Sonoma County-South Daily Obs

19 Stations

Daily Data
as of 8/25/26 10:12 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 8/24/26 82.2   10.2 1548 50.5   4.7 0314 53.5   4.5 98   20 39   15 1.7   0.3 10.0   0.1 1435 SSE | 154 0.00 0.01 0.138   0.021 432   12 90   10
Lower Bennett Valley 8/24/26 84.6   9.0 1424 46.0   4.2 0242 54.0   4.7 100   0 39   15 3.3   0.8 11.8   1.4 1513 SW | 234 0.00 0.00 0.175   0.036 542   50 100   10
Kenwood (Wildwood) 8/24/26 88.9   7.0 1505 54.3   7.7 0317 54.0   4.6 96   0 33   16 3.4   0.9 12.1   2.6 1902 NNW | 339 0.00 0.00 0.189   0.019 582   1 10   10
Sonoma Valley (Bedrock) 8/24/26 85.3   9.3 1449 50.9   4.9 0547 52.2   4.3 93   0 34   20 - - - - 0.00 0.00 - - 100   20
Sonoma-West (Arnold) 8/24/26 88.1   8.3 1632 49.1   3.6 0652 52.2   2.8 90   0 33   16 2.7   0.6 12.9   0.1 1445 E | 96 0.00 0.00 0.221   0.012 668   3 0   0
Sonoma Valley HS 8/24/26 84.5   9.8 1659 52.1   3.4 0556 56.4   1.6 100   0 44   22 2.4   0.6 10.1   1.0 1944 SW | 230 0.00 0.00 0.182   0.016 590   5 100   20
Sonoma East (Bundschu01) 8/24/26 82.3   11.0 1724 48.8   2.2 0646 53.1   2.0 94   1 41   21 3.0   0.3 14.7   1.1 1701 ESE | 110 0.00 0.00 0.194   0.023 607   13 100   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) 8/24/26 83.6   10.9 1726 49.3   2.4 0656 53.5   1.8 94   1 38   19 2.8   0.4 12.8   1.3 1833 SW | 231 0.00 0.00 - - 100   20
Ricci Vineyards (Carneros) 8/24/26 81.5   11.7 1736 51.7   4.7 0245 54.6   1.9 94   1 40   18 5.6   2.4 20.6   8.2 1906 W | 277 0.00 0.01 0.196   0.011 600   9 90   10
Carneros (Ranch 71) 8/24/26 78.9   12.2 1746 53.7   1.8 0659 54.8   0.4 94   3 44   19 4.4   1.8 16.2   6.2 1847 WSW | 245 0.00 0.00 0.185   0.003 607   15 100   10
Carneros Upper (Ranch 81) 8/24/26 81.4   10.8 1621 54.3   2.3 0712 54.4   0.7 - - 7.6   4.3 21.7   7.0 2105 WSW | 252 - - - - 100   10
Carneros Lower (Ranch 81) 8/24/26 80.2   9.6 1556 53.1   3.8 0629 55.6   3.0 100   0 46   46 1.8   0.0 14.9   4.0 1152 SSE | 158 0.00 0.00 0.049   0.079 80   241 100   10
Rohnert Park-West (Stony Point) 8/24/26 77.0   12.6 1244 52.1   10.7 0058 57.1   4.6 96   1 55   23 2.5   0.6 16.8   1.2 1617 SW | 228 0.00 0.00 - - 20   10
Cartograph Wines Base 8/24/26 75.2   11.3 1304 56.5   6.2 0713 57.3   2.4 97   1 61   24 4.7   1.2 23.1   2.6 1521 SW | 219 0.00 0.08 0.151   0.049 538   70 30   10
Cartograph Wines Remote 8/24/26 77.7   12.0 1229 55.9   9.5 0037 - - - - - - - - - - - 20   10
Rice-Spivak Vineyard 8/24/26 77.0   12.1 1305 56.8   17.4 0047 - - - - - - - - - - - 0   10
Penngrove (Asellus) 8/24/26 83.5   11.2 1338 53.6   9.7 0135 55.2   5.3 94   4 38   22 3.3   1.3 13.5   0.7 1341 W | 277 0.00 0.00 - - 80   10
Petaluma (Ranch 10) 8/24/26 85.9   11.2 1427 56.5   11.8 0146 55.4   5.0 93   3 30   14 3.3   1.6 12.9   0.7 2147 WSW | 248 0.00 0.00 0.175   0.019 554   21 70   10
Max   88.9 - 56.8 - 57.3 100 61 7.6 23.1 - - 0.00 0.08 0.221 668 -
Avg   - - - - 54.6 - - 3.5 - - - - - - - -
Min   75.2 - 46.0 - 52.2 90 30 1.7 10.0 - - 0.00 0.00 0.049 80 -