| 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) | 3/22/26 | 80.3 2.0 | 1539 | 50.2 1.6 | 0323 | 38.8 2.8 | 44 | 65 3 | 12 11 | 4.0 | 19.0 7.7 | 1815 | W | 277 | 0.00 | 36.97 | - | - | 60 60 |
| Rockpile Upper (Cooley) | 3/22/26 | 75.9 2.3 | 1440 | 46.9 0.2 | 0127 | 37.9 3.2 | 46 | 70 0 | 16 10 | 11.4 | 26.7 9.9 | 2349 | NW | 322 | 0.00 | 37.66 | 0.208 0.029 | 527 13 | 0 0 |
| Cloverdale-East (Ranch 83) | 3/22/26 | 86.1 0.0 | 1608 | 50.4 1.9 | 0056 | 43.9 1.9 | - | - | - | 4.7 | 19.3 3.1 | 0737 | N | 4 | 0.00 | 30.99 | 0.160 0.036 | 471 14 | 0 10 |
| Cloverdale-SE (Ranch 38) | 3/22/26 | 84.9 0.2 | 1512 | 52.0 3.1 | 0704 | 45.4 0.8 | 53 | 71 6 | 24 4 | 7.1 | 26.0 1.0 | 0713 | N | 354 | 0.00 | 32.45 | 0.165 0.055 | 442 24 | 0 0 |
| Geyserville-North (Hoffman) | 3/22/26 | 88.5 1.5 | 1444 | 45.8 7.8 | 0732 | 46.9 0.6 | 58 | 92 4 | 30 6 | 2.5 | 11.7 5.3 | 0344 | WNW | 282 | 0.00 | 25.50 | 0.144 0.053 | 438 17 | 0 10 |
| Geyserville (Ranch 3) | 3/22/26 | 83.4 3.7 | 1605 | 48.5 7.8 | 0730 | 45.4 1.3 | 55 | 90 8 | 25 5 | 3.4 | 12.8 7.0 | 0335 | W | 279 | 0.00 | 31.63 | 0.157 0.075 | 471 8 | 30 20 |
| Geyserville-East (Ranch 40) | 3/22/26 | 84.3 1.9 | 1557 | 49.0 5.1 | 0635 | 47.2 0.6 | 59 | 83 17 | 29 3 | 4.1 | 16.3 3.8 | 1707 | SSW | 193 | 0.00 | 32.10 | 0.166 0.040 | 486 22 | 30 20 |
| Geyserville-South (Nervo Station) | 3/22/26 | 82.3 4.1 | 1601 | 48.0 6.8 | 0730 | - | - | - | - | 2.0 | 14.2 9.7 | 0339 | N | 349 | 0.00 | 24.64 | - | - | 30 20 |
| Jimtown-North (Piccolo Ranch 15) | 3/22/26 | 84.0 2.1 | 1527 | 42.8 7.5 | 0731 | 44.9 0.9 | 62 | 100 0 | 23 2 | 1.4 | 9.9 9.4 | 1706 | S | 190 | 0.00 | 29.34 | 0.130 0.036 | 429 12 | 60 20 |
| HWY 128/Chalk Hill Rd (Landslide) | 3/22/26 | 84.1 4.3 | 1527 | 43.0 4.2 | 0721 | 46.6 0.7 | 68 | 95 5 | 23 0 | 2.0 | 10.7 8.7 | 1724 | SSE | 148 | 0.00 | 28.06 | 0.129 0.037 | 411 22 | 50 20 |
| N Chalk Hill Rd (Ranch 63) | 3/22/26 | 82.2 3.5 | 1607 | 40.6 5.1 | 0730 | 45.6 0.0 | 66 | 100 0 | 27 6 | 0.8 | 8.5 13.0 | 1056 | WNW | 289 | 0.00 | 29.61 | 0.121 0.038 | 420 20 | 50 20 |
| Knights Valley (Bavarian Lion) | 3/22/26 | 83.2 2.6 | 1614 | 38.0 7.0 | 0604 | 44.6 1.2 | 69 | 97 0 | 18 4 | 1.6 | 11.4 6.8 | 1715 | NW | 308 | 0.00 | 27.72 | 0.141 0.036 | 476 7 | 10 10 |
| Upper Dry Creek Valley | 3/22/26 | 83.9 1.5 | 1555 | 45.3 8.1 | 0643 | 45.6 2.9 | 57 | 95 6 | 24 7 | 2.3 | 15.7 7.5 | 0143 | WNW | 291 | 0.00 | 34.53 | 0.160 0.081 | 499 22 | 40 20 |
| Lower Dry Creek Valley | 3/22/26 | 83.5 2.9 | 1530 | 43.2 8.5 | 0724 | 45.4 1.2 | 59 | 100 0 | 26 10 | 2.2 | 12.3 8.8 | 1813 | SE | 131 | 0.00 | 33.46 | 0.151 0.092 | 457 21 | 30 20 |
| Max | 88.5 | - | 52.0 | - | 47.2 | 69 | 100 | 30 | 11.4 | 26.7 | - | - | 0.00 | 37.66 | 0.208 | 527 | - | |
| Avg | - | - | - | - | 44.5 | 58 | - | - | 3.5 | - | - | - | - | - | - | - | - | |
| Min | 75.9 | - | 38.0 | - | 37.9 | 44 | 65 | 12 | 0.8 | 8.5 | - | - | 0.00 | 24.64 | 0.121 | 411 | - |
| 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) | 3/22/26 | 82.3 6.3 | 1536 | 46.0 5.5 | 0714 | 47.9 0.8 | 68 | 85 2 | 35 13 | 0.8 | 11.8 8.0 | 1618 | 0.00 | 29.12 | 0.141 0.053 | 487 21 | 50 |
| Windsor-East (Ranch 16) | 3/22/26 | 80.5 6.7 | 1602 | 41.4 6.7 | 0705 | 45.8 1.0 | 69 | 97 1 | 30 11 | 2.0 | 11.0 4.6 | 1826 | 0.00 | 21.96 | 0.149 0.035 | 480 20 | 30 |
| Mark West-North (Ranch 14) | 3/22/26 | 79.8 8.7 | 1510 | 42.6 6.3 | 0641 | 45.9 0.2 | 68 | 96 1 | 27 10 | 1.3 | 10.0 0.6 | 1625 | 0.00 | 23.74 | 0.022 0.011 | 0 0 | 0 |
| Windsor-SE (Silk Rd) | 3/22/26 | 79.6 7.7 | 1523 | 41.3 4.9 | 0706 | 46.1 0.3 | 73 | 98 0 | 30 12 | 1.6 | 11.7 4.8 | 1801 | 0.00 | 21.14 | 0.141 0.035 | 474 20 | 0 |
| Fulton-NW (Ranch 5) | 3/22/26 | 78.3 9.0 | 1507 | 41.6 6.6 | 0615 | 46.2 1.0 | 73 | 97 0 | 31 13 | 2.0 | 11.7 5.6 | 1829 | 0.00 | 23.97 | 0.145 0.038 | 482 21 | 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) | 3/22/26 | 79.6 9.5 | 1540 | 43.7 5.6 | 0709 | 46.3 2.3 | 69 | 94 2 | 30 9 | 2.0 | 11.8 5.6 | 1602 | 0.00 | 23.01 | - | - | 0 |
| Fulton-SW (Ranch 21) | 3/22/26 | 77.7 9.2 | 1509 | 41.8 6.0 | 0715 | 45.7 2.9 | 73 | 100 0 | 0 0 | 2.3 | 11.1 5.6 | 1803 | 0.00 | 23.44 | 0.149 0.034 | 510 14 | 0 |
| NW Santa Rosa (Piner Road) | 3/22/26 | 78.1 9.3 | 1524 | 41.1 5.9 | 0704 | 48.8 3.2 | 81 | 100 0 | 44 18 | 1.7 | 10.5 0.7 | 1802 | 0.00 | 21.90 | - | - | 0 |
| River Rd South (Denner Ranch) | 3/22/26 | 77.5 11.6 | 1440 | 40.9 5.6 | 0707 | 47.2 0.9 | 79 | 100 0 | 0 0 | 2.3 | 12.1 7.2 | 1708 | - | - | - | - | 0 |
| West Santa Rosa (LOV Vineyard) | 3/22/26 | 77.4 10.5 | 1451 | 41.7 5.6 | 0722 | 46.7 2.4 | 75 | 98 0 | 36 19 | 1.3 | 10.6 6.9 | 1500 | 0.00 | 16.83 | 0.022 0.021 | 0 0 | 0 |
| Guerneville Rd (Prokopakis) | 3/22/26 | 80.5 7.6 | 1456 | 43.0 5.0 | 0654 | 47.2 2.4 | 73 | 97 1 | 34 17 | - | - | - | 0.00 | 23.04 | - | - | 0 |
| Guerneville Rd West (Balletto) | 3/22/26 | 77.5 10.5 | 1448 | 41.0 4.7 | 0643 | 47.6 3.2 | 78 | 99 1 | 42 20 | 2.0 | 11.0 4.1 | 1802 | 0.00 | 22.55 | - | - | 0 |
| Sanchietti Ranch | 3/22/26 | 77.3 5.4 | 1504 | 41.8 5.1 | 0722 | 48.8 5.0 | - | 97 0 | 45 2 | 2.4 | 12.4 1.5 | 1755 | 0.00 | 23.50 | - | - | 0 |
| Occidental Rd (Sebastopol) | 3/22/26 | 77.2 7.2 | 1452 | 40.6 4.4 | 0652 | 51.6 5.6 | 90 | 100 0 | 48 4 | 1.7 | 10.5 1.3 | 1501 | 0.00 | 6.96 | - | - | 0 |
| Lower Westside Rd (Ranch 12) | 3/22/26 | 81.7 7.3 | 1524 | 42.2 4.7 | 0732 | 46.6 0.1 | 71 | 96 0 | 31 14 | 1.4 | 9.0 4.1 | 1803 | 0.00 | 28.30 | - | - | 50 |
| Guerneville (Laughlin Rd) | 3/22/26 | 83.7 6.8 | 1428 | 40.4 4.8 | 0727 | 44.9 0.1 | 69 | 98 0 | 21 6 | 1.6 | 12.1 7.3 | 1634 | 0.00 | 39.24 | - | - | 0 |
| Korbel (Winery) | 3/22/26 | 83.0 6.2 | 1520 | 43.2 4.2 | 0659 | 47.2 0.6 | 69 | 98 2 | 29 13 | 1.1 | 8.0 11.8 | 1609 | 0.00 | 36.61 | - | - | 40 |
| Forestville (Shone Farms) | 3/22/26 | 80.5 9.4 | 1458 | 43.6 3.8 | 0720 | 47.2 0.1 | 70 | 95 4 | 38 20 | 2.1 | 11.1 8.6 | 1755 | 0.00 | 30.31 | 0.142 0.037 | 464 17 | 0 |
| Forestville-NE (Ranch 30) | 3/22/26 | 79.3 9.5 | 1451 | 42.4 4.7 | 0732 | 48.6 1.3 | 75 | 98 1 | 39 16 | 2.0 | 11.5 9.2 | 1805 | 0.00 | 28.46 | 0.144 0.038 | 476 20 | 50 |
| Green Valley Vineyard | 3/22/26 | 77.2 11.0 | 1525 | 44.0 3.7 | 0718 | 47.8 0.1 | 73 | 97 5 | 41 23 | 1.7 | 9.9 5.7 | 1307 | 0.00 | 35.04 | 0.034 0.043 | 52 71 | 0 |
| Green Valley (Sanchietti) | 3/22/26 | 79.5 10.3 | 1525 | 39.3 5.8 | 0651 | - | - | - | - | - | - | - | - | - | - | - | 0 |
| Keefer Ranch (Green Valley) | 3/22/26 | 78.1 10.8 | 1532 | 40.5 4.2 | 0723 | 47.6 2.0 | 77 | 99 0 | 44 21 | - | - | - | 0.00 | 31.31 | - | - | 0 |
| Graton-South (Mill Station Rd) | 3/22/26 | 73.7 13.2 | 1420 | 39.7 4.6 | 0728 | 46.9 3.1 | 77 | 98 0 | 42 21 | 0.7 | 7.9 0.3 | 1436 | 0.00 | 27.62 | - | - | 0 |
| Occidental (Horseshoe Bend) | 3/22/26 | 71.5 12.3 | 1521 | 47.2 4.0 | 2348 | 46.6 0.8 | - | 95 5 | 43 13 | - | - | - | 0.00 | 32.02 | - | - | 100 |
| Sexton Valley (Jacqueline's Blk) | 3/22/26 | 73.9 11.4 | 1412 | 41.6 3.8 | 0721 | 47.7 3.8 | 79 | 99 0 | 45 12 | 1.4 | 11.3 0.7 | 1437 | 0.00 | 15.31 | - | - | 0 |
| Sebastopol Hills (Burnside Rd) | 3/22/26 | 70.2 11.9 | 1516 | 47.9 5.9 | 0011 | 47.8 2.4 | 73 | 94 5 | 50 15 | 1.9 | 13.8 2.2 | 1645 | 0.00 | 27.89 | - | - | 0 |
| Seaview/Fort Ross (Hirsch) | 3/22/26 | 75.3 2.2 | 1540 | 52.5 0.7 | 0134 | 40.3 1.5 | 43 | 59 0 | 29 1 | 2.9 | 13.5 7.4 | 0049 | 0.00 | 48.40 | 0.157 0.042 | 518 8 | 90 |
| Max | 83.7 | - | 52.5 | - | 51.6 | 90 | 100 | 50 | 2.9 | 13.8 | - | 0.00 | 48.40 | 0.157 | 518 | - | |
| Avg | - | - | - | - | 47.0 | 73 | - | - | 1.7 | - | - | - | - | - | - | - | |
| Min | 70.2 | - | 39.3 | - | 40.3 | 43 | 59 | 0 | 0.7 | 7.9 | - | 0.00 | 6.96 | 0.022 | 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 | 3/22/26 | 77.8 7.6 | 1521 | 48.6 3.3 | 0559 | 45.2 1.2 | 78 9 | 28 5 | 2.0 0.7 | 9.3 3.7 | 1314 | SSE | 159 | 0.00 | 5.41 | 0.147 0.024 | 504 6 | 0 0 |
| Lower Bennett Valley | 3/22/26 | 78.7 6.2 | 1454 | 38.4 5.2 | 0712 | 46.4 2.8 | 100 0 | 31 4 | 2.1 0.2 | 11.5 0.1 | 1715 | ESE | 118 | 0.00 | 22.06 | 0.143 0.015 | 478 9 | 0 0 |
| Kenwood (Wildwood) | 3/22/26 | 81.8 2.8 | 1506 | 42.0 7.2 | 0611 | 47.5 2.1 | 97 10 | 28 1 | 2.6 0.2 | 11.5 5.1 | 1719 | NW | 317 | 0.00 | 26.90 | 0.140 0.012 | 462 20 | 70 20 |
| Sonoma Valley (Bedrock) | 3/22/26 | 82.0 2.4 | 1632 | 41.6 6.6 | 0645 | 45.7 1.2 | 94 0 | 29 5 | - | - | - | - | 0.00 | 23.11 | - | - | 100 20 |
| Sonoma-West (Arnold) | 3/22/26 | 82.7 2.8 | 1552 | 40.2 4.9 | 0623 | 46.4 4.2 | 98 2 | 32 2 | 1.8 0.6 | 12.1 3.0 | 1613 | SW | 217 | 0.00 | 17.20 | 0.169 0.008 | 556 12 | 70 20 |
| Sonoma Valley HS | 3/22/26 | 79.6 3.8 | 1549 | 42.8 5.7 | 0634 | 49.3 4.2 | 100 0 | 40 4 | 1.4 0.3 | 9.3 1.4 | 1720 | SW | 224 | 0.00 | 5.29 | 0.143 0.006 | 501 15 | 40 20 |
| Sonoma East (Bundschu01) | 3/22/26 | 79.4 2.9 | 1534 | 41.5 4.6 | 0603 | 47.2 3.6 | 97 4 | 38 0 | 2.4 0.4 | 10.5 8.1 | 1638 | SW | 222 | 0.00 | 17.48 | 0.152 0.007 | 518 15 | 40 10 |
| 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) | 3/22/26 | 81.5 1.5 | 1511 | 41.6 5.7 | 0608 | 47.3 3.5 | 95 0 | 37 1 | 1.1 0.3 | 9.5 7.4 | 1820 | SSW | 194 | 0.00 | 14.95 | - | - | 0 0 |
| Ricci Vineyards (Carneros) | 3/22/26 | 77.5 5.8 | 1432 | 42.2 7.1 | 0708 | 47.5 3.3 | 96 1 | 42 7 | 3.1 0.7 | 12.5 6.2 | 1748 | W | 272 | 0.00 | 18.75 | 0.154 0.017 | 526 11 | 0 0 |
| Carneros (Ranch 71) | 3/22/26 | 77.1 5.0 | 1459 | 48.2 3.9 | 0304 | 47.5 3.4 | 87 2 | 42 5 | 2.9 1.3 | 18.0 0.6 | 1809 | W | 276 | 0.00 | 16.20 | 0.150 0.016 | 511 16 | 40 10 |
| Carneros Upper (Ranch 81) | 3/22/26 | 79.6 3.7 | 1527 | 49.8 3.2 | 0445 | 47.2 4.1 | - | - | 5.5 1.2 | 19.7 5.1 | 1823 | WSW | 239 | - | - | - | - | 90 10 |
| Carneros Lower (Ranch 81) | 3/22/26 | 78.7 10.5 | 1554 | 43.0 4.6 | 0659 | 46.8 5.0 | 100 0 | 0 0 | 1.4 0.0 | 10.4 1.9 | 1458 | SE | 146 | 0.00 | 16.94 | 0.117 0.003 | 397 22 | 0 0 |
| Rohnert Park-West (Stony Point) | 3/22/26 | 72.2 7.2 | 1421 | 38.5 4.1 | 0720 | 46.8 4.1 | 99 1 | 49 1 | 1.9 0.3 | 13.8 0.7 | 1648 | WSW | 237 | 0.00 | 6.33 | - | - | 0 0 |
| Cartograph Wines Base | 3/22/26 | 70.7 5.5 | 1419 | 45.9 3.3 | 0728 | 48.2 3.6 | 95 3 | 56 6 | 3.0 0.9 | 21.7 4.5 | 1637 | SSW | 193 | 0.00 | 22.43 | 0.129 0.019 | 498 2 | 0 0 |
| Cartograph Wines Remote | 3/22/26 | 74.2 3.8 | 1239 | 40.1 2.5 | 0722 | - | - | - | - | - | - | - | - | - | - | - | 50 10 |
| Rice-Spivak Vineyard | 3/22/26 | 71.1 5.8 | 1439 | 33.4 3.6 | 0713 | - | - | - | - | - | - | - | - | - | - | - | 0 0 |
| Penngrove (Asellus) | 3/22/26 | 76.6 4.0 | 1448 | 39.1 2.8 | 0646 | 45.6 3.4 | 97 1 | 36 7 | 1.8 0.3 | 10.5 0.1 | 1458 | NW | 310 | 0.00 | 45.71 | - | - | 0 0 |
| Petaluma (Ranch 10) | 3/22/26 | 81.3 1.5 | 1504 | 39.0 5.3 | 0714 | 45.5 2.1 | 100 5 | 36 5 | 2.1 0.5 | 13.1 1.6 | 1714 | WNW | 299 | 0.00 | 15.67 | 0.143 0.015 | 462 3 | 40 10 |
| Max | 82.7 | - | 49.8 | - | 49.3 | 100 | 56 | 5.5 | 21.7 | - | - | 0.00 | 45.71 | 0.169 | 556 | - | |
| Avg | - | - | - | - | 46.9 | - | - | 2.4 | - | - | - | - | - | - | - | - | |
| Min | 70.7 | - | 33.4 | - | 45.2 | 78 | 0 | 1.1 | 9.3 | - | - | 0.00 | 5.29 | 0.117 | 397 | - |