Sonoma County-South Daily Obs

19 Stations

Daily Data
as of 10/1/26 9:55 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 9/30/26 91.6   4.4 1606 58.2   1.3 0026 43.9   2.3 56   3 20   9 1.9   0.1 8.9   4.1 1504 S | 176 0.00 0.02 0.127   0.006 350   8 50   10
Lower Bennett Valley 9/30/26 93.0   2.4 1447 44.3   2.4 0050 46.9   2.0 93   7 22   10 1.8   0.1 10.4   2.9 1533 SSW | 202 0.00 0.39 0.159   0.006 451   1 10   10
Kenwood (Wildwood) 9/30/26 95.0   1.0 1530 46.8   0.7 0706 48.4   3.5 92   3 20   8 2.6   0.2 13.9   1.0 1433 SE | 131 0.00 0.21 0.155   0.005 430   3 40   10
Sonoma Valley (Bedrock) 9/30/26 93.0   2.9 1536 46.2   3.9 0730 46.3   3.0 90   6 20   8 - - - - 0.00 0.29 - - 70   10
Sonoma-West (Arnold) 9/30/26 95.3   1.0 1534 45.8   3.0 0654 46.7   2.2 88   4 20   6 2.0   0.3 13.7   3.5 1558 SSW | 208 0.00 0.35 0.188   0.007 524   1 80   10
Sonoma Valley HS 9/30/26 94.4   0.7 1540 49.2   4.0 0654 52.1   1.1 99   1 24   6 1.6   0.0 6.3   5.1 1923 SSW | 195 0.00 0.01 0.155   0.002 464   3 10   10
Sonoma East (Bundschu01) 9/30/26 93.7   0.2 1521 46.7   4.9 0656 47.8   2.3 93   2 20   6 2.3   0.0 11.0   4.6 1557 SSE | 165 0.00 0.23 0.170   0.004 486   1 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) 9/30/26 94.6   0.4 1544 47.0   3.8 0659 48.1   2.1 93   1 19   5 1.3   0.2 9.1   6.7 1607 SSE | 148 0.00 0.18 - - 50   10
Ricci Vineyards (Carneros) 9/30/26 93.0   0.5 1537 47.5   4.5 0628 48.9   0.4 95   1 19   4 2.6   0.6 12.1   5.6 1903 NW | 310 0.00 0.12 0.173   0.011 495   0 30   10
Carneros (Ranch 71) 9/30/26 91.2   0.5 1548 56.9   4.6 0603 51.1   0.6 90   1 21   6 2.7   0.6 12.7   9.3 1753 WSW | 249 0.00 0.07 0.164   0.014 476   0 0   10
Carneros Upper (Ranch 81) 9/30/26 92.2   0.4 1521 55.4   2.7 0101 51.7   0.5 - - 4.3   0.7 16.8   7.7 1823 SW | 233 - - - - 0   10
Carneros Lower (Ranch 81) 9/30/26 92.6   3.5 1448 50.1   4.8 0607 44.6   3.1 100   0 0   0 1.3   0.1 10.4   2.5 1613 S | 173 0.00 0.01 0.031   0.005 0   3 30   10
Rohnert Park-West (Stony Point) 9/30/26 87.8   3.9 1259 42.0   2.7 0708 50.4   3.0 97   2 31   9 1.5   0.2 13.7   3.7 1506 WNW | 283 0.00 0.21 - - 0   10
Cartograph Wines Base 9/30/26 85.5   3.2 1239 50.7   1.9 0056 52.9   1.0 97   1 36   7 3.2   0.2 19.7   0.7 1739 SSW | 199 0.00 0.32 0.154   0.012 465   1 40   20
Cartograph Wines Remote 9/30/26 87.3   1.7 1233 47.7   3.2 0715 - - - - - - - - - - - 60   20
Rice-Spivak Vineyard 9/30/26 87.9   3.6 1211 41.5   3.3 0706 - - - - - - - - - - - 30   10
Penngrove (Asellus) 9/30/26 94.1   1.5 1359 44.3   2.3 0651 48.2   2.9 96   2 20   3 1.8   0.1 11.2   3.3 1424 WNW | 302 0.00 0.59 - - 0   0
Petaluma (Ranch 10) 9/30/26 94.9   1.2 1432 45.6   3.5 0640 48.8   3.5 95   3 20   3 1.8   0.2 10.1   4.6 1659 NNW | 344 0.00 0.09 0.143   0.008 418   1 40   10
Max   95.3 - 58.2 - 52.9 100 36 4.3 19.7 - - 0.00 0.59 0.188 524 -
Avg   - - - - 48.5 - - 2.2 - - - - - - - -
Min   85.5 - 41.5 - 43.9 56 0 1.3 6.3 - - 0.00 0.01 0.031 0 -