| 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) | 12/10/25 | 72.0 1.0 | 1340 | 51.1 4.0 | 0625 | 45.5 0.6 | 58 | 80 12 | 34 7 | 1.4 | 13.2 3.4 | 0042 | NNW | 346 | 0.00 | 9.81 | - | - | 0 0 |
| Rockpile Upper (Cooley) | 12/10/25 | 69.4 5.2 | 1331 | 53.3 7.0 | 0001 | 40.5 3.2 | 47 | 71 18 | 23 22 | 8.8 | 20.2 0.4 | 1407 | NW | 317 | 0.00 | 10.06 | 0.122 0.045 | 267 0 | 0 0 |
| Cloverdale-East (Ranch 83) | 12/10/25 | 56.9 0.1 | 1502 | 36.8 0.2 | 2041 | -22.3 1.9 | - | - | - | 1.3 | 8.4 0.3 | 0109 | S | 186 | 0.02 | 7.72 | 0.044 0.001 | 214 4 | 0 0 |
| Cloverdale-SE (Ranch 38) | 12/10/25 | 55.6 0.3 | 1506 | 36.3 2.2 | 0736 | 43.7 0.2 | 94 | 100 0 | 78 1 | 2.7 | 15.4 4.2 | 0027 | NNE | 14 | 0.00 | 8.32 | 0.027 0.002 | 157 4 | 0 0 |
| Geyserville-North (Hoffman) | 12/10/25 | 53.7 2.7 | 1608 | 38.5 0.9 | 1910 | 41.7 0.5 | 96 | 98 0 | 79 7 | 1.6 | 6.7 0.8 | 1010 | E | 101 | 0.00 | 0.00 | 0.019 0.001 | 105 0 | 0 0 |
| Geyserville (Ranch 3) | 12/10/25 | 52.3 1.9 | 1528 | 39.3 1.5 | 1918 | 42.4 0.5 | 99 | 100 0 | 83 4 | 1.6 | 7.4 0.4 | 1249 | ENE | 75 | 0.01 | 7.63 | 0.019 0.001 | 116 4 | 0 0 |
| Geyserville-East (Ranch 40) | 12/10/25 | 56.8 6.2 | 1543 | 36.2 1.8 | 0547 | 41.4 0.9 | 98 | 100 0 | 76 21 | 1.8 | 8.0 1.2 | 1237 | S | 188 | 0.01 | 7.96 | 0.022 0.002 | 150 18 | 0 0 |
| Geyserville-South (Nervo Station) | 12/10/25 | 52.0 2.8 | 1521 | 39.1 1.5 | 0745 | - | - | - | - | 0.9 | 5.4 1.0 | 1311 | S | 180 | 0.02 | 6.15 | - | - | 0 0 |
| Jimtown-North (Piccolo Ranch 15) | 12/10/25 | 58.7 6.3 | 1614 | 37.4 1.0 | 1955 | 41.8 0.8 | 96 | 100 0 | 65 14 | 0.7 | 4.8 0.2 | 1116 | ENE | 72 | 0.00 | 7.79 | 0.019 0.000 | 107 2 | 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) | 12/10/25 | 59.1 2.7 | 1501 | 36.4 0.1 | 2002 | 41.5 0.3 | 94 | 100 0 | 65 2 | 1.3 | 6.1 1.4 | 0400 | NE | 42 | 0.00 | 8.29 | 0.027 0.002 | 139 5 | 0 0 |
| N Chalk Hill Rd (Ranch 63) | 12/10/25 | 54.4 0.6 | 1449 | 37.6 0.8 | 0807 | 41.2 0.4 | 96 | 100 0 | 75 1 | 1.5 | 5.9 0.5 | 0152 | ENE | 68 | 0.01 | 8.33 | 0.023 0.003 | 126 10 | - |
| Knights Valley (Bavarian Lion) | 12/10/25 | 61.5 0.6 | 1434 | 36.0 0.3 | 2120 | 40.6 0.0 | 92 | 98 0 | 56 3 | 1.4 | 8.6 2.9 | 2150 | S | 179 | 0.00 | 8.55 | 0.035 0.001 | 184 9 | - |
| Upper Dry Creek Valley | 12/10/25 | 52.9 3.6 | 1532 | 38.2 2.7 | 1909 | 41.9 1.2 | 96 | 98 0 | 77 13 | 1.4 | 7.1 1.4 | 1342 | SE | 124 | 0.01 | 8.16 | 0.021 0.001 | 124 19 | - |
| Lower Dry Creek Valley | 12/10/25 | 53.3 2.9 | 1514 | 38.6 3.0 | 1919 | 42.9 0.8 | 98 | 100 0 | 77 7 | 1.7 | 6.1 2.4 | 1303 | S | 172 | 0.01 | 8.47 | 0.019 0.002 | 110 20 | 0 0 |
| Max | 72.0 | - | 53.3 | - | 45.5 | 99 | 100 | 83 | 8.8 | 20.2 | - | - | 0.02 | 10.06 | 0.122 | 267 | - | |
| Avg | - | - | - | - | 37.2 | 89 | - | - | 2.0 | - | - | - | - | - | - | - | - | |
| Min | 52.0 | - | 36.0 | - | -22.3 | 47 | 71 | 23 | 0.7 | 4.8 | - | - | 0.00 | 0.00 | 0.019 | 105 | - |
| 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) | 12/10/25 | 58.2 5.7 | 1538 | 40.8 0.6 | 0734 | - | - | 100 0 | 65 13 | 0.1 | 6.0 0.0 | 1231 | 0.01 | 2.33 | - | - | 0 |
| Windsor-NW (Ranch 8) | 12/10/25 | 56.6 6.0 | 1548 | 40.9 0.2 | 0728 | 41.0 0.7 | 87 | 91 1 | 78 4 | 1.0 | 5.8 0.1 | 1328 | 0.01 | 8.74 | 0.023 0.005 | 120 22 | - |
| Windsor-East (Ranch 16) | 12/10/25 | 58.8 3.9 | 1547 | 39.7 0.4 | 1847 | 42.8 0.5 | 94 | 100 0 | 63 9 | 1.0 | 5.9 1.5 | 1336 | 0.00 | 6.49 | 0.028 0.001 | 146 11 | 0 |
| Mark West-North (Ranch 14) | 12/10/25 | 56.8 3.3 | 1520 | 40.9 1.1 | 0814 | 42.8 0.6 | 93 | 99 0 | 66 6 | 1.0 | 6.9 0.0 | 1230 | 0.01 | 7.49 | 0.002 0.000 | 0 0 | 0 |
| Windsor-SE (Silk Rd) | 12/10/25 | 55.3 3.8 | 1452 | 41.3 2.7 | 0832 | 43.6 0.9 | 96 | 100 0 | 72 10 | 1.1 | 4.8 2.5 | 1632 | 0.01 | 1.86 | 0.023 0.005 | 120 21 | 0 |
| Fulton-NW (Ranch 5) | 12/10/25 | 55.4 3.9 | 1526 | 41.0 1.2 | 0716 | -2.4 5.4 | 37 | 100 0 | 3 0 | 1.2 | 6.8 0.0 | 1603 | 0.00 | 7.58 | 0.033 0.006 | 135 20 | 0 |
| Windsor-South (Laughlin Rd) | 12/10/25 | 56.6 3.4 | 1438 | 41.3 0.6 | 0842 | -30.5 2.8 | 24 | 100 0 | 0 0 | - | - | - | 0.01 | 7.10 | - | - | - |
| Fulton-SE (Barnes Rd) | 12/10/25 | 57.2 3.9 | 1436 | 41.4 1.2 | 0830 | 43.1 0.8 | 91 | 98 0 | 65 8 | 1.4 | 6.1 1.1 | 1535 | 0.00 | 7.08 | - | - | - |
| Fulton-SW (Ranch 21) | 12/10/25 | 55.3 3.5 | 1432 | 40.9 0.7 | 0713 | -39.9 1.3 | 21 | 100 0 | 0 0 | 1.5 | 7.4 0.5 | 1555 | 0.00 | 7.44 | 0.037 0.005 | 168 28 | - |
| Santa Rosa-NW (Goldfields) | 12/10/25 | 58.5 4.6 | 1415 | 41.2 0.9 | 0701 | 43.7 0.7 | 94 | 100 0 | 65 8 | 1.8 | 7.4 0.9 | 1624 | 0.00 | 7.73 | 0.025 0.007 | 121 28 | - |
| Goldfields Remote | 12/10/25 | 45.6 6.9 | 2115 | 43.7 4.9 | 2355 | - | - | - | - | - | - | - | - | - | - | - | 0 |
| NW Santa Rosa (Piner Road) | 12/10/25 | 55.2 2.6 | 1503 | 41.1 0.7 | 0806 | 44.2 0.8 | 98 | 100 0 | 76 5 | 1.3 | 6.1 0.7 | 1419 | 0.00 | 6.00 | - | - | - |
| River Rd South (Denner Ranch) | 12/10/25 | 56.7 3.2 | 1501 | 41.5 0.7 | 0717 | 44.1 0.7 | 97 | 100 0 | 69 8 | 2.4 | 9.0 1.5 | 1609 | - | - | - | - | - |
| West Santa Rosa (LOV Vineyard) | 12/10/25 | 55.4 2.0 | 1451 | 41.3 0.7 | 0812 | 43.6 0.7 | 95 | 100 0 | 70 4 | 1.2 | 7.1 1.1 | 1800 | 0.00 | 8.11 | 0.003 0.001 | 0 0 | 0 |
| Guerneville Rd (Prokopakis) | 12/10/25 | 54.9 1.0 | 1426 | 42.0 0.8 | 0716 | 44.0 0.6 | 95 | 100 0 | 72 4 | - | - | - | 0.00 | 7.15 | - | - | - |
| Guerneville Rd West (Balletto) | 12/10/25 | 54.4 2.7 | 1414 | 41.8 2.2 | 0808 | 44.2 1.1 | 96 | 100 0 | 77 5 | 2.0 | 7.1 0.4 | 1551 | 0.00 | 5.83 | - | - | - |
| Sanchietti Ranch | 12/10/25 | 53.6 1.4 | 1431 | 43.1 1.7 | 0813 | 45.2 0.8 | - | 100 0 | 84 2 | 3.0 | 8.4 0.5 | 1547 | 0.00 | 6.97 | - | - | - |
| Occidental Rd (Sebastopol) | 12/10/25 | 55.1 1.1 | 1323 | 42.0 2.2 | 0449 | 44.8 1.8 | 99 | 100 0 | 58 2 | 1.8 | 7.5 0.2 | 0314 | 0.00 | 5.80 | - | - | - |
| Lower Westside Rd (Ranch 12) | 12/10/25 | 56.5 8.0 | 1524 | 40.9 1.2 | 1831 | 43.6 0.6 | 97 | 100 0 | 70 24 | 0.8 | 4.4 1.0 | 1027 | 0.00 | 8.43 | - | - | 0 |
| Guerneville (Laughlin Rd) | 12/10/25 | 51.2 1.7 | 1454 | 41.1 0.7 | 1730 | 42.9 0.2 | 96 | 98 0 | 80 4 | 0.9 | 5.0 0.2 | 1335 | 0.00 | 9.27 | - | - | - |
| Korbel (Winery) | 12/10/25 | 51.3 0.7 | 1452 | 42.2 0.1 | 0121 | 43.4 0.3 | 96 | 100 0 | 80 1 | 1.4 | 6.7 0.4 | 1023 | 0.00 | 9.43 | - | - | - |
| Forestville (Shone Farms) | 12/10/25 | 56.6 9.0 | 1600 | 40.1 0.8 | 0853 | 43.3 0.8 | 96 | 99 0 | 73 24 | 1.2 | 7.2 1.6 | 1653 | 0.01 | 9.16 | 0.020 0.006 | 99 32 | 0 |
| Forestville-NE (Ranch 30) | 12/10/25 | 58.7 12.0 | 1532 | 41.1 1.2 | 0755 | 43.4 1.0 | 98 | 100 0 | 71 28 | 1.3 | 6.3 1.2 | 1657 | 0.01 | 8.61 | 0.022 0.009 | 121 52 | - |
| Green Valley Vineyard | 12/10/25 | 54.4 5.0 | 1521 | 41.6 0.8 | 0649 | 43.5 0.9 | 96 | 99 0 | 75 18 | 1.2 | 5.7 1.1 | 0907 | 0.01 | 9.91 | 0.008 0.007 | 32 29 | - |
| Green Valley (Sanchietti) | 12/10/25 | 57.1 6.0 | 1510 | 42.6 0.9 | 0822 | - | - | - | - | - | - | - | - | - | - | - | - |
| Keefer Ranch (Green Valley) | 12/10/25 | 55.2 5.5 | 1551 | 42.8 0.7 | 0904 | 44.6 0.9 | 97 | 100 0 | 77 18 | - | - | - | 0.00 | 8.58 | - | - | - |
| Graton-South (Mill Station Rd) | 12/10/25 | 54.1 0.4 | 1454 | 42.0 2.8 | 0817 | 43.8 0.9 | 95 | 100 0 | 73 7 | 0.5 | 5.2 1.9 | 1333 | 0.00 | 8.34 | - | - | 0 |
| Occidental (Horseshoe Bend) | 12/10/25 | 53.6 4.4 | 1442 | 40.8 0.9 | 0733 | 43.4 0.7 | - | 100 0 | 88 12 | - | - | - | 0.00 | 8.40 | - | - | - |
| Sexton Valley (Jacqueline's Blk) | 12/10/25 | 53.5 3.7 | 1514 | 42.6 4.0 | 0756 | 44.2 1.0 | 96 | 100 0 | 78 13 | 2.3 | 7.9 1.5 | 1225 | 0.01 | 6.98 | - | - | - |
| Sebastopol Hills (Burnside Rd) | 12/10/25 | 52.7 4.1 | 1454 | 41.5 1.2 | 0814 | 43.5 0.7 | 98 | 100 0 | 82 16 | 0.3 | 5.6 0.1 | 1528 | 0.00 | 7.40 | - | - | - |
| Seaview/Fort Ross (Hirsch) | 12/10/25 | 70.1 7.0 | 1343 | 54.9 5.6 | 0052 | 43.7 2.6 | 51 | 72 14 | 38 16 | 3.7 | 11.5 2.3 | 1252 | 0.00 | 13.08 | 0.079 0.022 | 241 1 | - |
| Max | 70.1 | - | 54.9 | - | 45.2 | 99 | 100 | 88 | 3.7 | 11.5 | - | 0.01 | 13.08 | 0.079 | 241 | - | |
| Avg | - | - | - | - | 36.4 | 86 | - | - | 1.4 | - | - | - | - | - | - | - | |
| Min | 45.6 | - | 39.7 | - | -39.9 | 21 | 72 | 0 | 0.1 | 4.4 | - | 0.00 | 1.86 | 0.002 | 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 | 12/10/25 | 55.0 1.6 | 1606 | 35.4 1.1 | 0602 | 41.1 0.2 | 98 0 | 70 4 | 0.7 0.2 | 3.9 1.2 | 1300 | SE | 146 | 0.00 | 5.39 | 0.038 0.005 | 213 28 | - |
| Lower Bennett Valley | 12/10/25 | 53.2 1.0 | 1333 | 38.5 0.1 | 0759 | 42.1 0.2 | 100 0 | 77 0 | 1.5 0.0 | 7.0 2.5 | 1452 | N | 352 | 0.01 | 6.52 | 0.035 0.004 | 191 15 | 0 0 |
| Kenwood (Wildwood) | 12/10/25 | 46.0 1.1 | 1515 | 40.5 0.9 | 0610 | 43.0 0.8 | 100 0 | 100 0 | 1.9 0.3 | 6.5 0.3 | 1103 | SW | 226 | 0.01 | 6.86 | 0.014 0.002 | 79 10 | - |
| Sonoma Valley (Bedrock) | 12/10/25 | 46.6 1.1 | 1550 | 40.1 0.6 | 0510 | 41.6 0.7 | 99 0 | 88 1 | - | - | - | - | 0.00 | 6.71 | - | - | - |
| Sonoma-West (Arnold) | 12/10/25 | 49.0 1.7 | 1413 | 41.9 0.9 | 0453 | 43.2 0.4 | 100 0 | 84 3 | 1.6 0.3 | 6.7 0.0 | 1340 | S | 181 | 0.00 | 4.40 | 0.017 0.001 | 83 5 | - |
| Sonoma Valley HS | 12/10/25 | 48.7 1.7 | 1424 | 41.8 1.1 | 0429 | 43.9 0.6 | 100 0 | 90 2 | 1.4 0.1 | 5.1 0.6 | 1453 | SSE | 164 | 0.01 | 4.66 | 0.015 0.000 | 70 0 | - |
| Sonoma East (Bundschu01) | 12/10/25 | 49.0 1.5 | 1439 | 41.6 1.0 | 0751 | 42.8 0.8 | 97 0 | 85 1 | 1.7 0.0 | 6.6 1.8 | 2349 | NE | 46 | 0.00 | 0.13 | 0.017 0.001 | 78 1 | - |
| Schellville (Sasaki) | 12/8/25 | 48.2 0.5 | 1512 | 42.7 0.1 | 0740 | 42.6 0.2 | 95 1 | 83 0 | 1.2 0.0 | 9.8 2.3 | 1356 | NE | 55 | 0.00 | 4.40 | - | - | 0 0 |
| Sonoma-SE (Napoli) | 12/10/25 | 49.4 1.2 | 1421 | 41.5 0.6 | 0757 | 42.8 0.7 | 96 0 | 85 1 | 0.6 0.1 | 7.1 1.0 | 1431 | SSW | 208 | 0.00 | 4.46 | - | - | 0 0 |
| Ricci Vineyards (Carneros) | 12/10/25 | 50.2 2.4 | 1319 | 42.1 1.3 | 0837 | 42.6 0.4 | 96 1 | 80 5 | 2.7 0.5 | 10.7 3.2 | 1337 | SE | 142 | 0.00 | 4.89 | 0.020 0.003 | 92 9 | - |
| Carneros (Ranch 71) | 12/10/25 | 48.9 2.0 | 1329 | 40.8 0.9 | 0750 | 42.8 0.6 | 100 0 | 89 4 | 1.4 0.0 | 6.7 0.5 | 1350 | SE | 126 | 0.00 | 4.47 | 0.017 0.002 | 86 7 | 0 0 |
| Carneros Upper (Ranch 81) | 12/10/25 | 49.8 2.5 | 1332 | 41.0 1.0 | 0716 | 23.7 22.9 | - | - | 1.9 0.1 | 9.4 0.1 | 1341 | S | 180 | - | - | - | - | - |
| Carneros Lower (Ranch 81) | 12/7/25 | 47.6 1.6 | 1421 | 42.0 4.3 | 0731 | 42.8 0.8 | 100 0 | 85 6 | 1.2 0.2 | 6.6 2.1 | 0151 | NNE | 32 | 0.00 | 4.76 | 0.015 0.003 | 60 12 | - |
| Rohnert Park-West (Stony Point) | 12/10/25 | 51.5 1.4 | 1442 | 42.5 0.9 | 0637 | 43.8 0.6 | 100 0 | 82 3 | 4.8 1.4 | 13.4 1.7 | 0420 | ESE | 107 | 0.00 | 1.56 | - | - | - |
| Cartograph Wines Base | 12/10/25 | 50.8 0.8 | 1336 | 42.1 0.8 | 0644 | 43.8 0.5 | 100 0 | 88 1 | 4.4 1.0 | 13.3 2.6 | 1631 | ESE | 111 | 0.00 | 6.66 | 0.025 0.004 | 156 28 | - |
| Cartograph Wines Remote | 12/10/25 | 50.6 1.0 | 1221 | 42.7 2.4 | 0420 | - | - | - | - | - | - | - | - | - | - | - | - |
| Rice-Spivak Vineyard | 12/10/25 | 52.2 0.8 | 1332 | 42.6 2.0 | 0640 | - | - | - | - | - | - | - | - | - | - | - | - |
| Penngrove (Asellus) | 12/10/25 | 49.2 0.6 | 1419 | 42.0 1.3 | 0459 | 42.6 0.4 | 98 0 | 81 1 | 7.3 1.6 | 15.8 2.1 | 0226 | ESE | 121 | 0.00 | 0.10 | - | - | 0 0 |
| Roger's Creek (Ranch 50) | 12/10/25 | 44.7 0.9 | 1418 | 40.3 1.3 | 0820 | 41.9 0.5 | 100 0 | 100 0 | 5.1 1.2 | 13.3 3.0 | 1229 | E | 94 | 0.00 | 5.80 | 0.013 0.001 | 78 5 | 0 0 |
| Petaluma (Ranch 10) | 12/10/25 | 49.2 0.1 | 1421 | 43.2 1.3 | 2358 | 42.8 0.4 | 96 1 | 83 2 | 3.2 0.7 | 7.5 1.8 | 1015 | SE | 128 | 0.00 | 4.29 | 0.018 0.000 | 77 7 | 0 0 |
| Max | 55.0 | - | 43.2 | - | 43.9 | 100 | 100 | 7.3 | 15.8 | - | - | 0.01 | 6.86 | 0.038 | 213 | - | |
| Avg | - | - | - | - | 41.5 | - | - | 2.7 | - | - | - | - | - | - | - | - | |
| Min | 44.7 | - | 35.4 | - | 23.7 | 96 | 70 | 0.6 | 3.9 | - | - | 0.00 | 0.10 | 0.013 | 70 | - |