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Sonoma County-North Daily Obs

14 Stations

Daily Data | America/Los_Angeles
as of 4/1/26 5:55 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) RH (%) 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)
Rockpile Lower (Cooley) 3/31/26 61.8   13.1 1302 47.3   7.0 2231 48.8   10.8 87 100   26 62   42 2.4 12.1   2.8 1332 WSW | 237 0.24 37.21 - - 80   10
Rockpile Upper (Cooley) 3/31/26 59.9   12.2 1227 43.6   6.6 2236 47.5   12.2 92 100   18 58   39 5.9 25.0   3.3 1426 S | 186 0.20 37.86 0.046   0.095 163   121 80   10
Cloverdale-East (Ranch 83) 3/31/26 66.0   10.7 1327 48.8   5.0 2333 51.2   7.6 - - - 2.7 15.3   3.7 1509 SW | 222 0.26 31.25 0.055   0.069 160   99 60   10
Cloverdale-SE (Ranch 38) 3/31/26 63.4   11.3 1307 48.6   6.4 2334 51.2   6.8 88 97   16 68   32 3.7 18.2   3.7 1600 SE | 144 0.35 32.80 0.049   0.076 160   82 50   10
Geyserville-North (Hoffman) 3/31/26 66.9   11.4 1101 49.2   3.8 2310 52.1   5.5 85 96   18 60   25 2.8 14.2   3.4 1605 W | 260 0.00 25.50 0.047   0.040 127   82 10   10
Geyserville (Ranch 3) 3/31/26 68.2   8.5 1100 49.9   4.3 2334 52.6   7.6 87 100   18 57   26 2.8 13.7   2.6 1442 SSE | 158 0.31 31.94 0.052   0.047 152   80 60   10
Geyserville-East (Ranch 40) 3/31/26 67.0   6.7 1103 48.8   5.1 2358 51.0   6.3 87 98   13 64   27 5.5 23.6   4.0 1529 SW | 214 0.33 32.43 0.050   0.057 142   116 60   10
Geyserville-South (Nervo Station) 3/31/26 69.1   6.5 1103 48.7   2.8 2256 - - - - 2.4 16.2   5.7 1527 SSW | 202 0.33 24.97 - - 90   10
Jimtown-North (Piccolo Ranch 15) 3/31/26 65.6   10.0 1210 50.3   2.9 2254 51.2   5.9 83 100   18 61   28 2.1 17.6   7.2 0131 WSW | 238 0.41 29.75 0.041   0.033 112   110 90   10
HWY 128/Chalk Hill Rd (Landslide) 3/31/26 66.8   9.7 1213 50.1   4.3 2251 52.4   5.6 87 97   3 59   30 2.7 15.8   6.4 1404 SE | 141 0.50 28.56 0.044   0.032 145   64 80   10
N Chalk Hill Rd (Ranch 63) 3/31/26 66.0   10.8 1210 47.7   3.6 2246 51.1   5.0 88 100   2 60   31 2.3 18.3   4.2 1403 SSW | 193 0.46 30.07 0.041   0.043 119   115 80   10
Knights Valley (Bavarian Lion) 3/31/26 66.1   9.2 1238 49.1   6.0 2224 51.2   5.3 87 97   1 60   33 2.0 19.6   11.8 1409 SSW | 211 0.51 28.23 0.042   0.044 134   141 80   10
Upper Dry Creek Valley 3/31/26 65.6   9.3 1245 48.8   1.0 2332 51.7   5.4 85 97   16 56   23 2.1 19.4   9.8 1538 SSW | 197 0.35 34.88 0.053   0.034 166   78 90   20
Lower Dry Creek Valley 3/31/26 67.1   10.1 1156 49.9   1.0 2238 52.4   6.4 87 100   17 58   27 1.2 15.0   5.3 1513 S | 171 0.28 33.74 0.054   0.024 169   63 60   10
Max   69.1 - 50.3 - 52.6 92 100 68 5.9 25.0 - - 0.51 37.86 0.055 169 -
Avg   - - - - 51.1 87 - - 2.9 - - - - - - - -
Min   59.9 - 43.6 - 47.5 83 96 56 1.2 12.1 - - 0.00 24.97 0.041 112 -

Sonoma County-Central Daily Obs

Sonoma County-Central Daily Obs

Daily Data
as of 4/1/26 5:55 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) RH (%) Daily Max RH (%) Daily Min RH (%) Wind Spd (mph) Daily Max Wind (mph) Time of Max Wind Daily Rain (In) Season Precip (In) Daily ETo (in) Daily Solar Rad (Cal/cm2) Powdery Mildew Stress (pts)
Windsor-NW (Ranch 8) 3/31/26 68.4   8.0 1028 52.0   0.2 2229 51.4   2.4 81 85   3 67   32 0.2 12.6   5.2 1348 0.25 29.37 0.049   0.023 173   80 20
Windsor-East (Ranch 16) 3/31/26 68.0   8.4 1238 52.2   5.0 2320 53.1   7.2 87 96   8 55   28 2.2 16.0   3.9 1341 0.25 22.21 0.044   0.046 136   107 70
Mark West-North (Ranch 14) 3/31/26 67.7   8.8 1234 52.4   3.2 2314 53.2   6.6 88 96   7 54   31 1.4 15.0   4.6 1333 0.24 23.98 0.008   0.008 0   0 60
Windsor-SE (Silk Rd) 3/31/26 68.5   8.0 1226 52.6   6.8 0059 53.7   6.0 88 97   2 56   26 2.3 18.3   7.0 1332 0.20 21.34 0.048   0.036 152   90 70
Fulton-NW (Ranch 5) 3/31/26 67.8   8.4 1232 52.6   6.4 0037 53.7   6.3 89 95   2 58   32 2.1 15.8   7.5 1402 0.32 24.29 0.044   0.045 143   110 70
Windsor-South (Laughlin Rd) 2/27/26 81.3   4.8 1431 49.4   1.9 0637 53.1   42.4 74 100   0 0   0 - - - 0.00 24.07 - - -
Fulton-SE (Barnes Rd) 3/31/26 67.9   8.9 1254 53.0   4.9 0052 53.7   5.8 88 95   7 56   29 1.8 15.9   5.3 1335 0.46 23.47 - - 70
Fulton-SW (Ranch 21) 3/31/26 68.6   8.0 1251 52.3   6.2 0049 53.4   5.7 89 94   2 58   30 2.4 17.6   8.3 1325 0.38 23.82 0.048   0.042 160   123 0
NW Santa Rosa (Piner Road) 3/31/26 67.0   7.5 1251 52.8   6.6 2242 55.8   4.8 96 100   0 63   30 1.8 16.5   5.4 1325 0.37 22.27 - - 40
River Rd South (Denner Ranch) 3/31/26 67.9   9.4 1230 52.5   7.0 2331 -40.3   72.3 15 100   0 0   0 3.0 24.6   12.9 1322 - - - - 80
West Santa Rosa (LOV Vineyard) 3/31/26 67.0   9.3 1249 53.0   6.0 2302 53.7   5.3 89 96   4 56   24 2.1 16.4   7.4 1330 0.36 17.19 0.009   0.010 0   0 60
Guerneville Rd (Prokopakis) 3/31/26 69.7   7.1 1248 53.2   5.3 2214 54.2   5.7 89 98   4 52   19 - - - 0.28 23.35 - - 70
Guerneville Rd West (Balletto) 3/31/26 67.4   8.2 1248 53.2   7.4 2301 54.8   5.0 91 98   0 60   24 2.6 16.0   2.3 1317 0.30 22.85 - - 0
Sanchietti Ranch 3/31/26 68.3   6.9 1240 54.2   7.6 2304 55.2   3.7 - 96   1 66   21 2.5 17.2   3.9 1356 0.26 23.76 - - 0
Occidental Rd (Sebastopol) 3/31/26 68.8   7.0 1243 53.2   8.2 2240 57.2   3.5 100 100   0 80   26 2.6 18.2   6.1 1409 0.16 7.12 - - 0
Lower Westside Rd (Ranch 12) 3/31/26 67.4   8.2 1230 52.5   6.2 0059 53.7   5.6 89 98   7 55   20 1.2 15.6   5.6 1344 0.18 28.48 - - 70
Guerneville (Laughlin Rd) 3/31/26 66.9   10.1 1302 52.8   8.6 2248 53.3   6.7 88 97   2 56   25 1.2 14.7   4.8 1405 0.21 39.45 - - 70
Korbel (Winery) 3/31/26 66.5   9.9 1308 53.1   6.1 2143 53.9   5.8 89 97   2 58   27 0.6 15.8   8.1 1321 0.24 36.85 - - 70
Forestville (Shone Farms) 3/31/26 68.1   8.3 1242 51.2   2.9 2117 53.6   5.9 89 98   6 57   19 2.1 17.5   4.5 1343 0.15 30.46 0.050   0.037 164   83 70
Forestville-NE (Ranch 30) 3/31/26 68.1   7.7 1231 51.8   5.4 2104 53.8   4.0 91 99   3 63   23 2.3 20.0   11.1 1328 0.14 28.60 0.049   0.037 167   85 90
Green Valley Vineyard 3/31/26 64.9   9.2 1210 52.0   3.6 2145 53.2   5.0 90 98   5 61   23 2.4 18.0   5.3 1344 0.17 35.21 0.016   0.006 27   10 70
Green Valley (Sanchietti) 3/31/26 69.2   7.6 1232 53.2   10.1 2132 - - - - - - - - - - - 70
Keefer Ranch (Green Valley) 3/31/26 66.1   9.1 1224 53.1   8.9 2137 53.9   4.6 89 96   0 64   19 - - - 0.21 31.52 - - 70
Graton-South (Mill Station Rd) 3/31/26 67.6   8.0 1214 53.2   9.8 2201 54.2   5.3 91 98   1 59   19 0.7 9.6   1.0 1307 0.34 27.96 - - 80
Occidental (Horseshoe Bend) 3/31/26 63.0   9.0 1231 51.6   1.8 2020 53.0   6.5 - 100   0 69   34 - - - 0.33 32.43 - - 90
Sexton Valley (Jacqueline's Blk) 3/31/26 67.0   7.1 1238 53.3   7.7 0046 54.7   4.5 91 97   0 66   25 1.5 12.3   4.2 1535 0.50 15.81 - - 80
Sebastopol Hills (Burnside Rd) 3/31/26 64.1   7.0 1231 51.9   2.0 0047 54.2   6.0 95 100   1 69   26 2.2 17.1   4.5 1425 0.25 28.14 - - 0
Seaview/Fort Ross (Hirsch) 3/31/26 61.2   9.6 1105 45.8   4.9 1858 49.5   14.4 94 97   4 53   43 3.5 17.8   4.3 1313 0.39 48.79 0.045   0.049 187   66 60
Max   69.7 - 54.2 - 57.2 100 100 80 3.5 24.6 - 0.50 48.79 0.050 187 -
Avg   - - - - 50.2 87 - - 1.9 - - - - - - -
Min   61.2 - 45.8 - -40.3 15 85 0 0.2 9.6 - 0.14 7.12 0.008 0 -

Sonoma County-South Daily Obs

19 Stations

Daily Data
as of 4/1/26 5:55 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 3/31/26 65.5   7.5 1148 50.3   2.3 2155 51.0   9.7 98   4 59   36 2.2   0.4 16.8   7.8 0113 NNE | 24 0.16 5.57 0.042   0.054 148   123 90   10
Lower Bennett Valley 3/31/26 67.7   9.0 1106 52.4   10.2 2212 53.6   5.6 100   3 60   29 2.3   0.3 14.3   4.6 1343 SSW | 213 0.32 22.38 0.049   0.045 164   115 70   10
Kenwood (Wildwood) 3/31/26 66.5   10.4 1201 52.7   5.8 2230 53.1   6.9 100   10 57   30 2.3   0.3 13.7   3.0 1312 SSW | 196 0.17 27.07 0.047   0.050 158   128 90   10
Sonoma Valley (Bedrock) 3/31/26 64.6   12.6 1153 51.6   5.8 0014 51.8   6.4 96   13 60   37 - - - - 0.18 23.29 - - 70   10
Sonoma-West (Arnold) 3/31/26 65.6   13.4 1037 52.9   8.4 0034 53.3   5.1 96   8 64   31 2.6   0.6 17.3   0.4 1440 SSW | 212 0.03 17.23 0.051   0.055 156   165 70   10
Sonoma Valley HS 3/31/26 64.3   13.4 1043 53.7   6.0 0031 55.2   4.7 100   7 72   36 1.4   0.0 7.7   1.7 1452 SSW | 199 0.05 5.34 0.040   0.054 136   154 70   10
Sonoma East (Bundschu01) 3/31/26 65.3   9.7 1037 53.5   7.5 0030 53.4   4.9 95   7 66   28 2.7   0.3 20.2   8.1 1411 S | 191 0.04 17.52 0.046   0.053 135   154 70   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) 3/31/26 65.1   11.1 1231 54.1   8.4 0649 53.6   4.9 94   6 67   30 0.6   0.4 12.5   2.0 1411 WSW | 247 0.03 14.98 - - 0   0
Ricci Vineyards (Carneros) 3/31/26 65.4   9.8 1228 53.4   7.4 0032 53.5   4.8 95   4 67   29 2.9   0.1 17.0   5.3 1433 SW | 218 0.03 18.78 0.051   0.053 152   157 40   10
Carneros (Ranch 71) 3/31/26 64.7   10.0 1322 54.5   1.5 2321 53.1   6.5 95   14 64   26 2.7   0.9 15.9   4.9 1429 SSW | 198 0.06 16.26 0.048   0.045 145   142 40   10
Carneros Upper (Ranch 81) 3/31/26 64.9   10.5 1220 54.6   1.4 0713 53.0   6.7 - - 4.2   1.3 27.2   14.2 1408 SW | 218 - - - - 70   10
Carneros Lower (Ranch 81) 3/31/26 66.0   10.1 1329 54.1   6.5 0043 54.1   4.3 95   7 66   27 1.2   0.1 14.3   3.8 1424 S | 177 0.00 16.94 0.038   0.041 118   116 0   0
Rohnert Park-West (Stony Point) 3/31/26 66.3   7.5 1229 53.5   10.1 2328 54.7   4.5 97   1 69   22 2.4   0.8 18.0   8.3 1351 SSW | 209 0.18 6.51 - - 0   0
Cartograph Wines Base 3/31/26 64.7   6.8 1226 52.8   0.5 2209 54.4   5.0 98   3 72   30 3.0   0.0 23.5   8.7 1411 S | 177 0.19 22.62 0.050   0.043 181   116 0   0
Cartograph Wines Remote 3/31/26 67.4   6.9 1218 53.0   6.2 2148 - - - - - - - - - - - 0   10
Rice-Spivak Vineyard 3/31/26 68.4   4.7 1139 52.1   12.7 2146 - - - - - - - - - - - 0   0
Penngrove (Asellus) 3/31/26 66.4   10.3 1132 53.9   8.4 0036 53.5   5.1 96   4 61   32 2.8   0.2 15.5   4.9 1415 SSW | 198 0.00 45.71 - - 0   0
Petaluma (Ranch 10) 3/31/26 68.2   10.0 1025 53.5   9.2 0027 53.6   6.6 95   2 61   38 1.3   0.4 15.2   3.4 1412 WSW | 246 0.02 15.69 0.042   0.056 128   149 90   10
Max   68.4 - 54.6 - 55.2 100 72 4.2 27.2 - - 0.32 45.71 0.051 181 -
Avg   - - - - 53.4 - - 2.3 - - - - - - - -
Min   64.3 - 50.3 - 51.0 94 57 0.6 7.7 - - 0.00 5.34 0.038 118 -