Sonoma County-South Daily Obs

19 Stations

Daily Data
as of 9/3/26 8:43 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 9/2/26 72.0   0.3 1536 54.2   0.7 2146 55.1   3.0 97   1 46   1 1.8   0.2 10.6   1.0 1502 SE | 132 0.00 0.01 0.076   0.009 249   54 80   10
Lower Bennett Valley 9/2/26 73.5   0.2 1534 51.7   1.5 2344 55.4   2.5 100   0 46   3 2.9   0.1 14.6   1.7 1553 SSW | 213 0.06 0.06 0.113   0.012 374   72 70   10
Kenwood (Wildwood) 9/2/26 74.8   0.2 1546 52.8   1.5 0255 54.9   2.7 97   0 43   7 2.1   0.4 15.4   0.9 1546 SW | 227 0.06 0.06 0.107   0.029 348   101 10   10
Sonoma Valley (Bedrock) 9/2/26 74.3   1.1 1440 52.6   0.4 0108 53.7   3.4 95   4 42   7 - - - - 0.09 0.09 - - 70   10
Sonoma-West (Arnold) 9/2/26 77.0   0.8 1502 52.8   0.0 0101 54.3   2.4 93   4 39   7 3.1   1.5 16.2   3.9 1800 W | 272 0.06 0.06 0.141   0.022 437   36 10   10
Sonoma Valley HS 9/2/26 76.5   0.8 1622 54.5   0.4 0323 56.8   2.1 99   3 47   6 1.6   1.2 10.4   0.1 1817 WSW | 244 0.01 0.01 0.104   0.026 343   63 70   10
Sonoma East (Bundschu01) 9/2/26 76.1   0.1 1541 51.5   0.5 0128 54.1   2.1 92   2 41   7 3.0   0.9 16.4   7.9 1624 NW | 310 0.05 0.05 0.105   0.043 313   108 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) 9/2/26 79.1   1.9 1606 51.0   0.7 0138 54.0   2.0 92   3 36   4 2.7   1.4 14.8   3.4 1654 SW | 230 0.00 0.00 - - 90   10
Ricci Vineyards (Carneros) 9/2/26 77.1   0.7 1544 52.0   1.1 0130 54.8   2.4 94   3 40   8 4.1   1.5 16.7   2.1 1659 WNW | 292 0.02 0.03 0.111   0.040 322   93 100   10
Carneros (Ranch 71) 9/2/26 74.9   0.4 1620 56.7   0.0 0034 55.2   2.8 94   2 43   8 4.5   2.9 20.5   1.5 1851 W | 262 0.01 0.01 0.102   0.049 286   114 40   10
Carneros Upper (Ranch 81) 9/2/26 75.9   2.1 1622 56.6   0.2 0007 54.5   2.2 - - 7.0   3.0 24.7   1.1 2002 W | 271 - - - - 40   10
Carneros Lower (Ranch 81) 9/2/26 80.3   1.7 1640 52.0   0.5 0127 55.4   2.3 100   9 0   36 - 17.0   1.0 1442 SSE | 155 0.00 0.00 0.010   0.007 1   1 70   10
Rohnert Park-West (Stony Point) 9/2/26 72.4   0.8 1511 54.7   1.3 0211 57.8   2.0 98   2 57   11 2.5   1.7 18.0   2.2 1604 W | 270 0.04 0.04 - - 70   10
Cartograph Wines Base 9/2/26 71.2   0.0 1521 55.4   0.5 0208 58.2   2.0 97   0 63   11 4.1   0.9 16.7   5.3 1535 SW | 236 0.08 0.17 0.117   0.006 424   2 60   10
Cartograph Wines Remote 9/2/26 70.8   3.3 1246 54.6   0.3 0217 - - - - - - - - - - - 50   10
Rice-Spivak Vineyard 9/2/26 73.5   1.0 1417 51.4   1.6 0150 - - - - - - - - - - - 60   10
Penngrove (Asellus) 9/2/26 74.8   0.3 1443 54.2   1.7 0105 55.6   2.6 95   1 43   6 3.3   0.0 15.6   1.4 1502 WNW | 303 0.01 0.01 - - 70   10
Petaluma (Ranch 10) 9/2/26 76.2   1.5 1502 51.7   0.0 0101 55.6   2.6 93   2 40   2 2.0   1.2 14.6   0.0 1650 WSW | 255 0.03 0.03 0.115   0.013 364   21 70   20
Max   80.3 - 56.7 - 58.2 100 63 7.0 24.7 - - 0.09 0.17 0.141 437 -
Avg   - - - - 55.3 - - 3.2 - - - - - - - -
Min   70.8 - 51.0 - 53.7 92 0 1.6 10.4 - - 0.00 0.00 0.010 1 -