 | 98 2 | 60 27 | 1.2 | 8.5 5.9 | 0937 | 0.09 | 13.89 | 0.006 0.003 | 0 0 | 0 |
| Guerneville Rd (Prokopakis) | 1/6/26 | 61.6 8.4 | 1404 | 46.3 2.2 | 0746 | 49.8 0.1 | 89 | 99 2 | 61 25 | - | - | - | 0.00 | 17.46 | - | - | - |
| Guerneville Rd West (Balletto) | 1/6/26 | 62.0 8.6 | 1354 | 44.2 4.2 | 0755 | 50.0 0.3 | 92 | 100 2 | 67 21 | 1.6 | 9.3 9.6 | 1026 | 0.00 | 17.40 | - | - | - |
| Sanchietti Ranch | 1/6/26 | 61.8 7.6 | 1425 | 44.0 6.0 | 0748 | 50.8 0.2 | - | 100 3 | 74 15 | 1.5 | 7.5 16.6 | 0950 | 0.00 | 18.31 | - | - | - |
| Occidental Rd (Sebastopol) | 1/6/26 | 62.7 10.4 | 1402 | 43.0 3.1 | 0803 | 51.0 0.5 | 96 | 100 0 | 67 19 | 1.4 | 10.1 8.1 | 1223 | 0.01 | 6.66 | - | - | - |
| Lower Westside Rd (Ranch 12) | 1/6/26 | 69.9 17.5 | 1419 | 46.0 1.9 | 0746 | 49.3 0.3 | 86 | 100 0 | 44 46 | 0.4 | 5.2 9.6 | 0858 | 0.01 | 22.83 | - | - | 0 |
| Guerneville (Laughlin Rd) | 1/6/26 | 62.2 10.0 | 1158 | 48.3 0.8 | 0814 | 50.6 1.2 | 94 | 98 0 | 60 31 | 0.7 | 4.5 8.1 | 0451 | 0.01 | 30.80 | - | - | - |
| Korbel (Winery) | 1/6/26 | 60.1 7.6 | 1245 | 48.5 0.9 | 0835 | 50.6 1.3 | 94 | 100 2 | 66 24 | 0.7 | 6.3 8.8 | 1250 | 0.01 | 28.35 | - | - | - |
| Forestville (Shone Farms) | 1/6/26 | 63.9 9.8 | 1458 | 44.0 2.8 | 0741 | 49.4 0.0 | 88 | 98 0 | 56 35 | 2.0 | 7.5 15.6 | 0907 | 0.00 | 24.11 | 0.043 0.037 | 185 172 | 0 |
| Forestville-NE (Ranch 30) | 1/6/26 | 70.8 19.2 | 1451 | 45.5 0.2 | 0739 | 50.3 0.7 | 92 | 100 0 | 47 49 | 1.4 | 7.7 15.7 | 1207 | 0.00 | 22.40 | 0.044 0.040 | 199 184 | - |
| Green Valley Vineyard | 1/6/26 | 63.4 11.5 | 1424 | 44.9 1.0 | 0742 | 49.0 0.2 | 89 | 99 0 | 55 40 | 1.7 | 6.6 7.5 | 1200 | 0.01 | 27.18 | 0.006 0.004 | 1 1 | - |
| Green Valley (Sanchietti) | 1/6/26 | 64.7 11.7 | 1352 | 45.7 1.3 | 0743 | - | - | - | - | - | - | - | - | - | - | - | - |
| Keefer Ranch (Green Valley) | 1/6/26 | 61.8 9.3 | 1417 | 44.0 0.8 | 0745 | 49.8 0.3 | 93 | 100 0 | 66 30 | - | - | - | 0.01 | 24.46 | - | - | - |
| Graton-South (Mill Station Rd) | 1/6/26 | 62.3 10.0 | 1402 | 43.7 0.6 | 0752 | 49.4 0.4 | 93 | 100 0 | 63 32 | 0.1 | 4.1 7.1 | 1150 | 0.01 | 21.63 | - | - | 0 |
| Occidental (Horseshoe Bend) | 1/6/26 | 60.8 9.0 | 1541 | 47.6 1.3 | 0722 | 48.5 1.2 | - | 100 0 | 60 36 | - | - | - | 0.06 | 15.40 | - | - | - |
| Sexton Valley (Jacqueline's Blk) | 1/6/26 | 60.8 7.8 | 1548 | 43.6 1.3 | 0801 | 49.4 0.7 | 94 | 100 0 | 70 26 | 0.6 | 6.5 6.4 | 1200 | 0.00 | 7.03 | - | - | - |
| Sebastopol Hills (Burnside Rd) | 1/6/26 | 59.6 8.4 | 1300 | 46.6 1.1 | 0645 | 49.5 0.2 | 92 | 100 0 | 72 24 | 1.2 | 7.5 4.6 | 0948 | 0.00 | 21.46 | - | - | - |
| Seaview/Fort Ross (Hirsch) | 12/31/25 | 57.8 3.0 | 0451 | 46.7 2.8 | 2348 | 37.5 3.5 | 65 | 97 39 | 27 5 | 9.4 | 23.5 5.9 | 1500 | 0.94 | 29.34 | 0.050 0.020 | 45 154 | - |
| Max | 70.8 | - | 48.5 | - | 51.0 | 96 | 100 | 74 | 2.4 | 23.2 | - | 2.00 | 30.80 | 0.053 | 212 | - | |
| Avg | - | - | - | - | 48.8 | 88 | - | - | 1.2 | - | - | - | - | - | - | - | |
| Min | 59.6 | - | 42.0 | - | 35.0 | 74 | 96 | 0 | 0.0 | 0.1 | - | 0.00 | 6.66 | 0.006 | 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 | 1/6/26 | 60.7 10.2 | 1343 | 46.9 0.4 | 0001 | 46.6 0.4 | 96 1 | 59 25 | 1.6 4.4 | 10.0 12.0 | 0953 | NW | 306 | 0.00 | 5.41 | 0.037 0.025 | 153 125 | - |
| Lower Bennett Valley | 1/6/26 | 61.9 9.1 | 1432 | 41.8 7.3 | 0755 | 48.5 0.2 | 100 5 | 59 23 | 1.9 4.0 | 9.1 12.6 | 0005 | NW | 305 | 0.00 | 17.51 | 0.046 0.030 | 192 158 | 0 0 |
| Kenwood (Wildwood) | 1/6/26 | 62.1 9.8 | 1321 | 45.2 0.7 | 0740 | 48.6 0.2 | 100 0 | 55 29 | 1.8 2.9 | 9.9 11.1 | 1153 | S | 174 | 0.01 | 21.09 | 0.039 0.027 | 166 128 | - |
| Sonoma Valley (Bedrock) | 1/6/26 | 62.8 10.7 | 1231 | 40.5 4.0 | 0755 | 47.4 0.2 | 98 0 | 56 28 | - | - | - | - | 0.03 | 9.16 | - | - | - |
| Sonoma-West (Arnold) | 1/6/26 | 63.9 10.1 | 1240 | 42.4 3.9 | 0800 | 48.3 1.0 | 100 0 | 57 27 | 1.3 1.9 | 8.6 8.0 | 1313 | S | 186 | 0.32 | 14.13 | 0.058 0.045 | 252 212 | - |
| Sonoma Valley HS | 1/6/26 | 62.4 8.6 | 1335 | 44.1 3.5 | 0759 | 49.8 1.0 | 100 0 | 65 24 | 0.9 2.0 | 6.3 6.1 | 1517 | S | 171 | 0.02 | 4.95 | 0.048 0.040 | 226 196 | - |
| Sonoma East (Bundschu01) | 1/6/26 | 62.8 8.3 | 1342 | 42.5 5.1 | 2157 | 47.4 1.0 | 97 0 | 57 22 | 2.2 4.9 | 12.3 11.6 | 0421 | NE | 44 | 0.00 | 0.14 | 0.054 0.033 | 235 203 | - |
| 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) | 1/6/26 | 67.2 12.5 | 1323 | 43.8 4.5 | 2216 | 47.8 0.8 | 96 2 | 50 30 | 1.0 3.3 | 9.5 6.0 | 0026 | E | 93 | 0.01 | 10.94 | - | - | 0 0 |
| Ricci Vineyards (Carneros) | 1/6/26 | 63.1 8.8 | 1255 | 43.9 4.0 | 0733 | 48.0 0.9 | 98 1 | 57 23 | 2.3 4.2 | 8.7 10.5 | 1349 | S | 177 | 0.03 | 13.94 | 0.052 0.033 | 233 193 | - |
| Carneros (Ranch 71) | 1/6/26 | 61.9 8.4 | 1401 | 47.2 1.7 | 0746 | 48.2 0.1 | 97 2 | 62 19 | 3.2 5.3 | 11.3 11.2 | 0423 | NE | 38 | 0.01 | 11.98 | 0.053 0.033 | 238 206 | 0 0 |
| Carneros Upper (Ranch 81) | 1/6/26 | 64.7 11.0 | 1339 | 47.1 0.9 | 0758 | 47.8 10.2 | - | - | 4.3 4.4 | 12.2 8.1 | 1105 | N | 3 | - | - | - | - | - |
| Carneros Lower (Ranch 81) | 1/6/26 | 62.7 8.8 | 1338 | 43.5 3.8 | 0724 | 25.2 13.1 | 100 0 | 0 0 | 1.5 2.1 | 10.3 5.8 | 1353 | SSE | 159 | 0.02 | 12.79 | 0.038 0.020 | 130 106 | - |
| Rohnert Park-West (Stony Point) | 1/6/26 | 62.4 9.8 | 1453 | 42.9 4.8 | 0737 | 49.0 1.2 | 100 1 | 69 23 | 1.3 6.2 | 7.9 13.4 | 0001 | E | 97 | 0.00 | 1.57 | - | - | - |
| Cartograph Wines Base | 1/6/26 | 61.1 9.3 | 1459 | 44.6 3.1 | 0710 | 50.2 0.1 | 100 0 | 75 21 | 2.0 4.8 | 9.6 10.9 | 0933 | NW | 314 | 0.00 | 17.42 | 0.040 0.033 | 203 173 | - |
| Cartograph Wines Remote | 1/6/26 | 61.3 8.6 | 1203 | 41.2 3.8 | 0722 | - | - | - | - | - | - | - | - | - | - | - | - |
| Rice-Spivak Vineyard | 1/6/26 | 63.3 10.8 | 1515 | 38.7 6.0 | 0744 | - | - | - | - | - | - | - | - | - | - | - | - |
| Penngrove (Asellus) | 1/6/26 | 62.2 8.6 | 1332 | 42.4 7.2 | 0641 | 47.8 1.0 | 98 3 | 64 18 | 1.5 9.4 | 12.5 12.8 | 0004 | ESE | 118 | 0.00 | 0.10 | - | - | 0 0 |
| Roger's Creek (Ranch 50) | 1/6/26 | 61.0 9.5 | 1534 | 48.4 0.5 | 0800 | 48.0 0.3 | 100 0 | 63 21 | 2.8 4.4 | 9.4 9.5 | 0926 | W | 275 | 0.00 | 14.80 | 0.042 0.031 | 194 158 | 0 0 |
| Petaluma (Ranch 10) | 1/6/26 | 64.3 11.6 | 1255 | 44.4 3.6 | 2037 | 48.8 1.1 | 100 0 | 61 30 | 0.9 3.0 | 6.6 3.2 | 1513 | SSE | 164 | 0.01 | 11.55 | 0.040 0.029 | 174 140 | 0 0 |
| Max | 67.2 | - | 48.4 | - | 50.2 | 100 | 75 | 4.3 | 12.5 | - | - | 0.32 | 21.09 | 0.058 | 252 | - | |
| Avg | - | - | - | - | 46.9 | - | - | 1.9 | - | - | - | - | - | - | - | - | |
| Min | 60.7 | - | 38.7 | - | 25.2 | 96 | 0 | 0.9 | 6.3 | - | - | 0.00 | 0.10 | 0.037 | 130 | - |