Sonoma County-South Daily Obs

19 Stations

Daily Data
as of 9/17/26 10:33 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 9/16/26 71.6   12.2 1341 53.0   2.7 0209 51.2   2.0 95   1 47   15 2.2   0.2 11.5   0.5 1420 SSE | 168 0.00 0.02 0.102   0.026 349   45 100   0
Lower Bennett Valley 9/16/26 72.1   13.1 1258 52.8   11.4 0050 52.7   3.2 95   5 50   20 3.9   0.9 19.1   5.6 1445 S | 174 0.00 0.39 0.130   0.030 462   36 90   10
Kenwood (Wildwood) 9/16/26 74.1   10.1 1329 53.6   9.4 0058 51.6   1.8 89   11 45   10 3.3   0.7 21.0   8.9 1632 NNW | 338 0.00 0.21 0.130   0.027 442   46 60   10
Sonoma Valley (Bedrock) 9/16/26 72.4   7.3 1323 52.9   8.9 0101 50.1   2.0 90   4 45   9 - - - - 0.00 0.29 - - 90   10
Sonoma-West (Arnold) 9/16/26 73.1   6.5 1250 57.1   11.1 0101 51.7   2.8 82   7 46   8 4.6   1.7 21.0   8.5 1504 SW | 236 0.00 0.35 0.165   0.018 559   20 80   10
Sonoma Valley HS 9/16/26 71.6   7.1 1338 56.6   9.6 0101 54.0   1.6 90   6 55   9 3.1   1.0 7.7   4.6 0023 W | 260 0.00 0.01 0.139   0.014 502   17 90   10
Sonoma East (Bundschu01) 9/16/26 73.1   5.3 1315 55.3   10.2 0101 51.9   2.2 88   6 47   8 4.2   0.5 20.4   5.3 1436 SSW | 204 0.00 0.23 0.149   0.018 506   26 90   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) 9/16/26 73.5   5.4 1324 55.3   10.3 0105 51.9   2.0 87   6 45   7 4.2   1.4 16.5   3.4 1453 WSW | 243 0.00 0.18 - - 90   10
Ricci Vineyards (Carneros) 9/16/26 73.7   2.6 1317 53.7   7.1 0148 51.8   1.5 90   3 46   4 4.6   0.5 26.1   10.1 1320 SSW | 211 0.00 0.12 0.148   0.018 492   49 100   10
Carneros (Ranch 71) 9/16/26 71.0   3.7 1335 55.3   0.6 0103 51.8   1.3 89   4 49   5 6.4   2.3 21.4   7.7 1705 W | 261 0.00 0.07 0.150   0.001 514   12 80   10
Carneros Upper (Ranch 81) 9/16/26 72.1   4.6 1354 54.8   0.4 0150 51.7   1.2 - - 9.4   3.4 30.7   12.8 1924 SW | 234 - - - - 80   10
Carneros Lower (Ranch 81) 9/16/26 79.6   1.9 1420 54.4   3.9 0648 52.8   4.9 91   9 39   39 1.3   0.5 19.4   6.4 1312 S | 185 0.00 0.01 0.017   0.008 3   3 80   10
Rohnert Park-West (Stony Point) 9/16/26 70.3   11.8 1210 54.9   14.6 0055 54.1   3.2 94   4 56   16 3.0   0.5 18.2   3.1 1637 WNW | 282 0.00 0.19 - - 80   10
Cartograph Wines Base 9/16/26 68.8   10.5 1343 55.1   5.4 0036 54.3   0.8 96   2 63   18 5.3   1.2 27.5   4.8 1457 SSW | 198 0.00 0.30 0.117   0.026 440   75 40   10
Cartograph Wines Remote 9/16/26 71.1   10.4 1140 54.2   8.0 0057 - - - - - - - - - - - 80   10
Rice-Spivak Vineyard 9/16/26 73.4   9.6 1157 55.2   16.1 0048 - - - - - - - - - - - 80   10
Penngrove (Asellus) 9/16/26 71.4   14.0 1234 53.9   11.6 0056 52.2   2.6 94   3 49   20 2.8   0.7 15.9   2.1 1249 SSE | 152 0.02 0.57 - - 50   10
Petaluma (Ranch 10) 9/16/26 71.7   13.6 1158 55.5   11.4 0012 52.3   2.4 91   3 50   18 3.0   1.3 15.8   2.7 1559 WSW | 244 0.00 0.09 0.126   0.026 419   71 90   10
Max   79.6 - 57.1 - 54.3 96 63 9.4 30.7 - - 0.02 0.57 0.165 559 -
Avg   - - - - 52.3 - - 4.1 - - - - - - - -
Min   68.8 - 52.8 - 50.1 82 39 1.3 7.7 - - 0.00 0.01 0.017 3 -