Sonoma County-South Daily Obs

19 Stations

Daily Data
as of 5/28/26 12:32 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 5/26/26 69.1   10.9 1603 44.3   2.8 0639 42.6   4.9 94   4 34   35 2.3   0.2 14.0   0.6 1701 NNE | 17 0.00 5.89 0.133   0.082 445   274 60   10
Lower Bennett Valley 5/26/26 70.9   12.2 1553 47.8   1.5 0624 44.8   4.3 95   5 34   37 4.8   1.2 18.3   3.9 1037 NNW | 348 0.00 27.61 0.183   0.118 596   382 40   10
Kenwood (Wildwood) 5/26/26 71.8   12.7 1353 44.4   4.6 0059 44.6   4.1 93   6 33   37 4.0   0.1 19.6   5.0 1421 NNW | 334 0.00 31.95 0.180   0.107 603   348 20   10
Sonoma Valley (Bedrock) 5/26/26 71.0   6.9 1353 50.6   1.0 0631 43.6   2.9 85   6 30   24 - - - - 0.00 27.98 - - 20   10
Sonoma-West (Arnold) 5/26/26 71.0   7.1 1426 47.8   3.3 2341 46.0   1.9 88   1 34   22 5.1   0.6 22.9   4.5 1421 WSW | 253 0.00 17.88 0.221   0.109 756   394 50   10
Sonoma Valley HS 5/26/26 70.2   6.1 1418 50.3   0.9 0050 48.7   1.2 95   2 40   21 3.5   0.2 11.2   2.7 1725 NNW | 329 0.00 6.62 0.192   0.082 693   304 20   10
Sonoma East (Bundschu01) 5/26/26 70.8   5.3 1506 46.3   5.1 0045 45.8   1.9 90   4 33   17 5.2   1.3 23.7   2.9 1419 W | 260 0.00 21.64 0.199   0.071 666   267 50   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) 5/26/26 71.2   5.1 1335 46.1   5.0 0052 46.2   1.7 90   4 34   16 4.5   1.7 20.2   3.4 1419 WSW | 249 0.00 18.49 - - 20   10
Ricci Vineyards (Carneros) 5/26/26 70.9   4.9 1344 49.8   0.9 0059 46.5   1.7 88   2 33   17 7.6   0.1 24.3   6.0 1535 W | 259 0.00 22.95 0.213   0.091 719   346 60   10
Carneros (Ranch 71) 5/26/26 68.9   5.4 1440 49.3   0.5 0058 46.5   1.5 92   1 36   18 8.2   2.7 28.5   5.7 1549 WSW | 254 0.00 19.86 0.205   0.088 713   349 50   10
Carneros Upper (Ranch 81) 5/26/26 69.5   5.7 1402 49.5   0.3 0059 46.0   1.7 - - 10.2   2.7 32.4   5.8 1619 WSW | 249 - - - - 50   10
Carneros Lower (Ranch 81) 5/26/26 75.1   5.7 1500 48.7   2.3 0101 47.5   1.6 93   4 36   11 1.7   0.7 14.3   1.8 0810 NNW | 328 0.00 19.42 0.164   0.067 569   239 50   10
Rohnert Park-West (Stony Point) 5/26/26 68.9   9.6 1445 44.2   6.2 0049 48.5   1.8 94   3 43   30 5.1   0.4 21.8   3.6 1417 WSW | 253 0.00 11.83 - - 40   10
Cartograph Wines Base 5/26/26 66.6   8.7 1154 48.4   1.0 0004 48.8   1.5 96   1 46   31 6.8   0.8 24.8   4.4 1549 SW | 224 0.00 28.36 0.167   0.101 646   395 0   0
Cartograph Wines Remote 5/26/26 69.7   10.2 1154 45.8   4.4 0059 - - - - - - - - - - - 20   10
Rice-Spivak Vineyard 5/26/26 72.4   11.9 1145 36.6   13.2 0056 - - - - - - - - - - - 40   10
Penngrove (Asellus) 5/26/26 70.6   9.3 1326 42.7   7.4 0057 45.7   2.8 96   3 33   28 4.5   0.6 19.6   0.8 1007 NW | 325 0.00 67.81 - - 50   10
Petaluma (Ranch 10) 5/26/26 69.1   5.3 1514 47.4   3.6 0059 46.8   1.6 90   3 34   20 5.8   0.2 24.2   7.0 1551 W | 262 0.00 19.63 0.196   0.101 671   396 10   10
Max   75.1 - 50.6 - 48.8 96 46 10.2 32.4 - - 0.00 67.81 0.221 756 -
Avg   - - - - 46.2 - - 5.3 - - - - - - - -
Min   66.6 - 36.6 - 42.6 85 30 1.7 11.2 - - 0.00 5.89 0.133 445 -