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Northern Sonoma County Yesterday

25 Stations

Daily Data | America/Los_Angeles
as of 5/5/26 6:30 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) 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 Upper (Cooley) 5/4/26 60.1   1.3 1241 45.4   1.3 0011 46.5   0.1 91 100   0 56   9 5.0 24.3   8.3 2158 WNW | 294 0.11 42.13 0.056   0.002 225   28 30   10
Rockpile Lower (Cooley) 5/4/26 62.4   0.6 1217 48.7   0.7 0428 47.7   0.2 84 95   2 53   7 3.1 16.7   2.9 2142 WSW | 248 0.07 41.49 - - 30   10
Cloverdale-East (Ranch 83) 5/4/26 65.8   2.2 1226 50.9   1.9 0455 50.6   2.0 - - - 2.5 15.4   1.6 1243 N | 0 0.09 35.00 0.075   0.013 254   13 50   10
Cloverdale-SE (Ranch 38) 5/4/26 64.0   1.9 1142 49.5   1.4 0547 50.7   1.2 87 100   3 60   4 3.8 17.6   1.2 1318 SSE | 166 0.10 36.51 0.069   0.011 246   12 30   10
Geyserville-North (Hoffman) 5/4/26 67.6   0.1 1131 50.9   2.2 0506 51.3   1.6 82 96   2 50   3 1.9 10.9   2.1 1009 NNW | 346 0.00 25.50 0.069   0.006 233   15 50   10
Geyserville (Ranch 3) 5/4/26 67.7   1.1 1209 51.6   1.2 0523 51.2   1.7 83 100   0 45   5 1.9 10.0   4.3 1016 NW | 326 0.09 35.88 0.078   0.004 272   21 70   10
Geyserville-East (Ranch 40) 5/4/26 66.9   0.8 1158 49.2   0.8 0540 50.7   1.3 89 100   1 51   5 3.0 13.4   5.2 2159 SSW | 194 0.14 36.80 0.066   0.010 245   9 0   10
Geyserville-South (Nervo Station) 5/4/26 68.7   3.9 1029 50.2   1.7 0507 - - - - 1.5 10.1   2.7 1030 NNE | 22 0.00 27.02 - - 0   10
Peterson (Ranch 09) 5/4/26 67.4   1.3 1131 49.8   2.3 0516 49.6   2.0 81 95   3 44   3 2.4 10.5   2.0 1018 NW | 314 0.14 33.60 0.070   0.018 244   53 0   0
Crazy Creek Ranch 5/4/26 66.8   0.0 1127 51.6   0.7 0314 51.9   1.6 86 98   2 53   4 1.8 12.1   0.8 1129 W | 264 0.19 37.11 0.063   0.016 229   31 30   10
Whitton Ranch (201e) 5/4/26 68.1   1.0 1155 49.8   2.6 0515 50.9   1.9 84 98   2 45   4 1.6 9.9   1.5 1033 N | 1 0.14 37.97 0.065   0.019 234   35 50   10
Lytton East (Shop Hill Bottom) 5/4/26 67.2   0.2 1141 48.4   3.7 0510 50.1   2.1 84 99   5 43   3 2.1 9.2   2.9 0921 W | 279 0.17 38.76 0.068   0.037 238   116 20   10
Lytton East (Hill 5) 5/4/26 67.3   0.1 1150 49.2   2.8 0457 50.3   1.9 85 97   2 46   1 3.1 10.8   5.0 1234 S | 170 0.16 38.21 0.064   0.034 218   97 0   10
Lytton West Lower (Lew 6) 5/4/26 66.9   0.3 1136 47.5   4.9 0522 50.6   2.2 85 100   7 46   2 2.1 12.4   0.8 1010 NNW | 346 0.17 38.64 0.064   0.039 221   122 0   10
Lytton West Hill (23PS) 5/4/26 67.2   0.5 1207 49.1   3.5 0610 50.7   2.3 84 100   6 45   2 2.5 9.6   5.4 2130 S | 178 0.18 40.37 0.075   0.043 262   144 0   10
Big River 5/4/26 65.3   0.5 1214 48.9   3.4 0626 51.3   2.0 87 100   4 55   1 2.0 10.2   3.9 2205 S | 176 0.20 35.48 0.075   0.031 282   88 0   10
Jimtown-North (Piccolo Ranch 15) 5/4/26 66.9   0.3 1144 50.9   1.8 0541 50.7   2.9 83 100   11 46   1 1.1 10.3   5.3 1145 S | 179 0.23 34.87 0.063   0.020 224   46 50   10
HWY 128/Chalk Hill Rd (Landslide) 5/4/26 68.1   0.1 1214 50.5   2.5 0601 50.8   2.1 84 96   4 46   1 1.7 11.4   0.5 0800 SSW | 212 0.29 34.72 0.063   0.018 214   31 30   10
N Chalk Hill Rd (Ranch 63) 5/4/26 67.8   2.5 1219 49.1   2.1 0631 49.4   1.9 84 100   9 45   5 1.9 9.9   2.1 1347 SSE | 156 0.27 35.63 0.069   0.019 244   32 50   10
Newman Knights Valley 5/4/26 65.6   1.7 1208 50.6   1.9 0356 49.8   0.7 81 87   1 63   2 1.8 11.6   1.4 1218 SSW | 200 0.30 35.04 - - 0   10
Knights Valley (Bavarian Lion) 5/4/26 67.1   3.0 1203 46.8   4.8 0407 49.3   1.7 84 96   2 47   5 1.9 10.8   1.7 1213 NW | 310 0.30 34.73 0.074   0.006 264   1 40   10
Bavarian Lion EFW 5/4/26 67.6   2.0 1212 46.8   3.9 0356 - - - - - - - - 0.34 33.10 - - 30   10
Franz Valley (Stornetta) 5/4/26 65.6   0.8 1201 45.8   3.7 0420 48.8   1.1 - 96   5 47   4 1.4 9.6   0.2 1104 NW | 314 0.32 35.24 - - 40   10
Upper Dry Creek Valley 5/4/26 67.8   0.1 1137 48.2   5.0 0510 50.3   1.5 81 96   5 44   4 1.4 7.2   5.8 0932 NW | 314 0.09 39.07 0.074   0.016 263   23 60   10
Lower Dry Creek Valley 5/4/26 69.1   0.9 1206 48.5   4.8 0601 51.2   2.6 84 100   8 43   2 0.9 9.8   2.8 1014 NNW | 332 0.15 38.15 0.068   0.043 246   134 20   10
Max   69.1 - 51.6 - 51.9 91 100 63 5.0 24.3 - - 0.34 42.13 0.078 282 -
Avg   - - - - 50.2 84 - - 2.2 - - - - - - - -
Min   60.1 - 45.4 - 46.5 81 87 43 0.9 7.2 - - 0.00 25.50 0.056 214 -

Sonoma County-Central Daily Obs

37 Stations

Daily Data
as of 5/5/26 6:30 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) 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) 5/4/26 68.4   2.1 1048 48.6   3.9 0635 49.0   0.2 81 86   3 58   0 1.3 10.3   2.0 1301 0.22 34.09 0.078   0.016 282   47 0
Windsor-East (Ranch 16) 5/4/26 67.4   1.5 1131 46.6   3.8 0626 49.8   1.2 85 96   5 46   4 2.1 11.9   1.9 1338 0.25 26.97 0.083   0.006 300   65 0
Mark West-North (Ranch 14) 5/4/26 69.4   3.8 1140 47.8   3.9 0559 49.8   1.4 85 96   6 45   6 1.4 10.2   0.4 1222 0.26 28.98 0.010   0.006 0   0 60
Windsor-SE (Silk Rd) 5/4/26 68.3   4.1 1134 46.0   4.8 0412 50.3   1.4 88 100   7 49   3 1.7 11.7   0.1 1320 0.25 26.46 0.080   0.003 286   19 0
Fulton-NW (Ranch 5) 5/4/26 68.1   2.1 1147 46.7   3.4 0420 43.5   5.6 79 100   5 3   49 1.9 12.8   0.3 1323 0.29 29.84 0.089   0.005 312   38 0
Bisordi (Fulton) 5/4/26 66.3   1.9 1211 46.4   4.7 0558 50.3   0.1 87 96   5 57   4 1.9 12.6   0.3 1328 0.26 24.31 0.089   0.005 338   46 0
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) 5/4/26 66.6   1.8 1206 46.7   5.8 0414 49.7   0.8 84 95   6 50   4 0.6 6.6   2.0 2114 0.38 28.49 - - 0
Fulton-SW (Ranch 21) 5/4/26 66.6   1.5 1329 47.4   2.4 0437 20.3   28.5 61 100   7 0   51 2.8 14.5   1.0 1320 0.29 29.13 0.098   0.004 338   25 0
NW Santa Rosa (Piner Road) 5/4/26 65.7   1.5 1127 46.6   3.4 0419 51.6   0.3 93 100   0 60   0 1.5 11.7   0.9 1310 0.00 23.80 - - 0
River Rd South (Denner Ranch) 5/4/26 67.1   2.5 1214 45.1   3.9 0417 -31.6   39.4 21 100   0 0   0 2.8 14.0   1.8 1321 - - - - 0
West Santa Rosa (LOV Vineyard) 5/4/26 65.4   0.4 1210 46.4   3.1 0408 49.7   0.7 87 100   6 53   1 1.6 12.0   2.0 1305 0.30 22.98 0.011   0.012 0   0 0
Guerneville Rd (Prokopakis) 5/4/26 70.8   0.7 1205 46.7   3.7 0406 50.5   0.6 85 99   4 47   1 - - - 0.25 28.09 - - 0
SunnyView Vineyard (SCWC) 5/4/26 67.0   2.1 1209 43.9   3.7 0411 49.2   0.6 86 100   5 50   1 1.4 11.0   1.5 1346 0.32 30.63 0.084   0.004 305   6 0
Guerneville Rd West (Balletto) 5/4/26 65.4   0.1 1316 45.2   3.9 0348 50.6   0.2 89 100   4 61   6 2.2 11.0   3.6 1311 0.30 28.18 - - 0
Sanchietti Ranch 5/4/26 65.9   1.1 1329 47.2   2.1 0631 51.5   0.3 - 98   3 64   6 2.3 14.2   0.1 1303 0.35 28.81 - - 0
Occidental Rd (Sebastopol) 5/4/26 66.0   0.7 1322 44.2   2.7 0542 53.4   1.7 99 100   0 81   10 1.7 13.8   1.8 1246 0.24 11.45 - - 0
Harper's Rest (Windsor-West) 5/4/26 66.5   3.4 1111 44.8   6.1 0613 48.8   1.1 - 97   4 50   0 1.5 10.4   0.8 1322 0.19 34.63 - - 0
Lower Westside Rd (Ranch 12) 5/4/26 67.4   2.6 1100 45.8   7.1 0612 49.8   1.3 86 97   4 51   0 1.2 12.1   1.2 1327 0.19 33.33 - - 20
Guerneville (Laughlin Rd) 5/4/26 66.2   3.4 1028 46.9   5.9 0404 50.1   1.4 86 97   7 48   6 1.5 12.1   0.4 1315 0.14 44.33 - - 0
Korbel (Winery) 5/4/26 65.9   2.0 1205 48.3   5.2 0556 50.5   1.4 85 96   6 52   2 0.3 11.0   0.5 1316 0.18 41.51 - - 10
Forestville (Shone Farms) 5/4/26 67.2   2.7 1118 45.7   5.6 0533 49.7   1.0 86 97   3 52   2 1.7 11.3   0.3 1413 0.22 35.55 0.077   0.001 276   24 0
Forestville-NE (Ranch 30) 5/4/26 67.3   2.9 1109 44.6   5.4 0546 50.0   0.2 88 99   4 55   2 1.9 10.6   1.8 1321 0.19 33.44 0.077   0.005 282   11 50
Foggy Bend (Ranch 41) 5/4/26 67.5   3.1 1116 46.0   5.8 0602 50.2   0.2 86 97   4 57   3 2.0 12.1   1.5 1420 0.19 34.74 0.079   0.011 285   18 0
Last Stop 5/4/26 67.3   2.9 1200 43.2   3.7 0611 49.2   0.1 86 98   5 54   2 1.5 11.3   0.2 1330 0.18 33.74 0.086   0.000 324   16 0
Green Valley Vineyard 5/4/26 66.3   2.8 1145 44.3   3.4 0520 48.6   0.2 86 98   3 47   6 2.0 13.2   0.0 1330 0.20 41.22 0.013   0.007 0   0 0
Park Royal 5/4/26 66.1   1.5 1207 45.7   3.8 0409 49.7   1.3 87 100   6 51   1 - - - 0.35 16.61 - - 0
Merino 5/4/26 65.0   0.7 1346 45.0   2.8 0625 51.0   0.3 92 100   0 64   6 1.8 13.0   1.5 1320 0.34 29.61 0.084   0.001 327   22 0
Green Valley (Sanchietti) 5/4/26 68.4   1.4 1325 43.2   6.4 0610 - - - - - - - - - - - 0
Keefer Ranch (Green Valley) 5/4/26 65.8   2.3 1201 43.7   4.3 0632 49.2   0.4 86 98   4 54   5 - - - 0.18 36.73 - - 0
Graton-West (Dutton Ranch) 5/4/26 67.4   1.3 1205 44.4   4.9 0619 52.4   2.0 94 100   0 52   6 1.5 10.4   1.6 1335 0.26 44.80 - - 0
Graton-South (Mill Station Rd) 5/4/26 63.7   0.2 1150 42.5   5.5 0623 49.3   0.0 88 99   3 60   4 0.5 7.6   1.4 1353 0.30 34.02 - - 0
Occidental (Horseshoe Bend) 5/4/26 63.2   1.6 1112 46.3   1.3 0623 48.7   0.1 - 98   2 53   6 - - - 0.17 37.00 - - 0
Sexton Valley (Jacqueline's Blk) 5/4/26 63.6   0.8 1153 43.7   3.6 0627 50.0   0.5 89 100   3 61   2 1.4 13.7   0.3 1331 0.32 22.44 - - 0
Sebastopol Hills (Burnside Rd) 5/4/26 61.1   0.2 1207 47.8   1.7 0632 50.6   0.3 92 100   2 70   2 2.6 14.0   0.1 1349 0.05 33.26 - - 0
Pleasant Hill 5/4/26 64.1   1.1 1346 44.7   3.7 0432 49.2   0.5 - 98   4 58   7 2.1 14.3   0.4 1329 0.21 31.48 - - 0
Seaview/Fort Ross (Hirsch) 5/4/26 57.7   2.0 1159 46.2   0.1 0248 46.7   0.2 92 97   0 75   0 2.3 9.4   0.9 1147 0.12 53.61 0.061   0.005 263   9 0
Max   70.8 - 48.6 - 53.4 99 100 81 2.8 14.5 - 0.38 53.61 0.098 338 -
Avg   - - - - 46.6 84 - - 1.7 - - - - - - -
Min   57.7 - 42.5 - -31.6 21 86 0 0.3 6.6 - 0.00 11.45 0.010 0 -

Sonoma County-South Daily Obs

19 Stations

Daily Data
as of 5/5/26 6:30 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 5/4/26 61.8   0.9 1331 45.5   3.1 0305 47.8   0.6 98   2 51   6 1.6   0.2 9.7   2.5 1315 S | 172 0.00 5.84 0.067   0.003 256   0 0   0
Lower Bennett Valley 5/4/26 64.4   0.6 1210 40.1   5.8 0614 48.7   0.3 100   0 51   4 1.8   0.5 10.4   1.8 1304 SSW | 209 0.49 27.60 0.074   0.006 272   2 0   0
Kenwood (Wildwood) 5/4/26 65.1   1.4 1255 43.9   5.6 0623 48.7   0.6 100   6 49   0 2.3   0.7 11.0   3.9 1437 N | 2 0.54 31.94 0.074   0.023 272   71 0   0
Sonoma Valley (Bedrock) 5/4/26 64.4   0.6 1329 43.0   5.5 0539 46.9   0.2 98   7 43   4 - - - - 0.59 27.96 - - 0   0
Sonoma-West (Arnold) 5/4/26 66.0   0.2 1324 42.1   8.9 0619 48.1   0.2 100   11 44   8 2.4   1.3 12.7   1.8 1425 WSW | 249 0.00 17.87 0.095   0.014 326   46 0   0
Sonoma Valley HS 5/4/26 65.8   0.6 1113 43.5   7.6 0547 50.1   0.3 100   4 51   7 1.4   0.8 6.0   0.1 1549 SW | 227 0.00 6.59 0.078   0.021 288   70 0   0
Sonoma East (Bundschu01) 5/4/26 66.0   0.7 1208 40.3   6.1 0617 47.4   0.6 97   4 44   7 2.3   1.5 14.2   0.4 1416 SW | 227 0.55 21.61 0.084   0.021 285   54 0   0
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) 5/4/26 66.7   0.7 1209 42.0   4.7 0604 47.5   0.4 96   4 40   8 1.4   1.0 11.5   3.0 1445 WSW | 238 0.43 18.47 - - 0   0
Ricci Vineyards (Carneros) 5/4/26 65.9   0.2 1159 42.0   6.5 0629 48.5   0.2 96   3 45   6 4.8   0.0 14.8   0.7 0918 W | 272 0.45 22.91 0.090   0.011 314   2 0   0
Carneros (Ranch 71) 5/4/26 64.7   0.6 1204 47.1   3.3 0613 48.4   0.2 97   6 44   9 4.7   1.5 15.9   3.8 1445 WSW | 244 0.40 19.83 0.087   0.013 295   8 0   0
Carneros Upper (Ranch 81) 5/4/26 64.5   0.2 1151 46.7   2.9 0635 28.6   19.3 - - 5.9   1.5 17.2   2.0 1442 W | 261 - - - - 0   0
Carneros Lower (Ranch 81) 5/4/26 68.5   0.9 1235 42.6   6.4 0627 33.4   15.8 100   8 0   47 - 8.6   0.8 1519 NW | 321 0.04 19.33 0.071   0.006 247   9 0   0
Rohnert Park-West (Stony Point) 5/4/26 64.5   0.2 1205 43.2   3.4 0527 50.4   0.2 98   2 62   4 2.0   1.1 16.4   3.0 1307 W | 281 0.42 11.83 - - 0   0
Cartograph Wines Base 5/4/26 62.0   0.1 1202 47.5   3.1 0551 51.1   0.3 99   3 70   6 4.7   0.1 18.3   0.6 1329 WSW | 238 0.38 28.34 0.084   0.006 357   1 0   0
Cartograph Wines Remote 5/4/26 65.4   1.4 1144 46.3   2.1 0610 - - - - - - - - - - - 0   0
Rice-Spivak Vineyard 5/4/26 66.3   0.2 1203 41.3   1.3 0311 - - - - - - - - - - - 0   0
Penngrove (Asellus) 5/4/26 66.6   1.7 1108 41.4   7.0 0530 48.8   0.3 98   2 42   9 1.9   0.6 13.8   1.9 1322 WSW | 242 0.00 50.93 - - 0   0
Petaluma (Ranch 10) 5/4/26 68.3   1.5 1132 41.0   9.4 0625 48.3   0.3 100   6 40   9 3.1   0.8 13.7   0.9 1404 W | 277 0.52 19.61 0.088   0.012 285   24 0   0
Max   68.5 - 47.5 - 51.1 100 70 5.9 18.3 - - 0.59 50.93 0.095 357 -
Avg   - - - - 46.4 - - 2.9 - - - - - - - -
Min   61.8 - 40.1 - 28.6 96 0 1.4 6.0 - - 0.00 5.84 0.067 247 -