Station | Date | Daily Max Temp (°F) | Time of Max Temp | Daily Min Temp (°F) | Time of Min Temp | Dew Pt (°F) | RH (%) | 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) | 8/30/25 | 98.6 3.3 | 1434 | 64.7 11.3 | 0500 | 39.3 9.3 | 27 | 55 35 | 8 2 | 3.4 | 18.7 6.2 | 1917 | WNW | 297 | 0.00 | 0.00 | - | - | 10 10 |
Rockpile Upper (Cooley) | 8/30/25 | 96.3 3.5 | 1422 | 66.1 10.2 | 2328 | 37.0 8.9 | 24 | 42 33 | 8 2 | 8.2 | 28.9 11.0 | 2029 | NW | 322 | 0.00 | 0.00 | 0.297 0.066 | 599 4 | 60 10 |
Cloverdale-East (Ranch 83) | 8/30/25 | 103.7 7.9 | 1606 | 54.8 7.3 | 0135 | 43.4 7.9 | - | - | - | 3.1 | 17.0 2.5 | 0545 | NNE | 13 | 0.00 | 0.00 | 0.218 0.025 | 554 2 | 0 0 |
Cloverdale-SE (Ranch 38) | 8/30/25 | 102.0 9.2 | 1605 | 61.0 8.7 | 0229 | 45.0 8.9 | 34 | 74 19 | 12 15 | 6.0 | 19.5 2.3 | 0559 | NNW | 336 | 0.00 | 0.00 | 0.248 0.043 | 511 1 | 0 0 |
Geyserville-North (Hoffman) | 8/30/25 | 100.1 9.0 | 1549 | 49.5 2.5 | 0559 | 47.4 5.5 | 48 | 94 2 | 12 19 | 1.9 | 10.6 0.3 | 1647 | NE | 53 | 0.00 | 0.00 | 0.200 0.020 | 560 15 | 0 0 |
Geyserville (Ranch 3) | 8/30/25 | 100.4 9.7 | 1545 | 50.5 1.6 | 0622 | 45.2 7.3 | 44 | 92 0 | 11 16 | 2.2 | 11.2 1.1 | 2334 | W | 277 | 0.00 | 0.00 | 0.209 0.030 | 536 20 | 0 0 |
Geyserville-East (Ranch 40) | 8/30/25 | 99.9 10.6 | 1521 | 59.6 7.0 | 0644 | 47.8 6.7 | 41 | 79 18 | 15 16 | 4.8 | 17.1 1.5 | 1743 | SSW | 194 | 0.00 | 0.00 | 0.242 0.041 | 568 7 | 0 0 |
Geyserville-South (Nervo Station) | 8/30/25 | 100.0 10.9 | 1600 | 54.3 2.0 | 0612 | - | - | - | - | 2.0 | 11.1 1.7 | 1618 | SSE | 166 | 0.00 | 0.00 | - | - | 0 0 |
Jimtown-North (Piccolo Ranch 15) | 8/30/25 | 101.9 11.0 | 1625 | 48.5 0.9 | 0642 | 44.0 5.7 | 45 | 83 17 | 11 12 | 0.9 | 10.1 2.8 | 1724 | S | 187 | 0.00 | 0.00 | 0.176 0.013 | 531 23 | 0 0 |
HWY 128/Chalk Hill Rd (Landslide) | 8/30/25 | 101.6 11.9 | 1559 | 48.8 1.0 | 0646 | 47.5 4.8 | 53 | 94 1 | 10 17 | 1.2 | 10.4 2.4 | 1727 | SSW | 198 | 0.00 | 0.00 | 0.173 0.015 | 473 23 | 0 0 |
N Chalk Hill Rd (Ranch 63) | 8/30/25 | 100.2 11.7 | 1507 | 47.8 1.6 | 0618 | 46.7 4.4 | 51 | 97 3 | 11 17 | 1.3 | 12.0 0.7 | 1734 | SSW | 202 | 0.00 | 0.00 | 0.186 0.019 | 520 28 | 0 0 |
Knights Valley (Bavarian Lion) | 8/30/25 | 100.2 9.1 | 1547 | 47.1 1.4 | 0628 | 44.1 6.1 | 49 | 96 0 | 7 14 | 1.9 | 11.8 1.6 | 1746 | SW | 226 | 0.00 | 0.00 | 0.206 0.022 | 577 17 | 0 0 |
Upper Dry Creek Valley | 8/30/25 | 101.0 11.4 | 1729 | 50.0 2.5 | 0639 | 46.4 6.9 | 47 | 95 1 | 10 21 | 1.8 | 10.6 1.9 | 1810 | NW | 306 | 0.00 | 0.00 | 0.211 0.014 | 601 10 | 0 0 |
Lower Dry Creek Valley | 8/30/25 | 98.3 11.1 | 1606 | 48.1 0.2 | 0644 | 48.5 4.8 | 54 | 96 4 | 12 21 | 1.6 | 10.2 4.4 | 1557 | SE | 145 | 0.00 | 0.00 | 0.202 0.021 | 570 41 | 70 10 |
Max | 103.7 | - | 66.1 | - | 48.5 | 54 | 97 | 15 | 8.2 | 28.9 | - | - | 0.00 | 0.00 | 0.297 | 601 | - | |
Avg | - | - | - | - | 44.8 | 43 | - | - | 2.9 | - | - | - | - | - | - | - | - | |
Min | 96.3 | - | 47.1 | - | 37.0 | 24 | 42 | 7 | 0.9 | 10.1 | - | - | 0.00 | 0.00 | 0.173 | 473 | - |
Station | Date | Daily Max Temp (°F) | Time of Max Temp | Daily Min Temp (°F) | Time of Min Temp | Dew Pt (°F) | RH (%) | 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) | 8/30/25 | 101.7 12.6 | 1540 | 49.9 0.4 | 0649 | - | - | 96 4 | 10 18 | 0.4 | 11.6 3.4 | 1847 | 0.00 | 0.00 | - | - | 0 |
Windsor-NW (Ranch 8) | 8/30/25 | 101.4 12.6 | 1611 | 52.6 0.1 | 0652 | 51.1 3.0 | 55 | 83 3 | 13 22 | 0.9 | 10.4 2.0 | 1707 | 0.00 | 0.00 | 0.197 0.041 | 582 55 | 0 |
Windsor-East (Ranch 16) | 8/30/25 | 99.3 13.4 | 1509 | 47.1 0.0 | 0610 | 47.5 5.0 | 57 | 97 2 | 7 23 | 1.5 | 10.9 1.8 | 1538 | 0.00 | 0.00 | 0.200 0.027 | 561 42 | 90 |
Mark West-North (Ranch 14) | 8/30/25 | 99.5 14.1 | 1501 | 49.4 0.7 | 0629 | 47.2 5.6 | 52 | 93 3 | 9 22 | 1.2 | 9.2 0.4 | 1633 | 0.00 | 0.00 | 0.039 0.010 | 0 0 | 60 |
Windsor-SE (Silk Rd) | 8/30/25 | 98.4 12.9 | 1640 | 48.2 0.3 | 0627 | 48.7 4.3 | 58 | 95 3 | 8 23 | 1.2 | 9.6 1.0 | 1651 | 0.00 | 0.01 | 0.193 0.026 | 570 47 | 90 |
Fulton-NW (Ranch 5) | 8/30/25 | 97.8 13.3 | 1622 | 48.0 0.7 | 0612 | 48.8 4.5 | 57 | 94 4 | 13 21 | 1.3 | 10.6 1.9 | 1451 | 0.00 | 0.00 | 0.198 0.024 | 568 29 | 90 |
Windsor-South (Laughlin Rd) | 8/30/25 | 98.2 12.7 | 1538 | 50.0 0.8 | 0650 | - | - | - | - | - | - | - | 0.00 | 0.00 | - | - | 90 |
Fulton-SE (Barnes Rd) | 8/30/25 | 97.5 14.5 | 1610 | 50.5 1.3 | 0639 | 49.6 4.2 | 55 | 92 2 | 14 23 | 1.4 | 11.0 1.8 | 1701 | 0.00 | 0.00 | - | - | 90 |
Fulton-SW (Ranch 21) | 8/30/25 | 96.8 13.7 | 1429 | 49.2 0.5 | 0628 | - | - | - | - | 1.8 | 12.2 1.5 | 1638 | 0.00 | 0.00 | 0.228 0.034 | 648 54 | 90 |
Santa Rosa-NW (Goldfields) | 8/30/25 | 98.7 14.4 | 1451 | 49.8 1.0 | 0639 | 48.8 4.7 | 56 | 93 7 | 10 25 | 1.8 | 11.0 3.6 | 1717 | 0.00 | 0.00 | 0.185 0.027 | 487 23 | 90 |
Goldfields Remote | 8/30/25 | 99.0 14.7 | 1609 | 48.5 1.0 | 0612 | - | - | - | - | - | - | - | - | - | - | - | 90 |
NW Santa Rosa (Piner Road) | 8/30/25 | 97.3 14.2 | 1618 | 47.6 0.6 | 0600 | 51.6 3.7 | 64 | 100 0 | 14 28 | 1.4 | 11.4 0.6 | 1447 | 0.00 | 0.00 | - | - | 90 |
River Rd South (Denner Ranch) | 8/30/25 | 96.6 11.7 | 1404 | 47.8 1.1 | 0644 | 49.5 3.3 | 60 | 97 0 | 12 22 | 2.8 | 15.3 0.0 | 1638 | - | - | - | - | 100 |
West Santa Rosa (LOV Vineyard) | 8/30/25 | 99.1 13.7 | 1615 | 48.1 0.0 | 0642 | 49.1 3.9 | 58 | 95 2 | 11 25 | 1.1 | 10.2 1.5 | 1535 | 0.00 | 0.01 | 0.035 0.011 | 0 0 | 90 |
Guerneville Rd (Prokopakis) | 8/30/25 | 100.1 13.6 | 1433 | 47.6 0.2 | 0636 | 50.9 2.4 | 59 | 97 1 | 13 21 | - | - | - | 0.00 | 0.02 | - | - | 70 |
Guerneville Rd West (Balletto) | 8/30/25 | 97.2 14.0 | 1414 | 48.3 0.0 | 0616 | 51.3 3.0 | 62 | 95 3 | 15 27 | 1.6 | 10.0 1.9 | 1630 | 0.00 | 0.00 | - | - | 90 |
Guerneville Rd East (Rich Ranch) | 8/30/25 | 100.1 13.6 | 1623 | 48.8 1.1 | 0651 | 47.7 5.0 | 55 | 91 8 | 9 22 | - | - | - | - | - | - | - | 70 |
Sanchietti Ranch | 8/30/25 | 97.3 14.6 | 1433 | 47.0 1.3 | 0616 | 51.7 3.2 | - | 97 0 | 15 32 | 2.1 | 12.3 0.7 | 1646 | 0.00 | 0.00 | - | - | 90 |
Occidental Rd (Sebastopol) | 8/30/25 | 96.4 12.8 | 1407 | 47.0 0.4 | 0625 | 54.7 3.6 | 72 | 100 0 | 16 39 | 1.6 | 12.7 0.7 | 1649 | 0.00 | 0.00 | - | - | 90 |
Lower Westside Rd (Ranch 12) | 8/30/25 | 98.9 13.2 | 1538 | 49.1 0.4 | 0600 | 47.4 5.2 | 55 | 94 5 | 7 26 | 1.3 | 11.8 1.1 | 1658 | 0.00 | 0.00 | 0.045 0.014 | 0 0 | 70 |
Guerneville (Laughlin Rd) | 8/30/25 | 95.5 13.5 | 1350 | 45.7 1.4 | 0648 | 48.5 3.3 | 60 | 91 5 | 11 29 | 1.2 | 12.1 1.3 | 1511 | 0.00 | 0.00 | - | - | 90 |
Korbel (Winery) | 8/30/25 | 98.0 15.0 | 1357 | 48.5 1.8 | 0624 | 49.2 4.4 | 60 | 95 2 | 9 28 | 0.7 | 12.8 1.2 | 1424 | 0.00 | 0.00 | - | - | 90 |
Forestville (Shone Farms) | 8/30/25 | 100.3 14.4 | 1622 | 51.0 1.2 | 0637 | 50.6 3.4 | 57 | 95 2 | 7 30 | 1.2 | 10.7 0.8 | 1657 | 0.00 | 0.00 | 0.194 0.026 | 578 43 | 90 |
Forestville-NE (Ranch 30) | 8/30/25 | 101.5 15.5 | 1620 | 50.0 4.2 | 0647 | 52.3 2.0 | 62 | 98 1 | 11 28 | 1.5 | 11.3 1.8 | 1445 | 0.00 | 0.00 | 0.204 0.028 | 586 38 | 50 |
Green Valley Vineyard | 8/30/25 | 97.7 13.6 | 1554 | 50.1 2.3 | 0636 | 46.9 6.2 | 56 | 98 0 | 6 29 | 1.6 | 14.2 2.4 | 1735 | 0.00 | 0.01 | 0.081 0.024 | 120 2 | 90 |
Green Valley (Sanchietti) | 8/30/25 | 99.5 12.3 | 1555 | 45.5 1.6 | 0627 | - | - | - | - | - | - | - | - | - | - | - | 80 |
Keefer Ranch (Green Valley) | 8/30/25 | 98.1 13.6 | 1552 | 45.8 1.5 | 0641 | 49.4 4.3 | 64 | 100 0 | 9 28 | - | - | - | 0.00 | 0.00 | - | - | 90 |
Graton-South (Mill Station Rd) | 8/30/25 | 92.7 11.7 | 1320 | 44.9 0.1 | 0653 | 49.8 2.9 | 62 | 96 3 | 14 27 | 0.6 | 7.2 1.1 | 1727 | 0.00 | 0.00 | - | - | 90 |
Occidental (Horseshoe Bend) | 8/30/25 | 95.0 15.2 | 1554 | 55.5 5.4 | 0207 | 50.6 3.1 | - | 92 8 | 8 37 | - | - | - | 0.00 | 0.04 | - | - | 100 |
Sexton Valley (Jacqueline's Blk) | 8/30/25 | 93.5 12.3 | 1435 | 45.5 1.3 | 0706 | 53.3 0.7 | 66 | 100 2 | 22 26 | 1.0 | 9.7 3.1 | 1512 | 0.00 | 0.00 | - | - | 90 |
Sebastopol Hills (Burnside Rd) | 8/30/25 | 90.1 12.8 | 1304 | 55.2 3.1 | 0325 | 53.7 1.7 | 61 | 95 5 | 15 37 | 2.1 | 11.8 2.3 | 1550 | 0.00 | 0.05 | - | - | 50 |
Seaview/Fort Ross (Hirsch) | 8/30/25 | 91.3 13.6 | 1658 | 68.2 15.2 | 0048 | 31.6 20.0 | 18 | 37 58 | 7 20 | 2.2 | 9.6 0.7 | 2057 | 0.00 | 0.06 | 0.214 0.046 | 594 2 | 60 |
Max | 101.7 | - | 68.2 | - | 54.7 | 72 | 100 | 22 | 2.8 | 15.3 | - | 0.00 | 0.06 | 0.228 | 648 | - | |
Avg | - | - | - | - | 49.3 | 58 | - | - | 1.4 | - | - | - | - | - | - | - | |
Min | 90.1 | - | 44.9 | - | 31.6 | 18 | 37 | 6 | 0.4 | 7.2 | - | 0.00 | 0.00 | 0.035 | 0 | - |
Station | Date | Daily Max Temp (°F) | Time of Max Temp | Daily Min Temp (°F) | Time of Min Temp | Dew Pt (°F) | 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 | 8/30/25 | 96.1 13.6 | 1452 | 60.7 10.1 | 0553 | 43.8 8.2 | 73 24 | 9 23 | 1.8 0.3 | 9.0 0.4 | 1726 | SSE | 160 | 0.00 | 0.08 | 0.210 0.032 | 610 26 | 100 0 |
Lower Bennett Valley | 8/30/25 | 97.6 17.0 | 1429 | 45.8 0.8 | 0644 | 45.8 7.6 | 100 0 | 9 29 | 2.2 0.3 | 14.9 1.4 | 1355 | NW | 320 | 0.00 | 0.00 | 0.212 0.045 | 566 41 | 90 10 |
Kenwood (Wildwood) | 8/30/25 | 100.0 13.1 | 1528 | 49.7 2.8 | 0616 | 45.2 8.1 | 97 3 | 8 22 | 2.5 0.9 | 13.3 0.1 | 1832 | NNW | 333 | 0.00 | 0.00 | 0.159 0.033 | 342 21 | 0 0 |
Sonoma Valley (Bedrock) | 8/30/25 | 98.8 11.5 | 1451 | 48.0 0.0 | 0658 | 43.2 7.3 | 95 1 | 7 18 | - | - | - | - | 0.00 | 0.00 | - | - | 50 10 |
Sonoma-West (Arnold) | 8/30/25 | 101.8 14.0 | 1444 | 48.1 0.0 | 0635 | 42.5 7.9 | 87 4 | 7 22 | 2.2 0.8 | 16.6 2.0 | 1707 | W | 274 | 0.00 | 0.00 | 0.251 0.024 | 659 5 | 0 0 |
Sonoma Valley HS | 8/30/25 | 100.2 15.4 | 1456 | 50.8 0.7 | 0636 | 49.6 5.3 | 100 1 | 11 28 | 1.6 0.8 | 5.8 3.5 | 1908 | WSW | 246 | 0.00 | 0.00 | 0.207 0.024 | 585 1 | 90 10 |
Sonoma East (Bundschu01) | 8/5/25 | 83.1 1.4 | 1701 | 49.7 0.7 | 0701 | 50.4 4.3 | 91 8 | 29 6 | 3.9 0.5 | 21.0 2.4 | 1230 | SE | 141 | 0.00 | 0.00 | 0.208 0.023 | 650 20 | 100 0 |
Schellville (Sasaki) | 8/30/25 | 100.0 17.8 | 1438 | 49.0 4.6 | 0659 | 47.5 6.4 | 94 1 | 9 26 | 4.3 4.1 | 19.8 5.7 | 1715 | SSW | 194 | 0.00 | 0.00 | - | - | 90 10 |
Sonoma-SE (Napoli) | 8/30/25 | 103.2 17.6 | 1506 | 48.6 0.4 | 0645 | 46.3 5.7 | 94 1 | 9 22 | 1.8 0.7 | 16.8 2.3 | 1728 | W | 264 | 0.00 | 0.00 | - | - | 40 10 |
Ricci Vineyards (Carneros) | 8/30/25 | 100.7 15.0 | 1508 | 49.2 5.9 | 0604 | 47.5 6.2 | 95 2 | 6 25 | 3.4 3.2 | 17.3 0.0 | 1716 | WNW | 282 | 0.00 | 0.00 | 0.247 0.041 | 607 6 | 100 10 |
Carneros (Ranch 71) | 8/30/25 | 98.8 16.3 | 1546 | 56.6 3.3 | 0409 | 47.6 5.8 | 86 8 | 9 25 | 3.6 3.1 | 23.7 2.8 | 1700 | W | 266 | 0.00 | 0.00 | 0.247 0.045 | 594 1 | 90 10 |
Carneros Upper (Ranch 81) | 8/30/25 | 99.9 14.2 | 1548 | 57.5 4.2 | 0445 | 48.0 5.2 | 83 17 | 8 22 | 4.7 3.6 | 21.6 1.2 | 1802 | W | 277 | - | - | - | - | 90 10 |
Carneros Lower (Ranch 81) | 8/30/25 | 104.7 14.4 | 1606 | 50.8 2.3 | 0638 | 49.6 4.7 | 100 0 | 9 19 | 1.2 0.5 | 10.2 0.1 | 1804 | NNW | 330 | 0.00 | 0.00 | 0.182 0.018 | 533 2 | 80 10 |
Rohnert Park-West (Stony Point) | 8/30/25 | 95.1 16.3 | 1352 | 45.1 3.6 | 0544 | 51.0 3.7 | 98 0 | 18 29 | 1.5 1.0 | 13.3 1.9 | 1508 | W | 272 | 0.00 | 0.00 | - | - | 90 10 |
Cartograph Wines Base | 8/30/25 | 92.9 16.6 | 1341 | 53.0 1.1 | 0613 | 54.2 1.7 | 100 0 | 14 38 | 2.9 1.5 | 19.1 2.9 | 1613 | SW | 227 | 0.00 | 0.07 | 0.203 0.041 | 578 24 | 30 10 |
Cartograph Wines Remote | 8/30/25 | 92.8 14.9 | 1254 | 48.6 3.1 | 0610 | - | - | - | - | - | - | - | - | - | - | - | 80 10 |
Rice-Spivak Vineyard | 8/30/25 | 96.3 17.2 | 1343 | 42.8 3.8 | 0601 | - | - | - | - | - | - | - | - | - | - | - | 90 10 |
Penngrove (Asellus) | 8/30/25 | 96.4 18.3 | 1407 | 46.7 2.8 | 0607 | 48.1 5.4 | 98 0 | 8 35 | 1.6 0.7 | 11.2 2.5 | 1503 | SW | 220 | 0.00 | 0.04 | - | - | 80 10 |
Roger's Creek (Ranch 50) | 8/30/25 | 95.8 19.1 | 1437 | 55.0 0.4 | 0229 | 48.1 5.9 | 95 5 | 9 32 | 3.8 4.5 | 18.5 2.2 | 1512 | WNW | 297 | 0.00 | 0.04 | 0.238 0.061 | 591 12 | 70 10 |
Petaluma (Ranch 10) | 8/30/25 | 98.0 17.8 | 1440 | 47.6 5.0 | 0631 | 48.4 5.6 | 96 2 | 10 29 | 1.8 1.2 | 11.1 1.3 | 1458 | WSW | 240 | 0.00 | 0.03 | 0.199 0.032 | 558 30 | 90 10 |
Max | 104.7 | - | 60.7 | - | 54.2 | 100 | 18 | 4.7 | 23.7 | - | - | 0.00 | 0.08 | 0.251 | 659 | - | |
Avg | - | - | - | - | 47.4 | - | - | 2.6 | - | - | - | - | - | - | - | - | |
Min | 92.8 | - | 42.8 | - | 42.5 | 73 | 6 | 1.2 | 5.8 | - | - | 0.00 | 0.00 | 0.159 | 342 | - |