Sonoma County-South Daily Obs

19 Stations

Daily Data
as of 9/29/26 4:16 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 9/28/26 78.2   3.1 1449 45.6   0.6 0241 46.6   2.1 96   1 34   6 1.8   0.2 11.8   1.1 1455 SE | 139 0.00 0.02 0.107   0.011 345   23 50   10
Lower Bennett Valley 9/28/26 79.4   2.9 1414 43.3   0.0 0032 47.9   2.5 100   0 32   8 2.4   1.3 12.7   1.4 1451 SSW | 206 0.00 0.39 0.134   0.009 445   21 30   10
Kenwood (Wildwood) 9/28/26 80.4   3.0 1431 41.1   4.9 0307 46.7   2.2 100   4 30   6 2.5   0.3 13.2   1.8 1435 NNW | 335 0.00 0.21 0.133   0.016 437   56 60   20
Sonoma Valley (Bedrock) 9/28/26 81.7   7.5 1527 40.0   3.2 0502 44.3   3.0 96   2 22   15 - - - - 0.00 0.29 - - 90   20
Sonoma-West (Arnold) 9/28/26 83.5   7.0 1442 40.8   4.4 0318 45.4   2.8 95   4 27   9 2.4   0.5 17.4   1.9 1547 SW | 218 0.00 0.35 0.160   0.010 491   5 100   10
Sonoma Valley HS 9/28/26 82.4   7.8 1456 44.0   3.3 0552 49.9   2.3 100   2 34   8 1.6   0.4 8.1   5.6 1827 SSW | 210 0.00 0.01 0.130   0.012 438   17 30   10
Sonoma East (Bundschu01) 9/28/26 84.2   8.2 1504 41.1   3.3 0349 46.5   3.2 95   3 26   10 2.5   0.4 17.1   1.1 1655 WSW | 250 0.00 0.23 0.143   0.015 443   5 70   20
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) 9/28/26 83.8   6.6 1450 41.3   4.2 0358 46.8   3.0 94   4 25   9 1.9   0.3 17.5   1.7 1334 SW | 221 0.00 0.18 - - 70   20
Ricci Vineyards (Carneros) 9/28/26 82.0   8.0 1519 42.9   7.9 0344 47.8   2.7 96   4 27   14 3.2   0.7 18.1   0.4 1708 WNW | 288 0.00 0.12 0.150   0.012 460   8 50   10
Carneros (Ranch 71) 9/28/26 80.4   8.0 1512 47.4   2.9 0539 49.5   1.2 96   3 27   14 3.8   0.1 21.4   3.7 1648 WSW | 252 0.00 0.07 0.142   0.016 422   14 20   10
Carneros Upper (Ranch 81) 9/28/26 80.9   8.8 1543 49.3   1.8 0509 47.2   3.4 - - 4.8   2.2 23.3   2.5 1637 W | 263 - - - - 20   10
Carneros Lower (Ranch 81) 9/28/26 83.9   11.3 1602 43.8   6.8 0350 40.9   10.3 100   8 0   45 0.9   0.4 14.4   0.1 1457 SSE | 160 0.00 0.01 0.018   0.002 5   6 50   20
Rohnert Park-West (Stony Point) 9/28/26 74.8   2.5 1306 40.7   0.1 0112 49.1   1.8 99   3 45   4 1.2   0.7 13.6   5.0 1525 WSW | 237 0.00 0.21 - - 20   10
Cartograph Wines Base 9/28/26 72.7   1.8 1302 47.0   0.2 0251 51.0   0.9 99   2 52   0 3.0   0.7 21.6   1.2 1640 SSW | 202 0.00 0.32 0.116   0.006 430   22 30   10
Cartograph Wines Remote 9/28/26 74.3   2.3 1238 44.5   1.1 0101 - - - - - - - - - - - 50   10
Rice-Spivak Vineyard 9/28/26 75.6   2.6 1253 37.9   1.7 0101 - - - - - - - - - - - 50   10
Penngrove (Asellus) 9/28/26 78.9   1.5 1336 43.5   2.5 0147 47.9   1.9 98   4 34   2 2.0   0.3 11.7   2.6 1441 W | 280 0.00 0.57 - - 0   0
Petaluma (Ranch 10) 9/28/26 80.3   1.5 1418 45.2   2.7 0303 48.5   1.9 95   3 32   5 1.6   0.2 11.8   2.3 1559 NW | 317 0.00 0.09 0.123   0.005 408   8 60   10
Max   84.2 - 49.3 - 51.0 100 52 4.8 23.3 - - 0.00 0.57 0.160 491 -
Avg   - - - - 47.3 - - 2.4 - - - - - - - -
Min   72.7 - 37.9 - 40.9 94 0 0.9 8.1 - - 0.00 0.01 0.018 5 -