Sonoma County-South Daily Obs

19 Stations

Daily Data
as of 8/17/26 3:39 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 8/16/26 84.7   7.3 1504 47.4   3.0 0632 53.0   0.7 98   0 36   11 1.5   0.0 10.5   0.5 1515 S | 182 0.00 0.01 0.140   0.025 437   58 60   10
Lower Bennett Valley 8/16/26 85.4   6.8 1447 52.2   2.1 0702 55.0   0.6 100   0 35   13 3.1   0.6 11.8   2.5 1458 SW | 220 0.00 0.00 0.182   0.035 567   84 80   20
Kenwood (Wildwood) 8/16/26 89.3   7.4 1538 53.1   0.8 0548 54.3   0.5 100   4 31   11 2.6   0.1 10.5   5.6 1555 NNW | 336 0.00 0.00 0.183   0.017 560   20 30   10
Sonoma Valley (Bedrock) 8/16/26 85.1   3.0 1529 52.1   0.6 0630 52.9   0.6 96   2 34   5 - - - - 0.00 0.00 - - 90   20
Sonoma-West (Arnold) 8/16/26 87.5   4.3 1735 54.4   4.9 0635 54.2   0.1 95   1 32   7 2.6   0.4 11.4   4.2 1628 ESE | 106 0.00 0.00 0.203   0.017 618   48 30   10
Sonoma Valley HS 8/16/26 84.7   2.9 1751 53.9   1.2 0635 56.6   0.3 100   1 42   6 2.3   0.0 10.8   3.6 1559 SSE | 150 0.00 0.00 0.170   0.015 552   44 60   20
Sonoma East (Bundschu01) 8/16/26 82.2   1.8 1523 54.2   1.0 0551 54.2   0.5 94   1 41   2 3.2   0.1 14.2   1.8 1611 SE | 142 0.00 0.00 0.179   0.019 552   42 100   0
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) 8/16/26 83.0   1.4 1508 54.3   1.2 0633 54.2   0.6 93   2 38   3 2.5   0.6 10.5   4.7 1643 SE | 136 0.00 0.00 - - 100   0
Ricci Vineyards (Carneros) 8/16/26 81.0   2.4 1740 54.7   0.5 0711 54.8   0.0 95   0 42   4 3.6   1.2 13.3   4.0 1616 SSE | 155 0.00 0.01 0.170   0.006 525   25 100   10
Carneros (Ranch 71) 8/16/26 79.1   1.9 1754 53.2   1.8 0644 54.9   0.0 100   4 46   2 2.7   2.2 10.6   10.6 1614 S | 188 0.00 0.00 0.157   0.005 534   51 90   20
Carneros Upper (Ranch 81) 8/16/26 80.4   2.9 1751 53.4   1.4 0621 18.3   27.0 - - 4.3   3.3 17.0   6.4 2051 WSW | 250 - - - - 90   20
Carneros Lower (Ranch 81) 8/16/26 79.8   1.2 1520 54.4   1.4 0628 55.7   0.0 94   2 48   1 1.7   0.5 12.1   1.1 1550 S | 176 0.00 0.00 0.154   0.011 505   42 100   0
Rohnert Park-West (Stony Point) 8/16/26 83.6   8.3 1405 54.9   1.2 0644 56.2   0.3 98   1 41   16 2.0   0.2 18.4   1.2 1441 SW | 236 0.00 0.00 - - 0   0
Cartograph Wines Base 8/16/26 81.3   6.6 1352 54.1   0.9 2207 56.2   0.2 99   1 50   10 3.4   0.0 22.9   3.9 1525 SSW | 213 0.01 0.07 0.151   0.017 534   47 0   0
Cartograph Wines Remote 8/16/26 81.1   7.0 1351 55.1   0.9 2206 - - - - - - - - - - - 20   10
Rice-Spivak Vineyard 8/16/26 84.7   8.6 1351 54.6   0.9 2207 - - - - - - - - - - - 0   0
Penngrove (Asellus) 8/16/26 85.6   6.5 1405 54.5   0.9 0627 54.2   0.6 96   0 28   17 2.5   0.4 14.2   0.3 1446 W | 275 0.00 0.00 - - 70   20
Petaluma (Ranch 10) 8/16/26 88.6   8.4 1450 55.8   0.6 0651 54.6   0.4 92   1 29   14 2.3   0.4 12.3   0.3 1841 WNW | 300 0.00 0.00 0.168   0.019 529   44 90   10
Max   89.3 - 55.8 - 56.6 100 50 4.3 22.9 - - 0.01 0.07 0.203 618 -
Avg   - - - - 52.5 - - 2.7 - - - - - - - -
Min   79.1 - 47.4 - 18.3 92 28 1.5 10.5 - - 0.00 0.00 0.140 437 -