| 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) | 1/8/26 | 53.3 2.9 | 1342 | 37.4 5.3 | 0723 | 33.2 8.0 | 67 | 84 8 | 42 17 | 4.4 | 26.6 2.6 | 0027 | NNW | 338 | 0.00 | 28.82 | - | - | 0 0 |
| Rockpile Upper (Cooley) | 1/8/26 | 48.3 4.0 | 1444 | 34.1 5.0 | 0739 | 32.2 8.1 | 74 | 93 7 | 49 16 | 10.2 | 45.4 5.7 | 0059 | NW | 312 | 0.00 | 29.56 | 0.057 0.015 | 278 70 | 0 0 |
| Cloverdale-East (Ranch 83) | 1/8/26 | 55.4 4.9 | 1503 | 36.0 5.8 | 2053 | 34.8 4.1 | - | - | - | 4.7 | 23.9 4.8 | 0005 | NW | 318 | 0.00 | 25.01 | 0.060 0.007 | 237 33 | 0 0 |
| Cloverdale-SE (Ranch 38) | 1/8/26 | 54.2 5.6 | 1510 | 39.5 5.3 | 2118 | 36.1 8.1 | 71 | 88 8 | 45 15 | 9.5 | 29.8 4.9 | 0010 | NNW | 334 | 0.00 | 26.49 | 0.063 0.012 | 228 26 | 0 0 |
| Geyserville-North (Hoffman) | 1/8/26 | 56.8 4.3 | 1425 | 39.2 2.7 | 0739 | 35.7 7.9 | 68 | 86 10 | 42 13 | 4.2 | 13.8 0.9 | 1036 | NW | 326 | 0.00 | 25.50 | 0.061 0.007 | 233 28 | 0 0 |
| Geyserville (Ranch 3) | 1/8/26 | 55.9 3.9 | 1421 | 39.9 2.3 | 2316 | 35.1 8.8 | 66 | 86 14 | 38 15 | 5.4 | 15.6 2.4 | 0852 | NW | 308 | 0.00 | 25.44 | 0.064 0.010 | 236 31 | 0 0 |
| Geyserville-East (Ranch 40) | 1/8/26 | 56.3 4.0 | 1430 | 37.8 6.6 | 2358 | 35.4 8.8 | 69 | 91 8 | 42 15 | 7.3 | 25.8 1.5 | 0040 | NNW | 329 | 0.00 | 25.86 | 0.065 0.007 | 258 14 | 0 0 |
| Geyserville-South (Nervo Station) | 1/8/26 | 57.4 2.9 | 1406 | 40.8 4.1 | 2304 | - | - | - | - | 5.5 | 19.2 1.7 | 1118 | WNW | 284 | 0.00 | 19.33 | - | - | 0 0 |
| Jimtown-North (Piccolo Ranch 15) | 1/8/26 | 57.3 3.2 | 1456 | 34.6 8.3 | 2357 | 33.4 9.8 | 62 | 90 10 | 30 21 | 3.6 | 16.9 0.4 | 1132 | W | 277 | 0.00 | 23.62 | 0.053 0.006 | 212 23 | 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) | 1/8/26 | 59.0 2.7 | 1355 | 34.6 5.1 | 0801 | 34.7 9.0 | 69 | 96 4 | 25 25 | 2.9 | 15.2 0.1 | 0332 | W | 281 | 0.00 | 22.79 | 0.053 0.004 | 215 24 | 0 0 |
| N Chalk Hill Rd (Ranch 63) | 1/8/26 | 56.4 3.1 | 1437 | 34.4 6.7 | 2332 | 33.3 9.7 | 64 | 98 2 | 24 24 | 4.7 | 18.1 1.4 | 0006 | NW | 317 | 0.00 | 24.15 | 0.060 0.007 | 214 28 | - |
| Knights Valley (Bavarian Lion) | 1/8/26 | 58.1 2.0 | 1601 | 32.9 8.3 | 0734 | 29.1 13.5 | 52 | 94 4 | 23 28 | 4.8 | 24.7 6.0 | 0051 | N | 353 | 0.00 | 22.62 | 0.068 0.012 | 238 11 | - |
| Upper Dry Creek Valley | 1/8/26 | 56.3 4.1 | 1437 | 38.1 4.9 | 0735 | 35.6 7.2 | 68 | 94 5 | 36 15 | 3.3 | 17.3 5.1 | 0018 | WNW | 298 | 0.00 | 27.46 | 0.062 0.003 | 256 41 | - |
| Lower Dry Creek Valley | 1/8/26 | 58.4 4.5 | 1404 | 37.3 5.0 | 2320 | 35.4 8.1 | 68 | 100 0 | 34 17 | 6.3 | 20.7 4.8 | 0004 | NW | 316 | 0.00 | 27.06 | 0.066 0.001 | 232 10 | 0 0 |
| Max | 59.0 | - | 40.8 | - | 36.1 | 74 | 100 | 49 | 10.2 | 45.4 | - | - | 0.00 | 29.56 | 0.068 | 278 | - | |
| Avg | - | - | - | - | 34.2 | 66 | - | - | 5.5 | - | - | - | - | - | - | - | - | |
| Min | 48.3 | - | 32.9 | - | 29.1 | 52 | 84 | 23 | 2.9 | 13.8 | - | - | 0.00 | 19.33 | 0.053 | 212 | - |
| 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) | 1/8/26 | 57.8 3.7 | 1407 | 38.0 3.3 | 0737 | - | - | 87 13 | 34 18 | 3.9 | 17.2 1.7 | 1001 | 0.00 | 19.43 | - | - | 0 |
| Windsor-NW (Ranch 8) | 1/8/26 | 58.8 3.5 | 1326 | 41.1 3.0 | 2359 | 38.0 6.8 | 69 | 86 2 | 41 19 | 4.8 | 27.2 27.1 | 0035 | 0.00 | 23.45 | 0.060 0.014 | 240 25 | - |
| Windsor-East (Ranch 16) | 1/8/26 | 57.6 5.0 | 1444 | 35.5 4.4 | 2305 | 34.6 9.3 | 64 | 92 8 | 34 17 | 4.1 | 22.2 6.5 | 0011 | 0.00 | 17.32 | 0.062 0.006 | 240 24 | 0 |
| Mark West-North (Ranch 14) | 1/8/26 | 59.9 4.1 | 1408 | 40.4 2.8 | 0538 | 34.2 9.5 | 61 | 86 13 | 30 16 | 2.0 | 10.3 1.5 | 1050 | 0.00 | 18.96 | 0.021 0.008 | 0 0 | 0 |
| Windsor-SE (Silk Rd) | 1/8/26 | 57.6 4.7 | 1441 | 36.2 4.7 | 2235 | 34.2 9.9 | 64 | 94 6 | 32 18 | 2.7 | 16.7 3.8 | 1010 | 0.00 | 15.29 | 0.055 0.000 | 218 18 | 0 |
| Fulton-NW (Ranch 5) | 1/8/26 | 56.5 4.6 | 1451 | 41.4 0.2 | 0526 | 34.9 1.6 | 62 | 86 14 | 33 30 | 4.8 | 18.9 4.0 | 1032 | 0.00 | 18.91 | 0.068 0.012 | 242 16 | 0 |
| Windsor-South (Laughlin Rd) | 1/8/26 | 58.1 4.4 | 1406 | 39.0 5.1 | 0712 | 34.8 6.9 | 63 | 84 16 | 33 33 | - | - | - | 0.00 | 18.80 | - | - | - |
| Fulton-SE (Barnes Rd) | 1/8/26 | 57.7 3.8 | 1339 | 38.8 2.9 | 0521 | 37.0 8.3 | 70 | 88 10 | 40 21 | 3.9 | 17.2 0.4 | 0323 | 0.00 | 18.16 | - | - | - |
| Fulton-SW (Ranch 21) | 1/8/26 | 56.4 5.1 | 1413 | 40.0 3.0 | 2355 | 35.2 21.3 | 65 | 84 16 | 37 36 | 4.7 | 18.4 2.8 | 1005 | 0.00 | 18.43 | 0.066 0.000 | 272 4 | - |
| Santa Rosa-NW (Goldfields) | 1/8/26 | 60.0 4.5 | 1401 | 39.9 3.1 | 0715 | 34.8 10.3 | 62 | 83 17 | 31 21 | 5.4 | 19.0 2.2 | 1016 | 0.00 | 19.41 | 0.068 0.012 | 231 5 | - |
| Goldfields Remote | 1/8/26 | 57.2 5.2 | 1429 | 36.6 5.7 | 0707 | - | - | - | - | - | - | - | - | - | - | - | 0 |
| NW Santa Rosa (Piner Road) | 1/8/26 | 57.1 4.1 | 1515 | 36.6 4.6 | 0727 | 37.6 8.8 | 72 | 100 0 | 40 21 | 2.0 | 10.0 1.8 | 1134 | 0.00 | 16.64 | - | - | - |
| River Rd South (Denner Ranch) | 1/8/26 | 59.0 1.8 | 1529 | 37.4 6.8 | 2303 | 34.6 10.7 | 63 | 97 3 | 31 24 | 5.2 | 20.8 1.3 | 0101 | - | - | - | - | - |
| West Santa Rosa (LOV Vineyard) | 1/8/26 | 57.7 3.6 | 1417 | 38.8 4.0 | 2336 | 34.2 10.2 | 61 | 88 12 | 29 26 | 3.7 | 15.9 1.6 | 1051 | 0.07 | 14.06 | 0.034 0.015 | 0 0 | 0 |
| Guerneville Rd (Prokopakis) | 1/8/26 | 57.0 3.6 | 1458 | 39.4 5.6 | 2338 | 35.5 9.8 | 63 | 89 10 | 32 25 | - | - | - | 0.00 | 17.46 | - | - | - |
| Guerneville Rd West (Balletto) | 1/8/26 | 57.2 3.1 | 1424 | 35.8 6.2 | 0741 | 36.8 9.4 | 68 | 92 8 | 39 24 | 4.2 | 15.0 0.5 | 1104 | 0.00 | 17.40 | - | - | - |
| Sanchietti Ranch | 1/8/26 | 57.6 3.4 | 1440 | 37.5 5.6 | 0737 | 38.6 8.8 | - | 91 9 | 40 30 | 4.4 | 16.2 0.2 | 1054 | 0.00 | 18.31 | - | - | - |
| Occidental Rd (Sebastopol) | 1/8/26 | 57.4 3.9 | 1428 | 37.6 4.7 | 0727 | 44.4 6.4 | 92 | 100 0 | 58 42 | 4.1 | 20.4 3.1 | 0132 | 0.01 | 6.68 | - | - | - |
| Lower Westside Rd (Ranch 12) | 1/8/26 | 65.1 2.1 | 1350 | 38.9 4.4 | 2253 | 34.8 8.8 | 62 | 89 10 | 25 16 | 1.9 | 9.0 1.3 | 0035 | 0.00 | 22.83 | - | - | 0 |
| Guerneville (Laughlin Rd) | 1/8/26 | 59.3 2.8 | 1339 | 33.9 8.0 | 0746 | 36.1 9.0 | 80 | 98 1 | 26 29 | 1.4 | 15.3 0.1 | 0001 | 0.00 | 30.81 | - | - | - |
| Korbel (Winery) | 1/8/26 | 58.1 2.4 | 1413 | 36.5 7.1 | 0752 | 36.2 9.6 | 76 | 98 2 | 29 28 | 1.7 | 13.7 6.4 | 1111 | 0.00 | 28.35 | - | - | - |
| Forestville (Shone Farms) | 1/8/26 | 58.3 3.6 | 1426 | 35.2 9.3 | 2359 | 34.4 10.5 | 64 | 94 3 | 34 22 | 3.4 | 17.3 2.5 | 0112 | 0.00 | 24.12 | 0.061 0.004 | 239 4 | 0 |
| Forestville-NE (Ranch 30) | 1/8/26 | 62.3 0.8 | 1409 | 34.9 7.7 | 2329 | 36.5 9.6 | 74 | 99 1 | 36 22 | 3.4 | 20.6 4.8 | 0042 | 0.00 | 22.40 | 0.060 0.002 | 256 10 | - |
| Green Valley Vineyard | 1/8/26 | 58.2 2.5 | 1525 | 35.0 8.0 | 2359 | 34.0 10.3 | 65 | 95 3 | 30 28 | 2.5 | 18.6 3.3 | 0514 | 0.00 | 27.18 | 0.019 0.001 | 0 0 | - |
| Green Valley (Sanchietti) | 1/8/26 | 59.2 2.2 | 1514 | 33.9 9.0 | 2349 | - | - | - | - | - | - | - | - | - | - | - | - |
| Keefer Ranch (Green Valley) | 1/8/26 | 57.4 3.4 | 1500 | 32.9 8.8 | 2352 | 36.4 9.3 | 76 | 97 3 | 38 27 | - | - | - | 0.00 | 24.46 | - | - | - |
| Graton-South (Mill Station Rd) | 1/8/26 | 58.4 1.6 | 1531 | 33.3 8.2 | 2338 | 34.4 10.5 | 70 | 97 3 | 32 26 | 1.2 | 9.7 2.0 | 0409 | 0.00 | 21.63 | - | - | 0 |
| Occidental (Horseshoe Bend) | 1/8/26 | 55.8 1.7 | 1433 | 40.2 3.6 | 2315 | 33.1 11.2 | - | 79 18 | 32 30 | - | - | - | 0.04 | 15.48 | - | - | - |
| Sexton Valley (Jacqueline's Blk) | 1/8/26 | 56.8 2.8 | 1539 | 31.6 9.6 | 2355 | 35.7 9.9 | 76 | 98 2 | 38 27 | 1.9 | 11.5 1.8 | 0015 | 0.00 | 7.04 | - | - | - |
| Sebastopol Hills (Burnside Rd) | 1/8/26 | 55.6 2.0 | 1437 | 40.6 5.3 | 2306 | 35.1 10.4 | 64 | 82 15 | 40 29 | 3.5 | 16.2 1.4 | 0014 | 0.00 | 21.46 | - | - | - |
| Seaview/Fort Ross (Hirsch) | 1/8/26 | 48.8 2.2 | 1511 | 36.3 3.8 | 0713 | 33.5 8.5 | 73 | 95 2 | 45 31 | 5.2 | 22.6 6.3 | 0206 | 0.00 | 37.55 | 0.051 0.017 | 253 62 | - |
| Max | 65.1 | - | 41.4 | - | 44.4 | 92 | 100 | 58 | 5.4 | 27.2 | - | 0.07 | 37.55 | 0.068 | 272 | - | |
| Avg | - | - | - | - | 35.7 | 68 | - | - | 3.4 | - | - | - | - | - | - | - | |
| Min | 48.8 | - | 31.6 | - | 33.1 | 61 | 79 | 25 | 1.2 | 9.0 | - | 0.00 | 6.68 | 0.019 | 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 | 1/8/26 | 55.1 3.0 | 1341 | 38.2 5.2 | 0748 | 28.7 13.6 | 79 16 | 26 33 | 3.4 1.1 | 13.1 0.6 | 2011 | ESE | 118 | 0.00 | 5.41 | 0.069 0.015 | 290 45 | - |
| Lower Bennett Valley | 1/8/26 | 57.4 2.6 | 1343 | 31.2 8.2 | 2359 | 32.2 11.7 | 92 8 | 27 31 | 3.8 1.0 | 15.9 0.2 | 0318 | NNW | 336 | 0.00 | 17.51 | 0.064 0.014 | 251 36 | 0 0 |
| Kenwood (Wildwood) | 1/8/26 | 56.7 2.9 | 1305 | 35.1 7.2 | 0753 | 30.8 13.8 | 92 8 | 24 35 | 4.8 1.6 | 24.6 4.9 | 0215 | NNW | 335 | 0.00 | 21.09 | 0.066 0.017 | 227 1 | - |
| Sonoma Valley (Bedrock) | 1/8/26 | 56.7 3.7 | 1425 | 37.8 6.2 | 2026 | 28.6 14.6 | 80 18 | 19 35 | - | - | - | - | 0.01 | 9.19 | - | - | - |
| Sonoma-West (Arnold) | 1/8/26 | 58.4 2.2 | 1313 | 40.8 1.6 | 0741 | 30.1 14.9 | 79 21 | 21 33 | 6.0 2.3 | 22.8 4.5 | 0326 | NW | 319 | 0.05 | 14.26 | 0.092 0.033 | 299 46 | - |
| Sonoma Valley HS | 1/8/26 | 57.9 3.0 | 1330 | 37.4 5.7 | 0651 | 32.7 14.0 | 95 5 | 26 35 | 4.3 1.9 | 6.9 2.9 | 2321 | NNW | 332 | 0.01 | 4.98 | 0.073 0.020 | 263 15 | - |
| Sonoma East (Bundschu01) | 1/8/26 | 57.9 3.4 | 1458 | 38.0 3.4 | 0608 | 29.4 15.3 | 84 14 | 21 33 | 5.7 1.7 | 24.3 6.1 | 0304 | NNW | 335 | 0.00 | 11.63 | 0.088 0.023 | 283 13 | - |
| Schellville (Sasaki) | 1/8/26 | 59.7 | 1335 | 41.6 | 2358 | 24.6 | 56 | 20 | 4.1 | 19.2 | 1340 | SW | 231 | 0.00 | 0.00 | - | - | 0 |
| Sonoma-SE (Napoli) | 1/8/26 | 58.7 3.1 | 1444 | 40.9 1.7 | 0613 | 29.7 15.1 | 82 14 | 21 31 | 5.1 1.1 | 16.2 1.7 | 0214 | NW | 324 | 0.00 | 10.94 | - | - | 0 0 |
| Ricci Vineyards (Carneros) | 1/8/26 | 58.5 1.5 | 1331 | 41.4 3.4 | 1840 | 30.6 14.8 | 79 19 | 22 36 | 5.5 1.1 | 22.5 2.1 | 0115 | WNW | 292 | 0.00 | 13.94 | 0.086 0.020 | 290 22 | - |
| Carneros (Ranch 71) | 1/8/26 | 57.6 1.8 | 1431 | 43.0 3.4 | 0729 | 28.9 16.1 | 84 13 | 22 35 | 6.7 1.0 | 22.4 6.4 | 0026 | W | 266 | 0.00 | 11.98 | 0.088 0.025 | 270 15 | 0 0 |
| Carneros Upper (Ranch 81) | 1/8/26 | 57.1 2.8 | 1421 | 41.9 4.8 | 0745 | 28.6 5.1 | - | - | 8.3 1.3 | 22.4 3.9 | 1556 | N | 0 | - | - | - | - | - |
| Carneros Lower (Ranch 81) | 1/8/26 | 57.8 2.6 | 1408 | 40.3 3.0 | 0809 | 31.3 6.7 | 90 10 | 26 26 | 4.5 2.8 | 17.6 3.9 | 1546 | N | 354 | 0.00 | 12.79 | 0.070 0.031 | 162 16 | - |
| Rohnert Park-West (Stony Point) | 1/8/26 | 56.3 2.7 | 1432 | 34.2 7.6 | 0735 | 36.8 9.3 | 93 6 | 41 24 | 4.0 0.4 | 17.3 1.4 | 0323 | WNW | 293 | 0.00 | 1.57 | - | - | - |
| Cartograph Wines Base | 1/8/26 | 55.7 1.9 | 1517 | 39.4 6.8 | 0736 | 36.6 10.3 | 86 11 | 40 29 | 4.3 0.8 | 20.3 1.4 | 0339 | WSW | 241 | 0.00 | 17.42 | 0.056 0.008 | 250 11 | - |
| Cartograph Wines Remote | 1/8/26 | 54.3 3.9 | 1255 | 32.5 8.2 | 0728 | - | - | - | - | - | - | - | - | - | - | - | - |
| Rice-Spivak Vineyard | 1/8/26 | 58.2 0.9 | 1407 | 30.2 7.4 | 2359 | - | - | - | - | - | - | - | - | - | - | - | - |
| Penngrove (Asellus) | 1/8/26 | 57.8 2.1 | 1409 | 36.5 4.9 | 2218 | 33.2 11.2 | 86 12 | 30 25 | 4.0 1.9 | 22.0 7.1 | 0047 | NW | 311 | 0.00 | 15.11 | - | - | 0 0 |
| Roger's Creek (Ranch 50) | 1/8/26 | 58.0 1.1 | 1526 | 40.1 5.0 | 0719 | 28.6 15.9 | 82 18 | 21 39 | 4.4 1.2 | 25.4 5.0 | 0403 | WNW | 302 | 0.00 | 14.80 | 0.062 0.006 | 255 8 | 0 0 |
| Petaluma (Ranch 10) | 1/8/26 | 61.5 0.1 | 1503 | 38.6 5.7 | 0724 | 33.6 11.7 | 82 18 | 26 28 | 3.4 0.2 | 15.8 2.0 | 0240 | WNW | 286 | 0.00 | 11.56 | 0.058 0.004 | 214 2 | 0 0 |
| Max | 61.5 | - | 43.0 | - | 36.8 | 95 | 41 | 8.3 | 25.4 | - | - | 0.05 | 21.09 | 0.092 | 299 | - | |
| Avg | - | - | - | - | 30.8 | - | - | 4.8 | - | - | - | - | - | - | - | - | |
| Min | 54.3 | - | 30.2 | - | 24.6 | 56 | 19 | 3.4 | 6.9 | - | - | 0.00 | 0.00 | 0.056 | 162 | - |