Sonoma County-South Daily Obs

19 Stations

Daily Data
as of 7/22/26 6:22 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 7/21/26 93.3   12.7 1617 63.2   9.7 0133 44.2   9.0 83   13 12   23 1.9   0.2 10.5   0.4 1700 SSW | 208 0.00 0.01 0.167   0.060 410   110 100   0
Lower Bennett Valley 7/21/26 95.3   14.4 1613 56.6   1.3 0527 50.5   5.2 89   7 14   32 2.9   0.0 12.2   2.6 1844 WSW | 242 0.00 0.00 0.213   0.057 547   97 90   10
Kenwood (Wildwood) 7/21/26 97.2   11.8 1607 60.8   5.2 0518 47.8   6.9 80   12 13   22 3.2   0.1 15.6   4.4 1930 N | 352 0.00 0.00 0.241   0.086 617   187 90   10
Sonoma Valley (Bedrock) 7/21/26 96.7   12.1 1603 59.9   3.7 0546 46.4   6.6 75   11 12   21 - - - - 0.00 0.00 - - 90   10
Sonoma-West (Arnold) 7/21/26 99.9   11.4 1610 59.1   1.0 0131 47.9   5.5 79   6 10   6 3.5   0.8 16.1   4.3 1850 SW | 226 0.00 0.00 0.288   0.118 706   223 80   10
Sonoma Valley HS 7/21/26 99.0   12.5 1743 60.7   2.8 0122 52.8   4.2 82   9 16   20 2.2   0.0 5.8   2.4 0000 NNW | 328 0.00 0.00 0.233   0.088 630   206 90   10
Sonoma East (Bundschu01) 7/21/26 95.9   9.3 1625 59.3   1.5 0143 49.3   5.3 80   7 14   19 3.7   1.1 15.8   3.7 1644 SSE | 152 0.00 0.00 0.258   0.115 613   222 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) 7/21/26 96.8   9.1 1347 59.6   2.2 0143 49.4   5.1 77   10 14   19 2.7   0.8 12.8   1.7 2323 NW | 311 0.00 0.00 - - 90   10
Ricci Vineyards (Carneros) 7/21/26 95.9   10.6 1617 60.8   3.5 0134 50.7   3.9 76   12 17   22 4.2   0.4 15.2   2.5 2252 NW | 311 0.00 0.01 0.267   0.109 642   206 100   0
Carneros (Ranch 71) 7/21/26 93.0   10.2 1618 61.8   5.3 0122 50.0   4.4 77   14 18   16 3.0   0.6 14.9   2.4 2056 W | 270 0.00 0.00 0.232   0.080 607   180 90   10
Carneros Upper (Ranch 81) 7/21/26 94.0   10.3 1603 63.0   6.4 0541 50.3   4.5 - - 4.9   0.5 19.1   1.1 1833 S | 189 - - - - 90   10
Carneros Lower (Ranch 81) 7/21/26 92.4   6.1 1445 62.0   4.2 0606 52.9   3.3 83   5 20   16 1.9   0.6 13.7   2.1 1828 S | 183 0.00 0.00 0.205   0.072 542   136 90   10
Rohnert Park-West (Stony Point) 7/21/26 92.4   18.1 1727 56.1   0.1 0126 54.4   2.4 92   4 18   39 2.5   0.6 15.6   1.0 1521 W | 272 0.00 0.00 - - 60   10
Cartograph Wines Base 7/21/26 93.4   20.7 1448 55.6   0.5 0101 54.9   1.9 94   3 18   47 3.3   0.2 21.9   2.3 1924 SW | 227 0.00 0.02 0.221   0.090 561   112 20   10
Cartograph Wines Remote 7/21/26 92.2   16.9 1644 55.7   0.5 0106 - - - - - - - - - - - 60   10
Rice-Spivak Vineyard 7/21/26 94.9   19.8 1452 55.0   2.8 0126 - - - - - - - - - - - 60   10
Penngrove (Asellus) 7/21/26 96.6   17.4 1450 55.9   0.5 0129 48.6   5.9 87   4 11   30 2.8   0.3 13.0   0.7 1628 NW | 305 0.00 0.00 - - 90   10
Petaluma (Ranch 10) 7/21/26 98.1   15.0 1543 57.8   0.9 0120 50.5   4.6 84   6 13   24 2.4   0.3 13.7   1.4 1912 WSW | 243 0.00 0.00 0.214   0.047 558   58 90   10
Max   99.9 - 63.2 - 54.9 94 20 4.9 21.9 - - 0.00 0.02 0.288 706 -
Avg   - - - - 50.0 - - 3.0 - - - - - - - -
Min   92.2 - 55.0 - 44.2 75 10 1.9 5.8 - - 0.00 0.00 0.167 410 -