Sonoma County-South Daily Obs

19 Stations

Daily Data
as of 9/22/26 9:23 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 9/21/26 73.6   1.6 1536 50.9   0.9 0053 52.3   0.3 98   0 51   1 1.5   0.2 9.6   2.5 1523 SSE | 166 0.00 0.02 0.080   0.012 279   58 90   10
Lower Bennett Valley 9/21/26 75.6   1.4 1504 52.8   0.5 0759 54.0   0.4 100   0 49   2 3.0   0.2 14.1   3.0 1626 WNW | 283 0.00 0.39 0.102   0.011 357   64 70   10
Kenwood (Wildwood) 9/21/26 78.5   4.8 1547 53.6   2.8 0723 53.0   0.1 96   4 43   8 2.4   0.5 12.4   0.6 1639 NNW | 334 0.00 0.21 0.104   0.012 351   24 40   10
Sonoma Valley (Bedrock) 9/21/26 74.2   4.6 1507 51.6   4.8 0113 51.9   1.2 94   2 47   7 - - - - 0.00 0.29 - - 70   10
Sonoma-West (Arnold) 9/21/26 74.0   4.9 1451 53.0   5.0 0118 52.7   1.4 91   0 50   7 3.0   0.9 11.4   0.6 1721 WNW | 291 0.00 0.35 0.118   0.032 400   101 60   10
Sonoma Valley HS 9/21/26 72.2   3.8 1438 53.1   2.7 0205 55.0   0.3 99   1 59   7 2.2   0.4 8.0   0.7 2356 W | 279 0.00 0.01 0.097   0.020 348   75 70   10
Sonoma East (Bundschu01) 9/21/26 71.7   2.6 1503 51.2   1.8 0218 52.8   0.1 93   2 54   4 3.0   0.1 18.8   5.7 1728 SE | 136 0.00 0.23 0.104   0.019 359   75 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) 9/21/26 72.4   2.0 1440 52.5   2.4 0135 53.0   0.1 92   1 53   2 2.6   0.8 12.1   2.0 1640 SSE | 154 0.00 0.18 - - 80   10
Ricci Vineyards (Carneros) 9/21/26 70.2   2.6 1429 53.4   4.7 0140 52.9   0.2 93   2 55   5 4.3   1.5 15.2   3.3 1640 SSE | 151 0.00 0.12 0.108   0.026 369   92 90   10
Carneros (Ranch 71) 9/21/26 68.4   2.3 1443 53.7   1.3 0711 53.1   0.3 94   0 60   5 4.4   2.2 15.0   5.1 0008 NW | 305 0.00 0.07 0.095   0.022 341   80 60   10
Carneros Upper (Ranch 81) 9/21/26 70.4   2.6 1447 53.7   1.1 0719 53.0   14.0 - - 6.8   2.6 20.0   2.8 1720 SSW | 196 - - - - 60   10
Carneros Lower (Ranch 81) 9/21/26 70.4   2.6 1424 54.0   3.0 2316 53.6   0.3 92   2 59   4 1.4   0.0 15.9   3.3 1335 SSE | 151 0.00 0.01 0.016   0.003 11   4 60   10
Rohnert Park-West (Stony Point) 9/21/26 71.7   1.3 1351 54.4   0.6 0628 54.8   0.4 98   1 61   5 2.3   0.7 18.7   3.7 1521 WSW | 244 0.01 0.21 - - 30   10
Cartograph Wines Base 9/21/26 71.2   0.3 1336 53.5   0.6 0808 54.5   0.1 98   0 65   2 3.8   0.4 19.6   4.2 1536 SW | 224 0.00 0.30 0.094   0.011 356   66 0   0
Cartograph Wines Remote 9/21/26 70.0   2.6 1334 54.4   0.7 0551 - - - - - - - - - - - 30   10
Rice-Spivak Vineyard 9/21/26 74.6   0.3 1330 54.1   0.8 0806 - - - - - - - - - - - 30   10
Penngrove (Asellus) 9/21/26 76.3   2.2 1444 54.4   0.9 0640 53.0   0.3 94   1 45   2 2.4   0.1 14.4   1.1 1545 W | 267 0.00 0.57 - - 0   10
Petaluma (Ranch 10) 9/21/26 79.3   4.7 1516 55.1   1.3 0601 53.1   0.0 91   0 42   7 2.4   1.2 12.1   5.0 1629 NW | 309 0.00 0.09 0.109   0.026 363   84 70   10
Max   79.3 - 55.1 - 55.0 100 65 6.8 20.0 - - 0.01 0.57 0.118 400 -
Avg   - - - - 53.3 - - 3.0 - - - - - - - -
Min   68.4 - 50.9 - 51.9 91 42 1.4 8.0 - - 0.00 0.01 0.016 11 -