| 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) | 1/9/26 | 65.5 12.2 | 1428 | 40.1 2.7 | 0356 | 32.1 1.0 | 53 | 79 4 | 21 21 | 2.2 | 13.1 13.5 | 0242 | NNW | 348 | 0.00 | 28.82 | - | - | 0 0 |
| Rockpile Upper (Cooley) | 1/9/26 | 60.9 12.6 | 1524 | 38.6 4.5 | 0413 | 26.5 5.7 | 44 | 71 22 | 20 29 | 5.3 | 23.0 22.3 | 0228 | N | 353 | 0.00 | 29.56 | 0.081 0.024 | 282 4 | 0 0 |
| Cloverdale-East (Ranch 83) | 1/9/26 | 64.1 8.7 | 1546 | 32.4 3.6 | 2338 | 34.2 0.6 | - | - | - | 5.9 | 20.6 3.3 | 0712 | N | 11 | 0.00 | 25.01 | 0.056 0.004 | 237 0 | 0 0 |
| Cloverdale-SE (Ranch 38) | 1/9/26 | 66.5 12.2 | 1507 | 35.9 3.7 | 0537 | 36.5 0.4 | 72 | 91 3 | 34 11 | 8.5 | 25.3 4.5 | 0933 | NNW | 347 | 0.00 | 26.49 | 0.058 0.005 | 239 12 | 0 0 |
| Geyserville-North (Hoffman) | 1/9/26 | 63.8 6.9 | 1444 | 32.8 6.4 | 2303 | 36.1 0.4 | 75 | 96 10 | 37 4 | 2.8 | 12.1 1.7 | 0201 | NW | 315 | 0.00 | 25.50 | 0.053 0.008 | 233 1 | 0 0 |
| Geyserville (Ranch 3) | 1/9/26 | 61.6 5.7 | 1453 | 34.5 5.4 | 2319 | 36.1 1.0 | 76 | 100 14 | 36 3 | 3.4 | 14.5 1.2 | 0212 | W | 267 | 0.00 | 25.44 | 0.051 0.013 | 235 1 | 0 0 |
| Geyserville-East (Ranch 40) | 1/9/26 | 66.4 10.1 | 1424 | 34.4 3.4 | 0637 | 35.9 0.5 | 67 | 94 4 | 37 5 | 3.1 | 12.8 12.9 | 0214 | NNW | 335 | 0.00 | 25.86 | 0.063 0.002 | 258 0 | 0 0 |
| Geyserville-South (Nervo Station) | 1/9/26 | 61.8 4.4 | 1433 | 34.9 5.9 | 0727 | - | - | - | - | 2.1 | 15.2 4.0 | 0552 | WNW | 301 | 0.00 | 19.33 | - | - | 0 0 |
| Jimtown-North (Piccolo Ranch 15) | 1/9/26 | 64.4 7.1 | 1457 | 28.2 6.4 | 0722 | 33.3 0.1 | 75 | 100 10 | 32 2 | 1.2 | 11.6 5.3 | 0129 | W | 267 | 0.00 | 23.62 | 0.043 0.010 | 214 1 | 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) | 1/9/26 | 63.9 4.9 | 1426 | 28.6 5.9 | 0706 | 34.4 0.4 | 81 | 100 4 | 34 9 | 1.4 | 7.2 7.9 | 1222 | WSW | 254 | 0.00 | 22.79 | 0.048 0.005 | 217 2 | 0 0 |
| N Chalk Hill Rd (Ranch 63) | 1/9/26 | 61.6 5.1 | 1437 | 29.8 4.7 | 0702 | 34.5 1.2 | 78 | 100 2 | 38 13 | 1.6 | 10.1 8.0 | 0204 | NW | 310 | 0.00 | 24.15 | 0.047 0.013 | 215 1 | - |
| Knights Valley (Bavarian Lion) | 1/9/26 | 63.6 5.5 | 1454 | 28.3 4.6 | 0720 | 32.0 3.0 | 70 | 97 3 | 26 3 | 2.8 | 21.0 3.7 | 0001 | N | 10 | 0.00 | 22.62 | 0.057 0.011 | 239 1 | - |
| Upper Dry Creek Valley | 1/9/26 | 62.4 6.0 | 1459 | 32.3 5.8 | 0736 | 36.7 1.1 | 76 | 98 4 | 39 3 | 1.5 | 11.6 5.7 | 0320 | WNW | 296 | 0.00 | 27.46 | 0.055 0.007 | 256 1 | - |
| Lower Dry Creek Valley | 1/9/26 | 63.0 4.6 | 1303 | 31.2 6.1 | 0716 | 36.5 1.1 | 81 | 100 0 | 35 1 | 2.0 | 11.1 9.6 | 0102 | NW | 323 | 0.00 | 27.06 | 0.051 0.015 | 233 1 | 0 0 |
| Max | 66.5 | - | 40.1 | - | 36.7 | 81 | 100 | 39 | 8.5 | 25.3 | - | - | 0.00 | 29.56 | 0.081 | 282 | - | |
| Avg | - | - | - | - | 34.2 | 71 | - | - | 3.1 | - | - | - | - | - | - | - | - | |
| Min | 60.9 | - | 28.2 | - | 26.5 | 44 | 71 | 20 | 1.2 | 7.2 | - | - | 0.00 | 19.33 | 0.043 | 214 | - |
| 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) | 1/9/26 | 61.6 3.7 | 1406 | 31.4 6.6 | 0744 | - | - | 98 11 | 38 4 | 1.6 | 13.8 3.4 | 0424 | 0.00 | 19.43 | - | - | 0 |
| Windsor-NW (Ranch 8) | 1/9/26 | 64.2 5.4 | 1347 | 34.6 6.4 | 0729 | 37.6 0.4 | 76 | 88 2 | 44 3 | 1.0 | 8.0 19.1 | 0105 | 0.00 | 23.45 | 0.052 0.008 | 241 1 | - |
| Windsor-East (Ranch 16) | 1/9/26 | 60.6 2.9 | 1412 | 31.4 4.0 | 0714 | 34.9 0.3 | 73 | 100 8 | 39 6 | 2.0 | 14.7 7.5 | 0329 | 0.00 | 17.32 | 0.053 0.009 | 239 1 | 0 |
| Mark West-North (Ranch 14) | 1/9/26 | 61.4 1.5 | 1359 | 31.5 8.9 | 0651 | 34.6 0.4 | 73 | 96 10 | 35 6 | 1.0 | 8.3 2.0 | 0401 | 0.00 | 18.96 | 0.011 0.010 | 0 0 | 0 |
| Windsor-SE (Silk Rd) | 1/9/26 | 60.1 2.6 | 1452 | 29.0 7.2 | 0718 | 34.5 0.3 | 81 | 99 5 | 37 5 | 1.0 | 7.0 9.7 | 1405 | 0.00 | 15.29 | 0.052 0.003 | 254 36 | 0 |
| Fulton-NW (Ranch 5) | 1/9/26 | 58.2 1.7 | 1533 | 30.1 11.3 | 0726 | 35.0 0.1 | 78 | 97 11 | 40 7 | 1.3 | 9.2 9.7 | 0406 | 0.00 | 18.91 | 0.050 0.018 | 237 5 | 0 |
| Windsor-South (Laughlin Rd) | 1/9/26 | 59.4 1.3 | 1531 | 32.4 6.6 | 0602 | 35.5 0.8 | 76 | 94 10 | 37 4 | - | - | - | 0.00 | 18.80 | - | - | - |
| Fulton-SE (Barnes Rd) | 1/9/26 | 59.2 1.5 | 1426 | 30.7 8.1 | 0743 | 35.1 1.9 | 77 | 95 7 | 41 1 | 1.2 | 7.1 10.1 | 0358 | 0.00 | 18.16 | - | - | - |
| Fulton-SW (Ranch 21) | 1/9/26 | 58.4 1.9 | 1417 | 30.4 9.6 | 0730 | 33.6 1.6 | 76 | 100 16 | 0 36 | 1.8 | 7.3 11.1 | 1537 | 0.00 | 18.43 | 0.058 0.008 | 271 0 | - |
| Santa Rosa-NW (Goldfields) | 1/9/26 | 60.2 0.2 | 1413 | 30.6 9.3 | 0641 | 34.9 0.0 | 76 | 97 14 | 37 6 | 1.8 | 7.7 11.3 | 1518 | 0.00 | 19.41 | 0.050 0.018 | 231 0 | - |
| Goldfields Remote | 1/9/26 | 35.5 21.6 | 2330 | 33.2 3.5 | 2321 | - | - | - | - | - | - | - | - | - | - | - | 0 |
| NW Santa Rosa (Piner Road) | 1/9/26 | 58.8 1.6 | 1515 | 29.1 7.6 | 0727 | 36.3 1.3 | 86 | 100 0 | 46 6 | 1.0 | 6.5 3.4 | 1414 | 0.00 | 16.64 | - | - | - |
| River Rd South (Denner Ranch) | 1/9/26 | 60.3 1.4 | 1317 | 30.7 6.8 | 0731 | 36.5 1.9 | 82 | 100 3 | 38 7 | 1.8 | 9.0 11.8 | 1553 | - | - | - | - | - |
| West Santa Rosa (LOV Vineyard) | 1/9/26 | 60.1 2.4 | 1459 | 30.0 8.7 | 0746 | 34.6 0.4 | 78 | 98 10 | 38 9 | 0.9 | 6.5 9.4 | 1547 | 0.05 | 14.11 | 0.009 0.025 | 0 0 | 0 |
| Guerneville Rd (Prokopakis) | 1/9/26 | 58.1 1.2 | 1515 | 32.2 7.2 | 0628 | 36.0 0.5 | 80 | 99 9 | 40 8 | - | - | - | 0.00 | 17.46 | - | - | - |
| Guerneville Rd West (Balletto) | 1/9/26 | 59.1 1.9 | 1522 | 29.5 6.3 | 0727 | 35.4 1.3 | 83 | 99 7 | 44 5 | 1.4 | 7.6 7.4 | 1428 | 0.00 | 17.40 | - | - | - |
| Sanchietti Ranch | 1/9/26 | 58.9 1.4 | 1529 | 30.8 6.7 | 0722 | 37.2 1.4 | - | 100 9 | 52 12 | 1.8 | 7.9 8.3 | 1408 | 0.00 | 18.31 | - | - | - |
| Occidental Rd (Sebastopol) | 1/9/26 | 60.0 2.7 | 1526 | 30.0 7.6 | 0719 | 40.8 3.6 | 97 | 100 0 | 67 9 | 1.4 | 7.0 13.4 | 0026 | 0.01 | 6.69 | - | - | - |
| Lower Westside Rd (Ranch 12) | 1/9/26 | 64.5 0.6 | 1343 | 32.2 6.8 | 0721 | 35.5 0.7 | 74 | 99 9 | 33 8 | 0.5 | 5.5 3.5 | 0456 | 0.00 | 22.83 | - | - | 0 |
| Guerneville (Laughlin Rd) | 1/9/26 | 56.7 2.6 | 1400 | 30.9 3.0 | 0743 | 37.2 1.1 | 90 | 99 1 | 56 30 | 0.7 | 4.2 11.2 | 0057 | 0.00 | 30.81 | - | - | - |
| Korbel (Winery) | 1/9/26 | 60.7 2.6 | 1516 | 33.4 3.2 | 0730 | 37.9 1.7 | 88 | 100 2 | 36 7 | 0.8 | 4.1 9.6 | 0051 | 0.00 | 28.35 | - | - | - |
| Forestville (Shone Farms) | 1/9/26 | 59.8 1.5 | 1449 | 30.2 5.0 | 0736 | 35.9 1.5 | 81 | 97 2 | 43 9 | 1.4 | 7.1 10.2 | 1340 | 0.00 | 24.12 | 0.052 0.009 | 240 2 | 0 |
| Forestville-NE (Ranch 30) | 1/9/26 | 60.0 2.3 | 1453 | 30.7 4.2 | 0727 | 37.3 0.8 | 86 | 100 1 | 45 9 | 1.3 | 8.5 12.1 | 1341 | 0.00 | 22.40 | 0.052 0.008 | 250 6 | - |
| Green Valley Vineyard | 1/9/26 | 60.7 2.5 | 1533 | 31.5 3.5 | 0717 | 35.3 1.4 | 80 | 97 2 | 36 6 | 2.1 | 6.4 12.3 | 1142 | 0.00 | 27.18 | 0.011 0.008 | 0 0 | - |
| Green Valley (Sanchietti) | 1/9/26 | 63.0 3.8 | 1524 | 29.8 4.1 | 0705 | - | - | - | - | - | - | - | - | - | - | - | - |
| Keefer Ranch (Green Valley) | 1/9/26 | 60.9 3.5 | 1422 | 28.8 4.1 | 0734 | 35.0 1.3 | 86 | 100 2 | 44 5 | - | - | - | 0.00 | 24.46 | - | - | - |
| Graton-South (Mill Station Rd) | 1/9/26 | 60.8 2.5 | 1417 | 28.6 4.7 | 0729 | 33.9 0.6 | 81 | 99 2 | 35 4 | 0.2 | 4.9 4.8 | 1514 | 0.00 | 21.63 | - | - | 0 |
| Occidental (Horseshoe Bend) | 1/9/26 | 57.8 2.0 | 1511 | 37.8 2.4 | 0518 | 33.1 0.0 | - | 77 2 | 40 8 | - | - | - | 0.03 | 15.51 | - | - | - |
| Sexton Valley (Jacqueline's Blk) | 1/9/26 | 58.7 1.9 | 1514 | 28.0 3.7 | 0649 | 34.4 1.3 | 85 | 100 2 | 41 3 | 0.8 | 5.8 5.7 | 1524 | 0.02 | 7.06 | - | - | - |
| Sebastopol Hills (Burnside Rd) | 1/9/26 | 58.8 3.2 | 1325 | 35.1 5.5 | 0803 | 36.1 1.0 | 72 | 94 12 | 41 1 | 1.0 | 8.9 7.4 | 0325 | 0.00 | 21.46 | - | - | - |
| Seaview/Fort Ross (Hirsch) | 1/9/26 | 55.5 6.7 | 1327 | 40.3 4.0 | 0220 | 27.8 5.7 | 46 | 68 27 | 25 20 | 2.5 | 11.2 11.4 | 0432 | 0.00 | 37.55 | 0.060 0.009 | 255 2 | - |
| Max | 64.5 | - | 40.3 | - | 40.8 | 97 | 100 | 67 | 2.5 | 14.7 | - | 0.05 | 37.55 | 0.060 | 271 | - | |
| Avg | - | - | - | - | 35.4 | 79 | - | - | 1.3 | - | - | - | - | - | - | - | |
| Min | 35.5 | - | 28.0 | - | 27.8 | 46 | 68 | 0 | 0.2 | 4.1 | - | 0.00 | 6.69 | 0.009 | 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 | 1/9/26 | 57.9 2.8 | 1522 | 36.1 2.1 | 0541 | 30.9 2.2 | 83 4 | 38 12 | 2.2 1.2 | 8.5 4.6 | 0321 | N | 352 | 0.00 | 5.41 | 0.061 0.008 | 289 1 | - |
| Lower Bennett Valley | 1/9/26 | 59.4 2.0 | 1511 | 27.3 3.9 | 0618 | 32.6 0.4 | 100 8 | 42 15 | 1.5 2.2 | 7.5 8.4 | 1146 | NNW | 333 | 0.00 | 17.51 | 0.052 0.012 | 251 0 | 0 0 |
| Kenwood (Wildwood) | 1/9/26 | 61.5 4.8 | 1324 | 30.7 4.4 | 0735 | 32.7 1.9 | 97 5 | 33 10 | 2.2 2.6 | 9.0 15.6 | 1348 | SSW | 192 | 0.00 | 21.09 | 0.053 0.013 | 226 1 | - |
| Sonoma Valley (Bedrock) | 1/9/26 | 59.2 2.5 | 1426 | 29.5 8.3 | 0722 | 30.7 2.1 | 95 15 | 34 15 | - | - | - | - | 0.02 | 9.21 | - | - | - |
| Sonoma-West (Arnold) | 1/9/26 | 61.0 2.5 | 1342 | 30.3 10.5 | 0727 | 32.6 2.5 | 93 14 | 31 9 | 2.0 4.0 | 11.6 11.2 | 0105 | NW | 314 | 0.03 | 14.29 | 0.070 0.022 | 297 2 | - |
| Sonoma Valley HS | 1/9/26 | 60.1 2.2 | 1503 | 30.4 7.0 | 0707 | 35.0 2.3 | 100 5 | 42 16 | 1.2 3.1 | 5.6 1.4 | 1617 | S | 182 | 0.02 | 5.00 | 0.054 0.019 | 259 4 | - |
| Sonoma East (Bundschu01) | 1/9/26 | 62.0 4.2 | 1514 | 29.3 8.7 | 0730 | 32.1 2.8 | 95 11 | 32 11 | 2.0 3.7 | 9.4 14.9 | 1547 | S | 174 | 0.00 | 11.63 | 0.062 0.026 | 282 1 | - |
| Schellville (Sasaki) | 1/9/26 | 64.8 5.1 | 1514 | 33.2 8.4 | 2325 | 34.9 10.3 | 94 38 | 28 8 | 1.6 2.5 | 7.8 11.4 | 1007 | NNE | 30 | 0.00 | 0.00 | - | - | 0 0 |
| Sonoma-SE (Napoli) | 1/9/26 | 64.2 5.4 | 1504 | 31.1 9.8 | 0742 | 32.3 2.6 | 94 12 | 29 8 | 1.1 4.1 | 8.1 8.0 | 0049 | N | 352 | 0.00 | 10.94 | - | - | 0 0 |
| Ricci Vineyards (Carneros) | 1/9/26 | 61.7 3.2 | 1458 | 30.5 10.9 | 0739 | 32.5 1.9 | 95 16 | 31 9 | 2.5 3.0 | 9.2 13.3 | 1516 | SSW | 209 | 0.00 | 13.94 | 0.067 0.019 | 290 1 | - |
| Carneros (Ranch 71) | 1/9/26 | 61.9 4.3 | 1500 | 39.8 3.2 | 0705 | 32.6 3.6 | 78 5 | 33 11 | 2.5 4.3 | 17.0 5.3 | 0012 | WNW | 300 | 0.00 | 11.98 | 0.062 0.026 | 268 2 | 0 0 |
| Carneros Upper (Ranch 81) | 1/9/26 | 60.7 3.6 | 1454 | 41.0 0.9 | 0733 | 31.6 3.0 | - | - | 3.9 4.4 | 21.3 1.1 | 0008 | NNW | 335 | - | - | - | - | - |
| Carneros Lower (Ranch 81) | 1/9/26 | 62.1 4.3 | 1355 | 32.0 8.3 | 0737 | 33.4 2.1 | 94 4 | 33 7 | 1.5 3.0 | 16.2 1.4 | 0046 | N | 9 | 0.00 | 12.79 | 0.043 0.027 | 163 1 | - |
| Rohnert Park-West (Stony Point) | 1/9/26 | 58.6 2.4 | 1517 | 28.5 5.6 | 0740 | 34.7 2.1 | 98 4 | 45 4 | 1.1 2.9 | 6.9 10.4 | 1639 | SW | 224 | 0.00 | 1.57 | - | - | - |
| Cartograph Wines Base | 1/9/26 | 58.2 2.5 | 1529 | 36.4 3.0 | 0636 | 37.0 0.4 | 90 4 | 49 9 | 1.6 2.7 | 7.2 13.1 | 1618 | WSW | 242 | 0.00 | 17.42 | 0.049 0.007 | 250 1 | - |
| Cartograph Wines Remote | 1/9/26 | 55.6 1.3 | 1317 | 29.8 2.7 | 0711 | - | - | - | - | - | - | - | - | - | - | - | - |
| Rice-Spivak Vineyard | 1/9/26 | 60.7 2.5 | 1435 | 25.4 4.8 | 0714 | - | - | - | - | - | - | - | - | - | - | - | - |
| Penngrove (Asellus) | 1/9/26 | 59.4 1.5 | 1408 | 29.0 7.6 | 0700 | 33.1 0.1 | 95 9 | 35 6 | 1.2 2.8 | 9.0 13.0 | 1635 | E | 95 | 0.00 | 15.11 | - | - | 0 0 |
| Roger's Creek (Ranch 50) | 1/9/26 | 57.5 0.4 | 1508 | 38.9 1.2 | 0305 | 31.8 3.2 | 72 9 | 31 10 | 2.5 2.0 | 11.6 13.8 | 0102 | NW | 324 | 0.00 | 14.80 | 0.054 0.008 | 250 5 | 0 0 |
| Petaluma (Ranch 10) | 1/9/26 | 62.6 1.1 | 1453 | 29.6 9.0 | 0701 | 33.3 0.3 | 96 14 | 29 3 | 0.9 2.5 | 7.6 8.2 | 0006 | N | 354 | 0.00 | 11.56 | 0.047 0.011 | 210 4 | 0 0 |
| Max | 64.8 | - | 41.0 | - | 37.0 | 100 | 49 | 3.9 | 21.3 | - | - | 0.03 | 21.09 | 0.070 | 297 | - | |
| Avg | - | - | - | - | 33.0 | - | - | 1.9 | - | - | - | - | - | - | - | - | |
| Min | 55.6 | - | 25.4 | - | 30.7 | 72 | 28 | 0.9 | 5.6 | - | - | 0.00 | 0.00 | 0.043 | 163 | - |