Sonoma County-South Daily Obs

19 Stations

Daily Data
as of 9/8/26 1:30 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 9/7/26 87.1   9.2 1546 50.5   3.5 0629 48.2   0.3 88   9 23   8 2.0   0.1 9.4   0.7 1431 SW | 236 0.00 0.02 0.140   0.011 410   2 90   20
Lower Bennett Valley 9/7/26 88.1   10.0 1523 41.9   2.0 0637 48.7   0.6 100   0 23   10 2.5   0.6 15.4   0.5 1424 SSW | 199 0.00 0.39 0.185   0.020 538   16 80   10
Kenwood (Wildwood) 9/7/26 89.3   9.8 1524 43.9   0.7 0612 47.8   0.6 100   0 20   10 2.6   0.3 14.8   0.3 1657 NNW | 340 0.00 0.21 0.187   0.018 537   2 30   10
Sonoma Valley (Bedrock) 9/7/26 88.4   8.2 1642 44.0   3.0 0643 46.4   0.6 96   0 17   2 - - - - 0.00 0.29 - - 90   10
Sonoma-West (Arnold) 9/7/26 91.3   11.0 1618 46.5   5.2 0640 47.1   0.3 95   2 16   12 2.2   0.9 12.1   6.8 1812 W | 274 0.00 0.35 0.216   0.011 636   4 50   10
Sonoma Valley HS 9/7/26 89.9   10.8 1644 47.9   3.5 0633 51.9   0.8 100   0 23   12 1.5   0.5 11.2   0.8 1436 SSW | 202 0.00 0.01 0.181   0.011 564   6 80   10
Sonoma East (Bundschu01) 9/7/26 89.6   9.5 1601 44.9   3.7 0654 47.6   0.2 95   1 17   11 2.4   0.5 13.6   5.0 1654 S | 171 0.00 0.23 0.199   0.016 580   1 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) 9/7/26 93.8   12.3 1551 44.8   3.2 0700 47.1   0.4 94   1 16   11 1.9   0.7 14.8   0.0 1317 S | 183 0.00 0.18 - - 90   10
Ricci Vineyards (Carneros) 9/7/26 90.9   10.9 1624 45.5   2.4 0628 47.2   0.9 96   1 14   9 3.1   0.3 15.7   1.7 1900 WNW | 289 0.00 0.12 0.208   0.019 587   2 100   0
Carneros (Ranch 71) 9/7/26 88.5   10.6 1638 54.2   3.0 0658 49.4   0.4 95   2 15   14 2.8   1.4 15.8   2.4 1737 W | 268 0.00 0.07 0.194   0.007 572   4 50   10
Carneros Upper (Ranch 81) 9/7/26 91.4   13.4 1542 54.2   2.4 0729 37.1   12.7 - - 4.0   1.9 20.4   2.6 1845 W | 269 - - - - 50   10
Carneros Lower (Ranch 81) 9/7/26 91.5   7.4 1454 49.3   5.7 0310 41.2   4.7 100   0 0   0 1.3   0.4 11.8   5.6 1706 SSE | 153 0.00 0.01 0.030   0.012 0   0 80   10
Rohnert Park-West (Stony Point) 9/7/26 87.0   10.6 1354 40.4   2.1 0701 48.7   1.7 98   1 26   17 1.6   0.4 15.9   0.2 1710 WSW | 252 0.00 0.19 - - 80   10
Cartograph Wines Base 9/7/26 86.7   12.0 1318 50.4   3.7 0523 52.1   0.5 98   0 29   20 2.8   0.5 21.0   1.5 1516 SW | 231 0.00 0.30 0.186   0.037 560   50 40   20
Cartograph Wines Remote 9/7/26 86.7   13.3 1249 45.1   0.0 0652 - - - - - - - - - - - 60   20
Rice-Spivak Vineyard 9/7/26 88.6   11.7 1322 38.7   0.1 0643 - - - - - - - - - - - 70   10
Penngrove (Asellus) 9/7/26 88.9   12.4 1506 43.8   0.0 0710 47.7   1.2 97   0 20   15 1.7   0.6 13.1   2.0 1538 W | 265 0.02 0.36 - - 50   10
Petaluma (Ranch 10) 9/7/26 91.1   13.3 1522 43.7   2.1 0642 47.1   0.6 98   1 17   16 1.3   0.9 11.5   1.1 1646 W | 271 0.00 0.09 0.175   0.012 534   5 90   10
Max   93.8 - 54.2 - 52.1 100 29 4.0 21.0 - - 0.02 0.39 0.216 636 -
Avg   - - - - 47.2 - - 2.2 - - - - - - - -
Min   86.7 - 38.7 - 37.1 88 0 1.3 9.4 - - 0.00 0.01 0.030 0 -