Sonoma County-South Daily Obs

19 Stations

Daily Data
as of 9/30/26 9:10 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 9/29/26 96.0   17.8 1549 56.9   11.2 0326 41.6   5.0 59   38 11   23 2.0   0.2 13.0   1.1 1338 S | 184 0.00 0.02 0.133   0.026 343   2 60   10
Lower Bennett Valley 9/29/26 95.4   16.0 1424 41.9   1.4 0252 44.8   3.0 100   0 12   19 1.9   0.5 13.4   0.7 1332 NNW | 336 0.00 0.39 0.165   0.031 452   7 20   10
Kenwood (Wildwood) 9/29/26 96.0   15.6 1437 46.0   4.9 0209 44.9   1.8 95   5 13   17 2.4   0.1 14.9   1.7 1548 NNW | 340 0.00 0.21 0.160   0.027 433   4 50   10
Sonoma Valley (Bedrock) 9/29/26 95.9   14.2 1522 42.3   2.3 0640 43.4   0.9 96   0 12   10 - - - - 0.00 0.29 - - 80   10
Sonoma-West (Arnold) 9/29/26 96.3   12.8 1422 42.8   2.0 0524 44.6   0.8 93   2 13   14 2.4   0.0 17.2   0.2 1518 WSW | 250 0.00 0.35 0.195   0.035 524   33 90   10
Sonoma Valley HS 9/29/26 95.1   12.7 1625 45.1   1.1 0702 51.0   1.1 100   0 19   15 1.5   0.1 11.4   3.3 1521 WNW | 301 0.00 0.01 0.157   0.027 467   29 20   10
Sonoma East (Bundschu01) 9/29/26 93.9   9.7 1518 41.8   0.7 0654 45.6   0.9 95   0 14   12 2.3   0.1 15.6   1.5 1523 SW | 228 0.00 0.23 0.174   0.031 484   41 60   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) 9/29/26 94.9   11.1 1521 43.2   1.9 0557 46.0   0.8 94   0 14   11 1.5   0.5 15.8   1.7 1604 WSW | 256 0.00 0.18 - - 60   10
Ricci Vineyards (Carneros) 9/29/26 93.5   11.5 1517 43.1   0.2 0556 48.5   0.7 96   0 15   12 3.3   0.1 17.7   0.4 1651 WNW | 283 0.00 0.12 0.184   0.034 495   35 40   10
Carneros (Ranch 71) 9/29/26 91.7   11.3 1526 52.3   4.9 0655 50.5   1.0 91   4 15   12 3.3   0.4 21.9   0.5 1623 WSW | 256 0.00 0.07 0.178   0.036 476   54 10   10
Carneros Upper (Ranch 81) 9/29/26 91.8   10.9 1538 52.8   3.5 0646 51.1   3.9 - - 3.6   1.2 24.5   1.2 1633 SW | 228 - - - - 10   10
Carneros Lower (Ranch 81) 9/29/26 96.1   12.2 1608 45.3   1.5 0704 47.8   6.9 100   0 0   0 1.2   0.3 12.9   1.5 1502 SSE | 165 0.00 0.01 0.026   0.008 3   2 40   10
Rohnert Park-West (Stony Point) 9/29/26 91.7   16.9 1330 39.2   1.4 0451 47.4   1.7 99   0 23   22 1.7   0.5 17.3   3.7 1439 W | 266 0.00 0.21 - - 10   10
Cartograph Wines Base 9/29/26 88.7   16.0 1237 48.8   1.9 0722 51.9   0.9 98   2 28   24 3.4   0.4 19.0   2.6 1449 SW | 223 0.00 0.32 0.166   0.050 463   33 20   10
Cartograph Wines Remote 9/29/26 89.0   14.7 1230 44.5   0.0 0708 - - - - - - - - - - - 40   10
Rice-Spivak Vineyard 9/29/26 91.5   16.0 1241 38.2   0.2 0620 - - - - - - - - - - - 40   10
Penngrove (Asellus) 9/29/26 92.6   13.7 1345 41.9   1.6 0655 45.3   2.6 98   0 17   17 1.9   0.1 14.5   2.8 1320 WNW | 285 0.02 0.59 - - 0   0
Petaluma (Ranch 10) 9/29/26 93.7   13.4 1324 42.0   3.1 0716 45.2   3.2 98   3 17   16 1.6   0.0 14.7   2.9 1456 WSW | 257 0.00 0.09 0.151   0.028 419   11 50   10
Max   96.3 - 56.9 - 51.9 100 28 3.6 24.5 - - 0.02 0.59 0.195 524 -
Avg   - - - - 46.9 - - 2.3 - - - - - - - -
Min   88.7 - 38.2 - 41.6 59 0 1.2 11.4 - - 0.00 0.01 0.026 3 -