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Sonoma County-North Daily Obs

14 Stations

Daily Data | America/Los_Angeles
as of 8/31/25 5:16 PM PDT
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 -

Sonoma County-Central Daily Obs

Sonoma County-Central Daily Obs

Daily Data | America/Los_Angeles
as of 8/31/25 5:16 PM PDT
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 -

Sonoma County-South Daily Obs

20 Stations

Daily Data | America/Los_Angeles
as of 8/31/25 5:16 PM PDT
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 -