Sonoma County-Central Daily Obs

Sonoma County-Central Daily Obs

Daily Data | America/Los_Angeles
as of 8/30/25 4:21 AM PDT
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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) 8/29/25 89.1   0.1 1455 49.5   4.2 0416 - - 100   0 28   4 1.3 14.9   0.6 1529 0.00 0.00 - - 0
Windsor-NW (Ranch 8) 8/29/25 88.8   0.2 1503 52.5   4.7 0441 54.2   1.8 69 86   2 34   3 0.1 8.4   2.4 1444 0.00 0.00 0.156   0.011 527   52 0
Windsor-East (Ranch 16) 8/29/25 85.9   1.9 1447 47.1   4.2 0423 52.5   2.2 72 100   0 31   2 2.2 12.7   0.2 1823 0.00 0.00 0.173   0.009 519   39 100
Mark West-North (Ranch 14) 8/29/25 85.4   0.0 1455 50.1   3.7 0341 52.8   2.1 69 96   1 31   4 1.6 9.6   0.9 1536 0.00 0.00 0.029   0.001 0   0 60
Windsor-SE (Silk Rd) 8/29/25 85.5   0.7 1502 48.4   4.9 0437 53.0   2.3 72 98   2 32   1 1.6 10.6   1.2 1646 0.00 0.01 0.167   0.008 523   40 100
Fulton-NW (Ranch 5) 8/29/25 84.5   0.7 1451 48.7   4.9 0408 53.4   2.8 72 98   2 34   3 1.9 12.6   0.1 1635 0.00 0.00 0.174   0.005 538   20 100
Windsor-South (Laughlin Rd) 8/29/25 85.5   0.4 1430 49.2   2.4 0426 - - - - - - - 0.00 0.00 - - 100
Fulton-SE (Barnes Rd) 8/29/25 83.0   0.4 1403 51.8   4.8 0359 53.9   2.1 71 94   0 36   3 2.1 12.7   0.7 1531 0.00 0.00 - - 100
Fulton-SW (Ranch 21) 8/29/25 83.1   0.8 1444 49.7   4.5 0340 - - - - 2.4 13.7   0.2 1510 0.00 0.00 0.194   0.003 594   29 100
Santa Rosa-NW (Goldfields) 8/29/25 84.3   0.1 1430 50.8   4.2 0318 53.5   2.3 72 100   6 35   2 2.4 14.6   1.7 1556 0.00 0.00 0.158   0.004 465   22 100
Goldfields Remote 8/29/25 84.3   0.5 1453 49.5   4.8 0337 - - - - - - - - - - - 100
NW Santa Rosa (Piner Road) 8/29/25 83.1   0.4 1456 48.2   5.1 0436 55.2   2.1 80 100   0 42   2 1.7 10.8   2.7 1751 0.00 0.00 - - 100
River Rd South (Denner Ranch) 8/29/25 84.9   2.0 1400 46.7   3.8 0450 52.9   1.3 74 97   0 34   3 3.5 15.3   1.1 1443 - - - - 100
West Santa Rosa (LOV Vineyard) 8/29/25 85.4   1.2 1452 48.1   3.6 0502 53.0   1.8 73 98   1 36   2 1.4 11.7   0.1 1454 0.00 0.01 0.024   0.002 1   0 100
Guerneville Rd (Prokopakis) 8/29/25 86.5   2.2 1443 47.4   3.4 0527 53.4   1.5 73 98   1 34   2 - - - 0.00 0.02 - - 80
Guerneville Rd West (Balletto) 8/29/25 83.2   1.1 1437 48.3   3.2 0425 54.3   1.7 76 98   1 42   0 2.2 11.8   0.4 1712 0.00 0.00 - - 100
Guerneville Rd East (Rich Ranch) 8/29/25 86.5   0.3 1425 49.9   4.3 0356 52.7   2.2 70 99   6 31   5 - - - - - - - 80
Sanchietti Ranch 8/29/25 82.7   1.1 1415 48.3   4.4 0416 54.8   2.3 - 97   0 47   4 2.5 13.0   2.0 1443 0.00 0.00 - - 100
Occidental Rd (Sebastopol) 8/29/25 83.6   1.1 1418 47.4   3.9 0449 58.2   1.7 88 100   0 55   3 2.0 13.4   3.7 1533 0.00 0.00 - - 100
Lower Westside Rd (Ranch 12) 8/29/25 85.7   2.1 1440 48.8   4.1 0438 52.6   2.6 70 98   4 32   6 1.6 10.7   2.3 1449 0.00 0.00 0.031   0.005 0   0 80
Guerneville (Laughlin Rd) 8/29/25 82.0   1.1 1414 47.1   4.3 0420 51.8   2.2 73 96   0 40   6 1.8 13.4   0.4 1452 0.00 0.00 - - 100
Korbel (Winery) 8/29/25 83.0   0.5 1326 50.2   3.8 0359 53.5   1.9 73 97   0 37   2 1.2 14.0   3.5 1742 0.00 0.00 - - 100
Forestville (Shone Farms) 8/29/25 85.9   0.8 1443 49.8   3.5 0524 54.0   2.0 72 96   2 37   8 1.5 10.0   2.5 1620 0.00 0.00 0.168   0.011 535   42 100
Forestville-NE (Ranch 30) 8/29/25 86.0   0.8 1447 45.8   1.5 0532 54.3   1.6 75 97   1 39   4 2.0 13.2   0.2 1554 0.00 0.00 0.176   0.009 548   39 60
Green Valley Vineyard 8/29/25 84.1   1.2 1434 47.9   1.5 0551 53.1   1.9 74 98   0 35   7 1.6 11.8   0.7 1509 0.00 0.01 0.057   0.014 119   58 100
Green Valley (Sanchietti) 8/29/25 87.2   1.0 1413 43.9   3.1 0528 - - - - - - - - - - - 90
Keefer Ranch (Green Valley) 8/29/25 84.5   2.1 1356 44.2   3.2 0548 53.7   2.5 78 100   0 37   1 - - - 0.00 0.00 - - 100
Graton-South (Mill Station Rd) 8/29/25 81.0   3.1 1332 45.0   4.0 0407 52.6   2.1 77 99   2 41   3 0.7 8.3   1.6 1559 0.00 0.00 - - 100
Occidental (Horseshoe Bend) 8/29/25 79.8   3.0 1240 50.1   0.4 0523 53.8   0.9 - 100   0 45   0 - - - 0.00 0.04 - - 80
Sexton Valley (Jacqueline's Blk) 8/29/25 81.2   2.8 1329 46.8   4.9 0256 54.0   2.0 78 98   0 48   1 1.0 12.8   1.5 1609 0.00 0.00 - - 100
Sebastopol Hills (Burnside Rd) 8/29/25 77.3   1.8 1302 52.1   1.7 0736 55.4   0.8 82 100   1 52   0 2.7 14.1   0.8 1600 0.00 0.05 - - 60
Seaview/Fort Ross (Hirsch) 8/29/25 77.7   11.7 1623 53.0   2.0 0653 51.6   0.7 65 95   2 27   36 2.1 10.3   0.5 1718 0.00 0.06 0.168   0.019 592   17 40
Max   89.1 - 53.0 - 58.2 88 100 55 3.5 15.3 - 0.00 0.06 0.194 594 -
Avg   - - - - 53.6 74 - - 1.8 - - - - - - -
Min   77.3 - 43.9 - 51.6 65 86 27 0.1 8.3 - 0.00 0.00 0.024 0 -