Sonoma County-South Daily Obs

19 Stations

Daily Data
as of 9/23/26 10:39 PM 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 9/22/26 78.2   4.6 1606 49.4   1.5 0725 51.5   0.9 98   0 41   10 1.4   0.1 8.9   0.6 1357 SSE | 147 0.00 0.02 0.096   0.016 332   53 80   10
Lower Bennett Valley 9/22/26 78.9   3.3 1524 44.7   8.1 0045 52.6   1.3 100   0 43   6 2.2   0.8 12.4   1.7 1648 S | 185 0.00 0.39 0.121   0.019 428   70 60   10
Kenwood (Wildwood) 9/22/26 81.4   2.9 1607 50.0   3.6 0025 52.4   0.6 100   4 39   4 2.0   0.4 10.3   2.0 1455 NNW | 344 0.00 0.21 0.131   0.027 446   95 60   20
Sonoma Valley (Bedrock) 9/22/26 77.0   2.8 1507 50.6   0.9 0001 51.2   0.7 93   1 42   6 - - - - 0.00 0.29 - - 60   10
Sonoma-West (Arnold) 9/22/26 77.7   3.7 1704 50.7   2.3 2330 52.0   0.7 92   1 41   10 2.5   0.5 11.4   0.0 1451 SSE | 152 0.00 0.35 0.142   0.024 467   67 80   20
Sonoma Valley HS 9/22/26 75.2   3.1 1718 54.5   1.4 0634 55.1   0.1 98   1 51   8 2.2   0.0 8.4   0.4 1804 SSW | 201 0.00 0.01 0.120   0.023 422   73 60   10
Sonoma East (Bundschu01) 9/22/26 74.5   2.8 1547 54.6   3.4 2237 53.2   0.4 91   2 49   5 3.5   0.5 14.0   4.8 1703 ESE | 122 0.00 0.23 0.129   0.025 428   69 70   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) 9/22/26 75.4   3.1 1357 54.5   2.0 0715 53.3   0.3 90   2 47   6 2.4   0.3 10.5   1.7 1652 S | 187 0.00 0.18 - - 70   10
Ricci Vineyards (Carneros) 9/22/26 72.7   2.5 1537 54.0   0.6 2233 53.2   0.2 94   1 52   4 3.9   0.3 13.7   1.5 1604 SE | 136 0.00 0.12 0.127   0.019 430   61 80   10
Carneros (Ranch 71) 9/22/26 71.4   3.1 1557 53.5   0.2 0734 53.5   0.5 94   0 54   5 3.4   1.0 12.3   2.7 1348 S | 172 0.00 0.07 0.110   0.015 395   54 50   10
Carneros Upper (Ranch 81) 9/22/26 73.5   3.1 1552 53.5   0.2 0701 51.1   1.9 - - 5.2   1.6 15.3   4.8 1436 S | 190 - - - - 50   10
Carneros Lower (Ranch 81) 9/22/26 73.5   3.1 1407 54.2   0.2 2246 54.0   0.4 92   1 54   5 1.5   0.1 12.2   3.7 1443 S | 174 0.00 0.01 0.017   0.001 6   5 50   10
Rohnert Park-West (Stony Point) 9/22/26 75.4   3.6 1443 44.1   10.4 0045 53.2   1.6 98   0 51   10 1.4   0.9 15.0   3.7 1353 WSW | 244 0.00 0.21 - - 20   10
Cartograph Wines Base 9/22/26 72.8   1.6 1419 51.0   2.4 0045 54.0   0.5 98   0 58   7 2.8   0.9 18.4   1.2 1610 S | 178 0.01 0.31 0.110   0.016 404   48 0   0
Cartograph Wines Remote 9/22/26 70.7   0.7 1407 47.5   6.9 0053 - - - - - - - - - - - 20   10
Rice-Spivak Vineyard 9/22/26 74.9   0.3 1418 41.0   13.1 0050 - - - - - - - - - - - 20   10
Penngrove (Asellus) 9/22/26 79.3   3.0 1456 46.3   8.1 0058 51.5   1.5 95   2 40   5 1.8   0.6 12.7   1.7 1519 W | 277 0.00 0.57 - - 0   0
Petaluma (Ranch 10) 9/22/26 82.6   3.3 1529 47.9   7.3 0059 51.8   1.3 93   2 39   3 1.7   0.7 12.2   0.1 1657 NW | 326 0.00 0.09 0.116   0.007 384   20 60   10
Max   82.6 - 54.6 - 55.1 100 58 5.2 18.4 - - 0.01 0.57 0.142 467 -
Avg   - - - - 52.7 - - 2.5 - - - - - - - -
Min   70.7 - 41.0 - 51.1 90 39 1.4 8.4 - - 0.00 0.01 0.017 6 -