| 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) | 2/26/26 | 74.8 8.8 | 1411 | 50.4 2.7 | 0545 | 48.6 5.9 | 68 | 98 2 | 36 36 | 2.8 | 17.5 9.2 | 1833 | WNW | 288 | 0.00 | 36.96 | - | - | 0 0 |
| Rockpile Upper (Cooley) | 2/26/26 | 71.5 10.0 | 1422 | 52.0 1.5 | 0120 | 47.4 5.6 | 67 | 94 6 | 36 45 | 5.7 | 23.4 9.4 | 1949 | NNW | 328 | 0.00 | 37.63 | 0.126 0.079 | 411 211 | 0 0 |
| Cloverdale-East (Ranch 83) | 2/26/26 | 76.9 7.7 | 1405 | 47.8 4.5 | 0422 | 29.7 28.5 | - | - | - | 3.0 | 14.5 8.1 | 0833 | SE | 130 | 0.01 | 30.99 | 0.108 0.046 | 362 164 | 0 0 |
| Cloverdale-SE (Ranch 38) | 2/26/26 | 76.4 7.7 | 1540 | 49.3 4.7 | 0724 | 50.7 5.8 | 72 | 99 1 | 41 27 | 4.1 | 16.4 7.1 | 2302 | E | 92 | 0.00 | 32.45 | 0.106 0.055 | 334 137 | 0 0 |
| Geyserville-North (Hoffman) | 2/25/26 | 68.1 8.7 | 1441 | 50.6 3.7 | 2357 | 56.5 0.4 | 91 | 98 1 | 67 27 | 1.6 | 8.3 5.3 | 0030 | ESE | 121 | 0.00 | 25.50 | 0.048 0.034 | 166 128 | 0 0 |
| Geyserville (Ranch 3) | 2/26/26 | 77.3 9.3 | 1547 | 47.6 4.7 | 0641 | 51.4 5.7 | 75 | 100 0 | 33 30 | 2.4 | 11.4 3.9 | 2224 | WNW | 285 | 0.00 | 31.63 | 0.103 0.053 | 374 189 | 0 0 |
| Geyserville-East (Ranch 40) | 2/26/26 | 77.7 10.6 | 1426 | 49.5 5.4 | 0708 | 53.8 3.0 | 80 | 100 0 | 40 37 | 0.0 | 0.1 12.7 | 1628 | SSW | 204 | 0.02 | 32.10 | 0.099 0.052 | 393 211 | 0 0 |
| Geyserville-South (Nervo Station) | 2/26/26 | 75.8 8.1 | 1517 | 48.9 5.8 | 0644 | - | - | - | - | 1.9 | 18.5 12.4 | 2220 | WNW | 293 | 0.00 | 24.64 | - | - | 0 0 |
| Jimtown-North (Piccolo Ranch 15) | 2/26/26 | 77.1 8.5 | 1529 | 51.3 4.2 | 0803 | 53.4 3.6 | 79 | 100 0 | 36 28 | 1.3 | 7.5 2.2 | 1616 | SSW | 194 | 0.01 | 29.34 | 0.088 0.042 | 328 156 | 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) | 2/26/26 | 79.3 11.6 | 1601 | 50.6 2.6 | 0754 | 54.3 2.7 | 83 | 100 0 | 35 32 | 1.7 | 7.2 0.5 | 0605 | NE | 44 | 0.00 | 28.05 | 0.090 0.046 | 325 167 | 0 0 |
| N Chalk Hill Rd (Ranch 63) | 2/26/26 | 75.3 9.2 | 1613 | 47.6 3.7 | 0647 | 52.0 1.9 | 82 | 100 0 | 36 35 | 1.6 | 9.4 2.5 | 2249 | WSW | 257 | 0.01 | 29.59 | 0.061 0.038 | 201 127 | 0 0 |
| Knights Valley (Bavarian Lion) | 2/26/26 | 76.5 11.1 | 1640 | 49.3 2.4 | 0716 | 52.4 3.1 | 82 | 98 1 | 30 41 | 1.8 | 9.0 1.8 | 1413 | NW | 320 | 0.00 | 27.71 | 0.098 0.049 | 375 188 | - |
| Upper Dry Creek Valley | 2/26/26 | 78.9 10.8 | 1534 | 48.3 2.4 | 0717 | 52.3 3.2 | 65 | 98 0 | 35 29 | 1.5 | 7.5 1.2 | 2107 | WNW | 301 | 0.01 | 34.53 | 0.102 0.050 | 385 182 | - |
| Lower Dry Creek Valley | 2/26/26 | 78.2 7.6 | 1453 | 50.2 4.7 | 0727 | 53.4 4.1 | 79 | 100 0 | 36 24 | 0.5 | 7.8 1.7 | 0931 | NW | 307 | 0.00 | 33.46 | 0.094 0.041 | 361 164 | 0 0 |
| Max | 79.3 | - | 52.0 | - | 54.3 | 83 | 100 | 41 | 5.7 | 23.4 | - | - | 0.02 | 37.63 | 0.126 | 411 | - | |
| Avg | - | - | - | - | 49.9 | 75 | - | - | 2.2 | - | - | - | - | - | - | - | - | |
| Min | 71.5 | - | 47.6 | - | 29.7 | 65 | 94 | 30 | 0.0 | 0.1 | - | - | 0.00 | 24.64 | 0.061 | 201 | - |
| 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) | 2/11/26 | 61.5 0.6 | 1136 | 49.6 13.4 | 0010 | - | - | 95 5 | 60 9 | 3.9 | 21.6 12.3 | 0227 | 0.18 | 19.98 | - | - | 0 |
| Windsor-NW (Ranch 8) | 2/26/26 | 79.2 10.9 | 1433 | 50.2 5.9 | 0633 | 54.6 0.6 | 79 | 91 2 | 45 30 | 1.5 | 7.7 0.4 | 1355 | 0.00 | 29.04 | 0.099 0.044 | 375 174 | 0 |
| Windsor-East (Ranch 16) | 2/26/26 | 76.2 9.6 | 1545 | 52.1 1.9 | 0644 | 55.1 2.1 | 83 | 100 0 | 41 31 | 1.6 | 9.8 2.3 | 2323 | 0.01 | 21.85 | 0.096 0.055 | 360 211 | 0 |
| Mark West-North (Ranch 14) | 2/26/26 | 75.1 9.8 | 1502 | 52.3 1.1 | 0732 | 54.4 2.2 | 81 | 99 0 | 42 30 | 1.1 | 6.1 0.7 | 1038 | 0.01 | 23.66 | 0.011 0.007 | 0 0 | 0 |
| Windsor-SE (Silk Rd) | 2/26/26 | 75.0 8.3 | 1538 | 51.2 3.2 | 0721 | 55.0 2.1 | 85 | 100 0 | 50 22 | 1.6 | 7.5 0.7 | 1208 | 0.00 | 21.03 | 0.096 0.049 | 376 201 | 0 |
| Fulton-NW (Ranch 5) | 2/26/26 | 73.4 7.8 | 1603 | 52.2 0.1 | 0816 | 20.6 3.6 | 44 | 100 0 | 3 0 | 1.7 | 7.2 0.7 | 1700 | 0.00 | 23.93 | 0.104 0.042 | 360 191 | 0 |
| Windsor-South (Laughlin Rd) | 2/26/26 | 76.4 9.9 | 1602 | 51.3 3.5 | 0751 | 10.7 3.7 | 41 | 100 0 | 0 0 | - | - | - | 0.00 | 24.07 | - | - | - |
| Fulton-SE (Barnes Rd) | 2/26/26 | 74.5 9.5 | 1603 | 53.5 0.5 | 0811 | 55.1 1.7 | 84 | 98 1 | 48 27 | 1.5 | 7.9 1.3 | 1657 | 0.00 | 22.97 | - | - | - |
| Fulton-SW (Ranch 21) | 2/26/26 | 73.3 8.5 | 1519 | 52.4 0.6 | 2351 | 3.1 16.0 | 42 | 100 0 | 0 0 | 1.8 | 8.7 0.7 | 1141 | 0.00 | 23.41 | 0.110 0.047 | 380 217 | - |
| Santa Rosa-NW (Goldfields) | 2/26/26 | 77.0 11.2 | 1534 | 52.9 0.5 | 0804 | 55.0 2.0 | 85 | 100 0 | 42 32 | 1.9 | 8.6 1.1 | 1142 | 0.01 | 24.82 | 0.083 0.046 | 309 177 | - |
| Goldfields Remote | 2/26/26 | 74.1 8.5 | 1519 | 52.3 1.3 | 2359 | - | - | - | - | - | - | - | - | - | - | - | 0 |
| NW Santa Rosa (Piner Road) | 2/26/26 | 74.4 9.7 | 1531 | 52.1 0.2 | 2359 | 56.3 1.7 | 91 | 100 0 | 54 30 | 1.3 | 7.5 1.4 | 1149 | 0.01 | 21.86 | - | - | 0 |
| River Rd South (Denner Ranch) | 2/26/26 | 75.3 8.9 | 1511 | 51.8 3.5 | 0716 | 55.3 2.6 | 87 | 100 0 | 45 28 | 2.5 | 7.9 0.4 | 0914 | - | - | - | - | 0 |
| West Santa Rosa (LOV Vineyard) | 2/26/26 | 75.0 9.4 | 1527 | 52.1 1.3 | 0804 | 54.5 2.3 | 85 | 100 0 | 46 29 | 1.5 | 8.0 1.7 | 1636 | 0.09 | 16.22 | 0.011 0.008 | 0 0 | 0 |
| Guerneville Rd (Prokopakis) | 2/26/26 | 75.7 9.9 | 1607 | 52.1 3.0 | 0733 | 54.8 2.3 | 84 | 100 0 | 29 46 | - | - | - | 0.01 | 23.00 | - | - | 0 |
| Guerneville Rd West (Balletto) | 2/26/26 | 74.1 8.9 | 1538 | 52.4 1.2 | 0741 | 55.7 1.8 | 89 | 100 0 | 51 29 | 1.7 | 7.8 0.7 | 0925 | 0.01 | 22.51 | - | - | 0 |
| Sanchietti Ranch | 2/26/26 | 73.8 8.4 | 1511 | 53.7 0.3 | 2342 | 55.9 1.8 | - | 100 1 | 45 36 | 2.0 | 9.4 2.7 | 1548 | 0.01 | 23.44 | - | - | - |
| Occidental Rd (Sebastopol) | 2/26/26 | 73.7 8.2 | 1516 | 51.3 0.6 | 2337 | 58.6 0.4 | 99 | 100 0 | 74 26 | 1.7 | 8.3 1.1 | 1133 | 0.00 | 6.90 | - | - | 0 |
| Lower Westside Rd (Ranch 12) | 2/26/26 | 76.9 6.2 | 1550 | 50.5 5.1 | 0703 | 56.4 0.6 | 76 | 98 2 | 45 15 | 1.3 | 19.7 19.7 | 0943 | 0.11 | 28.22 | - | - | 0 |
| Guerneville (Laughlin Rd) | 2/26/26 | 76.3 7.6 | 1347 | 50.7 4.0 | 0723 | 54.6 1.9 | 89 | 99 1 | 49 17 | 1.1 | 10.9 3.4 | 1504 | 0.00 | 39.17 | - | - | - |
| Korbel (Winery) | 2/26/26 | 74.0 7.4 | 1421 | 51.8 3.1 | 0747 | 54.7 2.2 | 88 | 100 0 | 49 24 | 1.2 | 10.6 4.0 | 1459 | 0.01 | 36.41 | - | - | - |
| Forestville (Shone Farms) | 2/26/26 | 74.2 7.3 | 1550 | 50.0 4.5 | 0625 | 55.0 1.9 | 85 | 99 0 | 52 25 | 2.0 | 10.7 4.5 | 1904 | 0.01 | 30.22 | 0.094 0.051 | 356 206 | 0 |
| Forestville-NE (Ranch 30) | 2/26/26 | 75.3 8.6 | 1559 | 51.1 3.5 | 0647 | 55.6 1.6 | 87 | 100 0 | 54 24 | 1.9 | 8.6 0.9 | 1502 | 0.00 | 28.37 | 0.099 0.055 | 371 205 | - |
| Green Valley Vineyard | 2/26/26 | 73.8 8.8 | 1533 | 52.4 0.9 | 0752 | 54.4 1.8 | 86 | 99 0 | 44 32 | 1.7 | 9.2 3.7 | 1505 | 0.01 | 34.96 | 0.075 0.046 | 262 167 | - |
| Green Valley (Sanchietti) | 2/26/26 | 77.6 10.7 | 1438 | 53.1 1.1 | 0741 | - | - | - | - | - | - | - | - | - | - | - | 0 |
| Keefer Ranch (Green Valley) | 2/26/26 | 73.9 8.5 | 1502 | 51.9 0.3 | 2359 | 55.2 1.5 | 88 | 99 1 | 50 29 | - | - | - | 0.01 | 31.23 | - | - | - |
| Graton-South (Mill Station Rd) | 2/26/26 | 74.3 9.5 | 1453 | 50.9 0.7 | 2333 | 51.4 5.3 | 92 | 98 2 | 73 7 | 0.0 | 5.8 0.7 | 1511 | 0.01 | 27.56 | - | - | 0 |
| Occidental (Horseshoe Bend) | 2/26/26 | 72.6 11.8 | 1504 | 49.5 3.2 | 0701 | 53.0 3.3 | - | 100 0 | 38 53 | - | - | - | 0.01 | 16.34 | - | - | - |
| Sexton Valley (Jacqueline's Blk) | 2/26/26 | 73.4 8.4 | 1438 | 49.6 0.1 | 0001 | 54.6 2.3 | 88 | 100 0 | 54 30 | 1.3 | 7.3 2.1 | 1447 | 0.00 | 15.24 | - | - | 0 |
| Sebastopol Hills (Burnside Rd) | 2/26/26 | 71.8 9.6 | 1436 | 52.0 1.2 | 0800 | 55.0 1.7 | 88 | 100 0 | 56 38 | 1.7 | 11.3 0.4 | 1831 | 0.00 | 27.82 | - | - | 0 |
| Seaview/Fort Ross (Hirsch) | 2/26/26 | 69.0 9.2 | 1052 | 53.6 2.6 | 0316 | 44.7 8.3 | 60 | 92 5 | 11 68 | 2.3 | 12.6 6.1 | 2313 | 0.00 | 48.28 | 0.110 0.064 | 401 208 | - |
| Max | 79.2 | - | 53.7 | - | 58.6 | 99 | 100 | 74 | 2.5 | 19.7 | - | 0.11 | 48.28 | 0.110 | 401 | - | |
| Avg | - | - | - | - | 50.0 | 80 | - | - | 1.6 | - | - | - | - | - | - | - | |
| Min | 69.0 | - | 49.5 | - | 3.1 | 41 | 91 | 0 | 0.0 | 5.8 | - | 0.00 | 6.90 | 0.011 | 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 | 2/26/26 | 71.3 9.9 | 1552 | 50.4 2.0 | 0604 | 53.6 1.5 | 98 0 | 43 39 | 2.2 1.1 | 13.2 7.4 | 2238 | NNE | 13 | 0.00 | 5.41 | 0.101 0.069 | 394 271 | - |
| Lower Bennett Valley | 2/26/26 | 73.3 9.9 | 1551 | 48.6 0.4 | 0521 | 54.0 2.4 | 100 0 | 48 32 | 1.8 0.6 | 11.8 4.4 | 1134 | NNE | 17 | 0.01 | 22.00 | 0.096 0.060 | 382 247 | 0 0 |
| Kenwood (Wildwood) | 2/26/26 | 74.9 10.5 | 1453 | 47.0 4.9 | 0556 | 54.3 2.6 | 100 0 | 53 25 | 2.7 0.9 | 9.9 1.0 | 1502 | NNW | 334 | 0.00 | 26.86 | 0.088 0.043 | 330 160 | - |
| Sonoma Valley (Bedrock) | 2/26/26 | 74.0 9.3 | 1522 | 46.5 5.5 | 0527 | 52.9 2.7 | 98 1 | 52 22 | - | - | - | - | 0.00 | 23.06 | - | - | - |
| Sonoma-West (Arnold) | 2/26/26 | 76.7 10.3 | 1451 | 47.9 2.7 | 0219 | 53.6 3.2 | 100 0 | 47 26 | 1.6 0.5 | 9.6 2.2 | 1527 | S | 185 | 0.03 | 17.14 | 0.101 0.057 | 359 197 | - |
| Sonoma Valley HS | 2/26/26 | 73.7 7.8 | 1523 | 51.5 1.1 | 0717 | 55.3 2.8 | 100 0 | 57 22 | 1.0 0.1 | 5.7 1.7 | 1905 | S | 188 | 0.01 | 5.28 | 0.087 0.046 | 328 174 | - |
| Sonoma East (Bundschu01) | 2/26/26 | 75.6 9.1 | 1521 | 51.0 0.6 | 0101 | 54.2 2.2 | 98 1 | 47 26 | 1.8 0.3 | 8.8 1.5 | 1347 | SW | 236 | 0.01 | 17.46 | 0.094 0.048 | 342 176 | - |
| Schellville (Sasaki) | 2/4/26 | 70.2 | 1502 | 39.9 | 0001 | 48.4 | 98 | 51 | 2.9 | 11.8 | 1113 | NE | 34 | 0.00 | 0.00 | - | - | 0 |
| Sonoma-SE (Napoli) | 2/26/26 | 78.2 10.8 | 1448 | 50.7 0.7 | 0056 | 53.6 2.8 | 96 0 | 41 32 | 0.9 0.3 | 9.1 2.0 | 1323 | SW | 221 | 0.01 | 14.94 | - | - | 0 0 |
| Ricci Vineyards (Carneros) | 2/26/26 | 74.9 9.0 | 1550 | 51.9 1.6 | 0606 | 53.4 3.2 | 98 1 | 43 32 | 2.5 0.7 | 8.7 1.1 | 1911 | WNW | 283 | 0.01 | 18.75 | 0.098 0.049 | 351 173 | - |
| Carneros (Ranch 71) | 2/26/26 | 74.1 8.9 | 1545 | 52.8 2.6 | 0215 | 54.7 2.6 | 100 0 | 47 30 | 2.5 0.5 | 9.6 0.5 | 1617 | WSW | 256 | 0.01 | 16.20 | 0.089 0.047 | 323 168 | 0 0 |
| Carneros Upper (Ranch 81) | 2/26/26 | 74.0 8.7 | 1400 | 54.2 2.0 | 0634 | 23.2 15.3 | - | - | 3.4 2.0 | 17.0 1.0 | 1906 | W | 262 | - | - | - | - | 0 0 |
| Carneros Lower (Ranch 81) | 2/26/26 | 76.5 10.0 | 1449 | 52.4 0.8 | 0001 | 5.0 8.7 | 100 0 | 0 0 | 1.1 0.0 | 7.7 0.9 | 1833 | WNW | 296 | 0.00 | 16.94 | 0.073 0.021 | 221 102 | 0 0 |
| Rohnert Park-West (Stony Point) | 2/26/26 | 73.7 9.5 | 1520 | 50.8 1.1 | 2354 | 54.6 2.3 | 100 0 | 46 36 | 1.4 0.4 | 10.5 2.1 | 1601 | SW | 234 | 0.01 | 6.28 | - | - | - |
| Cartograph Wines Base | 2/26/26 | 72.2 8.7 | 1455 | 52.0 0.5 | 0008 | 55.1 1.6 | 100 0 | 54 34 | 2.2 0.1 | 14.9 2.9 | 1608 | WSW | 249 | 0.01 | 22.36 | 0.074 0.038 | 292 151 | - |
| Cartograph Wines Remote | 2/26/26 | 69.4 4.5 | 1328 | 50.4 1.6 | 0001 | - | - | - | - | - | - | - | - | - | - | - | - |
| Rice-Spivak Vineyard | 2/26/26 | 74.0 8.6 | 1436 | 46.8 1.6 | 0001 | - | - | - | - | - | - | - | - | - | - | - | - |
| Penngrove (Asellus) | 2/26/26 | 74.1 9.2 | 1527 | 51.3 0.1 | 0157 | 53.6 2.4 | 99 1 | 36 40 | 1.5 0.2 | 8.6 0.9 | 1600 | SW | 219 | 0.02 | 36.04 | - | - | 0 0 |
| Petaluma (Ranch 10) | 2/26/26 | 77.0 10.3 | 1525 | 48.3 3.0 | 0222 | 52.5 4.1 | 100 0 | 37 34 | 1.0 0.2 | 9.2 0.4 | 1627 | W | 278 | 0.01 | 15.67 | 0.083 0.033 | 292 115 | 0 0 |
| Max | 78.2 | - | 54.2 | - | 55.3 | 100 | 57 | 3.4 | 17.0 | - | - | 0.03 | 36.04 | 0.101 | 394 | - | |
| Avg | - | - | - | - | 49.0 | - | - | 1.8 | - | - | - | - | - | - | - | - | |
| Min | 69.4 | - | 46.5 | - | 5.0 | 96 | 0 | 0.9 | 5.7 | - | - | 0.00 | 5.28 | 0.073 | 221 | - |