Sonoma County-South Daily Obs

19 Stations

Daily Data
as of 9/27/26 1:47 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 9/26/26 75.0   6.7 1422 48.3   3.0 0707 47.5   0.0 92   1 35   18 1.6   0.4 7.9   5.8 1347 SE | 141 0.00 0.02 0.076   0.037 237   102 70   20
Lower Bennett Valley 9/26/26 78.9   1.7 1401 39.3   3.9 0718 47.7   0.9 100   6 34   3 2.7   0.1 11.5   4.2 1454 SW | 217 0.00 0.39 0.112   0.025 354   58 50   10
Kenwood (Wildwood) 9/26/26 81.4   0.2 1443 41.1   6.0 0709 46.8   0.7 100   11 27   1 2.0   0.8 11.7   2.2 1529 NNW | 339 0.00 0.21 0.116   0.021 368   36 50   10
Sonoma Valley (Bedrock) 9/26/26 79.9   2.2 1457 42.6   5.4 0359 45.6   0.4 94   8 24   0 - - - - 0.00 0.29 - - 80   20
Sonoma-West (Arnold) 9/26/26 81.7   2.4 1458 42.0   3.7 0320 46.6   0.7 93   8 29   4 2.0   1.0 12.7   6.5 1648 WNW | 283 0.00 0.35 0.144   0.030 458   59 100   20
Sonoma Valley HS 9/26/26 79.8   1.8 1452 45.3   4.0 0610 51.1   1.1 100   5 38   2 1.7   0.3 7.7   1.1 1856 SW | 228 0.00 0.01 0.124   0.018 412   49 50   10
Sonoma East (Bundschu01) 9/26/26 79.3   1.9 1500 43.2   4.2 0359 48.0   1.4 94   7 31   0 2.6   0.4 13.6   5.3 1509 S | 177 0.00 0.23 0.136   0.014 431   23 60   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) 9/26/26 80.3   2.7 1445 43.6   6.2 0418 48.0   1.9 93   5 30   1 1.9   0.9 14.2   2.0 1444 SW | 227 0.00 0.18 - - 60   10
Ricci Vineyards (Carneros) 9/26/26 78.0   3.4 1427 44.2   4.2 0346 48.2   3.5 95   4 30   1 3.2   1.6 14.3   1.1 1724 W | 268 0.00 0.12 0.146   0.012 451   12 70   20
Carneros (Ranch 71) 9/26/26 76.5   3.1 1437 52.4   2.6 0227 50.1   1.1 92   5 34   2 3.0   1.8 18.5   3.3 1721 W | 260 0.00 0.07 0.136   0.018 431   17 40   10
Carneros Upper (Ranch 81) 9/26/26 77.3   3.3 1526 53.1   2.3 0200 50.0   0.9 - - 4.8   3.6 19.9   3.3 2135 WSW | 246 - - - - 40   10
Carneros Lower (Ranch 81) 9/26/26 76.5   8.0 1414 45.0   2.3 0344 49.2   2.6 100   10 0   31 1.2   0.2 10.8   3.8 1329 SSE | 164 0.00 0.01 0.021   0.007 6   27 40   10
Rohnert Park-West (Stony Point) 9/26/26 75.0   4.8 1405 39.2   4.1 0323 48.7   2.4 98   1 45   6 1.3   0.1 14.2   4.2 1513 W | 279 0.00 0.21 - - 40   10
Cartograph Wines Base 9/26/26 73.5   4.8 1408 46.2   6.1 0709 51.6   2.7 98   1 51   7 3.3   0.2 21.6   0.7 1510 SW | 227 0.00 0.32 0.104   0.032 366   75 50   10
Cartograph Wines Remote 9/26/26 73.5   5.2 1245 44.2   4.1 0628 - - - - - - - - - - - 70   10
Rice-Spivak Vineyard 9/26/26 75.5   4.7 1239 38.4   2.9 0616 - - - - - - - - - - - 70   10
Penngrove (Asellus) 9/26/26 78.5   1.7 1348 40.7   3.2 0317 47.4   2.1 96   2 32   2 1.7   0.4 14.6   0.4 1401 W | 262 0.00 0.57 - - 10   10
Petaluma (Ranch 10) 9/26/26 80.2   0.7 1419 42.3   4.0 0611 48.0   3.0 95   0 29   7 1.5   1.1 11.4   3.5 1451 WSW | 253 0.00 0.09 0.124   0.013 401   11 80   20
Max   81.7 - 53.1 - 51.6 100 51 4.8 21.6 - - 0.00 0.57 0.146 458 -
Avg   - - - - 48.4 - - 2.3 - - - - - - - -
Min   73.5 - 38.4 - 45.6 92 0 1.2 7.7 - - 0.00 0.01 0.021 6 -