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Northern Sonoma County Yesterday

25 Stations

Daily Data | America/Los_Angeles
as of 4/21/26 2:03 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 Upper (Cooley) 4/20/26 49.7   16.5 1414 43.9   1.0 0820 45.6   19.3 98 100   9 87   75 6.8 31.1   8.8 1020 SE | 135 1.09 41.57 0.015   0.164 96   408 0   0
Rockpile Lower (Cooley) 4/20/26 52.4   17.2 1406 47.0   0.8 0829 47.4   18.5 94 100   27 73   61 3.3 16.0   4.2 1015 SE | 136 1.06 40.97 - - 0   0
Cloverdale-East (Ranch 83) 4/20/26 55.4   17.9 1545 50.0   10.9 0101 46.2   12.1 - - - 2.4 17.6   1.2 1041 SSE | 157 0.93 34.13 0.024   0.138 108   366 40   10
Cloverdale-SE (Ranch 38) 4/20/26 54.5   16.6 1510 49.2   6.4 0906 49.4   13.9 93 100   13 72   58 4.5 19.1   0.7 1006 N | 0 0.98 35.78 0.022   0.146 91   375 0   10
Geyserville-North (Hoffman) 4/20/26 56.9   16.5 1520 50.1   11.6 0412 49.6   13.7 89 96   1 71   63 3.0 17.0   3.3 1040 S | 170 0.00 25.50 0.026   0.137 84   360 40   10
Geyserville (Ranch 3) 4/20/26 56.6   15.5 1525 50.2   8.5 0505 50.7   15.4 93 100   0 64   57 2.8 17.1   2.9 1023 E | 97 1.23 35.39 0.024   0.144 95   400 70   10
Geyserville-East (Ranch 40) 4/20/26 54.0   16.4 0738 48.8   4.3 2340 48.4   13.3 89 100   13 63   53 7.4 24.1   4.1 0918 SE | 140 1.17 36.24 0.032   0.153 91   411 10   10
Geyserville-South (Nervo Station) 4/20/26 55.9   14.9 1500 49.4   6.5 0511 - - - - 1.8 12.8   3.4 1031 ESE | 123 0.00 27.02 - - 10   10
Peterson (Ranch 09) 4/20/26 55.8   15.4 1156 48.9   7.7 0436 48.3   15.0 88 97   2 66   60 2.5 13.1   0.7 1027 E | 97 1.17 33.07 0.024   0.129 88   374 40   10
Crazy Creek Ranch 4/20/26 57.4   14.3 1154 48.5   7.5 0101 49.8   12.6 88 99   1 60   48 2.0 17.5   0.9 1018 ESE | 104 1.41 36.47 0.027   0.126 89   411 0   10
Whitton Ranch (201e) 4/20/26 56.6   15.7 1523 49.2   10.9 0438 49.5   14.7 91 100   0 67   60 2.1 13.1   2.4 1022 E | 93 1.27 37.40 0.024   0.125 87   376 10   10
Lytton East (Shop Hill Bottom) 4/20/26 56.0   14.6 1518 49.1   9.4 0406 48.9   13.6 89 98   1 63   55 2.4 15.1   0.7 1439 SSE | 163 1.35 38.15 0.027   0.134 93   409 10   10
Lytton East (Hill 5) 4/20/26 55.8   13.8 1520 49.1   7.6 0410 48.8   13.0 90 97   2 64   55 3.0 15.1   1.5 1438 SSE | 156 1.32 37.61 0.026   0.131 87   368 10   10
Lytton West Lower (Lew 6) 4/20/26 56.4   14.3 1518 48.8   10.2 0409 49.6   13.4 91 100   0 69   59 1.5 11.8   1.7 1434 SSE | 158 1.35 38.03 0.024   0.132 87   403 10   10
Lytton West Hill (23PS) 4/20/26 56.5   15.1 1507 49.9   8.3 0407 50.3   13.4 92 100   5 71   63 2.1 12.9   0.9 1432 S | 171 1.40 39.75 0.026   0.134 97   416 40   10
Big River 4/20/26 56.2   15.2 1432 49.9   7.1 0437 49.4   13.2 91 100   3 69   58 2.9 15.1   2.8 1626 W | 264 1.46 34.81 0.029   0.134 100   434 0   10
Jimtown-North (Piccolo Ranch 15) 4/20/26 58.1   14.4 1154 48.3   8.1 0111 48.9   13.3 88 100   0 63   53 1.5 11.4   6.4 1007 ESE | 122 1.38 34.14 0.025   0.111 85   365 10   10
HWY 128/Chalk Hill Rd (Landslide) 4/20/26 58.6   14.3 1211 45.7   5.7 0152 48.1   11.6 86 97   0 63   54 2.9 13.9   1.1 0629 ENE | 66 1.60 33.93 0.024   0.113 64   356 10   10
N Chalk Hill Rd (Ranch 63) 4/20/26 56.8   14.2 1205 45.7   7.1 0122 47.1   11.6 89 100   0 68   59 2.1 11.1   2.1 0901 E | 91 1.65 34.88 0.022   0.116 73   370 40   10
Newman Knights Valley 4/20/26 57.6   13.0 1214 43.4   3.6 0210 46.2   4.0 83 88   0 72   33 1.5 9.3   3.9 1622 SW | 220 1.33 34.22 - - 10   10
Knights Valley (Bavarian Lion) 4/20/26 56.8   15.7 1208 43.1   4.2 0137 47.0   10.8 88 97   0 67   56 2.4 10.5   2.1 0808 S | 186 1.33 33.89 0.029   0.123 98   420 20   10
Bavarian Lion EFW 4/20/26 57.2   16.3 1210 43.3   3.7 0205 - - - - - - - - 1.42 32.33 - - 10   10
Franz Valley (Stornetta) 4/20/26 56.3   14.4 1334 42.6   4.5 0146 47.7   10.7 - 98   1 75   66 1.0 10.6   0.5 1650 W | 260 1.47 34.37 - - 20   10
Upper Dry Creek Valley 4/20/26 56.7   14.9 1522 49.8   10.3 0101 50.2   15.3 92 97   0 71   62 2.1 12.6   0.6 1054 ESE | 106 1.24 38.54 0.026   0.140 98   415 50   10
Lower Dry Creek Valley 4/20/26 57.1   14.9 1510 51.0   11.3 0413 51.8   14.3 95 100   0 70   58 0.9 16.9   4.1 1431 SSE | 159 1.29 37.56 0.022   0.125 84   381 40   10
Max   58.6 - 51.0 - 51.8 98 100 87 7.4 31.1 - - 1.65 41.57 0.032 108 -
Avg   - - - - 48.7 90 - - 2.7 - - - - - - - -
Min   49.7 - 42.6 - 45.6 83 88 60 0.9 9.3 - - 0.00 25.50 0.015 64 -

Sonoma County-Central Daily Obs

37 Stations

Daily Data
as of 4/21/26 2:03 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) 4/20/26 57.2   15.1 1138 51.0   8.5 0414 48.3   7.9 84 87   1 80   63 0.0 0.0   6.0 0101 1.46 33.33 0.027   0.109 100   425 0
Windsor-East (Ranch 16) 4/20/26 59.5   12.1 1133 47.9   9.0 0101 49.4   11.6 86 97   3 62   51 2.4 14.2   0.4 1146 1.47 26.34 0.027   0.129 79   437 10
Mark West-North (Ranch 14) 4/20/26 59.4   12.8 1130 49.7   7.0 0129 49.7   11.4 87 98   2 61   49 1.5 9.4   1.5 0844 1.58 28.33 0.006   0.025 0   0 60
Windsor-SE (Silk Rd) 4/20/26 56.9   13.6 1349 48.9   7.6 0112 51.5   12.1 95 100   0 83   72 1.5 12.3   1.0 1555 1.57 25.77 0.022   0.127 81   409 10
Fulton-NW (Ranch 5) 4/20/26 59.6   11.2 1112 49.1   4.9 0101 42.6   9.9 81 100   0 3   0 1.6 12.2   0.4 1344 1.78 29.02 0.025   0.128 76   433 10
Bisordi (Fulton) 4/20/26 60.1   10.3 1137 48.8   5.2 0101 50.4   7.6 89 96   1 70   48 1.9 13.2   1.2 1603 1.57 23.57 0.027   0.127 88   460 10
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) 4/20/26 61.0   10.0 1136 48.9   7.2 0103 49.6   8.2 86 96   0 62   45 2.4 14.4   0.9 1314 1.60 27.62 - - 10
Fulton-SW (Ranch 21) 4/20/26 58.6   11.2 1114 49.3   5.1 0101 27.0   2.0 70 100   0 0   0 2.6 16.6   0.9 0955 1.59 28.22 0.034   0.126 81   443 0
NW Santa Rosa (Piner Road) 4/20/26 58.9   10.8 1109 49.4   5.2 0133 52.2   7.3 97 100   0 70   52 1.5 12.3   0.0 1601 0.00 23.80 - - 0
River Rd South (Denner Ranch) 4/20/26 57.8   12.9 1108 47.4   6.8 0106 -60.7   49.8 4 100   0 0   0 2.4 19.5   4.2 0957 - - - - 0
West Santa Rosa (LOV Vineyard) 4/20/26 59.4   9.5 1115 49.5   6.0 0147 50.6   8.3 91 97   3 64   47 1.2 12.1   0.5 1555 1.65 22.10 0.003   0.032 0   0 0
Guerneville Rd (Prokopakis) 4/20/26 59.2   14.2 1119 50.0   6.7 0104 51.6   8.3 93 98   1 70   53 - - - 1.37 27.41 - - 40
SunnyView Vineyard (SCWC) 4/20/26 59.6   11.1 1128 48.1   6.1 0139 50.3   8.0 91 100   0 62   46 1.2 13.8   2.8 1559 1.68 29.77 0.024   0.114 82   383 0
Guerneville Rd West (Balletto) 4/20/26 59.6   9.3 1126 50.2   7.5 0128 51.8   7.7 94 99   0 72   50 1.9 14.2   2.0 1557 1.57 27.33 - - 0
Sanchietti Ranch 4/20/26 61.4   9.6 1125 49.8   6.1 0150 51.8   6.2 - 97   1 72   42 2.5 12.8   0.5 1551 1.67 27.91 - - 0
Occidental Rd (Sebastopol) 4/20/26 59.8   9.8 1119 48.6   7.5 0104 53.0   5.0 100 100   0 100   66 1.6 16.7   2.0 1353 1.20 10.79 - - 0
Harper's Rest (Windsor-West) 4/20/26 55.7   14.6 1413 48.3   9.2 0106 49.6   11.8 - 97   1 83   72 1.0 10.4   0.2 1416 1.43 33.96 - - 10
Lower Westside Rd (Ranch 12) 4/20/26 56.8   15.7 1405 48.2   8.6 0101 51.1   13.7 94 100   4 85   74 0.7 10.2   1.8 1417 1.43 32.70 - - 10
Guerneville (Laughlin Rd) 4/20/26 57.0   15.1 1342 48.9   10.9 0339 50.3   12.0 92 97   0 76   61 0.7 15.9   4.4 1354 1.18 43.62 - - 10
Korbel (Winery) 4/20/26 57.3   14.0 1344 49.1   8.1 0101 50.9   10.6 93 97   0 78   61 1.0 13.4   0.9 0956 1.28 40.83 - - 0
Forestville (Shone Farms) 4/20/26 57.7   14.7 1354 49.2   7.7 0101 51.0   12.5 93 98   1 80   67 1.4 14.9   2.0 1410 1.55 34.94 0.022   0.122 78   401 10
Forestville-NE (Ranch 30) 4/20/26 56.3   14.0 1351 47.1   7.9 0103 50.8   10.9 96 99   1 88   71 1.4 15.5   0.2 1415 1.52 32.87 0.021   0.133 78   421 40
Foggy Bend (Ranch 41) 4/20/26 57.6   14.2 1349 48.8   8.5 0101 51.1   10.6 93 97   1 81   59 1.4 11.4   2.0 1408 1.53 34.13 0.026   0.125 96   415 10
Last Stop 4/20/26 57.4   12.3 1335 47.5   9.8 0101 50.9   10.3 94 98   1 84   64 1.4 15.6   3.8 1340 1.54 33.22 0.027   0.116 100   403 0
Green Valley Vineyard 4/20/26 56.7   12.4 1315 47.7   8.2 0101 50.7   12.3 95 98   4 87   74 1.4 16.0   1.5 1343 1.71 40.56 0.002   0.035 0   0 0
Park Royal 4/20/26 60.4   9.5 1128 49.8   6.7 0508 50.3   8.4 89 100   0 60   44 - - - 1.52 15.74 - - 0
Merino 4/20/26 60.3   10.4 1124 47.8   6.3 0110 51.6   7.7 94 100   0 70   47 1.9 17.0   6.1 1133 1.58 28.77 0.026   0.120 89   447 0
Green Valley (Sanchietti) 4/20/26 58.1   12.2 1321 46.6   8.4 0041 - - - - - - - - - - - 10
Keefer Ranch (Green Valley) 4/20/26 57.6   11.1 1327 46.9   8.4 0101 51.4   10.8 95 97   1 90   71 - - - 1.53 36.00 - - 10
Graton-West (Dutton Ranch) 4/20/26 57.8   13.6 1325 48.2   8.8 0101 53.1   10.7 100 100   0 100   88 1.2 11.7   2.7 1330 1.91 43.88 - - 10
Graton-South (Mill Station Rd) 4/20/26 57.6   9.6 1120 45.7   4.7 0101 51.1   7.9 96 99   0 80   55 0.4 10.1   0.1 1350 1.61 33.11 - - 0
Occidental (Horseshoe Bend) 4/20/26 54.5   11.0 1323 48.9   6.8 0057 49.9   9.0 - 100   6 85   72 - - - 1.30 36.36 - - 0
Sexton Valley (Jacqueline's Blk) 4/20/26 57.4   9.9 1301 46.1   3.4 0104 51.6   6.1 96 98   1 93   56 0.9 10.3   5.4 1320 1.80 21.38 - - 0
Sebastopol Hills (Burnside Rd) 4/20/26 55.9   8.0 1305 48.6   4.7 0048 50.9   4.5 96 100   0 87   52 1.0 17.2   3.0 1336 1.39 32.56 - - 0
Pleasant Hill 4/20/26 58.1   9.7 1120 47.3   5.8 0101 50.1   6.1 - 97   1 72   50 1.9 12.2   4.5 1327 1.37 30.51 - - 0
Seaview/Fort Ross (Hirsch) 4/20/26 50.5   11.9 1034 45.2   2.4 2335 47.6   16.8 96 97   5 92   76 5.0 30.8   17.6 1209 1.42 52.53 0.020   0.118 83   411 0
Max   61.4 - 51.0 - 53.1 100 100 100 5.0 30.8 - 1.91 52.53 0.034 100 -
Avg   - - - - 46.7 89 - - 1.6 - - - - - - -
Min   50.5 - 45.2 - -60.7 4 87 0 0.0 0.0 - 0.00 10.79 0.002 0 -

Sonoma County-South Daily Obs

19 Stations

Daily Data
as of 4/21/26 2:03 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 4/20/26 57.0   10.8 1114 46.8   2.0 0148 46.1   11.5 97   16 60   53 2.9   0.7 16.8   7.2 0824 SSE | 159 0.00 5.84 0.028   0.120 79   439 0   0
Lower Bennett Valley 4/20/26 61.9   9.2 1142 41.4   4.7 0150 49.0   7.1 100   0 62   46 2.3   0.4 16.2   2.7 1143 S | 177 1.27 26.46 0.035   0.123 108   452 0   10
Kenwood (Wildwood) 4/20/26 63.2   9.2 1102 41.7   0.0 0407 47.9   7.6 100   6 52   37 2.3   0.5 14.0   2.2 1129 S | 188 1.32 30.82 0.050   0.098 177   324 0   10
Sonoma Valley (Bedrock) 4/20/26 61.0   11.1 1200 41.2   0.1 0507 46.1   8.0 96   7 48   32 - - - - 1.35 27.00 - - 10   10
Sonoma-West (Arnold) 4/20/26 66.4   8.1 1105 43.1   3.3 0504 48.0   9.6 100   7 46   31 2.2   0.2 19.4   5.1 1249 S | 179 0.00 17.86 0.046   0.144 144   489 10   10
Sonoma Valley HS 4/20/26 63.7   9.6 1103 44.4   1.6 0537 49.3   8.0 100   1 50   29 1.6   0.1 11.4   3.5 1250 SSE | 166 0.00 6.44 0.039   0.127 126   451 10   10
Sonoma East (Bundschu01) 4/20/26 65.2   8.1 1101 41.4   0.9 0330 47.6   8.9 95   0 39   22 3.0   0.4 17.8   2.9 1626 S | 182 1.13 20.63 0.052   0.128 137   451 10   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) 4/20/26 67.0   8.7 1104 42.4   1.0 0549 47.4   9.8 95   1 37   21 1.3   0.5 13.1   0.3 1246 S | 187 0.86 17.57 - - 0   0
Ricci Vineyards (Carneros) 4/20/26 67.2   6.8 1114 43.2   0.4 0550 47.9   8.2 96   3 38   21 3.4   0.1 14.4   1.2 1624 S | 170 0.99 21.80 0.057   0.128 172   433 10   10
Carneros (Ranch 71) 4/20/26 63.8   9.1 1115 48.6   2.6 0458 48.5   10.8 100   14 39   23 2.7   0.3 13.9   3.6 1046 E | 85 0.84 18.88 0.050   0.130 141   441 0   10
Carneros Upper (Ranch 81) 4/20/26 65.3   7.8 1115 50.8   0.9 0710 22.2   16.5 - - 3.7   0.4 18.3   0.3 1737 SW | 229 - - - - 0   10
Carneros Lower (Ranch 81) 4/20/26 64.5   8.8 1115 44.6   1.1 0553 10.0   30.5 100   0 0   0 1.5   0.2 12.7   0.0 1622 S | 172 0.33 18.29 0.054   0.091 131   363 0   10
Rohnert Park-West (Stony Point) 4/20/26 61.8   6.2 1101 47.0   6.8 0103 50.8   4.2 98   1 65   27 2.7   0.6 16.8   2.0 1101 ESE | 123 1.54 10.68 - - 0   0
Cartograph Wines Base 4/20/26 59.3   7.5 1204 49.0   2.5 0103 50.7   3.0 98   1 73   30 3.2   0.3 16.8   3.1 1351 ESE | 120 1.40 27.12 0.032   0.108 111   434 0   0
Cartograph Wines Remote 4/20/26 59.7   6.6 1042 45.4   0.3 0101 - - - - - - - - - - - 0   0
Rice-Spivak Vineyard 4/20/26 60.3   7.9 1042 41.2   2.0 0101 - - - - - - - - - - - 0   0
Penngrove (Asellus) 4/20/26 64.1   7.8 1100 47.2   7.7 0141 49.2   6.4 97   1 54   27 5.2   3.0 19.4   6.2 1048 ESE | 114 2.21 49.72 - - 0   0
Petaluma (Ranch 10) 4/20/26 62.8   12.7 1102 45.6   2.3 0531 49.7   8.1 100   0 60   49 1.4   1.1 11.6   0.8 1627 WSW | 258 1.16 18.57 0.032   0.133 99   417 0   0
Max   67.2 - 50.8 - 50.8 100 73 5.2 19.4 - - 2.21 49.72 0.057 177 -
Avg   - - - - 44.4 - - 2.6 - - - - - - - -
Min   57.0 - 41.2 - 10.0 95 0 1.3 11.4 - - 0.00 5.84 0.028 79 -