Sonoma County-South Daily Obs

19 Stations

Daily Data
as of 5/29/26 8:55 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 5/28/26 69.6   0.5 1620 49.4   6.1 0409 47.7   3.4 97   2 42   6 2.0   0.2 13.0   1.8 1057 SSE | 151 0.16 6.06 0.123   0.020 420   62 40   10
Lower Bennett Valley 5/28/26 70.3   0.8 1544 51.3   12.2 0420 50.4   4.2 100   0 43   5 3.3   0.2 16.0   1.3 1048 ENE | 69 0.37 27.99 0.146   0.042 511   155 20   10
Kenwood (Wildwood) 5/28/26 71.6   0.4 1639 51.6   9.2 0543 50.0   3.6 100   3 40   2 2.6   0.4 14.5   1.2 1021 SSE | 158 0.33 32.84 0.156   0.027 544   95 0   10
Sonoma Valley (Bedrock) 5/28/26 70.5   1.7 1735 51.1   8.5 0522 48.2   2.3 96   3 38   2 - - - - 0.31 28.95 - - 0   10
Sonoma-West (Arnold) 5/28/26 72.9   1.7 1535 52.9   12.0 0533 50.0   3.3 96   0 38   4 3.3   0.6 16.2   2.2 1903 WSW | 252 0.35 18.28 0.185   0.022 640   74 30   10
Sonoma Valley HS 5/28/26 71.7   1.2 1554 52.8   8.7 0337 51.7   2.4 100   0 46   3 3.2   1.0 12.4   1.1 1630 E | 92 0.26 6.91 0.167   0.012 590   36 0   10
Sonoma East (Bundschu01) 5/28/26 71.7   2.0 1543 53.2   10.6 0419 49.4   3.5 91   4 39   3 4.8   1.6 20.4   5.3 1157 SE | 129 0.01 21.65 0.169   0.000 555   4 30   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) 5/28/26 74.8   0.4 1513 52.7   10.3 0437 49.7   3.3 92   3 36   1 2.7   0.4 15.5   3.4 1146 ENE | 75 0.18 18.67 - - 0   10
Ricci Vineyards (Carneros) 5/28/26 73.4   0.4 1619 52.9   9.7 0429 49.7   3.0 93   1 37   1 4.7   0.7 17.8   2.2 1200 ENE | 71 0.20 23.15 0.183   0.003 614   4 40   10
Carneros (Ranch 71) 5/28/26 68.8   2.5 1720 52.1   5.2 0420 48.9   1.9 95   1 44   4 5.4   2.3 22.5   6.5 1200 E | 79 0.12 19.98 0.156   0.021 548   53 30   10
Carneros Upper (Ranch 81) 5/28/26 72.6   0.9 1723 52.2   4.4 0326 37.7   9.2 - - 6.3   1.0 20.8   4.3 1227 ENE | 71 - - - - 30   10
Carneros Lower (Ranch 81) 5/28/26 72.1   1.9 1726 53.0   9.2 0458 44.0   3.7 100   0 0   0 1.8   0.0 13.7   1.0 1204 SSE | 163 0.04 19.46 0.142   0.009 474   45 30   10
Rohnert Park-West (Stony Point) 5/28/26 71.8   1.8 1633 52.3   12.2 0408 51.8   3.5 98   1 49   2 3.6   0.3 20.5   1.2 0955 ENE | 71 0.46 12.30 - - 20   10
Cartograph Wines Base 5/28/26 71.5   3.3 1624 51.6   4.7 0443 51.8   2.2 98   3 50   6 4.1   0.6 20.2   2.3 1647 SSW | 192 0.49 28.85 0.165   0.005 608   69 0   0
Cartograph Wines Remote 5/28/26 71.8   0.5 1628 52.2   8.9 0447 - - - - - - - - - - - 0   10
Rice-Spivak Vineyard 5/28/26 75.5   3.6 1626 51.4   17.0 2203 - - - - - - - - - - - 20   10
Penngrove (Asellus) 5/28/26 71.7   3.7 1629 52.2   10.5 0402 49.5   3.2 96   1 40   6 4.3   1.4 18.4   1.0 1148 ESE | 109 0.49 68.30 - - 30   10
Petaluma (Ranch 10) 5/28/26 75.2   1.3 1500 52.2   9.8 0455 51.5   5.1 100   0 39   3 1.9   0.0 12.4   1.0 1806 W | 266 0.33 19.96 0.179   0.018 630   85 0   0
Max   75.5 - 53.2 - 51.8 100 50 6.3 22.5 - - 0.49 68.30 0.185 640 -
Avg   - - - - 48.9 - - 3.6 - - - - - - - -
Min   68.8 - 49.4 - 37.7 91 0 1.8 12.4 - - 0.01 6.06 0.123 420 -