Sonoma County-South Daily Obs

19 Stations

Daily Data
as of 8/1/26 5:35 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 7/31/26 90.6   3.2 1505 55.0   0.4 0559 48.3   1.4 74   6 20   1 2.0   0.2 9.4   0.2 1416 S | 181 0.00 0.01 0.178   0.004 506   12 70   10
Lower Bennett Valley 7/31/26 90.1   3.1 1424 41.3   2.5 0621 50.1   1.4 100   0 26   2 3.1   0.2 12.8   1.5 1705 SSW | 200 0.00 0.00 0.233   0.000 652   16 60   10
Kenwood (Wildwood) 7/31/26 95.2   3.4 1451 46.1   2.7 0613 51.0   2.0 96   4 19   6 2.1   0.4 12.7   2.6 1524 NNW | 342 0.00 0.00 0.228   0.007 657   21 50   10
Sonoma Valley (Bedrock) 7/31/26 93.7   0.6 1754 45.8   1.1 0639 50.4   2.0 93   3 22   11 - - - - 0.00 0.00 - - 20   10
Sonoma-West (Arnold) 7/31/26 94.8   4.5 1531 46.5   0.2 0417 50.4   1.2 92   0 22   2 2.9   0.3 15.0   3.6 1621 SW | 231 0.00 0.00 0.267   0.003 755   16 60   10
Sonoma Valley HS 7/31/26 92.6   5.2 1557 49.2   1.8 0610 55.5   1.5 100   0 30   5 2.3   0.0 10.0   0.9 1942 ESE | 110 0.00 0.00 0.228   0.003 685   13 60   10
Sonoma East (Bundschu01) 7/31/26 87.5   0.3 1522 46.6   1.9 0605 52.6   1.6 94   1 30   11 3.7   0.1 15.6   0.0 1829 SE | 146 0.00 0.00 0.237   0.006 682   9 80   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) 7/31/26 88.2   0.5 1522 46.4   1.7 0606 52.9   1.6 94   2 30   11 2.6   0.3 11.5   3.4 1830 ESE | 108 0.00 0.00 - - 90   10
Ricci Vineyards (Carneros) 7/31/26 86.6   0.2 1510 47.0   2.3 0627 53.0   1.0 95   1 31   7 3.8   0.4 14.9   0.7 1624 SSE | 153 0.00 0.01 0.229   0.008 664   4 100   0
Carneros (Ranch 71) 7/31/26 84.9   0.3 1546 54.5   0.6 0644 54.6   2.1 92   4 32   8 2.7   0.4 10.7   5.0 1628 SSW | 194 0.00 0.00 0.218   0.006 691   5 100   0
Carneros Upper (Ranch 81) 7/31/26 86.7   3.1 1455 55.1   0.1 0538 54.3   1.0 - - 4.0   0.5 15.9   2.9 1820 S | 191 - - - - 90   10
Carneros Lower (Ranch 81) 7/31/26 86.5   4.2 1436 50.1   0.2 0634 52.5   0.1 100   0 0   0 2.1   0.1 12.1   1.0 1629 SSE | 155 0.00 0.00 0.209   0.004 646   6 100   0
Rohnert Park-West (Stony Point) 7/31/26 85.1   2.7 1226 41.5   3.6 0628 51.4   0.5 96   0 35   1 1.9   0.1 16.0   2.6 1441 SSW | 209 0.00 0.00 - - 100   0
Cartograph Wines Base 7/31/26 82.7   2.8 1537 49.7   0.1 0608 53.7   0.2 96   0 38   2 3.4   0.1 19.5   1.3 1436 S | 178 0.00 0.02 0.217   0.009 672   9 100   0
Cartograph Wines Remote 7/31/26 85.4   2.9 1210 46.3   1.2 0605 - - - - - - - - - - - 100   0
Rice-Spivak Vineyard 7/31/26 86.6   3.3 1550 38.7   2.0 0606 - - - - - - - - - - - 100   0
Penngrove (Asellus) 7/31/26 90.3   5.1 1310 43.5   2.5 0629 49.6   0.2 97   0 23   0 2.1   0.4 12.2   1.7 1311 W | 269 0.00 0.00 - - 90   10
Petaluma (Ranch 10) 7/31/26 90.2   3.2 1423 44.7   2.4 0613 50.1   0.6 96   0 26   3 1.6   0.4 11.3   1.4 1548 N | 352 0.00 0.00 0.219   0.003 663   11 60   10
Max   95.2 - 55.1 - 55.5 100 38 4.0 19.5 - - 0.00 0.02 0.267 755 -
Avg   - - - - 51.9 - - 2.7 - - - - - - - -
Min   82.7 - 38.7 - 48.3 74 0 1.6 9.4 - - 0.00 0.00 0.178 506 -