Sonoma County-South Daily Obs

19 Stations

Daily Data
as of 8/29/26 3:59 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 8/28/26 72.4   18.7 1831 54.1   6.9 0011 47.4   2.3 90   17 22   3 1.6   0.6 7.5   3.2 0101 NW | 324 0.00 0.01 0.061   0.091 171   220 80   10
Lower Bennett Valley 8/28/26 74.2   18.7 1817 44.2   5.6 0039 52.0   0.0 96   1 48   23 2.3   0.9 13.6   1.3 1226 SSE | 154 0.00 0.00 0.076   0.123 230   289 70   10
Kenwood (Wildwood) 8/28/26 75.6   20.6 1824 52.2   0.6 2318 51.9   2.6 91   1 39   22 2.2   0.7 8.7   6.6 1330 NNW | 335 0.00 0.00 0.079   0.132 230   328 0   0
Sonoma Valley (Bedrock) 8/28/26 74.6   21.1 1530 50.2   2.2 0037 50.6   1.9 91   2 46   34 - - - - 0.00 0.00 - - 60   10
Sonoma-West (Arnold) 8/28/26 75.1   19.4 1818 47.3   3.9 0101 50.9   1.3 88   1 45   24 2.1   1.3 15.9   4.8 1406 SW | 235 0.00 0.00 0.089   0.136 246   304 0   0
Sonoma Valley HS 8/28/26 73.3   19.7 1837 52.0   2.8 0051 55.0   0.3 96   2 55   27 1.6   0.5 8.2   3.4 1711 WSW | 254 0.00 0.00 0.073   0.115 220   300 60   10
Sonoma East (Bundschu01) 8/28/26 73.4   18.7 1841 49.6   3.1 0059 52.6   0.9 91   0 48   26 2.1   1.1 14.0   4.2 1410 WNW | 283 0.00 0.00 0.075   0.126 212   304 60   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) 8/28/26 78.2   14.1 1854 51.4   1.0 0056 52.5   0.5 88   2 40   19 1.9   0.5 10.8   4.7 1408 SW | 222 0.00 0.00 - - 60   10
Ricci Vineyards (Carneros) 8/28/26 75.4   15.1 1844 53.0   0.5 2355 52.7   0.2 90   2 43   18 2.7   0.9 13.5   2.2 1425 WNW | 289 0.00 0.01 0.081   0.119 224   290 70   10
Carneros (Ranch 71) 8/28/26 72.8   16.2 1819 55.3   5.0 0052 52.8   0.6 86   6 47   23 2.7   0.6 14.9   3.8 1146 W | 267 0.00 0.00 0.076   0.120 209   319 60   10
Carneros Upper (Ranch 81) 8/28/26 74.2   15.0 1824 56.6   2.7 0059 53.0   1.4 - - 4.1   1.9 19.4   0.0 1413 SW | 230 - - - - 60   10
Carneros Lower (Ranch 81) 8/28/26 77.4   11.8 1618 50.8   4.0 0059 53.7   0.7 90   10 45   44 0.6   1.4 9.6   4.3 1849 S | 170 0.00 0.00 0.007   0.029 0   0 60   10
Rohnert Park-West (Stony Point) 8/28/26 71.1   14.7 1811 48.1   0.8 2247 53.9   0.7 95   2 59   20 1.1   0.6 11.0   2.6 1139 SW | 221 0.00 0.00 - - 70   10
Cartograph Wines Base 8/28/26 70.6   11.5 1753 52.6   2.1 2336 54.4   1.9 97   2 64   18 3.0   1.5 13.2   10.2 1217 SSW | 200 0.00 0.08 0.057   0.125 210   353 80   10
Cartograph Wines Remote 8/28/26 72.3   12.5 1811 51.4   1.2 2223 - - - - - - - - - - - 70   10
Rice-Spivak Vineyard 8/28/26 73.6   11.7 1756 48.4   0.8 2231 - - - - - - - - - - - 50   10
Penngrove (Asellus) 8/28/26 70.4   17.7 1830 47.8   3.6 0050 52.2   0.1 96   0 54   26 1.9   0.6 9.2   3.3 1153 WNW | 289 0.00 0.00 - - 70   10
Petaluma (Ranch 10) 8/28/26 71.1   19.4 1811 48.0   3.3 0101 52.7   0.5 92   3 53   27 1.6   0.7 10.3   2.2 1220 NW | 306 0.00 0.00 0.070   0.125 221   328 60   10
Max   78.2 - 56.6 - 55.0 97 64 4.1 19.4 - - 0.00 0.08 0.089 246 -
Avg   - - - - 52.4 - - 2.1 - - - - - - - -
Min   70.4 - 44.2 - 47.4 86 22 0.6 7.5 - - 0.00 0.00 0.007 0 -