Sonoma County-South Daily Obs

19 Stations

Daily Data
as of 3/22/26 7:54 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 3/21/26 85.4   4.2 1511 51.8   10.8 0010 43.9   4.4 69   7 23   4 2.7   0.3 13.0   4.2 1554 SW | 221 0.00 5.41 0.171   0.009 510   22 0   0
Lower Bennett Valley 3/21/26 84.9   5.4 1418 43.6   1.1 0101 49.2   3.2 100   0 27   3 1.9   0.6 11.6   3.8 1727 NNW | 348 0.00 22.06 0.158   0.006 487   13 0   0
Kenwood (Wildwood) 3/21/26 84.6   6.6 1429 49.2   0.1 0053 49.6   4.2 87   9 29   2 2.8   0.0 16.6   7.5 1758 NNW | 332 0.00 26.90 0.152   0.002 442   17 50   20
Sonoma Valley (Bedrock) 3/21/26 84.4   6.8 1556 48.2   1.0 0640 46.9   6.1 95   2 24   2 - - - - 0.00 23.11 - - 80   20
Sonoma-West (Arnold) 3/21/26 85.5   7.5 1342 45.2   2.6 0047 50.6   3.1 96   1 34   10 2.4   0.7 15.0   6.0 1430 SW | 222 0.00 17.20 0.177   0.011 544   28 50   20
Sonoma Valley HS 3/21/26 83.4   8.5 1347 48.5   1.0 0057 53.5   3.7 100   0 44   18 1.8   0.9 10.7   4.6 1757 SW | 221 0.00 5.29 0.149   0.012 487   25 20   20
Sonoma East (Bundschu01) 3/21/26 82.3   8.8 1401 46.1   2.6 0049 50.8   4.5 94   5 38   17 2.8   1.3 18.6   11.6 1518 WSW | 239 0.00 17.48 0.159   0.014 503   30 50   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) 3/21/26 83.0   10.5 1442 47.3   1.7 0059 50.8   4.1 95   2 36   17 1.5   0.8 16.8   9.1 1545 WSW | 241 0.00 14.95 - - 0   0
Ricci Vineyards (Carneros) 3/21/26 83.3   8.0 1356 49.3   1.1 0059 50.9   3.2 97   0 35   13 3.8   1.6 18.8   10.0 1716 W | 279 0.00 18.75 0.171   0.008 516   30 0   0
Carneros (Ranch 71) 3/21/26 82.1   8.5 1401 52.1   6.7 2340 51.0   4.2 89   3 37   15 4.3   2.3 17.4   6.8 1724 WNW | 285 0.00 16.20 0.166   0.009 495   30 50   20
Carneros Upper (Ranch 81) 3/21/26 83.3   7.6 1454 53.1   7.8 0042 51.3   2.9 - - 6.8   3.8 24.8   12.4 1721 W | 267 - - - - 100   10
Carneros Lower (Ranch 81) 3/21/26 89.2   10.2 1439 47.6   2.0 0059 51.8   0.1 100   0 0   0 1.4   0.7 12.4   5.5 1755 WNW | 294 0.00 16.94 0.120   0.007 374   28 0   0
Rohnert Park-West (Stony Point) 3/21/26 79.4   9.2 1517 42.6   0.8 0059 50.9   0.9 98   0 47   18 2.2   1.1 13.1   1.6 1412 SW | 215 0.00 6.33 - - 0   0
Cartograph Wines Base 3/21/26 76.2   10.7 1450 49.2   7.1 2358 51.8   0.5 92   17 50   18 4.0   1.7 17.2   3.2 1642 SSW | 195 0.00 22.43 0.148   0.016 500   15 0   0
Cartograph Wines Remote 3/21/26 77.9   10.2 1128 42.6   2.4 0057 - - - - - - - - - - - 60   10
Rice-Spivak Vineyard 3/21/26 77.0   11.8 1444 37.1   0.9 0023 - - - - - - - - - - - 0   0
Penngrove (Asellus) 3/21/26 80.6   9.9 1236 41.9   2.6 0054 49.0   1.9 96   1 43   23 2.1   0.8 10.6   3.0 1649 SSE | 161 0.00 45.71 - - 0   0
Petaluma (Ranch 10) 3/21/26 82.8   10.5 1302 44.3   0.0 0054 47.6   2.6 95   5 31   14 2.6   1.5 14.6   5.4 1612 WNW | 284 0.00 15.67 0.158   0.004 459   18 50   20
Max   89.2 - 53.1 - 53.5 100 50 6.8 24.8 - - 0.00 45.71 0.177 544 -
Avg   - - - - 50.0 - - 2.9 - - - - - - - -
Min   76.2 - 37.1 - 43.9 69 0 1.4 10.6 - - 0.00 5.29 0.120 374 -