| Station | Date | Daily Max Temp (°F) | Time of Max Temp | Daily Min Temp (°F) | Time of Min Temp | Dew Pt (°F) | RH (%) | 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) | 11/28/25 | 59.5 5.2 | 1314 | 43.0 0.4 | 2359 | 46.2 3.4 | 91 | 100 8 | 67 38 | 1.4 | 7.8 1.1 | 0231 | NW | 304 | 0.00 | 9.78 | - | - | 0 0 |
| Rockpile Upper (Cooley) | 11/28/25 | 62.8 4.0 | 1421 | 40.9 9.0 | 2113 | 46.0 11.3 | 89 | 100 21 | 58 37 | 6.8 | 24.3 0.2 | 0152 | NNW | 328 | 0.00 | 10.06 | 0.061 0.028 | 286 18 | 0 0 |
| Cloverdale-East (Ranch 83) | 11/28/25 | 49.9 11.5 | 1249 | 38.7 5.8 | 0001 | -26.4 24.7 | - | - | - | 1.2 | 7.6 0.4 | 1355 | S | 186 | 0.01 | 7.68 | 0.028 0.019 | 106 117 | 0 0 |
| Cloverdale-SE (Ranch 38) | 11/28/25 | 48.1 11.6 | 1403 | 39.3 2.2 | 0741 | 43.2 0.2 | 99 | 100 2 | 97 39 | 2.9 | 10.5 0.3 | 1117 | SSE | 158 | 0.02 | 8.26 | 0.018 0.026 | 101 120 | 0 0 |
| Geyserville-North (Hoffman) | 11/28/25 | 48.7 7.7 | 1335 | 42.4 6.8 | 0828 | 44.2 3.0 | 96 | 97 0 | 90 21 | 1.5 | 6.6 0.2 | 1344 | SSE | 147 | 0.00 | 0.00 | 0.015 0.018 | 59 101 | 0 0 |
| Geyserville (Ranch 3) | 11/28/25 | 48.2 7.7 | 1343 | 42.8 4.4 | 0805 | 45.3 2.8 | 100 | 100 0 | 100 29 | 1.4 | 6.8 0.4 | 1150 | ENE | 69 | 0.01 | 7.60 | 0.014 0.018 | 64 104 | 0 0 |
| Geyserville-East (Ranch 40) | 11/28/25 | 45.8 10.0 | 1433 | 41.1 1.9 | 0610 | 43.3 0.2 | 100 | 100 0 | 100 29 | 2.4 | 10.3 1.3 | 1342 | SSE | 168 | 0.02 | 7.88 | 0.015 0.014 | 83 82 | 0 0 |
| Geyserville-South (Nervo Station) | 11/28/25 | 47.2 9.1 | 1419 | 43.4 3.2 | 0903 | - | - | - | - | 0.8 | 5.8 0.3 | 1341 | SE | 130 | 0.01 | 6.03 | - | - | 0 0 |
| Jimtown-North (Piccolo Ranch 15) | 11/28/25 | 48.5 11.6 | 1415 | 43.3 5.2 | 0746 | 45.4 2.7 | 100 | 100 0 | 94 32 | 1.1 | 5.9 0.4 | 0952 | NE | 46 | 0.00 | 7.75 | 0.013 0.012 | 58 73 | 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) | 11/28/25 | 49.3 6.9 | 1435 | 42.0 4.3 | 0739 | 44.6 2.1 | 97 | 100 0 | 86 16 | 1.8 | 7.0 0.0 | 0556 | ENE | 77 | 0.00 | 8.27 | 0.015 0.011 | 62 68 | 0 0 |
| N Chalk Hill Rd (Ranch 63) | 11/28/25 | 47.3 7.2 | 1440 | 41.6 3.7 | 0808 | 44.0 2.1 | 98 | 100 0 | 89 18 | 1.7 | 7.8 1.9 | 1029 | E | 88 | 0.00 | 8.30 | 0.014 0.010 | 61 67 | - |
| Knights Valley (Bavarian Lion) | 11/28/25 | 48.3 10.2 | 1523 | 40.7 1.7 | 0741 | 43.3 1.2 | 96 | 98 0 | 88 26 | 1.5 | 5.3 0.4 | 1827 | SE | 131 | 0.00 | 8.52 | 0.017 0.018 | 88 93 | - |
| Upper Dry Creek Valley | 11/28/25 | 48.8 10.3 | 1320 | 41.9 4.1 | 0001 | 44.2 2.4 | 96 | 98 0 | 91 32 | 1.4 | 7.5 0.7 | 1329 | SE | 143 | 0.00 | 8.13 | 0.017 0.028 | 78 138 | - |
| Lower Dry Creek Valley | 11/28/25 | 48.4 7.3 | 1231 | 43.2 4.2 | 0512 | 45.2 2.3 | 100 | 100 0 | 92 29 | 2.0 | 7.7 1.2 | 1403 | SE | 145 | 0.00 | 8.42 | 0.014 0.026 | 66 128 | 0 0 |
| Max | 62.8 | - | 43.4 | - | 46.2 | 100 | 100 | 100 | 6.8 | 24.3 | - | - | 0.02 | 10.06 | 0.061 | 286 | - | |
| Avg | - | - | - | - | 39.1 | 97 | - | - | 2.0 | - | - | - | - | - | - | - | - | |
| Min | 45.8 | - | 38.7 | - | -26.4 | 89 | 97 | 58 | 0.8 | 5.3 | - | - | 0.00 | 0.00 | 0.013 | 58 | - |
| Station | Date | Daily Max Temp (°F) | Time of Max Temp | Daily Min Temp (°F) | Time of Min Temp | Dew Pt (°F) | RH (%) | 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) | 11/28/25 | 47.7 7.1 | 1520 | 43.7 6.5 | 0726 | - | - | 100 0 | 94 25 | 0.2 | 7.7 1.1 | 2336 | 0.00 | 2.29 | - | - | 0 |
| Windsor-NW (Ranch 8) | 11/28/25 | 47.2 9.9 | 1603 | 43.4 4.2 | 0849 | 41.1 0.2 | 86 | 88 1 | 83 11 | 1.0 | 6.0 1.1 | 2304 | 0.00 | 8.68 | 0.016 0.018 | 61 119 | - |
| Windsor-East (Ranch 16) | 11/27/25 | 56.7 7.4 | 1531 | 36.1 0.9 | 0001 | 42.9 0.9 | 95 | 100 0 | 68 16 | 0.9 | 6.2 0.8 | 1247 | 0.00 | 6.47 | 0.025 0.009 | 134 30 | 0 |
| Mark West-North (Ranch 14) | 11/28/25 | 48.4 7.6 | 1403 | 42.3 3.9 | 0741 | 44.3 1.7 | 96 | 99 0 | 87 20 | 0.8 | 5.4 0.3 | 1408 | 0.00 | 7.48 | 0.001 0.001 | 0 0 | 0 |
| Windsor-SE (Silk Rd) | 11/28/25 | 48.3 8.8 | 1505 | 43.0 7.2 | 0731 | 44.7 2.2 | 98 | 100 0 | 91 24 | 1.2 | 5.9 0.4 | 1305 | 0.01 | 1.82 | 0.013 0.010 | 55 70 | 0 |
| Fulton-NW (Ranch 5) | 11/28/25 | 48.0 7.1 | 1412 | 42.3 3.6 | 0732 | -5.6 0.1 | 34 | 100 0 | 3 0 | 1.4 | 6.1 0.5 | 2340 | 0.01 | 7.56 | 0.030 0.002 | 66 35 | 0 |
| Windsor-South (Laughlin Rd) | 11/28/25 | 48.0 7.3 | 1354 | 42.6 5.9 | 0714 | -21.5 19.4 | 36 | 100 0 | 0 0 | - | - | - | 0.00 | 7.05 | - | - | - |
| Fulton-SE (Barnes Rd) | 11/28/25 | 48.9 6.8 | 1503 | 42.2 1.1 | 0724 | 44.1 0.7 | 95 | 98 0 | 87 15 | 1.3 | 6.9 0.3 | 1412 | 0.01 | 7.08 | - | - | - |
| Fulton-SW (Ranch 21) | 11/28/25 | 47.2 7.0 | 1557 | 42.1 2.7 | 0708 | -41.8 10.9 | 21 | 100 0 | 0 0 | 1.4 | 6.1 0.4 | 1029 | 0.01 | 7.41 | 0.036 0.002 | 81 61 | - |
| Santa Rosa-NW (Goldfields) | 11/28/25 | 47.8 9.9 | 1449 | 42.4 2.6 | 0648 | 44.8 0.8 | 98 | 100 0 | 92 26 | 1.7 | 6.6 1.5 | 1023 | 0.00 | 7.71 | 0.014 0.006 | 62 37 | - |
| Goldfields Remote | 11/28/25 | 48.2 7.0 | 1456 | 42.5 3.0 | 0715 | - | - | - | - | - | - | - | - | - | - | - | 0 |
| NW Santa Rosa (Piner Road) | 11/28/25 | 47.6 6.8 | 1550 | 42.5 3.9 | 0647 | 45.2 0.6 | 100 | 100 0 | 100 19 | 1.0 | 5.3 0.6 | 1029 | 0.00 | 5.98 | - | - | - |
| River Rd South (Denner Ranch) | 11/28/25 | 47.6 10.4 | 1522 | 42.3 4.9 | 0713 | 45.0 0.9 | 100 | 100 0 | 99 32 | 2.1 | 9.4 1.3 | 1335 | - | - | - | - | - |
| West Santa Rosa (LOV Vineyard) | 11/28/25 | 47.9 9.0 | 1540 | 42.4 4.0 | 0628 | 44.4 0.7 | 97 | 100 0 | 92 24 | 1.0 | 6.0 0.9 | 2316 | 0.00 | 8.09 | 0.001 0.001 | 0 0 | 0 |
| Guerneville Rd (Prokopakis) | 11/28/25 | 49.2 6.3 | 1508 | 42.9 4.4 | 0642 | 44.8 0.7 | 97 | 100 0 | 90 19 | - | - | - | 0.00 | 7.12 | - | - | - |
| Guerneville Rd West (Balletto) | 11/28/25 | 47.7 7.5 | 1532 | 42.7 5.8 | 0627 | 45.0 1.1 | 99 | 100 0 | 97 19 | 1.3 | 5.5 0.8 | 2335 | 0.00 | 5.80 | - | - | - |
| Sanchietti Ranch | 11/28/25 | 49.0 6.7 | 1532 | 43.4 2.3 | 0524 | 45.8 0.1 | - | 100 0 | 95 14 | 1.8 | 7.1 0.7 | 1344 | 0.01 | 6.97 | - | - | - |
| Occidental Rd (Sebastopol) | 11/28/25 | 47.9 8.3 | 1529 | 41.9 1.4 | 0536 | 45.0 0.6 | 100 | 100 0 | 100 23 | 1.2 | 5.9 2.6 | 1402 | 0.00 | 5.78 | - | - | - |
| Lower Westside Rd (Ranch 12) | 11/28/25 | 47.6 9.3 | 1433 | 43.3 6.6 | 0604 | 45.0 1.7 | 100 | 100 0 | 95 31 | 1.2 | 5.8 0.4 | 1312 | 0.00 | 8.39 | - | - | 0 |
| Guerneville (Laughlin Rd) | 11/28/25 | 49.8 3.5 | 1417 | 42.8 0.2 | 0800 | 44.8 0.8 | 96 | 98 0 | 88 12 | 1.0 | 5.2 0.1 | 1103 | 0.01 | 9.25 | - | - | - |
| Korbel (Winery) | 11/28/25 | 49.1 5.0 | 1404 | 43.3 0.4 | 0812 | 45.0 0.5 | 97 | 100 0 | 90 14 | 0.0 | 5.3 1.2 | 1409 | 0.00 | 9.41 | - | - | - |
| Forestville (Shone Farms) | 11/28/25 | 48.4 7.6 | 1805 | 41.1 2.6 | 0803 | 44.2 0.6 | 98 | 99 0 | 96 28 | 1.4 | 6.5 0.0 | 1236 | 0.02 | 9.07 | 0.013 0.015 | 54 88 | 0 |
| Forestville-NE (Ranch 30) | 11/28/25 | 47.0 10.3 | 1445 | 42.6 4.2 | 0716 | 44.2 0.9 | 100 | 100 0 | 98 27 | 1.6 | 6.8 0.4 | 2310 | 0.00 | 8.54 | 0.012 0.015 | 57 87 | - |
| Green Valley Vineyard | 11/28/25 | 47.1 8.9 | 1540 | 42.2 2.6 | 0205 | 44.0 0.4 | 99 | 99 0 | 98 31 | 1.2 | 6.1 0.9 | 2045 | 0.01 | 9.81 | 0.007 0.010 | 29 53 | - |
| Green Valley (Sanchietti) | 11/28/25 | 48.4 9.5 | 1511 | 43.4 5.2 | 0634 | - | - | - | - | - | - | - | - | - | - | - | - |
| Keefer Ranch (Green Valley) | 11/28/25 | 48.2 7.7 | 1513 | 43.5 6.2 | 0625 | 45.2 1.0 | 99 | 100 0 | 97 20 | - | - | - | 0.00 | 8.53 | - | - | - |
| Graton-South (Mill Station Rd) | 11/28/25 | 47.6 9.4 | 1521 | 42.4 4.1 | 0522 | 44.6 0.6 | 98 | 100 0 | 96 25 | 0.1 | 3.9 0.0 | 2325 | 0.01 | 8.32 | - | - | 0 |
| Occidental (Horseshoe Bend) | 11/28/25 | 47.2 8.6 | 1340 | 41.1 0.4 | 0542 | 43.6 0.5 | - | 100 0 | 100 25 | - | - | - | 0.00 | 8.37 | - | - | - |
| Sexton Valley (Jacqueline's Blk) | 11/28/25 | 48.0 8.7 | 1456 | 42.5 3.4 | 0451 | 44.8 0.6 | 99 | 100 0 | 97 22 | 1.6 | 6.3 0.4 | 1048 | 0.01 | 6.95 | - | - | - |
| Sebastopol Hills (Burnside Rd) | 11/28/25 | 46.5 8.9 | 1351 | 41.4 1.3 | 0456 | 43.9 0.8 | 100 | 100 0 | 100 25 | 0.3 | 5.3 1.0 | 1854 | 0.00 | 7.39 | - | - | - |
| Seaview/Fort Ross (Hirsch) | 11/28/25 | 57.9 11.1 | 1442 | 44.7 2.8 | 2351 | 47.6 9.2 | 90 | 97 15 | 72 61 | 2.3 | 11.3 1.7 | 0214 | 0.00 | 13.06 | 0.044 0.018 | 224 26 | - |
| Max | 57.9 | - | 44.7 | - | 47.6 | 100 | 100 | 100 | 2.3 | 11.3 | - | 0.02 | 13.06 | 0.044 | 224 | - | |
| Avg | - | - | - | - | 37.1 | 89 | - | - | 1.2 | - | - | - | - | - | - | - | |
| Min | 46.5 | - | 41.1 | - | -41.8 | 21 | 88 | 0 | 0.0 | 3.9 | - | 0.00 | 1.82 | 0.001 | 0 | - |
| Station | Date | Daily Max Temp (°F) | Time of Max Temp | Daily Min Temp (°F) | Time of Min Temp | Dew Pt (°F) | 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 | 11/28/25 | 51.4 4.9 | 1433 | 37.2 0.4 | 0658 | 41.6 0.1 | 99 0 | 84 15 | 1.0 0.0 | 12.4 3.0 | 2340 | NE | 34 | 0.01 | 5.38 | 0.023 0.012 | 128 60 | - |
| Lower Bennett Valley | 11/28/25 | 51.8 5.7 | 1502 | 40.0 4.2 | 0625 | 43.9 1.4 | 100 0 | 88 19 | 1.5 0.1 | 5.7 2.3 | 1521 | WSW | 257 | 0.01 | 6.49 | 0.017 0.013 | 89 68 | 0 0 |
| Kenwood (Wildwood) | 11/28/25 | 47.0 7.7 | 1511 | 40.2 0.8 | 0435 | 43.3 0.4 | 100 0 | 100 28 | 1.3 0.1 | 7.1 0.6 | 0934 | SSW | 195 | 0.00 | 6.81 | 0.015 0.012 | 75 60 | - |
| Sonoma Valley (Bedrock) | 11/28/25 | 46.5 8.2 | 1443 | 40.0 1.1 | 0620 | 41.7 0.5 | 98 0 | 89 23 | - | - | - | - | 0.00 | 6.71 | - | - | - |
| Sonoma-West (Arnold) | 11/28/25 | 49.0 7.0 | 1400 | 42.5 1.2 | 0757 | 43.6 0.1 | 100 0 | 84 18 | 1.3 0.1 | 6.5 1.0 | 1036 | SSE | 150 | 0.00 | 4.40 | 0.017 0.021 | 78 106 | - |
| Sonoma Valley HS | 11/28/25 | 48.4 6.6 | 1414 | 42.2 1.3 | 0535 | 44.2 0.3 | 100 0 | 91 18 | 1.3 0.0 | 6.1 0.0 | 1748 | ESE | 114 | 0.00 | 4.60 | 0.015 0.021 | 68 121 | - |
| Sonoma East (Bundschu01) | 11/28/25 | 48.6 7.2 | 1509 | 42.0 4.4 | 0510 | 42.8 0.2 | 96 0 | 85 19 | 2.0 0.1 | 7.0 0.9 | 1743 | SE | 131 | 0.00 | 0.13 | 0.017 0.018 | 72 105 | - |
| Schellville (Sasaki) | 11/28/25 | 49.0 6.2 | 1413 | 42.8 4.2 | 0602 | 43.4 0.4 | 96 1 | 85 14 | 0.7 0.7 | 8.4 2.0 | 1738 | NNE | 27 | 0.00 | 4.40 | - | - | 0 0 |
| Sonoma-SE (Napoli) | 11/28/25 | 49.2 7.3 | 1458 | 41.8 3.5 | 0739 | 43.0 0.2 | 96 1 | 84 19 | 1.1 0.2 | 6.1 2.7 | 0944 | SE | 128 | 0.00 | 4.46 | - | - | 0 0 |
| Ricci Vineyards (Carneros) | 11/28/25 | 48.4 5.7 | 1503 | 42.3 4.7 | 0505 | 42.9 0.1 | 97 0 | 83 13 | 2.0 0.5 | 7.7 3.2 | 0915 | E | 91 | 0.00 | 4.89 | 0.019 0.017 | 82 95 | - |
| Carneros (Ranch 71) | 11/28/25 | 47.1 6.8 | 1528 | 41.1 0.3 | 0704 | 43.1 0.2 | 100 0 | 90 20 | 2.0 0.4 | 9.4 1.5 | 1506 | E | 80 | 0.00 | 4.47 | 0.016 0.015 | 77 89 | 0 0 |
| Carneros Upper (Ranch 81) | 11/27/25 | 55.4 2.7 | 1426 | 40.8 2.0 | 0539 | 33.7 27.0 | - | - | 2.6 1.3 | 9.6 3.1 | 1350 | SE | 133 | - | - | - | - | - |
| Carneros Lower (Ranch 81) | 11/27/25 | 54.3 2.2 | 1228 | 37.2 4.5 | 1915 | 43.0 2.1 | 100 0 | 72 3 | 1.5 0.0 | 9.1 1.5 | 1203 | SSE | 163 | 0.00 | 4.76 | 0.028 0.016 | 127 77 | - |
| Rohnert Park-West (Stony Point) | 11/28/25 | 48.5 7.3 | 1529 | 42.6 0.2 | 0503 | 44.5 0.4 | 100 1 | 93 17 | 2.2 1.0 | 8.3 3.3 | 1817 | SE | 124 | 0.00 | 1.55 | - | - | - |
| Cartograph Wines Base | 11/28/25 | 48.0 7.3 | 1504 | 41.9 0.7 | 0440 | 44.4 0.9 | 100 0 | 97 17 | 2.3 1.1 | 7.7 4.2 | 0545 | NNE | 18 | 0.00 | 6.66 | 0.014 0.017 | 71 97 | - |
| Cartograph Wines Remote | 11/28/25 | 49.2 3.7 | 1413 | 42.6 0.6 | 0429 | - | - | - | - | - | - | - | - | - | - | - | - |
| Rice-Spivak Vineyard | 11/28/25 | 48.9 8.6 | 1408 | 42.5 1.0 | 0444 | - | - | - | - | - | - | - | - | - | - | - | - |
| Penngrove (Asellus) | 11/28/25 | 49.4 5.8 | 1512 | 41.9 3.2 | 0432 | 43.2 0.0 | 98 1 | 84 15 | 3.8 0.7 | 10.8 3.4 | 0956 | E | 101 | 0.00 | 0.10 | - | - | 0 0 |
| Roger's Creek (Ranch 50) | 11/28/25 | 45.9 7.5 | 1417 | 40.6 0.5 | 0252 | 42.5 0.6 | 100 0 | 100 27 | 2.8 1.0 | 10.7 0.6 | 1437 | E | 88 | 0.00 | 5.78 | 0.014 0.012 | 76 74 | 0 0 |
| Petaluma (Ranch 10) | 11/28/25 | 51.9 4.3 | 1427 | 43.3 2.8 | 0323 | 43.4 0.3 | 96 0 | 77 8 | 1.6 0.5 | 5.0 1.7 | 1326 | W | 261 | 0.00 | 4.29 | 0.018 0.013 | 78 70 | 0 0 |
| Max | 51.9 | - | 43.3 | - | 44.5 | 100 | 100 | 3.8 | 12.4 | - | - | 0.01 | 6.81 | 0.023 | 128 | - | |
| Avg | - | - | - | - | 43.2 | - | - | 1.8 | - | - | - | - | - | - | - | - | |
| Min | 45.9 | - | 37.2 | - | 41.6 | 96 | 77 | 0.7 | 5.0 | - | - | 0.00 | 0.10 | 0.014 | 68 | - |