Sonoma County-South Daily Obs

19 Stations

Daily Data
as of 9/15/26 6:14 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) 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 9/14/26 83.6   3.5 1345 53.0   4.5 0456 45.3   1.3 79   13 21   2 2.1   0.1 10.4   0.4 1402 SW | 233 0.00 0.02 0.131   0.002 373   31 100   0
Lower Bennett Valley 9/14/26 85.4   6.2 1326 42.0   2.5 0251 46.6   0.1 100   0 21   3 2.6   0.3 15.6   1.2 1459 SW | 231 0.00 0.39 0.167   0.004 478   33 100   0
Kenwood (Wildwood) 9/14/26 86.3   6.7 1411 44.4   1.1 0633 45.6   0.4 96   4 19   3 2.3   0.3 14.8   0.4 1533 NNW | 341 0.00 0.21 0.163   0.002 473   33 50   10
Sonoma Valley (Bedrock) 9/14/26 86.3   7.1 1403 43.8   7.0 0643 44.1   1.6 93   7 19   2 - - - - 0.00 0.29 - - 80   10
Sonoma-West (Arnold) 9/14/26 87.4   8.6 1353 42.9   3.9 0648 44.3   2.3 93   3 19   7 2.7   1.1 17.3   7.1 1557 NW | 306 0.00 0.35 0.204   0.005 571   30 70   10
Sonoma Valley HS 9/14/26 87.3   10.2 1431 46.1   1.2 0707 50.0   0.7 100   3 25   9 1.7   0.7 10.0   5.4 1719 WNW | 283 0.00 0.01 0.167   0.004 513   26 90   10
Sonoma East (Bundschu01) 9/14/26 87.4   8.9 1503 43.1   0.4 0710 46.2   0.7 96   2 20   7 2.8   0.5 20.0   1.1 1331 SE | 124 0.00 0.23 0.184   0.008 522   20 90   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) 9/14/26 89.6   10.0 1520 43.9   0.2 0707 46.5   0.4 94   2 21   5 2.4   1.0 14.5   4.7 1621 WNW | 286 0.00 0.18 - - 90   10
Ricci Vineyards (Carneros) 9/14/26 86.1   7.5 1514 44.9   0.6 0648 48.0   0.2 95   3 24   4 3.5   1.5 17.4   1.9 1703 W | 280 0.00 0.12 0.195   0.006 545   16 100   0
Carneros (Ranch 71) 9/14/26 85.0   8.2 1532 53.6   1.6 0707 48.8   0.8 87   5 22   8 3.5   2.2 21.9   1.1 1701 WSW | 254 0.00 0.07 0.192   0.003 533   18 100   0
Carneros Upper (Ranch 81) 9/14/26 85.3   7.5 1441 54.0   1.8 0616 48.8   1.3 - - 4.8   2.6 22.7   2.7 1724 W | 276 - - - - 100   0
Carneros Lower (Ranch 81) 9/14/26 85.5   0.3 1511 46.5   2.0 0715 47.0   0.2 100   0 0   0 1.4   0.7 13.6   3.8 1434 S | 174 0.00 0.01 0.032   0.017 0   0 100   0
Rohnert Park-West (Stony Point) 9/14/26 84.1   7.4 1250 41.4   1.6 0654 49.4   0.2 98   2 31   10 1.7   1.0 16.0   2.8 1257 WNW | 284 0.00 0.19 - - 100   20
Cartograph Wines Base 9/14/26 81.1   8.0 1230 51.7   1.8 0333 52.8   0.6 94   6 36   8 3.4   1.6 19.1   5.3 1536 SW | 219 0.00 0.30 0.158   0.002 505   27 60   20
Cartograph Wines Remote 9/14/26 83.4   7.7 1218 46.9   1.7 0427 - - - - - - - - - - - 100   10
Rice-Spivak Vineyard 9/14/26 84.3   8.2 1232 39.7   3.1 0504 - - - - - - - - - - - 100   0
Penngrove (Asellus) 9/14/26 86.1   9.5 1314 43.4   1.4 0658 47.8   0.8 97   0 22   9 2.0   0.7 16.1   0.4 1408 W | 278 0.00 0.55 - - 70   20
Petaluma (Ranch 10) 9/14/26 86.4   10.7 1328 44.2   5.1 0659 47.3   1.9 96   5 21   12 1.6   1.6 13.0   3.7 1402 WSW | 239 0.00 0.09 0.162   0.001 488   16 90   10
Max   89.6 - 54.0 - 52.8 100 36 4.8 22.7 - - 0.00 0.55 0.204 571 -
Avg   - - - - 47.4 - - 2.6 - - - - - - - -
Min   81.1 - 39.7 - 44.1 79 0 1.4 10.0 - - 0.00 0.01 0.032 0 -