| 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) | 2/19/26 | 47.4 2.2 | 1448 | 35.6 4.2 | 2320 | 35.2 0.6 | 84 | 100 0 | 53 18 | 6.9 | 26.4 8.3 | 1251 | SW | 234 | 0.41 | 33.60 | - | - | 0 0 |
| Rockpile Upper (Cooley) | 2/19/26 | 43.6 1.5 | 1317 | 31.9 2.6 | 2354 | 33.8 0.4 | 90 | 100 0 | 58 20 | 13.8 | 48.9 27.6 | 1048 | NW | 323 | 0.35 | 34.32 | 0.044 0.013 | 317 116 | 0 0 |
| Cloverdale-East (Ranch 83) | 2/19/26 | 53.4 4.7 | 1350 | 33.1 4.1 | 2259 | 18.0 12.1 | - | - | - | 4.8 | 26.8 15.1 | 1304 | WNW | 299 | 0.35 | 28.74 | 0.069 0.028 | 275 81 | 0 0 |
| Cloverdale-SE (Ranch 38) | 2/19/26 | 51.5 2.8 | 1404 | 37.0 6.2 | 2333 | 37.6 0.9 | 83 | 99 1 | 51 21 | 7.6 | 35.1 17.4 | 1317 | SE | 143 | 0.33 | 30.28 | 0.060 0.023 | 280 72 | 0 0 |
| Geyserville-North (Hoffman) | 2/19/26 | 54.2 4.1 | 1408 | 37.7 7.0 | 2145 | 37.8 1.2 | 77 | 96 0 | 45 20 | 4.5 | 20.4 10.3 | 1128 | WNW | 287 | 0.00 | 25.50 | 0.070 0.030 | 293 105 | 0 0 |
| Geyserville (Ranch 3) | 2/19/26 | 52.9 3.3 | 1409 | 38.6 7.9 | 2328 | 37.9 0.5 | 79 | 100 0 | 42 21 | 5.8 | 23.8 13.2 | 1153 | NW | 322 | 0.37 | 29.64 | 0.074 0.035 | 326 130 | 0 0 |
| Geyserville-East (Ranch 40) | 2/19/26 | 52.4 3.2 | 1454 | 37.1 6.8 | 2359 | 37.6 1.2 | 82 | 99 1 | 52 14 | 9.0 | 33.2 17.6 | 1415 | NNW | 343 | 0.43 | 30.28 | 0.065 0.022 | 309 71 | 0 0 |
| Geyserville-South (Nervo Station) | 2/19/26 | 54.6 4.3 | 1417 | 40.3 9.8 | 2039 | - | - | - | - | 4.4 | 26.9 17.4 | 1111 | WNW | 297 | 0.27 | 22.99 | - | - | 0 0 |
| Jimtown-North (Piccolo Ranch 15) | 2/19/26 | 53.2 1.1 | 1320 | 39.1 9.3 | 2121 | 36.7 0.6 | 74 | 97 3 | 41 14 | 3.9 | 24.6 18.2 | 1349 | NW | 310 | 0.37 | 27.45 | 0.067 0.028 | 296 108 | 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) | 2/19/26 | 53.8 1.8 | 1319 | 33.5 4.4 | 2337 | 37.5 1.4 | 80 | 95 5 | 42 12 | 4.6 | 19.9 10.1 | 1120 | W | 269 | 0.41 | 26.41 | 0.067 0.031 | 285 119 | 0 0 |
| N Chalk Hill Rd (Ranch 63) | 2/19/26 | 51.9 2.2 | 1350 | 36.5 7.7 | 2043 | 36.3 1.0 | 77 | 99 1 | 43 15 | 5.7 | 25.3 15.7 | 1257 | NNW | 342 | 0.43 | 27.76 | 0.066 0.029 | 273 93 | 0 0 |
| Knights Valley (Bavarian Lion) | 2/19/26 | 52.2 3.1 | 1334 | 31.5 2.9 | 2359 | 35.7 0.8 | 77 | 95 3 | 38 17 | 5.7 | 26.6 17.2 | 1627 | NW | 305 | 0.36 | 26.29 | 0.078 0.034 | 361 143 | - |
| Upper Dry Creek Valley | 2/19/26 | 52.2 2.4 | 1328 | 35.1 5.0 | 0001 | 35.0 1.6 | 74 | 97 1 | 44 19 | 5.2 | 24.4 15.8 | 1315 | WNW | 298 | 0.39 | 32.03 | - | - | - |
| Lower Dry Creek Valley | 2/19/26 | 54.2 2.4 | 1355 | 37.6 7.4 | 2357 | 37.8 0.4 | 77 | 100 0 | 42 18 | 5.2 | 26.5 26.5 | 1452 | NW | 320 | 0.31 | 31.48 | 0.083 0.044 | 348 155 | 0 0 |
| Max | 54.6 | - | 40.3 | - | 37.9 | 90 | 100 | 58 | 13.8 | 48.9 | - | - | 0.43 | 34.32 | 0.083 | 361 | - | |
| Avg | - | - | - | - | 35.1 | 80 | - | - | 6.2 | - | - | - | - | - | - | - | - | |
| Min | 43.6 | - | 31.5 | - | 18.0 | 74 | 95 | 38 | 3.9 | 19.9 | - | - | 0.00 | 22.99 | 0.044 | 273 | - |
| 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) | 2/19/26 | 54.3 1.4 | 1311 | 39.2 8.3 | 2357 | 38.3 1.5 | 76 | 89 2 | 50 22 | 6.2 | 32.0 16.7 | 1236 | 0.38 | 27.33 | 0.080 0.037 | 370 151 | 0 |
| Windsor-East (Ranch 16) | 2/19/26 | 54.2 2.5 | 1417 | 35.6 6.7 | 2251 | 37.1 0.3 | 75 | 95 5 | 41 21 | 6.2 | 25.7 12.3 | 1140 | 0.30 | 20.46 | 0.085 0.040 | 362 144 | 0 |
| Mark West-North (Ranch 14) | 2/19/26 | 54.7 3.1 | 1351 | 37.2 7.1 | 2345 | 36.5 0.5 | 72 | 96 2 | 37 23 | 2.7 | 14.1 3.3 | 1241 | 0.30 | 22.23 | 0.025 0.020 | 0 0 | 0 |
| Windsor-SE (Silk Rd) | 2/19/26 | 54.1 4.5 | 1333 | 35.6 5.3 | 0001 | 37.2 0.4 | 75 | 98 1 | 40 28 | 4.4 | 23.7 11.4 | 1342 | 0.40 | 19.33 | 0.080 0.038 | 343 128 | 0 |
| Fulton-NW (Ranch 5) | 2/19/26 | 53.2 3.4 | 1323 | 35.5 5.3 | 2354 | 37.1 13.8 | 74 | 96 4 | 39 36 | 5.7 | 25.2 8.2 | 1408 | 0.31 | 22.50 | 0.081 0.032 | 336 102 | 0 |
| Windsor-South (Laughlin Rd) | 2/19/26 | 53.7 3.3 | 1245 | 37.5 7.3 | 2350 | 36.8 8.6 | 73 | 94 6 | 41 41 | - | - | - | 0.35 | 22.53 | - | - | - |
| Fulton-SE (Barnes Rd) | 2/19/26 | 54.2 3.6 | 1344 | 36.0 5.4 | 2330 | 38.2 0.5 | 77 | 95 3 | 47 18 | 6.2 | 28.1 11.2 | 1348 | 0.31 | 21.52 | - | - | - |
| Fulton-SW (Ranch 21) | 2/19/26 | 53.5 3.5 | 1338 | 34.8 4.9 | 2356 | 37.3 22.9 | 76 | 95 5 | 44 43 | 5.3 | 24.0 5.1 | 1352 | 0.35 | 22.04 | 0.081 0.028 | 353 101 | - |
| Santa Rosa-NW (Goldfields) | 2/19/26 | 55.1 3.3 | 1231 | 35.3 5.3 | 2359 | 37.5 0.1 | 75 | 97 3 | 39 22 | 6.3 | 27.6 7.2 | 1410 | 0.37 | 23.32 | 0.080 0.039 | 294 99 | - |
| Goldfields Remote | 2/19/26 | 53.9 2.1 | 1329 | 33.8 3.5 | 0001 | - | - | - | - | - | - | - | - | - | - | - | 0 |
| NW Santa Rosa (Piner Road) | 2/19/26 | 55.1 3.8 | 1331 | 33.5 3.7 | 2359 | 39.6 0.8 | 84 | 100 0 | 49 13 | 2.7 | 13.0 2.9 | 1351 | 0.35 | 20.50 | - | - | 0 |
| River Rd South (Denner Ranch) | 2/19/26 | 54.8 0.7 | 1330 | 36.0 5.1 | 2322 | 38.0 0.9 | 78 | 100 0 | 41 21 | 6.0 | 25.4 2.9 | 1212 | - | - | - | - | 0 |
| West Santa Rosa (LOV Vineyard) | 2/19/26 | 53.2 1.3 | 1447 | 35.5 4.9 | 0001 | 37.1 0.3 | 75 | 96 4 | 41 14 | 3.8 | 20.0 2.3 | 1355 | 0.01 | 15.83 | 0.030 0.023 | 0 0 | 0 |
| Guerneville Rd (Prokopakis) | 2/19/26 | 54.0 1.9 | 1336 | 38.3 5.6 | 0001 | 38.1 0.2 | 76 | 98 2 | 42 12 | - | - | - | 0.38 | 21.50 | - | - | 0 |
| Guerneville Rd West (Balletto) | 2/19/26 | 54.6 3.0 | 1341 | 33.6 2.0 | 2347 | 38.9 0.5 | 81 | 99 1 | 48 14 | 5.0 | 22.1 5.1 | 1124 | 0.35 | 21.18 | - | - | 0 |
| Sanchietti Ranch | 2/19/26 | 54.8 2.5 | 1348 | 35.4 3.0 | 2348 | 40.4 1.0 | - | 96 4 | 52 16 | 5.3 | 22.0 3.5 | 1529 | 0.37 | 22.24 | - | - | - |
| Occidental Rd (Sebastopol) | 2/19/26 | 55.2 2.8 | 1343 | 33.8 2.7 | 2345 | 43.8 2.9 | 95 | 100 0 | 64 28 | 5.4 | 24.8 5.3 | 1251 | 0.01 | 6.87 | - | - | 0 |
| Lower Westside Rd (Ranch 12) | 2/19/26 | 57.8 4.2 | 1249 | 38.5 6.9 | 2359 | 37.3 0.2 | 72 | 96 4 | 35 20 | 0.9 | 13.0 5.1 | 1049 | 0.36 | 26.48 | - | - | 0 |
| Guerneville (Laughlin Rd) | 2/19/26 | 54.4 2.2 | 1503 | 32.6 0.4 | 2342 | 37.2 1.3 | 78 | 98 1 | 39 19 | 2.7 | 21.1 8.5 | 1327 | 0.49 | 35.88 | - | - | - |
| Korbel (Winery) | 2/19/26 | 54.4 4.8 | 1536 | 34.7 0.8 | 2350 | 38.1 1.1 | 80 | 97 3 | 39 31 | 3.4 | 24.8 14.5 | 1423 | 0.45 | 33.48 | - | - | - |
| Forestville (Shone Farms) | 2/19/26 | 54.3 4.7 | 1357 | 37.8 7.5 | 2359 | 37.3 0.3 | 75 | 97 0 | 44 29 | 4.4 | 22.7 4.4 | 1556 | 0.39 | 28.38 | 0.074 0.035 | 308 108 | 0 |
| Forestville-NE (Ranch 30) | 2/19/26 | 53.8 4.4 | 1401 | 34.3 2.8 | 2337 | 38.6 0.2 | 83 | 100 0 | 49 30 | 4.6 | 27.0 8.3 | 1512 | 0.40 | 26.63 | 0.075 0.033 | 338 113 | - |
| Green Valley Vineyard | 2/19/26 | 54.6 1.4 | 1539 | 34.2 3.6 | 2357 | 37.1 0.1 | 77 | 98 0 | 38 13 | 3.6 | 23.9 1.1 | 1120 | 0.49 | 32.69 | 0.043 0.186 | 121 1,028 | - |
| Green Valley (Sanchietti) | 2/19/26 | 55.6 1.3 | 1454 | 34.9 3.6 | 2359 | - | - | - | - | - | - | - | - | - | - | - | 0 |
| Keefer Ranch (Green Valley) | 2/19/26 | 54.4 1.1 | 1529 | 33.3 3.0 | 2359 | 39.0 0.9 | 81 | 98 1 | 48 11 | - | - | - | 0.43 | 29.21 | - | - | - |
| Graton-South (Mill Station Rd) | 2/19/26 | 53.9 2.5 | 1548 | 33.3 2.6 | 2356 | 37.6 0.2 | 78 | 98 1 | 41 17 | 2.4 | 14.4 4.1 | 1258 | 0.43 | 26.74 | - | - | 0 |
| Occidental (Horseshoe Bend) | 2/19/26 | 52.7 1.8 | 1417 | 36.9 3.4 | 2334 | 37.1 0.6 | - | 100 3 | 45 14 | - | - | - | 0.02 | 16.27 | - | - | - |
| Sexton Valley (Jacqueline's Blk) | 2/19/26 | 54.2 2.0 | 1509 | 32.6 2.4 | 2347 | 38.7 0.7 | 82 | 99 1 | 47 16 | 2.7 | 20.5 7.3 | 1149 | 0.49 | 12.85 | - | - | 0 |
| Sebastopol Hills (Burnside Rd) | 2/19/26 | 52.7 2.0 | 1516 | 38.2 3.7 | 2257 | 38.4 0.0 | 81 | 100 1 | 50 14 | 3.8 | 20.3 7.8 | 1050 | 0.45 | 25.91 | - | - | 0 |
| Seaview/Fort Ross (Hirsch) | 2/19/26 | 46.1 1.0 | 1535 | 34.8 2.5 | 2334 | 35.8 0.1 | 88 | 97 0 | 65 1 | 5.7 | 26.7 12.6 | 0949 | 0.54 | 42.83 | 0.059 0.010 | 359 96 | - |
| Max | 57.8 | - | 39.2 | - | 43.8 | 95 | 100 | 65 | 6.3 | 32.0 | - | 0.54 | 42.83 | 0.085 | 370 | - | |
| Avg | - | - | - | - | 38.0 | 78 | - | - | 4.4 | - | - | - | - | - | - | - | |
| Min | 46.1 | - | 32.6 | - | 35.8 | 72 | 89 | 35 | 0.9 | 13.0 | - | 0.01 | 6.87 | 0.025 | 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 | 2/19/26 | 51.5 4.7 | 1343 | 32.8 3.0 | 2355 | 35.1 0.3 | 97 1 | 44 20 | 2.7 1.0 | 16.4 5.3 | 1600 | N | 352 | 0.00 | 5.41 | 0.078 0.038 | 394 184 | - |
| Lower Bennett Valley | 2/19/26 | 52.4 2.0 | 1341 | 30.4 2.2 | 2337 | 36.1 0.5 | 99 1 | 40 21 | 4.9 2.8 | 25.4 8.3 | 1421 | NNW | 342 | 0.37 | 20.88 | 0.069 0.025 | 291 75 | 0 0 |
| Kenwood (Wildwood) | 2/19/26 | 52.9 3.4 | 1408 | 33.5 3.5 | 2356 | 36.7 0.2 | 99 1 | 43 19 | 5.9 4.1 | 28.9 15.7 | 1349 | NNW | 327 | 0.62 | 25.94 | 0.074 0.032 | 319 104 | - |
| Sonoma Valley (Bedrock) | 2/19/26 | 53.4 0.7 | 1349 | 37.0 8.1 | 2348 | 35.1 0.4 | 97 1 | 36 16 | - | - | - | - | 0.70 | 22.35 | - | - | - |
| Sonoma-West (Arnold) | 2/19/26 | 54.9 0.8 | 1427 | 36.3 6.1 | 2359 | 36.8 0.5 | 96 4 | 38 15 | 6.4 4.1 | 25.5 10.2 | 0929 | WNW | 291 | 0.12 | 16.85 | 0.099 0.033 | 421 96 | - |
| Sonoma Valley HS | 2/19/26 | 54.7 1.8 | 1455 | 36.1 6.0 | 2359 | 39.1 0.5 | 100 0 | 45 14 | 3.3 1.7 | 11.2 3.5 | 1747 | NW | 323 | 0.00 | 5.21 | 0.076 0.020 | 348 56 | - |
| Sonoma East (Bundschu01) | 2/19/26 | 54.8 1.0 | 1416 | 35.8 6.5 | 2346 | 36.2 0.4 | 91 4 | 36 15 | 7.2 4.7 | 29.6 9.4 | 1401 | NW | 324 | 0.83 | 16.89 | 0.094 0.036 | 387 107 | - |
| 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) | 2/19/26 | 55.6 0.1 | 1453 | 35.5 5.3 | 2342 | 36.5 0.3 | 92 3 | 38 9 | 6.6 5.1 | 28.2 12.4 | 1350 | NW | 310 | 0.52 | 14.62 | - | - | 0 0 |
| Ricci Vineyards (Carneros) | 2/19/26 | 55.2 0.4 | 1411 | 38.0 7.1 | 2359 | 37.2 0.3 | 94 2 | 39 11 | 9.8 6.6 | 25.2 9.4 | 1442 | NNW | 327 | 0.62 | 18.42 | 0.096 0.033 | 404 96 | - |
| Carneros (Ranch 71) | 2/19/26 | 53.7 0.5 | 1503 | 38.9 4.5 | 2250 | 36.5 1.0 | 96 2 | 41 9 | 11.9 8.6 | 33.7 15.1 | 1108 | W | 261 | 0.54 | 15.82 | 0.090 0.033 | 362 88 | 0 0 |
| Carneros Upper (Ranch 81) | 2/19/26 | 53.8 0.7 | 1515 | 39.4 5.0 | 2323 | 30.0 7.0 | - | - | 13.2 8.9 | 35.7 15.7 | 1423 | W | 281 | - | - | - | - | 0 0 |
| Carneros Lower (Ranch 81) | 2/19/26 | 53.8 0.7 | 1447 | 36.8 5.8 | 0001 | 32.7 8.9 | 100 0 | 0 0 | 4.7 3.3 | 22.1 8.5 | 1427 | NW | 305 | 0.50 | 16.55 | 0.070 0.027 | 233 36 | 0 0 |
| Rohnert Park-West (Stony Point) | 2/19/26 | 53.6 1.8 | 1421 | 34.4 4.0 | 2357 | 38.9 0.8 | 97 1 | 49 16 | 6.6 4.6 | 24.8 9.6 | 1344 | NW | 316 | 0.49 | 5.16 | - | - | - |
| Cartograph Wines Base | 2/19/26 | 54.1 2.9 | 1540 | 38.3 5.1 | 2340 | 39.0 0.2 | 99 1 | 50 21 | 6.4 3.1 | 29.3 12.1 | 1521 | W | 264 | 0.57 | 21.41 | 0.075 0.028 | 357 110 | - |
| Cartograph Wines Remote | 2/19/26 | 52.9 1.4 | 1536 | 32.5 1.8 | 2357 | - | - | - | - | - | - | - | - | - | - | - | - |
| Rice-Spivak Vineyard | 2/19/26 | 55.9 2.4 | 1542 | 28.6 0.4 | 2359 | - | - | - | - | - | - | - | - | - | - | - | - |
| Penngrove (Asellus) | 2/19/26 | 54.4 2.5 | 1406 | 36.0 5.4 | 2303 | 36.7 0.4 | 97 0 | 38 18 | 7.1 4.2 | 25.1 11.4 | 1654 | NW | 315 | 1.15 | 25.08 | - | - | 0 0 |
| Petaluma (Ranch 10) | 2/19/26 | 57.0 2.8 | 1420 | 34.4 3.9 | 2359 | 37.7 0.1 | 100 0 | 39 8 | 5.1 3.5 | 20.8 5.7 | 1315 | W | 264 | 0.65 | 15.20 | 0.080 0.031 | 321 103 | 0 0 |
| Max | 57.0 | - | 39.4 | - | 39.1 | 100 | 50 | 13.2 | 35.7 | - | - | 1.15 | 25.94 | 0.099 | 421 | - | |
| Avg | - | - | - | - | 36.3 | - | - | 6.8 | - | - | - | - | - | - | - | - | |
| Min | 51.5 | - | 28.6 | - | 30.0 | 91 | 0 | 2.7 | 11.2 | - | - | 0.00 | 5.16 | 0.069 | 233 | - |