| 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) | 3/3/26 | 72.4 6.7 | 1430 | 45.9 1.4 | 0606 | 45.9 2.4 | 76 | 100 0 | 35 16 | 3.3 | 16.4 2.5 | 1635 | W | 278 | 0.00 | 36.97 | - | - | 0 0 |
| Rockpile Upper (Cooley) | 3/3/26 | 68.4 5.1 | 1419 | 42.9 2.8 | 2358 | 45.1 2.7 | 83 | 100 0 | 37 16 | 9.8 | 29.8 1.1 | 1744 | NW | 313 | 0.00 | 37.66 | 0.122 0.028 | 471 58 | 0 0 |
| Cloverdale-East (Ranch 83) | 3/3/26 | 73.2 4.2 | 1422 | 46.4 2.5 | 0023 | 47.8 19.3 | - | - | - | 4.8 | 15.8 3.3 | 0603 | NNE | 25 | 0.00 | 30.99 | 0.111 0.007 | 402 12 | 0 0 |
| Cloverdale-SE (Ranch 38) | 3/3/26 | 71.4 3.4 | 1340 | 46.8 0.5 | 0633 | 48.9 0.5 | 78 | 95 2 | 46 7 | 6.4 | 16.0 1.8 | 2016 | N | 9 | 0.00 | 32.45 | 0.109 0.013 | 388 25 | 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) | 3/3/26 | 70.3 2.7 | 1439 | 41.8 4.4 | 0635 | 48.5 0.9 | 80 | 100 0 | 48 2 | 2.7 | 12.3 3.3 | 1526 | SE | 125 | 0.00 | 31.63 | 0.113 0.036 | 422 137 | 0 0 |
| Geyserville-East (Ranch 40) | 3/3/26 | 69.5 2.0 | 1518 | 45.5 0.5 | 0559 | 49.9 0.6 | 83 | 99 0 | 55 1 | 0.0 | 13.4 11.4 | 1435 | S | 190 | 0.00 | 32.10 | 0.108 0.001 | 440 2 | 0 0 |
| Geyserville-South (Nervo Station) | 3/3/26 | 69.5 2.0 | 1434 | 43.9 3.5 | 0656 | - | - | - | - | 2.1 | 11.5 2.7 | 1601 | SE | 137 | 0.00 | 24.64 | - | - | 0 0 |
| Jimtown-North (Piccolo Ranch 15) | 3/3/26 | 71.2 2.6 | 1421 | 40.8 5.6 | 0445 | 47.7 1.6 | 82 | 100 0 | 44 2 | 1.7 | 11.6 0.9 | 1307 | SSW | 197 | 0.00 | 29.34 | 0.097 0.018 | 369 62 | 0 0 |
| HWY 128/Chalk Hill Rd (Landslide) | 3/3/26 | 71.1 2.2 | 1455 | 42.4 2.8 | 0351 | 47.8 2.2 | 84 | 100 0 | 46 4 | 1.9 | 11.5 0.4 | 1604 | SW | 223 | 0.00 | 28.06 | 0.095 0.008 | 355 26 | 0 0 |
| N Chalk Hill Rd (Ranch 63) | 3/3/26 | 69.0 1.0 | 1452 | 39.4 5.0 | 0411 | 46.8 1.8 | 85 | 100 0 | 54 5 | 2.4 | 14.0 2.0 | 1700 | S | 172 | 0.00 | 29.61 | 0.097 0.009 | 369 39 | 0 0 |
| Knights Valley (Bavarian Lion) | 3/3/26 | 71.7 2.9 | 1443 | 41.8 2.8 | 0112 | 47.0 1.6 | 83 | 98 1 | 36 11 | 2.0 | 12.4 1.1 | 1540 | W | 272 | 0.00 | 27.71 | 0.102 0.001 | 391 2 | 0 0 |
| Upper Dry Creek Valley | 3/3/26 | 70.5 2.1 | 1507 | 42.3 1.2 | 0636 | 47.8 1.1 | 77 | 98 0 | 41 6 | 2.6 | 11.4 1.9 | 1954 | WNW | 293 | 0.00 | 34.53 | 0.116 0.016 | 439 56 | 0 0 |
| Lower Dry Creek Valley | 3/3/26 | 71.1 1.6 | 1700 | 41.4 3.7 | 0628 | 48.6 1.2 | 84 | 100 0 | 39 5 | 0.9 | 10.1 2.6 | 1544 | SE | 134 | 0.00 | 33.46 | 0.105 0.018 | 409 58 | 0 0 |
| Max | 73.2 | - | 46.8 | - | 49.9 | 85 | 100 | 55 | 9.8 | 29.8 | - | - | 0.00 | 37.66 | 0.122 | 471 | - | |
| Avg | - | - | - | - | 47.6 | 81 | - | - | 3.1 | - | - | - | - | - | - | - | - | |
| Min | 68.4 | - | 39.4 | - | 45.1 | 76 | 95 | 35 | 0.0 | 10.1 | - | - | 0.00 | 24.64 | 0.095 | 355 | - |
| 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) | 3/3/26 | 70.7 1.6 | 1431 | 43.6 5.1 | 0608 | 48.3 1.7 | 82 | 92 4 | 54 4 | 1.9 | 9.9 1.5 | 1406 | 0.00 | 29.12 | 0.101 0.002 | 410 18 | 0 |
| Windsor-East (Ranch 16) | 3/3/26 | 69.4 2.1 | 1416 | 40.1 5.5 | 0638 | 47.9 2.6 | 88 | 100 0 | 53 2 | 2.4 | 13.8 2.5 | 1708 | 0.00 | 21.96 | 0.102 0.007 | 394 31 | 0 |
| Mark West-North (Ranch 14) | 3/3/26 | 68.7 0.9 | 1407 | 44.5 2.7 | 0625 | 48.4 1.6 | 86 | 99 1 | 52 2 | 1.7 | 11.6 0.8 | 1442 | 0.00 | 23.74 | 0.014 0.000 | 0 0 | 0 |
| Windsor-SE (Silk Rd) | 3/3/26 | 68.9 1.9 | 1513 | 44.0 1.6 | 0646 | 48.6 1.7 | 88 | 100 1 | 47 8 | 2.1 | 10.6 0.5 | 1546 | 0.00 | 21.14 | 0.101 0.010 | 408 53 | 0 |
| Fulton-NW (Ranch 5) | 3/3/26 | 67.2 1.0 | 1407 | 44.5 2.9 | 0543 | 15.8 23.2 | 48 | 100 0 | 3 0 | 2.4 | 12.1 0.1 | 1540 | 0.00 | 23.97 | 0.102 0.000 | 398 10 | 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) | 3/3/26 | 68.6 2.5 | 1359 | 43.5 4.3 | 0633 | 48.6 2.2 | 87 | 98 0 | 55 1 | 0.4 | 12.4 1.2 | 1744 | 0.00 | 23.01 | - | - | 0 |
| Fulton-SW (Ranch 21) | 3/3/26 | 68.0 1.9 | 1347 | 44.0 2.9 | 0346 | -5.5 16.8 | 41 | 100 0 | 0 0 | 2.5 | 12.4 0.7 | 1633 | 0.01 | 23.44 | 0.108 0.001 | 426 15 | 0 |
| NW Santa Rosa (Piner Road) | 3/3/26 | 68.3 2.7 | 1517 | 43.7 2.4 | 0326 | 50.4 2.0 | 94 | 100 0 | 59 5 | 2.1 | 11.0 0.8 | 1412 | 0.00 | 21.90 | - | - | 0 |
| River Rd South (Denner Ranch) | 3/3/26 | 67.4 0.6 | 1337 | 43.2 3.4 | 0240 | 49.4 2.0 | 91 | 100 0 | 54 2 | 3.2 | 14.5 1.1 | 1519 | - | - | - | - | 0 |
| West Santa Rosa (LOV Vineyard) | 3/3/26 | 68.0 2.3 | 1514 | 44.6 2.5 | 0313 | 49.0 1.7 | 89 | 100 0 | 47 11 | 1.7 | 12.6 0.8 | 1525 | 0.03 | 16.57 | 0.013 0.003 | 1 0 | 0 |
| Guerneville Rd (Prokopakis) | 3/3/26 | 69.0 0.8 | 1347 | 45.8 2.5 | 0306 | 49.5 1.9 | 88 | 100 0 | 49 1 | - | - | - | 0.00 | 23.03 | - | - | 0 |
| Guerneville Rd West (Balletto) | 3/3/26 | 67.7 2.2 | 1513 | 45.0 2.6 | 0244 | 49.9 2.1 | 91 | 100 0 | 58 8 | 2.5 | 12.0 0.0 | 1437 | 0.00 | 22.55 | - | - | 0 |
| Sanchietti Ranch | 3/3/26 | 67.1 1.3 | 1510 | 45.4 1.7 | 0221 | 50.8 2.1 | - | 100 2 | 65 6 | 2.6 | 17.7 5.5 | 1426 | 0.01 | 23.50 | - | - | 0 |
| Occidental Rd (Sebastopol) | 3/3/26 | 67.3 1.6 | 1310 | 42.6 3.3 | 0300 | 52.1 3.0 | 100 | 100 0 | 88 12 | 2.2 | 14.7 2.2 | 1509 | 0.01 | 6.93 | - | - | 0 |
| Lower Westside Rd (Ranch 12) | 3/3/26 | 71.0 1.5 | 1514 | 43.2 3.5 | 0531 | 48.5 1.9 | 86 | 100 0 | 42 4 | 1.4 | 10.6 1.4 | 1520 | 0.00 | 28.30 | - | - | 0 |
| Guerneville (Laughlin Rd) | 3/3/26 | 68.7 0.3 | 1300 | 45.6 2.4 | 0651 | 49.5 1.9 | 89 | 99 1 | 55 2 | 1.9 | 13.9 0.4 | 1523 | 0.00 | 39.24 | - | - | 0 |
| Korbel (Winery) | 3/3/26 | 70.1 4.3 | 1311 | 47.4 2.6 | 0547 | 50.0 1.7 | 89 | 100 0 | 51 10 | 1.8 | 19.0 6.3 | 1500 | 0.01 | 36.58 | - | - | 0 |
| Forestville (Shone Farms) | 3/3/26 | 70.6 2.2 | 1508 | 43.8 3.3 | 0554 | 48.9 2.0 | 88 | 98 0 | 43 11 | 2.1 | 11.5 0.2 | 1616 | 0.01 | 30.31 | 0.087 0.003 | 344 5 | 0 |
| Forestville-NE (Ranch 30) | 3/3/26 | 69.8 2.2 | 1518 | 44.7 1.6 | 0647 | 49.6 1.9 | 90 | 100 0 | 47 12 | 2.0 | 12.9 1.7 | 1533 | 0.01 | 28.46 | 0.090 0.011 | 360 52 | 0 |
| Green Valley Vineyard | 3/3/26 | 69.4 4.3 | 1424 | 42.9 3.4 | 0603 | 48.1 3.1 | 88 | 99 0 | 46 14 | 2.2 | 14.7 0.7 | 1627 | 0.00 | 35.03 | 0.015 0.002 | 0 0 | 0 |
| Green Valley (Sanchietti) | 3/3/26 | 69.4 1.4 | 1310 | 43.7 2.3 | 0223 | - | - | - | - | - | - | - | - | - | - | - | 0 |
| Keefer Ranch (Green Valley) | 3/3/26 | 68.9 3.9 | 1440 | 41.3 3.1 | 0344 | 48.1 3.4 | 89 | 99 1 | 53 15 | - | - | - | 0.02 | 31.31 | - | - | 0 |
| Graton-South (Mill Station Rd) | 3/3/26 | 66.1 1.9 | 1439 | 42.6 2.6 | 0324 | 48.7 2.7 | 90 | 100 1 | 59 7 | 0.6 | 8.4 0.1 | 1407 | 0.01 | 27.62 | - | - | 0 |
| Occidental (Horseshoe Bend) | 3/3/26 | 66.2 4.0 | 1500 | 46.4 2.9 | 0551 | 49.6 2.0 | - | 100 0 | 53 17 | - | - | - | 0.01 | 16.39 | - | - | 0 |
| Sexton Valley (Jacqueline's Blk) | 3/3/26 | 65.3 0.9 | 1438 | 43.2 1.3 | 0258 | 49.0 2.9 | 91 | 99 1 | 63 7 | 1.5 | 10.5 1.1 | 1453 | 0.01 | 15.31 | - | - | 0 |
| Sebastopol Hills (Burnside Rd) | 3/3/26 | 63.4 1.5 | 1449 | 46.8 2.0 | 0434 | 50.7 1.8 | 95 | 100 0 | 70 8 | 2.6 | 16.5 5.7 | 1509 | 0.01 | 27.89 | - | - | 0 |
| Seaview/Fort Ross (Hirsch) | 3/3/26 | 61.6 1.0 | 1419 | 44.7 4.0 | 2359 | 47.3 2.4 | 86 | 97 0 | 63 14 | 2.7 | 11.0 1.4 | 1945 | 0.00 | 48.39 | 0.105 0.043 | 455 180 | 0 |
| Max | 71.0 | - | 47.4 | - | 52.1 | 100 | 100 | 88 | 3.2 | 19.0 | - | 0.03 | 48.39 | 0.108 | 455 | - | |
| Avg | - | - | - | - | 45.8 | 85 | - | - | 2.0 | - | - | - | - | - | - | - | |
| Min | 61.6 | - | 40.1 | - | -5.5 | 41 | 92 | 0 | 0.4 | 8.4 | - | 0.00 | 6.93 | 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 | 3/3/26 | 65.4 1.4 | 1403 | 44.8 2.9 | 0730 | 47.6 1.7 | 97 0 | 50 7 | 2.2 0.0 | 10.9 0.8 | 1132 | SSE | 165 | 0.00 | 5.41 | 0.108 0.028 | 448 111 | 0 0 |
| Lower Bennett Valley | 3/3/26 | 67.7 2.2 | 1401 | 37.4 4.8 | 0500 | 47.8 2.9 | 100 0 | 56 4 | 2.4 1.0 | 13.2 3.2 | 1807 | SE | 130 | 0.01 | 22.06 | 0.104 0.033 | 429 140 | 0 0 |
| Kenwood (Wildwood) | 3/3/26 | 69.8 3.3 | 1347 | 39.8 5.4 | 0706 | 48.1 3.1 | 100 0 | 52 6 | 3.2 1.5 | 15.3 3.6 | 1552 | NW | 319 | 0.00 | 26.90 | 0.100 0.034 | 396 141 | 0 0 |
| Sonoma Valley (Bedrock) | 3/3/26 | 70.4 4.0 | 1425 | 41.2 6.2 | 0652 | 46.4 3.2 | 98 0 | 35 20 | - | - | - | - | 0.00 | 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 | 3/3/26 | 69.6 2.8 | 1432 | 41.5 5.7 | 0612 | 49.5 3.4 | 100 0 | 59 5 | 1.8 0.4 | 7.1 2.6 | 1916 | WNW | 294 | 0.00 | 5.29 | 0.088 0.024 | 356 99 | 0 0 |
| Sonoma East (Bundschu01) | 3/3/26 | 69.5 2.4 | 1426 | 40.7 4.6 | 0620 | 47.4 3.4 | 98 3 | 52 6 | 2.2 0.4 | 18.6 7.4 | 1613 | W | 265 | 0.00 | 17.48 | 0.095 0.013 | 369 45 | 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) | 3/3/26 | 71.3 2.7 | 1435 | 42.0 4.4 | 0606 | 48.2 2.7 | 97 2 | 50 4 | 1.3 0.0 | 17.2 7.0 | 1621 | WSW | 242 | 0.00 | 14.95 | - | - | 0 0 |
| Ricci Vineyards (Carneros) | 3/3/26 | 70.0 2.3 | 1459 | 43.2 4.3 | 0424 | 49.6 1.9 | 98 2 | 55 1 | 4.8 1.4 | 22.2 4.1 | 1659 | WNW | 295 | 0.00 | 18.75 | 0.098 0.001 | 370 6 | 0 0 |
| Carneros (Ranch 71) | 3/3/26 | 68.0 2.1 | 1502 | 47.6 4.0 | 2356 | 50.3 1.2 | 100 3 | 60 1 | 5.1 2.1 | 26.6 8.0 | 1726 | WNW | 282 | 0.00 | 16.20 | 0.089 0.003 | 342 2 | 0 0 |
| Carneros Upper (Ranch 81) | 3/3/26 | 68.7 1.7 | 1509 | 48.0 3.8 | 0626 | 11.5 32.8 | - | - | 6.0 1.7 | 27.1 7.1 | 1659 | W | 267 | - | - | - | - | 0 0 |
| Carneros Lower (Ranch 81) | 3/3/26 | 71.2 1.7 | 1349 | 43.6 4.1 | 0447 | 20.0 31.4 | 100 1 | 0 51 | 1.4 0.3 | 14.9 4.1 | 1811 | NW | 318 | 0.00 | 16.94 | 0.074 0.005 | 243 18 | 0 0 |
| Rohnert Park-West (Stony Point) | 3/3/26 | 65.6 1.3 | 1306 | 43.7 0.1 | 0100 | 49.6 2.3 | 99 0 | 72 2 | 2.1 0.1 | 16.7 4.1 | 1526 | SSW | 213 | 0.00 | 6.33 | - | - | 0 0 |
| Cartograph Wines Base | 3/3/26 | 64.2 0.8 | 1242 | 46.4 2.5 | 0337 | 51.3 1.8 | 100 0 | 79 1 | 3.9 1.2 | 23.9 8.8 | 1616 | WSW | 247 | 0.00 | 22.43 | 0.082 0.016 | 370 83 | 0 0 |
| Cartograph Wines Remote | 3/3/26 | 64.5 0.3 | 1137 | 43.0 0.9 | 0308 | - | - | - | - | - | - | - | - | - | - | - | 0 0 |
| Rice-Spivak Vineyard | 3/3/26 | 65.3 0.9 | 1259 | 38.7 0.7 | 0117 | - | - | - | - | - | - | - | - | - | - | - | 0 0 |
| Penngrove (Asellus) | 3/3/26 | 67.2 1.6 | 1339 | 44.5 1.8 | 0026 | 49.6 1.4 | 98 1 | 59 1 | 1.7 0.3 | 12.3 3.0 | 1504 | W | 281 | 0.01 | 36.08 | - | - | 0 0 |
| Petaluma (Ranch 10) | 3/3/26 | 70.6 3.0 | 1334 | 42.9 3.1 | 0149 | 49.9 1.2 | 100 0 | 53 4 | 2.7 1.5 | 14.8 4.0 | 1558 | WNW | 287 | 0.00 | 15.67 | 0.099 0.031 | 370 112 | 0 0 |
| Max | 71.3 | - | 48.0 | - | 51.3 | 100 | 79 | 6.0 | 27.1 | - | - | 0.01 | 36.08 | 0.108 | 448 | - | |
| Avg | - | - | - | - | 44.5 | - | - | 2.9 | - | - | - | - | - | - | - | - | |
| Min | 64.2 | - | 37.4 | - | 11.5 | 97 | 0 | 1.3 | 7.1 | - | - | 0.00 | 5.29 | 0.074 | 243 | - |