| 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) | 3/2/26 | 65.7 1.3 | 1340 | 47.3 1.4 | 0224 | 48.3 0.7 | 83 | 100 4 | 51 1 | 3.2 | 18.9 2.1 | 1755 | W | 278 | 0.01 | 36.97 | - | - | 0 0 |
| Rockpile Upper (Cooley) | 3/2/26 | 63.2 3.2 | 1405 | 45.7 0.6 | 0250 | 47.8 0.4 | 90 | 100 0 | 52 4 | 6.4 | 28.7 9.6 | 1932 | NW | 319 | 0.03 | 37.66 | 0.094 0.026 | 414 118 | 0 0 |
| Cloverdale-East (Ranch 83) | 3/2/26 | 69.0 1.3 | 1529 | 43.8 0.9 | 0041 | 28.5 8.1 | - | - | - | 2.5 | 12.5 0.7 | 2052 | WNW | 289 | 0.00 | 30.99 | 0.104 0.035 | 389 159 | 0 0 |
| Cloverdale-SE (Ranch 38) | 3/2/26 | 68.0 1.1 | 1538 | 46.3 1.8 | 0231 | 49.4 2.2 | 82 | 97 2 | 53 2 | 3.8 | 14.2 2.0 | 2036 | N | 5 | 0.00 | 32.45 | 0.096 0.034 | 362 129 | 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) | 3/2/26 | 67.6 1.3 | 1448 | 46.2 0.9 | 0110 | 49.4 2.7 | 80 | 100 0 | 50 0 | 2.4 | 9.0 4.1 | 1217 | ESE | 120 | 0.00 | 31.63 | 0.077 0.021 | 285 91 | 0 0 |
| Geyserville-East (Ranch 40) | 3/2/26 | 67.5 1.4 | 1533 | 46.0 3.7 | 0139 | 50.5 1.4 | 84 | 99 1 | 56 2 | 0.0 | 2.0 6.0 | 1304 | SSW | 202 | 0.00 | 32.10 | 0.107 0.051 | 442 216 | 0 0 |
| Geyserville-South (Nervo Station) | 3/2/26 | 67.5 0.5 | 1433 | 47.4 2.2 | 0152 | - | - | - | - | 2.5 | 14.2 1.0 | 2139 | WNW | 297 | 0.00 | 24.64 | - | - | 0 0 |
| Jimtown-North (Piccolo Ranch 15) | 3/2/26 | 68.6 0.4 | 1426 | 46.4 0.1 | 0128 | 49.3 2.0 | 80 | 100 0 | 47 1 | 1.5 | 10.8 0.7 | 1227 | SSW | 198 | 0.00 | 29.34 | 0.079 0.018 | 307 83 | 0 0 |
| HWY 128/Chalk Hill Rd (Landslide) | 3/2/26 | 68.9 0.0 | 1320 | 45.2 0.4 | 2358 | 50.0 1.7 | 83 | 100 0 | 50 2 | 1.8 | 11.1 1.0 | 1332 | SSW | 212 | 0.01 | 28.06 | 0.087 0.026 | 329 116 | 0 0 |
| N Chalk Hill Rd (Ranch 63) | 3/2/26 | 68.0 1.0 | 1434 | 44.5 0.6 | 0132 | 48.7 1.5 | 83 | 100 0 | 49 2 | 2.2 | 12.0 1.0 | 1534 | S | 180 | 0.02 | 29.61 | 0.088 0.024 | 329 103 | 0 0 |
| Knights Valley (Bavarian Lion) | 3/2/26 | 68.8 1.3 | 1308 | 44.6 0.4 | 2357 | 48.5 1.2 | 81 | 98 0 | 47 3 | 1.9 | 11.3 1.2 | 1346 | WNW | 284 | 0.00 | 27.71 | 0.101 0.035 | 392 151 | 0 0 |
| Upper Dry Creek Valley | 3/2/26 | 68.4 2.7 | 1509 | 43.6 1.3 | 0053 | 48.8 1.8 | 79 | 98 0 | 47 2 | 2.0 | 13.4 3.1 | 1116 | S | 178 | 0.00 | 34.53 | 0.100 0.037 | 383 156 | 0 0 |
| Lower Dry Creek Valley | 3/2/26 | 69.5 1.4 | 1505 | 45.0 1.3 | 0104 | 49.8 2.0 | 80 | 100 0 | 45 2 | 0.2 | 7.5 4.6 | 1438 | NW | 314 | 0.00 | 33.46 | 0.087 0.022 | 352 107 | 0 0 |
| Max | 69.5 | - | 47.4 | - | 50.5 | 90 | 100 | 56 | 6.4 | 28.7 | - | - | 0.03 | 37.66 | 0.107 | 442 | - | |
| Avg | - | - | - | - | 47.4 | 82 | - | - | 2.3 | - | - | - | - | - | - | - | - | |
| Min | 63.2 | - | 43.6 | - | 28.5 | 79 | 97 | 45 | 0.0 | 2.0 | - | - | 0.00 | 24.64 | 0.077 | 285 | - |
| 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) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Windsor-NW (Ranch 8) | 3/2/26 | 69.1 0.5 | 1443 | 48.7 0.6 | 0105 | 50.0 1.3 | 80 | 88 0 | 58 2 | 1.9 | 11.3 2.4 | 1329 | 0.08 | 29.12 | 0.099 0.017 | 392 79 | 0 |
| Windsor-East (Ranch 16) | 3/2/26 | 67.3 1.1 | 1505 | 45.7 2.4 | 0135 | 50.5 1.2 | 86 | 100 0 | 51 1 | 1.9 | 11.4 1.8 | 1526 | 0.11 | 21.96 | 0.095 0.023 | 363 102 | 0 |
| Mark West-North (Ranch 14) | 3/2/26 | 67.9 0.2 | 1444 | 47.2 1.5 | 0101 | 50.0 1.1 | 82 | 98 1 | 50 2 | 1.4 | 10.7 0.1 | 1508 | 0.08 | 23.74 | 0.014 0.001 | 0 0 | 0 |
| Windsor-SE (Silk Rd) | 3/2/26 | 67.0 0.8 | 1433 | 45.7 0.8 | 0019 | 50.3 1.3 | 86 | 99 0 | 55 0 | 2.0 | 11.1 3.5 | 1459 | 0.11 | 21.14 | 0.091 0.013 | 355 63 | 0 |
| Fulton-NW (Ranch 5) | 3/2/26 | 66.2 0.7 | 1258 | 47.4 1.2 | 0112 | 39.0 2.6 | 71 | 100 0 | 3 0 | 2.1 | 12.1 2.1 | 1527 | 0.04 | 23.97 | 0.102 0.025 | 409 120 | 0 |
| Windsor-South (Laughlin Rd) | 2/27/26 | 81.3 4.8 | 1431 | 49.4 1.9 | 0637 | 53.1 42.4 | 74 | 100 0 | 0 0 | - | - | - | 0.00 | 24.07 | - | - | - |
| Fulton-SE (Barnes Rd) | 3/2/26 | 66.1 0.7 | 1411 | 47.8 3.1 | 2340 | 50.8 1.4 | 85 | 98 2 | 56 1 | 0.9 | 11.2 1.6 | 1436 | 0.04 | 23.01 | - | - | 0 |
| Fulton-SW (Ranch 21) | 3/2/26 | 66.0 0.3 | 1405 | 46.9 2.5 | 2353 | 11.2 9.6 | 52 | 100 0 | 0 0 | 2.4 | 11.7 2.8 | 1437 | 0.02 | 23.43 | 0.107 0.026 | 411 110 | 0 |
| NW Santa Rosa (Piner Road) | 3/2/26 | 65.6 0.8 | 1345 | 46.0 4.1 | 2359 | 52.4 1.6 | 92 | 100 0 | 64 6 | 1.8 | 11.8 5.8 | 1423 | 0.04 | 21.90 | - | - | 0 |
| River Rd South (Denner Ranch) | 3/2/26 | 67.9 2.5 | 1241 | 46.5 1.5 | 2349 | 51.4 1.0 | 88 | 100 0 | 51 4 | 3.1 | 15.6 0.2 | 1348 | - | - | - | - | 0 |
| West Santa Rosa (LOV Vineyard) | 3/2/26 | 65.6 0.0 | 1351 | 47.1 2.6 | 2331 | 50.6 1.1 | 85 | 100 1 | 57 8 | 2.2 | 11.8 5.0 | 1338 | 0.05 | 16.54 | 0.016 0.000 | 0 0 | 0 |
| Guerneville Rd (Prokopakis) | 3/2/26 | 68.2 0.4 | 1306 | 48.3 2.6 | 2327 | 51.4 0.9 | 85 | 100 1 | 49 0 | - | - | - | 0.03 | 23.03 | - | - | 0 |
| Guerneville Rd West (Balletto) | 3/2/26 | 65.5 0.2 | 1303 | 47.6 2.5 | 2330 | 52.0 1.1 | 89 | 100 0 | 66 9 | 2.5 | 12.0 2.5 | 1404 | 0.04 | 22.55 | - | - | 0 |
| Sanchietti Ranch | 3/2/26 | 65.7 0.1 | 1508 | 47.1 4.3 | 2359 | 52.9 1.4 | - | 98 2 | 71 2 | 2.4 | 12.2 3.4 | 1428 | 0.05 | 23.49 | - | - | 0 |
| Occidental Rd (Sebastopol) | 3/2/26 | 65.7 0.2 | 1308 | 45.9 3.2 | 2306 | 55.1 1.2 | 100 | 100 0 | 100 23 | 2.3 | 12.5 5.0 | 1349 | 0.00 | 6.92 | - | - | 0 |
| Lower Westside Rd (Ranch 12) | 3/2/26 | 69.5 1.8 | 1357 | 46.7 0.6 | 2319 | 50.5 1.3 | 84 | 100 0 | 46 7 | 1.4 | 9.2 7.1 | 1416 | 0.08 | 28.30 | - | - | 0 |
| Guerneville (Laughlin Rd) | 3/2/26 | 68.4 2.2 | 1303 | 48.0 0.9 | 2139 | 51.4 0.5 | 87 | 98 0 | 53 5 | 1.4 | 14.2 1.7 | 1430 | 0.07 | 39.24 | - | - | 0 |
| Korbel (Winery) | 3/2/26 | 65.8 0.1 | 1408 | 49.9 1.8 | 2354 | 51.6 0.8 | 86 | 100 1 | 61 4 | 1.6 | 12.7 6.1 | 1434 | 0.11 | 36.57 | - | - | 0 |
| Forestville (Shone Farms) | 3/2/26 | 68.4 1.3 | 1351 | 47.0 0.3 | 0025 | 50.9 0.9 | 85 | 98 0 | 54 2 | 2.1 | 11.3 3.1 | 1635 | 0.08 | 30.30 | 0.090 0.014 | 349 65 | 0 |
| Forestville-NE (Ranch 30) | 3/2/26 | 67.6 1.5 | 1626 | 46.3 0.6 | 0025 | 51.4 1.0 | 88 | 100 1 | 59 0 | 1.8 | 11.2 3.4 | 1457 | 0.08 | 28.45 | 0.079 0.002 | 309 11 | 0 |
| Green Valley Vineyard | 3/2/26 | 65.1 0.5 | 1536 | 46.3 3.7 | 2337 | 51.1 0.1 | 86 | 98 0 | 60 9 | 2.2 | 14.0 0.9 | 1355 | 0.07 | 35.03 | 0.013 0.006 | 0 16 | 0 |
| Green Valley (Sanchietti) | 3/2/26 | 67.9 0.6 | 1244 | 46.0 3.4 | 0001 | - | - | - | - | - | - | - | - | - | - | - | 0 |
| Keefer Ranch (Green Valley) | 3/2/26 | 65.0 0.3 | 1302 | 44.4 3.9 | 2341 | 51.5 0.1 | 88 | 98 1 | 68 10 | - | - | - | 0.06 | 31.29 | - | - | 0 |
| Graton-South (Mill Station Rd) | 3/2/26 | 64.2 0.2 | 1340 | 45.2 5.2 | 2323 | 51.4 0.9 | 89 | 99 0 | 66 9 | 0.6 | 8.5 0.1 | 1346 | 0.05 | 27.61 | - | - | 0 |
| Occidental (Horseshoe Bend) | 3/2/26 | 62.1 1.1 | 1516 | 49.2 1.2 | 2356 | 51.6 0.2 | - | 100 0 | 69 12 | - | - | - | 0.01 | 16.38 | - | - | 0 |
| Sexton Valley (Jacqueline's Blk) | 3/2/26 | 64.5 0.5 | 1510 | 44.6 8.1 | 2359 | 52.0 1.4 | 90 | 99 1 | 70 4 | 1.3 | 11.6 1.3 | 1324 | 0.06 | 15.30 | - | - | 0 |
| Sebastopol Hills (Burnside Rd) | 3/2/26 | 61.8 0.1 | 1506 | 48.8 3.8 | 2344 | 52.6 0.8 | 93 | 100 0 | 78 7 | 1.8 | 10.8 1.9 | 1550 | 0.06 | 27.88 | - | - | 0 |
| Seaview/Fort Ross (Hirsch) | 3/2/26 | 60.7 1.2 | 1150 | 48.7 0.3 | 2224 | 49.6 0.0 | 94 | 97 0 | 77 9 | 2.6 | 12.4 1.8 | 1842 | 0.11 | 48.39 | 0.062 0.008 | 275 39 | 0 |
| Max | 69.5 | - | 49.9 | - | 55.1 | 100 | 100 | 100 | 3.1 | 15.6 | - | 0.11 | 48.39 | 0.107 | 411 | - | |
| Avg | - | - | - | - | 49.4 | 85 | - | - | 1.9 | - | - | - | - | - | - | - | |
| Min | 60.7 | - | 44.4 | - | 11.2 | 52 | 88 | 0 | 0.6 | 8.5 | - | 0.00 | 6.92 | 0.013 | 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 | 3/2/26 | 64.1 2.8 | 1450 | 47.7 2.2 | 0050 | 49.3 1.7 | 97 1 | 57 6 | 2.2 0.4 | 10.1 0.9 | 2258 | NNE | 26 | 0.00 | 5.41 | 0.080 0.029 | 338 129 | 0 0 |
| Lower Bennett Valley | 3/2/26 | 65.4 1.7 | 1552 | 42.2 5.5 | 2359 | 50.7 1.4 | 100 0 | 61 2 | 1.4 0.7 | 10.0 1.1 | 1454 | W | 262 | 0.05 | 22.05 | 0.071 0.015 | 289 69 | 0 0 |
| Kenwood (Wildwood) | 3/2/26 | 66.4 1.8 | 1440 | 45.3 4.4 | 2347 | 51.2 0.8 | 100 0 | 58 5 | 1.8 1.0 | 11.7 0.5 | 1835 | NNW | 335 | 0.04 | 26.90 | 0.066 0.005 | 255 26 | 0 0 |
| Sonoma Valley (Bedrock) | 3/2/26 | 66.5 1.3 | 1530 | 47.4 1.7 | 2359 | 49.7 0.5 | 98 1 | 56 1 | - | - | - | - | 0.05 | 23.11 | - | - | 0 0 |
| Sonoma-West (Arnold) | 2/28/26 | 78.4 1.0 | 1340 | 51.6 3.3 | 0633 | 56.2 0.5 | 100 0 | 46 3 | 2.1 0.3 | 16.5 7.2 | 2256 | W | 278 | 0.02 | 17.17 | 0.104 0.018 | 353 72 | - |
| Sonoma Valley HS | 3/2/26 | 66.8 1.5 | 1559 | 47.2 2.5 | 2358 | 52.9 0.4 | 100 0 | 64 6 | 1.3 0.8 | 4.6 5.5 | 2050 | SW | 230 | 0.00 | 5.29 | 0.064 0.017 | 257 68 | 0 0 |
| Sonoma East (Bundschu01) | 3/2/26 | 67.1 0.8 | 1533 | 45.3 3.0 | 2357 | 50.8 0.5 | 95 3 | 58 6 | 1.9 1.2 | 11.2 7.4 | 1342 | SSE | 164 | 0.02 | 17.48 | 0.082 0.004 | 324 1 | 0 0 |
| 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) | 3/2/26 | 68.6 2.2 | 1416 | 46.4 2.2 | 2359 | 50.9 0.7 | 95 1 | 54 4 | 1.4 1.6 | 10.1 5.7 | 1342 | S | 173 | 0.01 | 14.95 | - | - | 0 0 |
| Ricci Vineyards (Carneros) | 3/2/26 | 67.7 3.5 | 1532 | 47.6 3.5 | 2344 | 51.5 0.9 | 96 1 | 57 8 | 3.4 2.3 | 18.1 0.6 | 1850 | W | 267 | 0.00 | 18.75 | 0.097 0.028 | 376 123 | 0 0 |
| Carneros (Ranch 71) | 3/2/26 | 65.9 1.7 | 1527 | 51.6 0.9 | 0548 | 51.6 0.9 | 97 3 | 59 6 | 3.0 4.2 | 18.7 0.6 | 1909 | WNW | 282 | 0.00 | 16.20 | 0.086 0.012 | 344 58 | 0 0 |
| Carneros Upper (Ranch 81) | 3/2/26 | 67.0 2.1 | 1454 | 51.8 0.2 | 2323 | 44.3 21.3 | - | - | 4.3 4.7 | 20.0 2.5 | 1907 | W | 273 | - | - | - | - | 0 0 |
| Carneros Lower (Ranch 81) | 3/2/26 | 69.6 2.3 | 1418 | 47.7 3.1 | 2359 | 51.4 22.0 | 99 1 | 52 51 | 1.1 0.5 | 10.8 0.9 | 1243 | SSE | 164 | 0.00 | 16.94 | 0.069 0.013 | 261 65 | 0 0 |
| Rohnert Park-West (Stony Point) | 3/2/26 | 64.3 1.9 | 1437 | 43.8 7.3 | 2335 | 51.9 1.6 | 99 2 | 74 1 | 2.0 0.8 | 12.6 0.9 | 1351 | WSW | 243 | 0.05 | 6.33 | - | - | 0 0 |
| Cartograph Wines Base | 3/2/26 | 63.3 2.5 | 1522 | 49.0 3.6 | 2331 | 53.0 0.7 | 100 2 | 78 3 | 2.7 2.6 | 15.0 2.4 | 1752 | SW | 231 | 0.07 | 22.43 | 0.066 0.016 | 287 68 | 0 0 |
| Cartograph Wines Remote | 3/2/26 | 64.2 2.2 | 1053 | 43.9 6.2 | 2341 | - | - | - | - | - | - | - | - | - | - | - | 0 0 |
| Rice-Spivak Vineyard | 3/2/26 | 64.4 2.0 | 1523 | 39.4 10.7 | 2350 | - | - | - | - | - | - | - | - | - | - | - | 0 0 |
| Penngrove (Asellus) | 3/2/26 | 65.5 3.0 | 1121 | 46.3 2.9 | 0001 | 51.0 1.2 | 98 0 | 59 7 | 1.4 0.6 | 9.2 2.4 | 1532 | SW | 232 | 0.01 | 36.07 | - | - | 0 0 |
| Petaluma (Ranch 10) | 3/2/26 | 67.6 0.8 | 1617 | 46.0 4.2 | 2330 | 51.2 1.0 | 100 0 | 57 0 | 1.2 1.9 | 10.8 1.6 | 1801 | NW | 317 | 0.00 | 15.67 | 0.068 0.000 | 258 19 | 0 0 |
| Max | 69.6 | - | 51.8 | - | 53.0 | 100 | 78 | 4.3 | 20.0 | - | - | 0.07 | 36.07 | 0.097 | 376 | - | |
| Avg | - | - | - | - | 50.8 | - | - | 2.1 | - | - | - | - | - | - | - | - | |
| Min | 63.3 | - | 39.4 | - | 44.3 | 95 | 52 | 1.1 | 4.6 | - | - | 0.00 | 5.29 | 0.064 | 255 | - |