| 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) | 3/8/26 | 78.0 | 1621 | 54.0 | 2359 | 44.2 | 46 | 69 | 28 | 3.8 | 14.6 | 1652 | WNW | 282 | 0.00 | 36.97 | - | - | 0 |
| Rockpile Upper (Cooley) | 3/8/26 | 74.8 0.3 | 1631 | 48.1 7.5 | 0059 | 42.9 5.3 | 47 | 78 24 | 31 6 | 8.6 | 25.6 9.2 | 1944 | NW | 306 | 0.00 | 37.66 | 0.183 0.006 | 500 34 | 0 0 |
| Cloverdale-East (Ranch 83) | 3/8/26 | 82.8 1.4 | 1505 | 50.9 1.7 | 0835 | 48.3 4.6 | - | - | - | 4.1 | 18.6 11.7 | 0158 | NNW | 338 | 0.00 | 30.99 | 0.142 0.010 | 441 49 | 0 0 |
| Cloverdale-SE (Ranch 38) | 3/8/26 | 82.3 1.7 | 1658 | 52.5 3.0 | 0853 | 48.7 4.1 | 56 | 82 5 | 30 5 | 5.8 | 23.3 6.5 | 0358 | N | 2 | 0.00 | 32.45 | 0.145 0.019 | 412 30 | 0 0 |
| Geyserville-North (Hoffman) | 3/8/26 | 84.3 1.3 | 1534 | 46.5 1.5 | 0755 | 49.8 4.5 | 63 | 94 13 | 30 5 | 2.3 | 11.9 9.4 | 0236 | WNW | 301 | 0.00 | 25.50 | 0.128 0.020 | 409 31 | 0 0 |
| Geyserville (Ranch 3) | 3/8/26 | 82.8 0.4 | 1632 | 47.9 1.1 | 0749 | 48.5 5.0 | 61 | 100 18 | 26 4 | 2.5 | 12.4 7.7 | 0312 | WNW | 297 | 0.00 | 31.63 | 0.139 0.023 | 440 31 | 0 0 |
| Geyserville-East (Ranch 40) | 3/8/26 | 83.5 3.2 | 1603 | 52.7 3.0 | 0659 | 49.4 5.9 | 57 | 83 7 | 30 3 | 4.2 | 15.3 18.5 | 0156 | NW | 318 | 0.00 | 32.10 | 0.152 0.036 | 460 34 | 0 0 |
| Geyserville-South (Nervo Station) | 3/8/26 | 82.5 1.9 | 1600 | 51.8 0.2 | 0749 | - | - | - | - | 2.1 | 23.2 2.0 | 0236 | WNW | 291 | 0.00 | 24.64 | - | - | 0 0 |
| Jimtown-North (Piccolo Ranch 15) | 3/8/26 | 83.7 1.4 | 1558 | 44.1 4.1 | 0714 | 46.8 4.7 | 62 | 98 20 | 28 10 | 1.9 | 10.1 12.3 | 0118 | W | 263 | 0.00 | 29.34 | 0.120 0.025 | 397 31 | 0 0 |
| HWY 128/Chalk Hill Rd (Landslide) | 3/8/26 | 82.9 2.1 | 1526 | 42.6 5.4 | 0731 | 48.2 5.7 | 71 | 100 20 | 29 6 | 1.9 | 11.0 14.8 | 1714 | SSE | 160 | 0.00 | 28.06 | 0.125 0.037 | 393 45 | 0 0 |
| N Chalk Hill Rd (Ranch 63) | 3/8/26 | 80.9 1.6 | 1610 | 42.5 5.6 | 0728 | 47.1 5.5 | 66 | 100 22 | 30 6 | 0.4 | 10.0 17.1 | 1559 | SW | 223 | 0.00 | 29.61 | 0.110 0.058 | 397 35 | 0 0 |
| Knights Valley (Bavarian Lion) | 3/8/26 | 81.0 2.0 | 1558 | 44.2 16.5 | 0756 | 46.3 8.6 | 63 | 96 51 | 27 5 | 2.8 | 22.3 11.5 | 0112 | E | 94 | 0.00 | 27.72 | 0.138 0.051 | 444 73 | 0 0 |
| Upper Dry Creek Valley | 3/8/26 | 82.0 0.5 | 1632 | 45.6 2.0 | 0747 | 48.0 4.3 | 65 | 95 12 | 26 6 | 2.3 | 10.8 8.6 | 1512 | W | 277 | 0.00 | 34.53 | 0.144 0.006 | 466 29 | 0 0 |
| Lower Dry Creek Valley | 3/8/26 | 84.2 0.6 | 1529 | 44.9 2.6 | 0735 | 48.8 4.6 | 65 | 100 16 | 27 7 | 1.9 | 11.4 7.8 | 0236 | WNW | 303 | 0.00 | 33.46 | 0.131 0.022 | 434 32 | 0 0 |
| Max | 84.3 | - | 54.0 | - | 49.8 | 71 | 100 | 31 | 8.6 | 25.6 | - | - | 0.00 | 37.66 | 0.183 | 500 | - | |
| Avg | - | - | - | - | 47.5 | 60 | - | - | 3.2 | - | - | - | - | - | - | - | - | |
| Min | 74.8 | - | 42.5 | - | 42.9 | 46 | 69 | 26 | 0.4 | 10.0 | - | - | 0.00 | 24.64 | 0.110 | 393 | - |
| 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) | 3/8/26 | 83.0 1.9 | 1517 | 49.8 3.4 | 0740 | 50.9 4.8 | 65 | 86 11 | 34 8 | 1.8 | 13.8 4.2 | 1651 | 0.00 | 29.12 | 0.141 0.012 | 459 38 | 60 |
| Windsor-East (Ranch 16) | 3/8/26 | 81.4 0.8 | 1512 | 45.1 6.9 | 0736 | 48.4 7.7 | 63 | 96 32 | 28 6 | 2.5 | 13.9 10.5 | 0212 | 0.00 | 21.96 | 0.145 0.031 | 455 41 | 0 |
| Mark West-North (Ranch 14) | 3/8/26 | 83.3 3.2 | 1507 | 46.7 9.9 | 0711 | 47.7 8.1 | 61 | 94 34 | 26 4 | 1.4 | 9.2 19.4 | 1542 | 0.00 | 23.74 | 0.025 0.079 | 0 0 | 0 |
| Windsor-SE (Silk Rd) | 3/8/26 | 80.5 1.4 | 1502 | 43.4 8.6 | 0731 | 47.8 6.4 | 69 | 97 19 | 27 4 | 2.1 | 15.2 12.5 | 1703 | 0.00 | 21.14 | 0.142 0.044 | 455 33 | 0 |
| Fulton-NW (Ranch 5) | 3/8/26 | 79.3 0.2 | 1505 | 45.3 14.4 | 0741 | 49.0 8.7 | 66 | 96 34 | 30 7 | 2.3 | 11.5 21.5 | 1532 | 0.00 | 23.97 | 0.141 0.067 | 461 27 | 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) | 3/8/26 | 80.9 2.3 | 1509 | 46.4 12.7 | 0736 | 49.2 5.6 | 64 | 92 27 | 35 11 | 2.2 | 10.3 14.8 | 1600 | 0.00 | 23.01 | - | - | 0 |
| Fulton-SW (Ranch 21) | 3/8/26 | 80.3 0.8 | 1437 | 45.8 12.9 | 0748 | 49.4 8.0 | 70 | 95 29 | 34 8 | 2.3 | 11.5 17.6 | 1513 | 0.00 | 23.44 | 0.145 0.069 | 490 36 | 0 |
| NW Santa Rosa (Piner Road) | 3/8/26 | 79.5 1.0 | 1515 | 44.5 13.4 | 0752 | 51.8 7.3 | 76 | 100 30 | 41 12 | 2.0 | 13.3 12.7 | 1704 | 0.00 | 21.90 | - | - | 0 |
| River Rd South (Denner Ranch) | 3/8/26 | 82.4 2.0 | 1450 | 45.4 9.6 | 0741 | 50.1 9.5 | 72 | 100 31 | 29 6 | 2.7 | 14.0 12.7 | 1706 | - | - | - | - | 0 |
| West Santa Rosa (LOV Vineyard) | 3/8/26 | 79.8 0.0 | 1439 | 45.9 12.9 | 0751 | 49.0 8.9 | 69 | 95 30 | 33 11 | 1.9 | 11.4 11.8 | 1530 | 0.00 | 16.59 | 0.076 0.061 | 194 82 | 0 |
| Guerneville Rd (Prokopakis) | 3/8/26 | 81.5 1.3 | 1515 | 46.8 11.3 | 0724 | 49.7 8.7 | 68 | 96 19 | 34 11 | - | - | - | 0.00 | 23.03 | - | - | 0 |
| Guerneville Rd West (Balletto) | 3/8/26 | 80.5 0.4 | 1452 | 45.4 14.2 | 0714 | 50.8 6.5 | 74 | 98 27 | 39 10 | 2.5 | 12.8 9.1 | 1651 | 0.00 | 22.55 | - | - | 0 |
| Sanchietti Ranch | 3/8/26 | 78.9 2.1 | 1435 | 46.8 9.9 | 0735 | 51.6 5.4 | - | 94 30 | 40 12 | 3.0 | 14.6 6.7 | 1630 | 0.00 | 23.50 | - | - | 0 |
| Occidental Rd (Sebastopol) | 3/8/26 | 79.2 1.4 | 1415 | 45.3 9.7 | 0726 | 54.9 4.9 | 87 | 100 12 | 48 11 | 2.4 | 14.0 11.2 | 1537 | 0.00 | 6.94 | - | - | 0 |
| Lower Westside Rd (Ranch 12) | 3/8/26 | 82.7 0.0 | 1434 | 44.8 4.2 | 0717 | 47.6 3.7 | 68 | 96 9 | 26 4 | 1.5 | 14.2 3.4 | 1658 | 0.00 | 28.30 | - | - | 0 |
| Guerneville (Laughlin Rd) | 3/8/26 | 81.6 0.7 | 1319 | 41.8 3.6 | 0734 | 47.4 3.5 | 76 | 99 0 | 30 10 | 1.5 | 15.6 4.2 | 1514 | 0.00 | 39.24 | - | - | 0 |
| Korbel (Winery) | 3/8/26 | 79.7 1.2 | 1346 | 43.5 2.9 | 0807 | 48.4 3.0 | 74 | 100 0 | 28 8 | 1.2 | 15.3 5.9 | 1520 | 0.00 | 36.60 | - | - | 0 |
| Forestville (Shone Farms) | 3/8/26 | 81.5 0.3 | 1539 | 47.5 7.8 | 0035 | 48.3 6.4 | 65 | 96 23 | 28 3 | 2.2 | 14.6 8.5 | 1623 | 0.00 | 30.31 | 0.137 0.030 | 440 35 | 0 |
| Forestville-NE (Ranch 30) | 3/8/26 | 80.7 1.2 | 1419 | 44.5 0.3 | 0732 | 49.3 3.5 | 72 | 99 8 | 32 4 | 2.1 | 15.0 5.3 | 1811 | 0.00 | 28.46 | 0.144 0.005 | 457 37 | 60 |
| Green Valley Vineyard | 3/8/26 | 79.2 0.2 | 1437 | 47.4 4.4 | 0037 | 47.9 6.5 | 64 | 96 25 | 30 6 | 2.2 | 15.3 8.6 | 1625 | 0.00 | 35.04 | 0.045 0.083 | 63 227 | 0 |
| Green Valley (Sanchietti) | 3/8/26 | 81.5 | 1506 | 42.1 | 0756 | - | - | - | - | - | - | - | - | - | - | - | 0 |
| Keefer Ranch (Green Valley) | 3/8/26 | 79.1 0.6 | 1455 | 42.4 3.5 | 0753 | 48.7 2.4 | 77 | 98 5 | 35 3 | - | - | - | 0.00 | 31.31 | - | - | 0 |
| Graton-South (Mill Station Rd) | 3/8/26 | 78.2 1.2 | 1332 | 42.6 6.3 | 0723 | 48.6 7.1 | 74 | 98 8 | 33 9 | 0.6 | 8.7 4.1 | 1606 | 0.00 | 27.62 | - | - | 0 |
| Occidental (Horseshoe Bend) | 3/8/26 | 77.0 0.4 | 1449 | 50.3 8.4 | 0037 | 47.5 8.1 | - | 93 40 | 33 7 | - | - | - | 0.00 | 16.41 | - | - | 0 |
| Sexton Valley (Jacqueline's Blk) | 3/8/26 | 78.1 1.3 | 1411 | 44.0 3.3 | 0706 | 50.0 5.0 | 78 | 100 6 | 44 15 | 1.7 | 10.6 8.7 | 1526 | 0.00 | 15.31 | - | - | 0 |
| Sebastopol Hills (Burnside Rd) | 3/8/26 | 75.6 2.6 | 1342 | 50.5 9.7 | 0059 | 50.8 8.1 | 68 | 93 45 | 39 9 | 2.3 | 14.4 5.8 | 1541 | 0.00 | 27.89 | - | - | 0 |
| Seaview/Fort Ross (Hirsch) | 3/8/26 | 71.8 2.7 | 1613 | 53.6 0.9 | 0053 | 43.0 3.1 | 46 | 62 8 | 28 1 | 3.4 | 12.7 9.9 | 2313 | 0.00 | 48.40 | 0.150 0.017 | 489 40 | 0 |
| Max | 83.3 | - | 53.6 | - | 54.9 | 87 | 100 | 48 | 3.4 | 15.6 | - | 0.00 | 48.40 | 0.150 | 490 | - | |
| Avg | - | - | - | - | 49.2 | 69 | - | - | 2.1 | - | - | - | - | - | - | - | |
| Min | 71.8 | - | 41.8 | - | 43.0 | 46 | 62 | 26 | 0.6 | 8.7 | - | 0.00 | 6.94 | 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 | 3/8/26 | 77.2 0.7 | 1607 | 51.8 1.8 | 0737 | 46.5 8.3 | 78 19 | 31 8 | 2.6 1.4 | 10.1 16.3 | 0515 | S | 170 | 0.00 | 5.41 | 0.141 0.012 | 473 59 | 0 0 |
| Lower Bennett Valley | 3/8/26 | 78.5 0.0 | 1516 | 41.9 0.9 | 0744 | 47.5 6.6 | 98 6 | 33 10 | 2.3 2.5 | 13.2 11.4 | 1411 | NW | 315 | 0.00 | 22.06 | 0.133 0.032 | 450 34 | 0 0 |
| Kenwood (Wildwood) | 3/8/26 | 79.8 1.9 | 1552 | 46.0 5.4 | 0757 | 48.9 7.6 | 96 19 | 32 8 | 2.5 1.8 | 14.9 6.2 | 1725 | NNW | 338 | 0.00 | 26.90 | 0.125 0.026 | 413 26 | 0 0 |
| Sonoma Valley (Bedrock) | 3/8/26 | 78.8 0.7 | 1501 | 43.1 6.6 | 0755 | 47.1 9.2 | 95 30 | 35 15 | - | - | - | - | 0.00 | 23.11 | - | - | 0 0 |
| Sonoma-West (Arnold) | 3/8/26 | 79.6 0.4 | 1545 | 44.1 11.3 | 0734 | 48.9 9.5 | 97 20 | 38 17 | 1.9 5.5 | 10.7 16.6 | 1458 | SW | 217 | 0.00 | 17.20 | 0.151 0.066 | 515 34 | 60 60 |
| Sonoma Valley HS | 3/8/26 | 76.7 2.4 | 1520 | 45.7 9.7 | 0744 | 51.7 8.7 | 100 23 | 47 20 | 1.6 3.6 | 10.6 10.2 | 1557 | SE | 133 | 0.00 | 5.29 | 0.128 0.044 | 456 22 | 60 60 |
| Sonoma East (Bundschu01) | 3/8/26 | 75.6 3.0 | 1530 | 45.0 11.0 | 0752 | 49.3 10.0 | 94 19 | 44 21 | 2.6 4.9 | 11.0 25.6 | 1544 | ESE | 121 | 0.00 | 17.48 | 0.133 0.067 | 462 23 | 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) | 3/8/26 | 77.5 2.9 | 1433 | 45.5 10.9 | 0741 | 49.3 9.7 | 95 19 | 42 19 | 1.1 4.9 | 8.8 22.1 | 1519 | SSE | 162 | 0.00 | 14.95 | - | - | 0 0 |
| Ricci Vineyards (Carneros) | 3/8/26 | 77.4 0.9 | 1422 | 45.2 9.6 | 0751 | 49.1 8.8 | 96 11 | 40 17 | 3.0 2.8 | 12.8 11.2 | 2045 | W | 276 | 0.00 | 18.75 | 0.142 0.046 | 485 21 | 0 0 |
| Carneros (Ranch 71) | 3/8/26 | 75.5 2.3 | 1633 | 52.3 6.8 | 0748 | 49.8 12.2 | 90 20 | 45 22 | 2.2 5.7 | 9.9 22.7 | 2042 | WNW | 298 | 0.00 | 16.20 | 0.132 0.076 | 464 14 | 0 0 |
| Carneros Upper (Ranch 81) | 3/8/26 | 75.9 2.2 | 1436 | 53.2 7.5 | 0742 | 49.0 12.4 | - | - | 4.4 6.1 | 14.6 24.1 | 2215 | W | 270 | - | - | - | - | 0 0 |
| Carneros Lower (Ranch 81) | 3/8/26 | 75.9 3.1 | 1358 | 45.4 4.2 | 0801 | 48.6 8.1 | 100 18 | 0 24 | 1.5 4.1 | 9.9 18.9 | 1459 | SSE | 148 | 0.00 | 16.94 | 0.102 0.065 | 340 4 | 0 0 |
| Rohnert Park-West (Stony Point) | 3/8/26 | 77.6 1.2 | 1424 | 43.7 8.4 | 0655 | 50.5 5.1 | 97 24 | 46 17 | 2.2 2.0 | 13.9 6.4 | 1559 | SW | 214 | 0.00 | 6.33 | - | - | 0 0 |
| Cartograph Wines Base | 3/8/26 | 74.9 2.5 | 1401 | 48.4 10.6 | 2330 | 52.1 7.8 | 97 40 | 52 19 | 3.0 3.4 | 17.2 4.3 | 1623 | SW | 221 | 0.00 | 22.43 | 0.124 0.054 | 454 27 | 0 0 |
| Cartograph Wines Remote | 3/8/26 | 76.0 2.6 | 1220 | 44.0 2.4 | 0101 | - | - | - | - | - | - | - | - | - | - | - | 0 0 |
| Rice-Spivak Vineyard | 3/8/26 | 75.9 4.8 | 1400 | 38.7 3.4 | 0040 | - | - | - | - | - | - | - | - | - | - | - | 0 0 |
| Penngrove (Asellus) | 3/8/26 | 78.4 1.4 | 1504 | 44.9 0.9 | 0005 | 48.8 6.8 | 96 15 | 32 10 | 2.1 2.5 | 11.5 12.3 | 0614 | ESE | 121 | 0.00 | 45.68 | - | - | 0 0 |
| Petaluma (Ranch 10) | 3/8/26 | 81.7 0.2 | 1549 | 44.3 5.3 | 0055 | 48.8 7.6 | 93 13 | 30 11 | 1.7 0.3 | 10.6 6.0 | 1848 | NW | 305 | 0.00 | 15.67 | 0.129 0.004 | 410 33 | 60 60 |
| Max | 81.7 | - | 53.2 | - | 52.1 | 100 | 52 | 4.4 | 17.2 | - | - | 0.00 | 45.68 | 0.151 | 515 | - | |
| Avg | - | - | - | - | 49.1 | - | - | 2.3 | - | - | - | - | - | - | - | - | |
| Min | 74.9 | - | 38.7 | - | 46.5 | 78 | 0 | 1.1 | 8.8 | - | - | 0.00 | 5.29 | 0.102 | 340 | - |