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Latest Observation

25 Stations

Daily Data | America/Los_Angeles
as of 9/10/26 5:04 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) 9/9/26 93.8   1.7 1204 70.6   4.4 0225 37.8   1.4 22   4 31   10 9   2 6.1   1.0 20.2   1.3 2213 NW | 318 0.00 0.33 0.214   0.068 363   234 80   20
Rockpile Lower (Cooley) 9/9/26 96.7   1.6 1333 70.0   4.4 0139 39.2   0.8 23   5 34   9 11   4 3.0   0.0 13.6   3.4 1849 WNW | 287 0.00 0.33 - - 70   10
Cloverdale-East (Ranch 83) 9/9/26 100.2   1.5 1511 66.7   6.4 0627 42.9   0.2 - - - 4.5   0.1 20.0   0.6 0326 NNW | 346 0.00 0.12 0.197   0.024 383   176 70   10
Cloverdale-SE (Ranch 38) 9/9/26 98.7   2.2 1456 67.0   7.0 0556 43.9   0.4 28   7 42   15 13   0 7.4   1.5 25.5   8.0 0452 NNW | 344 0.00 0.11 0.239   0.000 335   145 30   10
Geyserville-North (Hoffman) 9/9/26 101.7   2.9 1352 56.0   7.2 0619 48.4   0.7 39   9 73   13 14   1 2.0   0.1 11.1   0.3 1034 W | 281 0.00 0.00 0.147   0.041 332   197 20   10
Geyserville (Ranch 3) 9/9/26 99.3   2.5 1353 58.8   6.1 0613 45.2   0.6 34   7 63   13 12   0 2.5   0.0 10.7   0.7 1035 WNW | 290 0.00 0.13 0.161   0.033 352   169 60   10
Geyserville-East (Ranch 40) 9/9/26 100.3   4.2 1400 64.9   5.2 0627 45.5   0.2 30   6 47   12 12   4 2.7   1.6 11.4   9.6 1812 NNW | 335 0.00 0.12 0.170   0.070 367   175 0   10
Geyserville-South (Nervo Station) 9/9/26 102.5   6.3 1351 60.9   6.7 0705 - - - - 1.9   0.0 12.1   0.0 2001 WNW | 297 0.00 0.21 - - 30   10
Peterson (Ranch 09) 9/9/26 99.1   3.7 1353 53.1   8.7 0632 46.2   1.9 45   5 80   11 11   2 2.1   0.1 11.1   2.8 1121 NNW | 328 0.00 0.20 0.153   0.042 359   182 20   10
Crazy Creek Ranch 9/9/26 100.2   3.0 1523 55.0   7.5 0629 48.1   0.5 42   9 75   17 11   6 1.8   0.0 14.0   2.3 1315 NW | 312 0.00 0.23 0.159   0.040 390   183 40   10
Whitton Ranch (201e) 9/9/26 101.1   2.1 1358 51.8   9.5 0258 46.3   1.5 43   9 85   15 12   2 2.0   0.1 10.3   0.7 1024 NNE | 15 0.00 0.29 0.148   0.029 332   136 50   10
Lytton East (Shop Hill Bottom) 9/9/26 100.2   4.1 1258 54.6   8.6 0705 44.9   1.4 39   8 73   18 10   2 1.9   0.1 9.1   3.5 1719 NW | 305 0.00 0.27 0.161   0.045 387   184 40   10
Lytton East (Hill 5) 9/9/26 100.4   4.5 1354 58.7   7.0 0708 44.7   0.9 34   6 62   17 11   2 3.0   0.1 14.9   2.9 1943 WNW | 301 0.00 0.25 0.176   0.028 341   161 30   10
Lytton West Lower (Lew 6) 9/9/26 98.4   2.4 1509 53.3   8.0 0552 46.2   1.9 42   7 79   13 11   2 1.8   0.3 10.2   2.2 1655 NNW | 334 0.00 0.28 0.160   0.051 381   199 40   10
Lytton West Hill (23PS) 9/9/26 98.5   2.9 1347 60.5   7.8 0513 45.9   1.2 35   7 63   21 10   2 2.6   0.1 9.8   2.7 1703 NNW | 333 0.00 0.26 0.168   0.048 388   197 50   10
Big River 9/9/26 97.4   2.4 1432 60.8   5.2 0641 48.6   0.7 37   6 59   12 16   3 1.1   0.5 8.3   5.3 1532 SSE | 164 0.00 0.28 0.143   0.060 393   199 60   10
Jimtown-North (Piccolo Ranch 15) 9/9/26 100.1   3.3 1517 53.1   8.4 0636 44.7   1.9 41   6 75   25 11   1 1.3   0.3 8.8   5.9 1514 SW | 223 0.00 0.20 0.131   0.043 329   151 40   10
HWY 128/Chalk Hill Rd (Landslide) 9/9/26 101.0   2.3 1351 52.3   6.9 0526 51.0   3.6 54   2 91   5 10   2 0.9   0.6 9.2   4.4 1341 W | 262 0.00 0.31 0.124   0.051 324   154 40   10
N Chalk Hill Rd (Ranch 63) 9/9/26 100.0   4.4 1457 50.6   7.7 0627 50.1   4.3 53   1 89   10 12   2 1.0   0.6 7.7   6.0 1201 WSW | 238 0.00 0.29 0.128   0.053 341   159 50   10
Newman Knights Valley 8/16/26 87.7   7.5 1555 53.8   0.1 0712 56.9   1.1 71   5 89   2 46   12 3.1   0.4 13.6   1.9 1647 SW | 220 0.00 0.00 - - 60   10
Knights Valley (Bavarian Lion) 9/9/26 98.5   2.1 1503 51.4   9.4 0532 45.3   1.8 47   7 88   9 7   3 2.0   0.1 10.4   4.5 1238 NW | 318 0.00 0.26 0.160   0.033 391   159 40   10
Red Tail 9/9/26 96.5   1.2 1555 55.8   8.5 0643 52.4   2.6 49   6 80   10 19   2 2.0   0.6 10.3   6.1 1532 SSW | 197 0.01 0.29 0.145   0.052 381   174 60   10
Franz Valley (Stornetta) 9/9/26 98.5   1.4 1401 50.6   7.5 0651 49.2   4.4 - 90   6 10   1 1.1   0.1 9.2   1.9 1228 N | 8 0.00 0.43 - - 40   10
Upper Dry Creek Valley 9/9/26 99.7   1.1 1314 54.6   6.1 0625 47.6   1.6 42   7 78   13 11   2 1.4   0.1 10.3   1.3 1800 NW | 304 0.00 0.14 0.145   0.055 364   211 80   10
Lower Dry Creek Valley 9/9/26 100.8   4.5 1254 55.1   6.4 0535 48.8   3.2 45   4 77   11 10   2 0.8   0.1 9.3   1.0 1657 N | 355 0.00 0.26 0.134   0.045 357   182 60   10
Max   102.5 - 70.6 - 52.4 54 91 19 7.4 25.5 - - 0.01 0.43 0.239 393 -
Avg   - - - - 46.2 39 - - 2.4 - - - - - - - -
Min   93.8 - 50.6 - 37.8 22 31 7 0.8 7.7 - - 0.00 0.00 0.124 324 -

Sonoma County-Central Daily Obs

37 Stations

Daily Data | America/Los_Angeles
as of 9/10/26 5:04 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) 9/9/26 99.4   1.0 1356 60.0   4.9 0709 53.1   2.3 46 78   5 15   4 0.8 7.4   7.4 1232 0.00 0.50 0.136   0.060 375   183 0
Windsor-East (Ranch 16) 9/9/26 99.4   2.8 1435 57.1   7.2 0706 48.2   2.0 42 76   14 12   2 1.7 10.3   5.2 0350 0.00 0.23 0.145   0.064 364   197 70
Mark West-North (Ranch 14) 9/9/26 98.9   2.8 1513 56.2   7.4 0536 48.6   2.4 44 79   15 13   0 0.6 6.4   4.4 1230 0.00 0.24 - - 30
Windsor-SE (Silk Rd) 9/9/26 97.4   1.4 1509 53.1   7.6 0652 51.9   4.7 56 91   6 13   1 1.0 8.2   4.4 1625 0.00 0.32 0.133   0.056 361   194 60
Fulton-NW (Ranch 5) 9/9/26 97.5   2.2 1517 54.8   8.5 0714 50.6   3.3 49 83   10 15   1 1.3 7.5   5.0 1610 0.00 0.23 0.140   0.054 374   181 60
Bisordi (Fulton) 9/9/26 96.9   1.3 1516 53.0   8.3 0702 54.3   4.2 57 89   7 19   0 1.4 7.6   6.3 1618 0.00 0.22 0.142   0.059 395   200 60
Windsor-South (Laughlin Rd) 9/9/26 98.4   1.5 1411 56.6   5.9 0706 50.5   2.0 45 79   11 15   0 - - - 0.00 0.17 - - 50
Fulton-SE (Barnes Rd) 9/9/26 98.3   2.5 1526 56.4   8.2 0630 51.4   2.1 48 84   7 16   1 0.8 7.9   6.6 1626 0.00 0.29 - - 60
Fulton-SW (Ranch 21) 9/9/26 97.7   2.7 1538 54.7   7.5 0637 49.5   2.3 47 83   8 14   2 1.4 8.1   5.1 1605 0.00 0.20 0.145   0.062 393   209 60
NW Santa Rosa (Piner Road) 9/9/26 98.3   2.6 1518 53.8   7.9 0644 54.0   3.0 56 100   0 17   1 0.9 8.1   6.2 1610 0.00 0.00 - - 60
River Rd South (Denner Ranch) 9/9/26 99.3   3.9 1513 53.1   6.4 0627 50.4   32.6 50 100   0 0   0 2.0 10.3   8.6 1628 - - - - 70
West Santa Rosa (LOV Vineyard) 8/25/26 85.6   5.6 1427 51.5   1.4 0051 53.4   2.0 73 96   2 24   16 1.5 11.9   1.3 1443 0.00 0.00 0.029   0.002 0   0 100
Guerneville Rd (Prokopakis) 9/9/26 101.4   1.8 1508 53.3   7.9 0526 51.8   2.8 53 92   4 13   0 - - - 0.00 0.21 - - 20
SunnyView Vineyard (SCWC) 9/9/26 99.7   3.7 1508 52.0   8.2 0658 49.5   2.8 51 90   6 11   3 1.2 8.4   5.9 1613 0.00 0.27 0.133   0.038 333   169 70
Guerneville Rd West (Balletto) 9/9/26 98.7   2.6 1509 53.2   7.3 0705 54.9   4.1 58 92   4 16   1 1.3 7.6   7.6 1548 0.00 0.43 - - 60
Sanchietti Ranch 9/9/26 100.3   4.2 1507 53.6   7.8 0624 54.4   2.9 - 90   6 16   3 1.7 11.2   3.5 1500 0.00 0.28 - - 70
Occidental Rd (Sebastopol) 9/9/26 99.9   2.8 1502 52.8   7.0 0612 52.8   1.1 58 100   0 14   3 1.6 8.6   7.7 1504 0.00 0.20 - - 60
Harper's Rest (Windsor-West) 9/9/26 96.3   0.3 1411 54.1   4.7 0632 49.4   2.5 - 81   7 13   0 1.2 6.7   3.7 1621 0.00 0.45 - - 50
Lower Westside Rd (Ranch 12) 9/9/26 96.7   1.0 1450 53.3   6.1 0610 52.3   4.6 56 88   6 12   1 0.7 7.7   4.5 1513 0.00 0.45 - - 70
Guerneville (Laughlin Rd) 9/9/26 95.7   0.4 1326 51.9   5.6 0649 53.7   4.6 62 94   2 17   4 0.7 9.8   2.9 1216 0.00 0.81 - - 70
Korbel (Winery) 9/9/26 97.6   2.9 1332 53.1   6.2 0642 55.5   6.1 64 95   5 15   2 0.1 7.7   2.7 1341 0.00 0.52 - - 70
Forestville (Shone Farms) 9/9/26 97.8   1.5 1410 55.8   6.8 0621 51.6   2.4 48 84   7 15   0 1.3 7.1   3.8 2005 0.00 0.43 0.136   0.049 353   189 60
Forestville-NE (Ranch 30) 9/9/26 100.2   4.0 1427 53.0   5.4 0654 54.4   3.2 56 92   5 18   1 1.0 6.6   5.9 1454 0.00 0.40 0.132   0.066 365   203 10
Foggy Bend (Ranch 41) 9/9/26 96.4   0.2 1410 53.2   6.0 0649 57.1   3.8 61 92   4 26   0 1.5 8.2   6.2 1602 0.00 0.42 0.138   0.056 370   194 60
Last Stop 9/9/26 97.1   0.2 1429 52.5   5.9 0648 52.7   2.9 54 90   6 15   3 1.7 7.7   3.8 1628 0.00 0.39 0.140   0.050 367   194 10
Green Valley Vineyard 9/9/26 95.5   1.4 1458 56.3   6.3 0600 50.2   2.5 47 77   14 14   1 1.5 8.8   2.4 1604 0.00 0.57 0.038   0.007 5   1 30
Park Royal 9/9/26 98.9   2.6 1508 53.5   7.8 0618 48.2   2.1 46 84   8 10   3 - - - 0.00 0.21 - - 60
Merino 9/9/26 100.7   2.3 1510 51.1   8.0 0701 52.8   2.9 56 99   1 15   3 1.3 8.9   1.4 1531 0.00 0.33 0.139   0.058 387   195 70
Green Valley (Sanchietti) 9/9/26 98.1   1.5 1456 49.3   8.7 0648 - - - - - - - - - - - 60
Keefer Ranch (Green Valley) 9/9/26 95.8   1.5 1413 51.9   7.1 0700 55.5   4.6 64 96   2 19   2 - - - 0.00 0.48 - - 30
Graton-West (Dutton Ranch) 9/9/26 97.8   1.0 1350 53.2   7.5 0700 55.4   4.5 64 100   0 13   2 0.9 8.3   1.9 1615 0.00 0.61 - - 60
Graton-South (Mill Station Rd) 9/9/26 96.1   2.7 1405 51.1   6.8 0645 52.1   3.4 57 94   3 14   3 0.1 4.5   5.7 1457 0.00 0.40 - - 40
Occidental (Horseshoe Bend) 9/9/26 93.2   2.2 1347 64.2   5.1 0640 49.2   1.5 - 57   10 18   0 - - - 0.00 0.75 - - 30
Sexton Valley (Jacqueline's Blk) 9/9/26 96.6   2.8 1403 52.3   6.5 0612 55.6   3.6 61 96   4 19   3 0.9 8.8   2.6 1407 0.00 0.27 - - 70
Sebastopol Hills (Burnside Rd) 9/9/26 95.7   4.3 1453 64.9   6.3 0725 49.8   0.3 38 56   14 17   6 1.2 7.4   5.9 1211 0.00 0.00 - - 100
Pleasant Hill 9/9/26 98.2   2.8 1505 58.9   5.7 0630 49.4   0.7 - 68   12 16   0 2.0 8.2   6.7 1234 0.00 0.49 - - 70
Seaview/Fort Ross (Hirsch) 9/9/26 89.8   5.6 1239 76.0   6.3 0209 38.6   4.6 22 29   11 13   8 2.3 10.4   0.5 1401 0.00 0.07 0.155   0.046 342   234 60
Max   101.4 - 76.0 - 57.1 64 100 26 2.3 11.2 - 0.00 0.81 0.155 395 -
Avg   - - - - 51.7 52 - - 1.2 - - - - - - -
Min   89.8 - 49.3 - 38.6 22 29 0 0.1 4.5 - 0.00 0.00 0.038 5 -

Sonoma County-South Daily Obs

19 Stations

Daily Data
as of 9/10/26 5:04 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 9/9/26 96.6   1.7 1526 68.0   6.4 0649 43.0   1.9 44   16 11   3 2.2   0.2 8.9   1.7 1217 SE | 142 0.00 0.02 0.139   0.022 296   116 70   10
Lower Bennett Valley 9/9/26 98.4   3.0 1542 52.0   7.3 0654 48.2   0.2 90   10 10   1 2.0   0.4 10.9   5.1 1309 NNW | 329 0.00 0.39 0.162   0.037 381   155 60   10
Kenwood (Wildwood) 9/9/26 99.6   4.2 1528 55.1   7.5 0625 45.8   0.5 79   14 8   2 2.7   0.1 11.7   0.2 1252 NNW | 337 0.00 0.21 0.172   0.023 406   127 10   10
Sonoma Valley (Bedrock) 9/9/26 98.9   4.5 1432 54.1   6.9 0642 44.4   0.4 74   15 8   3 - - - - 0.00 0.29 - - 70   10
Sonoma-West (Arnold) 9/9/26 102.1   4.3 1500 55.0   7.8 0622 45.5   0.6 77   12 9   2 2.2   0.1 14.4   3.6 1601 W | 274 0.00 0.35 0.194   0.029 481   144 30   10
Sonoma Valley HS 9/9/26 102.8   6.3 1459 56.5   7.7 0634 52.8   1.6 88   12 14   3 1.1   0.2 3.6   2.8 1851 SSW | 203 0.00 0.01 0.162   0.028 436   125 60   10
Sonoma East (Bundschu01) 9/9/26 102.6   6.1 1508 54.4   7.8 0627 47.3   0.8 80   12 11   2 2.2   0.1 14.2   1.8 1559 N | 354 0.00 0.23 0.185   0.024 449   131 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) 9/9/26 105.5   5.6 1456 54.3   7.5 0654 46.9   0.9 80   12 11   2 1.4   0.2 13.8   3.0 1548 W | 270 0.00 0.18 - - 70   10
Ricci Vineyards (Carneros) 9/9/26 103.3   5.6 1500 54.2   8.0 0652 47.0   1.0 81   11 10   3 2.9   0.2 14.6   1.6 1559 W | 266 0.00 0.12 0.208   0.009 465   121 80   10
Carneros (Ranch 71) 9/9/26 101.0   5.6 1452 63.9   4.0 0625 45.2   0.9 55   10 11   2 3.1   0.9 17.9   4.8 1606 WNW | 282 0.00 0.07 0.212   0.006 453   117 80   10
Carneros Upper (Ranch 81) 9/9/26 102.5   4.5 1519 65.4   6.1 0708 44.5   0.4 - - 5.0   1.8 18.7   2.8 1441 WSW | 248 - - - - 30   10
Carneros Lower (Ranch 81) 9/9/26 108.0   9.8 1501 55.5   6.7 0625 49.3   2.0 82   18 10   10 1.0   0.2 13.8   2.5 1602 NNW | 330 0.00 0.01 0.031   0.006 0   0 60   10
Rohnert Park-West (Stony Point) 9/9/26 98.5   3.4 1504 50.6   8.8 0643 51.5   2.7 92   5 17   2 1.0   0.2 10.3   7.5 1603 W | 270 0.00 0.19 - - 60   10
Cartograph Wines Base 9/9/26 96.2   1.3 1504 61.6   5.7 0637 50.4   0.2 64   12 19   2 2.4   0.4 13.2   6.3 1532 SW | 234 0.00 0.30 0.161   0.038 386   172 20   10
Cartograph Wines Remote 9/9/26 96.8   3.0 1441 54.5   5.4 0656 - - - - - - - - - - - 40   10
Rice-Spivak Vineyard 9/9/26 99.5   2.1 1458 48.8   6.8 0643 - - - - - - - - - - - 50   10
Penngrove (Asellus) 9/9/26 98.0   3.0 1522 52.5   7.9 0624 47.4   1.1 86   10 10   4 1.9   0.2 11.0   4.0 1507 NW | 306 0.04 0.53 - - 30   10
Petaluma (Ranch 10) 9/9/26 99.4   1.8 1414 52.7   7.9 0643 46.9   1.3 82   10 13   2 1.3   0.2 11.8   1.3 1422 NW | 310 0.00 0.09 0.155   0.026 390   139 70   10
Max   108.0 - 68.0 - 52.8 92 19 5.0 18.7 - - 0.04 0.53 0.212 481 -
Avg   - - - - 47.3 - - 2.2 - - - - - - - -
Min   96.2 - 48.8 - 43.0 44 8 1.0 3.6 - - 0.00 0.01 0.031 0 -