| 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) | 2/1/26 | 67.0 3.1 | 1314 | 50.1 1.2 | 2327 | 37.6 0.6 | 51 | 84 19 | 23 0 | 3.0 | 16.1 7.6 | 1517 | WNW | 285 | 0.00 | 29.13 | - | - | 0 0 |
| Rockpile Upper (Cooley) | 2/1/26 | 62.8 4.1 | 1448 | 46.8 3.9 | 2315 | 33.2 0.4 | 48 | 92 24 | 23 2 | 8.7 | 23.9 5.0 | 1539 | NW | 319 | 0.00 | 29.84 | 0.111 0.019 | 309 40 | 0 0 |
| Cloverdale-East (Ranch 83) | 2/1/26 | 70.7 0.8 | 1527 | 41.5 5.4 | 0001 | 40.5 1.1 | - | - | - | 4.7 | 19.0 0.1 | 0722 | N | 0 | 0.00 | 25.21 | 0.085 0.021 | 258 19 | 0 0 |
| Cloverdale-SE (Ranch 38) | 2/1/26 | 69.6 2.7 | 1523 | 46.3 3.1 | 0542 | 42.3 1.9 | 63 | 87 1 | 28 1 | 6.7 | 21.3 2.2 | 1331 | NNE | 17 | 0.00 | 26.66 | 0.096 0.033 | 255 28 | 0 0 |
| Geyserville-North (Hoffman) | 2/1/26 | 71.2 0.8 | 1548 | 38.0 4.5 | 0607 | 41.9 0.9 | 72 | 97 0 | 22 4 | 2.6 | 11.7 3.2 | 1349 | WNW | 288 | 0.00 | 25.50 | 0.073 0.017 | 239 30 | 0 0 |
| Geyserville (Ranch 3) | 2/1/26 | 70.5 0.7 | 1546 | 38.5 4.0 | 0733 | 41.9 0.4 | 72 | 100 0 | 20 7 | 3.3 | 13.7 5.3 | 1405 | WNW | 296 | 0.00 | 25.55 | 0.079 0.025 | 251 31 | 0 0 |
| Geyserville-East (Ranch 40) | 2/1/26 | 72.2 0.5 | 1512 | 45.1 1.9 | 0801 | 43.3 0.2 | 66 | 94 1 | 24 6 | 3.8 | 14.8 4.3 | 1536 | NW | 317 | 0.00 | 25.99 | 0.081 0.019 | 271 32 | 0 0 |
| Geyserville-South (Nervo Station) | 2/1/26 | 70.4 1.4 | 1509 | 42.6 5.0 | 0708 | - | - | - | - | 2.8 | 19.5 13.1 | 2028 | NW | 308 | 0.00 | 19.54 | - | - | 0 0 |
| Jimtown-North (Piccolo Ranch 15) | 2/1/26 | 72.0 0.9 | 1551 | 37.6 4.7 | 0722 | 39.7 1.0 | 73 | 100 0 | 20 7 | 1.7 | 12.5 7.0 | 1414 | W | 266 | 0.00 | 23.77 | 0.064 0.016 | 236 31 | 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) | 2/1/26 | 73.1 0.9 | 1513 | 37.3 5.3 | 0715 | 40.5 0.7 | 77 | 100 0 | 20 13 | 1.4 | 9.4 3.0 | 1343 | NW | 320 | 0.00 | 22.94 | 0.066 0.015 | 244 38 | 0 0 |
| N Chalk Hill Rd (Ranch 63) | 2/1/26 | 70.2 1.6 | 1507 | 37.6 5.9 | 0621 | 39.5 1.3 | 74 | 100 0 | 24 14 | 1.2 | 9.3 1.2 | 1535 | W | 281 | 0.00 | 24.29 | 0.069 0.018 | 242 34 | 0 |
| Knights Valley (Bavarian Lion) | 2/1/26 | 71.8 1.8 | 1650 | 34.8 3.8 | 2331 | 38.8 1.1 | 76 | 98 0 | 21 9 | 2.1 | 9.9 0.4 | 1340 | NW | 322 | 0.00 | 22.82 | 0.069 0.008 | 275 29 | - |
| Upper Dry Creek Valley | 2/1/26 | 71.8 1.4 | 1425 | 39.1 3.0 | 0720 | 41.0 0.8 | 72 | 98 1 | 19 3 | 2.0 | 11.4 6.2 | 1602 | WNW | 294 | 0.00 | 27.62 | 0.077 0.019 | 267 23 | - |
| Lower Dry Creek Valley | 2/1/26 | 72.4 0.2 | 1529 | 38.5 3.9 | 0733 | 42.2 0.2 | 74 | 100 0 | 20 9 | 1.8 | 9.8 3.2 | 1423 | NNW | 336 | 0.00 | 27.19 | 0.066 0.013 | 258 36 | 0 0 |
| Max | 73.1 | - | 50.1 | - | 43.3 | 77 | 100 | 28 | 8.7 | 23.9 | - | - | 0.00 | 29.84 | 0.111 | 309 | - | |
| Avg | - | - | - | - | 40.2 | 68 | - | - | 3.3 | - | - | - | - | - | - | - | - | |
| Min | 62.8 | - | 34.8 | - | 33.2 | 48 | 84 | 19 | 1.2 | 9.3 | - | - | 0.00 | 19.54 | 0.064 | 236 | - |
| 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) | 2/1/26 | 72.9 3.9 | 1544 | 38.6 3.6 | 0730 | - | - | 100 0 | 28 13 | 0.8 | 7.7 0.0 | 2050 | 0.00 | 19.55 | - | - | 0 |
| Windsor-NW (Ranch 8) | 2/1/26 | 75.4 2.5 | 1547 | 42.0 3.0 | 0423 | 43.9 0.3 | 71 | 88 0 | 36 5 | 0.5 | 6.4 0.7 | 0200 | 0.00 | 23.60 | 0.064 0.007 | 273 26 | 0 |
| Windsor-East (Ranch 16) | 2/1/26 | 74.2 7.2 | 1619 | 38.0 3.8 | 0609 | 42.6 0.7 | 77 | 100 0 | 27 18 | 1.0 | 6.4 1.0 | 1339 | 0.00 | 17.44 | 0.068 0.011 | 278 35 | 0 |
| Mark West-North (Ranch 14) | 2/1/26 | 72.1 6.8 | 1523 | 38.5 2.9 | 0547 | 42.2 0.4 | 77 | 98 0 | 27 17 | 0.6 | 5.4 1.1 | 1425 | 0.00 | 19.07 | 0.008 0.002 | 0 0 | 0 |
| Windsor-SE (Silk Rd) | 2/1/26 | 73.8 7.2 | 1611 | 36.7 3.2 | 0744 | 41.8 0.1 | 79 | 100 0 | 32 11 | 0.7 | 5.1 1.1 | 1517 | 0.00 | 15.45 | 0.065 0.009 | 279 35 | 0 |
| Fulton-NW (Ranch 5) | 2/1/26 | 69.4 5.8 | 1618 | 36.9 3.7 | 0537 | 23.6 8.7 | 55 | 100 0 | 3 0 | 0.9 | 5.7 2.4 | 1521 | 0.00 | 19.05 | 0.066 0.011 | 271 31 | 0 |
| Windsor-South (Laughlin Rd) | 2/1/26 | 72.9 6.9 | 1509 | 38.8 3.9 | 0700 | 28.6 11.6 | 63 | 100 0 | 0 0 | - | - | - | 0.00 | 19.00 | - | - | - |
| Fulton-SE (Barnes Rd) | 2/1/26 | 69.9 4.9 | 1612 | 37.9 3.2 | 0639 | 43.0 0.3 | 79 | 98 0 | 37 16 | 0.5 | 5.9 0.7 | 0145 | 0.00 | 18.33 | - | - | - |
| Fulton-SW (Ranch 21) | 2/1/26 | 69.7 6.0 | 1424 | 37.7 3.9 | 0733 | 6.0 7.6 | 46 | 100 0 | 0 0 | 1.2 | 4.7 2.3 | 0108 | 0.00 | 18.60 | 0.071 0.012 | 299 36 | - |
| Santa Rosa-NW (Goldfields) | 2/1/26 | 73.0 7.1 | 1438 | 38.1 4.1 | 0517 | 43.0 0.5 | 78 | 100 0 | 33 14 | 1.1 | 5.5 2.7 | 0146 | 0.00 | 19.57 | 0.062 0.009 | 252 27 | - |
| Goldfields Remote | 2/1/26 | 69.6 5.4 | 1421 | 37.5 3.6 | 0728 | - | - | - | - | - | - | - | - | - | - | - | 0 |
| NW Santa Rosa (Piner Road) | 2/1/26 | 69.3 5.4 | 1604 | 37.4 3.4 | 0543 | 44.2 0.1 | 86 | 100 0 | 44 17 | 0.8 | 5.1 2.4 | 1627 | 0.01 | 16.85 | - | - | 0 |
| River Rd South (Denner Ranch) | 2/1/26 | 74.9 8.8 | 1558 | 37.0 2.4 | 0611 | 44.2 0.2 | 82 | 100 0 | 34 15 | 1.3 | 7.0 0.0 | 0210 | - | - | - | - | 0 |
| West Santa Rosa (LOV Vineyard) | 2/1/26 | 72.5 6.6 | 1553 | 38.0 2.6 | 0727 | 42.9 0.5 | 80 | 100 0 | 35 15 | 0.8 | 6.1 1.0 | 1610 | 0.00 | 15.79 | 0.009 0.004 | 0 0 | 0 |
| Guerneville Rd (Prokopakis) | 2/1/26 | 68.9 5.4 | 1551 | 39.0 3.1 | 0632 | 44.0 0.0 | 81 | 100 0 | 41 13 | - | - | - | 0.00 | 17.71 | - | - | 0 |
| Guerneville Rd West (Balletto) | 2/1/26 | 69.6 6.0 | 1540 | 37.3 3.3 | 0555 | 43.8 0.0 | 84 | 100 0 | 46 13 | 1.1 | 5.2 1.3 | 0136 | 0.00 | 17.59 | - | - | 0 |
| Sanchietti Ranch | 2/1/26 | 67.9 3.9 | 1457 | 38.9 3.4 | 0653 | 45.3 0.4 | - | 100 0 | 52 13 | 1.4 | 6.3 2.2 | 0145 | 0.00 | 18.47 | - | - | - |
| Occidental Rd (Sebastopol) | 2/1/26 | 68.3 3.8 | 1539 | 36.7 3.3 | 0731 | 48.0 0.6 | 96 | 100 0 | 70 28 | 1.1 | 5.3 0.7 | 0141 | 0.00 | 6.80 | - | - | 0 |
| Lower Westside Rd (Ranch 12) | 2/1/26 | 74.6 2.6 | 1435 | 40.5 3.1 | 0633 | 42.4 0.8 | 72 | 100 0 | 28 8 | 0.4 | 4.3 0.7 | 0058 | 0.00 | 22.96 | - | - | 0 |
| Guerneville (Laughlin Rd) | 2/1/26 | 68.0 2.0 | 1352 | 42.0 0.4 | 2148 | 46.0 0.9 | 88 | 99 0 | 49 10 | 0.6 | 4.4 0.0 | 0107 | 0.00 | 31.38 | - | - | - |
| Korbel (Winery) | 2/1/26 | 70.5 3.9 | 1420 | 43.6 0.9 | 0816 | 46.4 0.8 | 86 | 100 0 | 35 9 | 0.7 | 6.1 2.1 | 0128 | 0.00 | 28.76 | - | - | - |
| Forestville (Shone Farms) | 2/1/26 | 70.6 5.1 | 1701 | 40.5 3.3 | 0756 | 44.7 0.3 | 79 | 98 0 | 38 9 | 1.3 | 9.6 3.7 | 0201 | 0.00 | 24.37 | 0.065 0.009 | 263 32 | 0 |
| Forestville-NE (Ranch 30) | 2/1/26 | 72.8 6.9 | 1420 | 40.6 3.2 | 0406 | 45.9 0.7 | 84 | 100 0 | 40 11 | 1.0 | 6.9 0.1 | 1526 | 0.01 | 22.72 | 0.063 0.008 | 257 19 | - |
| Green Valley Vineyard | 2/1/26 | 70.3 5.3 | 1609 | 41.9 3.4 | 0739 | 45.0 0.4 | 80 | 99 0 | 33 12 | 1.8 | 6.8 0.4 | 0202 | 0.00 | 27.57 | 0.012 0.005 | 10 10 | - |
| Green Valley (Sanchietti) | 2/1/26 | 74.0 6.9 | 1507 | 37.7 2.1 | 0738 | - | - | - | - | - | - | - | - | - | - | - | 0 |
| Keefer Ranch (Green Valley) | 2/1/26 | 70.8 5.4 | 1508 | 37.2 2.5 | 0722 | 43.5 0.3 | 85 | 100 0 | 39 11 | - | - | - | 0.00 | 24.74 | - | - | - |
| Graton-South (Mill Station Rd) | 2/1/26 | 71.0 5.4 | 1437 | 36.0 1.9 | 0733 | 42.6 0.6 | 82 | 100 0 | 38 8 | 0.1 | 3.9 0.1 | 1523 | 0.00 | 21.92 | - | - | 0 |
| Occidental (Horseshoe Bend) | 2/1/26 | 67.3 1.9 | 1608 | 47.7 0.0 | 0702 | 45.2 1.0 | - | 92 3 | 39 0 | - | - | - | 0.01 | 16.14 | - | - | - |
| Sexton Valley (Jacqueline's Blk) | 2/1/26 | 69.3 3.6 | 1536 | 37.0 2.6 | 0732 | 43.9 0.4 | 86 | 100 0 | 46 6 | 1.0 | 5.4 1.0 | 0935 | 0.00 | 7.43 | - | - | 0 |
| Sebastopol Hills (Burnside Rd) | 2/1/26 | 66.6 3.1 | 1442 | 44.9 3.0 | 0641 | 47.0 0.7 | 78 | 100 0 | 52 4 | 0.8 | 7.2 0.1 | 1541 | 0.00 | 21.70 | - | - | 0 |
| Seaview/Fort Ross (Hirsch) | 2/1/26 | 64.1 3.8 | 1452 | 47.0 3.9 | 0718 | 35.0 1.2 | 49 | 86 10 | 17 15 | 3.2 | 10.0 6.4 | 2255 | 0.00 | 38.17 | 0.081 0.022 | 286 29 | - |
| Max | 75.4 | - | 47.7 | - | 48.0 | 96 | 100 | 70 | 3.2 | 10.0 | - | 0.01 | 38.17 | 0.081 | 299 | - | |
| Avg | - | - | - | - | 41.2 | 77 | - | - | 1.0 | - | - | - | - | - | - | - | |
| Min | 64.1 | - | 36.0 | - | 6.0 | 46 | 86 | 0 | 0.1 | 3.9 | - | 0.00 | 6.80 | 0.008 | 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 | 2/1/26 | 68.2 3.3 | 1548 | 46.4 3.1 | 0730 | 41.1 0.9 | 81 4 | 22 15 | 2.2 0.3 | 7.7 0.2 | 2103 | NNE | 23 | 0.00 | 5.41 | 0.076 0.015 | 307 38 | - |
| Lower Bennett Valley | 2/1/26 | 68.2 2.1 | 1556 | 35.2 3.1 | 2343 | 39.9 2.6 | 100 0 | 29 28 | 1.5 0.0 | 9.5 0.3 | 1328 | NNW | 329 | 0.00 | 17.66 | 0.072 0.019 | 278 46 | 0 0 |
| Kenwood (Wildwood) | 2/1/26 | 68.6 5.8 | 1319 | 38.2 4.1 | 0728 | 42.2 0.7 | 100 0 | 34 23 | 2.6 0.4 | 10.1 1.0 | 1431 | NNW | 341 | 0.00 | 21.27 | 0.066 0.013 | 247 23 | - |
| Sonoma Valley (Bedrock) | 2/1/26 | 68.4 5.1 | 1459 | 37.4 3.4 | 0547 | 39.8 1.8 | 97 2 | 21 33 | - | - | - | - | 0.00 | 17.18 | - | - | - |
| Sonoma-West (Arnold) | 2/1/26 | 72.6 6.5 | 1502 | 36.8 1.3 | 0632 | 42.6 0.1 | 100 0 | 24 26 | 1.6 0.4 | 7.3 1.5 | 1513 | NNE | 28 | 0.00 | 14.43 | 0.073 0.014 | 290 31 | - |
| Sonoma Valley HS | 2/1/26 | 70.2 4.1 | 1529 | 37.9 1.8 | 0613 | 44.7 0.0 | 100 0 | 31 27 | 0.9 0.3 | 7.7 3.6 | 1514 | NNE | 14 | 0.01 | 5.16 | 0.060 0.009 | 256 22 | - |
| Sonoma East (Bundschu01) | 2/1/26 | 71.3 4.7 | 1523 | 36.3 1.9 | 0704 | 42.2 0.4 | 98 1 | 26 25 | 1.6 0.4 | 8.1 1.8 | 1612 | WNW | 291 | 0.00 | 11.78 | 0.067 0.012 | 275 30 | - |
| Schellville (Sasaki) | 1/20/26 | 53.6 10.2 | 1425 | 36.7 3.9 | 0123 | 42.3 2.2 | 97 1 | 75 26 | 1.3 0.0 | 7.1 1.7 | 0937 | NNE | 26 | 0.00 | 0.00 | - | - | 0 0 |
| Sonoma-SE (Napoli) | 2/1/26 | 71.1 2.1 | 1510 | 37.4 1.8 | 0707 | 42.8 0.1 | 96 1 | 35 14 | 0.7 0.5 | 8.1 2.3 | 1512 | SW | 223 | 0.00 | 11.06 | - | - | 0 0 |
| Ricci Vineyards (Carneros) | 2/1/26 | 68.5 0.9 | 1528 | 36.8 2.4 | 0658 | 42.9 0.1 | 97 1 | 39 9 | 2.6 0.2 | 10.1 1.7 | 1509 | W | 267 | 0.00 | 14.07 | 0.072 0.010 | 287 27 | - |
| Carneros (Ranch 71) | 2/1/26 | 67.5 2.4 | 1529 | 44.0 2.2 | 0241 | 44.5 1.1 | 92 0 | 41 9 | 2.5 0.2 | 10.5 0.4 | 0154 | ENE | 77 | 0.00 | 12.09 | 0.069 0.010 | 272 29 | 0 0 |
| Carneros Upper (Ranch 81) | 2/1/26 | 68.3 0.4 | 1535 | 45.5 0.4 | 0244 | 44.3 0.1 | - | - | 3.1 0.1 | 11.5 1.7 | 0240 | WNW | 282 | - | - | - | - | 0 |
| Carneros Lower (Ranch 81) | 2/1/26 | 69.6 2.7 | 1451 | 39.7 3.0 | 0708 | 43.6 25.8 | 100 0 | 0 0 | 1.0 0.2 | 8.2 1.2 | 0239 | WNW | 285 | 0.00 | 12.89 | 0.044 0.002 | 175 2 | 0 |
| Rohnert Park-West (Stony Point) | 2/1/26 | 67.4 4.1 | 1415 | 35.6 1.1 | 2356 | 43.2 1.2 | 99 0 | 53 11 | 0.9 0.4 | 8.6 0.2 | 0151 | WNW | 296 | 0.00 | 1.72 | - | - | - |
| Cartograph Wines Base | 2/1/26 | 64.5 1.8 | 1433 | 42.6 3.0 | 0753 | 47.8 0.7 | 100 0 | 56 14 | 1.9 0.0 | 10.0 1.7 | 1500 | SSW | 193 | 0.00 | 17.58 | 0.064 0.013 | 280 38 | - |
| Cartograph Wines Remote | 2/1/26 | 65.8 4.2 | 1203 | 37.7 1.7 | 0525 | - | - | - | - | - | - | - | - | - | - | - | - |
| Rice-Spivak Vineyard | 2/1/26 | 66.0 1.6 | 1237 | 34.1 0.7 | 0539 | - | - | - | - | - | - | - | - | - | - | - | - |
| Penngrove (Asellus) | 2/1/26 | 68.2 4.7 | 1433 | 37.8 2.1 | 0702 | 42.0 1.7 | 98 1 | 33 25 | 1.7 0.8 | 8.2 1.7 | 0922 | W | 278 | 0.00 | 15.60 | - | - | 0 0 |
| Petaluma (Ranch 10) | 2/1/26 | 71.0 6.8 | 1442 | 36.8 1.9 | 0640 | 41.0 3.6 | 100 0 | 32 25 | 1.1 0.2 | 10.3 3.3 | 1450 | W | 270 | 0.00 | 11.68 | 0.063 0.012 | 228 23 | 0 0 |
| Max | 72.6 | - | 46.4 | - | 47.8 | 100 | 56 | 3.1 | 11.5 | - | - | 0.01 | 21.27 | 0.076 | 307 | - | |
| Avg | - | - | - | - | 42.8 | - | - | 1.7 | - | - | - | - | - | - | - | - | |
| Min | 64.5 | - | 34.1 | - | 39.8 | 81 | 0 | 0.7 | 7.3 | - | - | 0.00 | 1.72 | 0.044 | 175 | - |