Sonoma County-South Daily Obs

19 Stations

Daily Data
as of 9/5/26 9:03 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 9/4/26 74.0   7.1 1438 48.8   6.5 0646 50.3   6.7 97   0 36   34 2.0   0.8 11.4   2.1 1428 SSE | 163 0.00 0.01 0.119   0.092 396   306 60   10
Lower Bennett Valley 9/4/26 75.2   9.0 1407 46.6   5.0 0057 51.4   7.2 100   0 31   48 2.9   0.9 13.8   2.7 1655 SSW | 208 0.00 0.39 0.157   0.119 540   412 50   10
Kenwood (Wildwood) 9/4/26 76.4   8.8 1449 51.0   5.1 0052 51.9   6.3 100   0 32   43 2.5   0.9 18.2   7.3 1319 ESE | 113 0.00 0.21 0.157   0.113 539   391 0   0
Sonoma Valley (Bedrock) 9/4/26 75.3   9.6 1452 48.6   6.0 0606 49.7   7.4 98   3 30   53 - - - - 0.00 0.29 - - 80   20
Sonoma-West (Arnold) 9/4/26 77.7   10.2 1425 48.8   7.3 0452 51.3   6.8 100   7 29   46 3.2   1.1 20.2   7.3 1709 W | 271 0.01 0.35 0.193   0.145 630   480 20   20
Sonoma Valley HS 9/4/26 77.2   10.9 1430 51.6   4.0 0525 54.2   5.9 100   0 36   47 2.1   0.7 6.6   1.4 2030 W | 268 0.00 0.01 0.160   0.123 560   437 50   10
Sonoma East (Bundschu01) 9/4/26 77.9   9.3 1444 49.1   2.2 0059 51.3   6.9 96   2 30   44 2.9   0.6 20.0   5.5 1632 W | 279 0.00 0.23 0.175   0.132 573   451 80   20
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) 9/4/26 79.4   10.2 1439 50.0   2.1 0058 51.7   6.3 96   3 28   43 2.7   0.8 19.2   6.4 1456 WSW | 251 0.01 0.18 - - 100   20
Ricci Vineyards (Carneros) 9/4/26 77.6   8.5 1427 52.6   1.5 0101 52.7   5.3 96   3 30   40 5.0   0.8 18.1   2.0 1852 WSW | 258 0.01 0.12 0.184   0.127 581   425 80   10
Carneros (Ranch 71) 9/4/26 75.6   7.6 1432 54.0   3.4 0734 52.7   5.2 100   5 34   39 5.4   1.8 22.5   7.5 1809 WSW | 254 0.00 0.07 0.178   0.132 566   435 20   10
Carneros Upper (Ranch 81) 9/4/26 76.6   9.3 1532 53.4   3.7 0728 11.8   31.7 - - 7.9   1.8 29.0   5.7 1530 S | 187 - - - - 20   10
Carneros Lower (Ranch 81) 9/4/26 80.1   11.6 1554 52.4   1.3 0221 6.8   24.3 100   0 0   0 1.1   0.0 13.3   0.9 1747 NW | 316 0.01 0.01 0.021   0.014 0   2 50   10
Rohnert Park-West (Stony Point) 9/4/26 73.6   4.9 1340 47.6   6.1 0044 53.4   6.4 99   0 44   30 2.5   0.8 19.2   6.2 1432 W | 269 0.01 0.19 - - 50   10
Cartograph Wines Base 9/4/26 71.8   3.5 1236 50.0   6.6 0655 55.0   4.5 99   2 56   25 4.0   0.1 22.3   3.1 1720 SW | 230 0.00 0.30 0.148   0.094 545   349 40   10
Cartograph Wines Remote 9/4/26 73.2   3.7 1229 49.4   6.1 0708 - - - - - - - - - - - 30   10
Rice-Spivak Vineyard 9/4/26 74.6   5.1 1316 44.5   12.0 0054 - - - - - - - - - - - 40   10
Penngrove (Asellus) 9/4/26 75.3   6.6 1338 49.1   8.2 0042 52.4   6.2 98   1 31   39 2.5   0.2 15.6   3.6 1843 WNW | 287 0.09 0.33 - - 50   10
Petaluma (Ranch 10) 9/4/26 76.3   8.2 1408 50.6   7.3 0047 53.0   5.7 100   7 36   40 2.8   1.4 15.0   5.6 1721 WSW | 258 0.00 0.09 0.158   0.119 524   404 80   20
Max   80.1 - 54.0 - 55.0 100 56 7.9 29.0 - - 0.09 0.39 0.193 630 -
Avg   - - - - 46.8 - - 3.3 - - - - - - - -
Min   71.8 - 44.5 - 6.8 96 0 1.1 6.6 - - 0.00 0.01 0.021 0 -