Sonoma County-South Daily Obs

19 Stations

Daily Data
as of 6/21/26 2:55 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 6/20/26 73.2   6.7 1503 49.4   4.2 2335 50.2   1.9 98   0 46   12 1.9   0.0 12.1   1.9 1543 SSE | 148 0.00 6.12 0.154   0.088 503   304 20   10
Lower Bennett Valley 6/20/26 73.0   2.8 1342 52.5   3.1 0629 52.0   1.6 96   0 49   6 4.0   1.1 14.5   0.2 1444 W | 263 0.00 28.00 0.206   0.101 717   386 20   10
Kenwood (Wildwood) 6/20/26 75.5   2.1 1324 49.4   6.9 0059 50.7   1.9 95   3 44   4 3.5   0.0 18.0   3.9 1728 NNW | 340 0.00 32.85 0.211   0.064 704   227 90   20
Sonoma Valley (Bedrock) 6/20/26 77.3   3.4 1347 48.7   7.7 0051 49.5   1.5 90   2 40   5 - - - - 0.00 28.95 - - 80   20
Sonoma-West (Arnold) 6/20/26 77.3   1.8 1356 48.0   9.6 0059 50.4   1.7 93   4 40   2 4.8   0.6 19.4   2.6 1450 SW | 222 0.00 18.30 0.258   0.072 817   226 100   10
Sonoma Valley HS 6/20/26 76.4   2.7 1531 51.0   7.0 0058 53.5   1.2 95   2 47   5 3.4   0.6 12.9   1.0 1901 WSW | 253 0.00 6.91 0.224   0.062 754   208 100   10
Sonoma East (Bundschu01) 6/20/26 77.4   2.1 1410 51.6   6.8 0024 50.6   1.7 93   9 39   5 4.8   0.3 20.4   1.8 1924 W | 279 0.00 21.65 0.235   0.073 737   238 100   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) 6/20/26 79.0   3.1 1423 54.0   3.8 0038 50.7   1.6 91   4 37   7 4.1   0.0 17.8   1.7 1853 W | 265 0.00 18.67 - - 100   0
Ricci Vineyards (Carneros) 6/20/26 78.7   4.0 1414 54.6   3.4 0101 51.2   1.6 90   4 38   8 6.5   0.4 18.1   0.8 1828 W | 279 0.00 23.15 0.246   0.071 742   212 90   10
Carneros (Ranch 71) 6/20/26 75.9   2.6 1457 53.6   3.3 0056 51.0   1.6 93   4 41   6 7.6   0.8 24.0   1.1 1633 W | 269 0.00 19.98 0.242   0.069 736   207 100   20
Carneros Upper (Ranch 81) 6/20/26 76.6   3.7 1428 53.7   3.4 0054 50.8   1.6 - - 8.9   0.5 23.8   1.8 1952 WSW | 258 - - - - 100   10
Carneros Lower (Ranch 81) 6/20/26 83.4   4.3 1507 53.9   4.4 0059 52.5   1.4 92   5 35   6 1.3   0.2 20.2   5.8 1338 S | 172 0.00 19.55 0.197   0.057 640   188 100   0
Rohnert Park-West (Stony Point) 6/20/26 70.7   1.5 1335 54.2   2.8 2254 54.0   1.4 95   1 55   7 3.3   1.0 17.6   3.1 1358 W | 278 0.00 12.31 - - 0   10
Cartograph Wines Base 6/20/26 69.8   2.6 1357 54.5   1.4 2250 54.5   1.3 96   1 59   10 4.7   1.4 21.2   4.0 1415 S | 170 0.00 28.88 0.170   0.069 623   269 0   10
Cartograph Wines Remote 6/20/26 72.5   2.8 1355 55.1   1.3 2250 - - - - - - - - - - - 10   10
Rice-Spivak Vineyard 6/20/26 73.5   1.8 1352 54.7   0.2 2253 - - - - - - - - - - - 20   10
Penngrove (Asellus) 6/20/26 74.5   4.6 1324 55.5   0.6 0101 51.3   1.7 89   3 43   8 3.4   0.5 17.0   3.2 1445 WSW | 241 0.00 68.32 - - 30   10
Petaluma (Ranch 10) 6/20/26 75.5   3.3 1532 56.5   1.0 0040 51.7   1.4 85   5 42   8 3.5   0.5 14.9   1.1 1829 WSW | 249 0.00 19.96 0.214   0.071 696   250 100   10
Max   83.4 - 56.5 - 54.5 98 59 8.9 24.0 - - 0.00 68.32 0.258 817 -
Avg   - - - - 51.5 - - 4.4 - - - - - - - -
Min   69.8 - 48.0 - 49.5 85 35 1.3 12.1 - - 0.00 6.12 0.154 503 -