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Northern Sonoma County Yesterday

25 Stations

Daily Data | America/Los_Angeles
as of 5/17/26 8:43 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) 5/16/26 65.9   8.3 1333 43.2   2.6 0558 37.4   2.8 60 76   5 38   7 15.9 45.2   1.1 1535 WNW | 303 0.00 42.13 0.208   0.045 720   30 80   10
Rockpile Lower (Cooley) 5/16/26 68.3   8.7 1342 47.2   3.4 0553 38.0   2.6 53 68   2 34   7 10.4 36.5   6.9 1529 WNW | 283 0.00 41.49 - - 70   10
Cloverdale-East (Ranch 83) 5/16/26 77.3   7.9 1445 53.1   1.7 0605 38.2   2.2 - - - 7.1 23.0   2.2 2330 NNW | 338 0.00 35.00 0.243   0.030 681   20 80   20
Cloverdale-SE (Ranch 38) 5/16/26 75.4   7.6 1429 50.2   3.6 0501 40.0   2.2 48 63   0 29   5 13.6 34.7   11.5 2338 NW | 319 0.00 36.51 0.256   0.024 646   20 90   10
Geyserville-North (Hoffman) 5/16/26 78.3   8.2 1451 53.1   2.9 0608 40.3   3.1 44 57   2 28   5 8.2 23.2   6.0 0642 N | 351 0.00 25.50 0.236   0.011 607   19 100   20
Geyserville (Ranch 3) 5/16/26 78.0   8.6 1449 53.7   3.1 0622 38.3   2.5 41 55   2 23   3 10.3 23.7   4.8 0014 W | 280 0.00 35.88 0.270   0.016 691   22 100   20
Geyserville-East (Ranch 40) 5/16/26 77.5   8.7 1449 50.4   3.4 0444 40.7   2.7 48 63   2 29   6 8.2 27.0   1.6 1742 NW | 320 0.00 36.80 0.238   0.022 686   20 100   10
Geyserville-South (Nervo Station) 5/16/26 78.4   8.3 1438 52.8   4.8 0547 - - - - 10.0 33.3   1.7 1839 WNW | 284 0.00 27.02 - - 100   10
Peterson (Ranch 09) 5/16/26 78.1   8.8 1453 53.2   4.2 0549 36.8   2.4 39 53   1 22   3 12.2 28.5   0.9 0826 WNW | 292 0.00 33.60 0.277   0.011 658   18 40   20
Crazy Creek Ranch 5/16/26 77.9   7.7 1441 52.8   4.9 0624 41.9   3.1 46 59   27 29   6 9.1 25.1   1.4 1908 W | 274 0.00 37.11 0.259   0.000 693   15 100   0
Whitton Ranch (201e) 5/16/26 78.7   8.2 1446 52.9   4.7 0550 39.1   2.7 42 56   2 24   3 8.6 24.4   2.4 0005 WNW | 297 0.00 37.97 0.246   0.007 640   4 100   10
Lytton East (Shop Hill Bottom) 5/16/26 77.2   9.8 1435 52.4   4.4 0619 38.7   2.2 43 58   3 24   6 8.4 26.1   4.6 0711 NW | 317 0.00 38.76 0.253   0.021 692   19 100   10
Lytton East (Hill 5) 5/16/26 76.6   8.9 1450 52.4   4.1 0614 39.0   2.4 44 59   3 25   5 13.4 31.0   2.4 0730 NNW | 336 0.00 38.22 0.261   0.023 625   15 90   10
Lytton West Lower (Lew 6) 5/16/26 77.0   8.6 1446 52.4   4.3 0616 39.4   2.2 44 59   2 25   4 9.2 22.8   2.0 1707 W | 269 0.00 38.65 0.243   0.021 607   18 100   0
Lytton West Hill (23PS) 5/16/26 77.8   9.1 1446 52.7   4.9 0618 39.3   1.4 43 58   7 25   6 9.2 23.8   1.7 0707 NW | 317 0.00 40.37 0.256   0.032 663   21 100   10
Big River 5/16/26 78.6   8.4 1440 53.4   2.9 0501 40.5   2.7 45 59   2 28   7 9.2 28.4   4.2 0228 WNW | 284 0.00 35.49 0.264   0.005 726   17 100   10
Jimtown-North (Piccolo Ranch 15) 5/16/26 77.6   8.6 1447 53.5   0.6 0530 38.2   2.9 40 55   12 23   4 6.8 25.0   1.5 0201 WNW | 289 0.00 34.87 0.233   0.006 624   14 100   10
HWY 128/Chalk Hill Rd (Landslide) 5/16/26 80.2   7.5 1510 52.6   4.7 0511 39.7   3.8 42 58   29 24   7 5.6 21.7   3.6 1136 W | 281 0.00 34.74 0.223   0.002 593   10 100   10
N Chalk Hill Rd (Ranch 63) 5/16/26 77.5   8.5 1504 52.8   5.1 0559 38.2   3.4 41 55   31 25   6 8.2 24.5   3.5 0914 WNW | 291 0.00 35.63 0.246   0.004 619   16 100   10
Newman Knights Valley 5/16/26 79.0   6.3 1447 45.0   2.5 0548 48.1   2.5 62 82   5 49   3 4.4 22.0   2.0 1543 W | 274 0.00 35.05 - - 100   0
Knights Valley (Bavarian Lion) 5/16/26 78.7   7.0 1451 48.0   6.3 0044 39.1   3.4 44 79   18 24   6 6.6 21.9   0.7 1800 NW | 315 0.00 34.74 0.242   0.004 685   12 100   0
Bavarian Lion EFW 5/16/26 80.8   6.8 1444 47.6   4.4 0058 - - - - - - - - 0.00 33.11 - - 100   10
Franz Valley (Stornetta) 5/16/26 78.4   6.9 1515 51.9   7.8 0631 38.2   3.9 - 59   33 24   6 4.8 25.6   7.1 1644 NW | 324 0.00 35.29 - - 100   0
Upper Dry Creek Valley 5/16/26 75.5   9.3 1418 53.4   3.8 0555 39.5   1.5 44 59   2 28   7 8.2 21.5   2.3 1752 NW | 312 0.00 39.08 0.249   0.028 706   20 100   10
Lower Dry Creek Valley 5/16/26 78.2   8.6 1455 53.1   4.6 0609 40.0   1.3 43 57   5 26   9 11.3 25.2   2.3 1823 WNW | 298 0.00 38.16 0.264   0.026 649   22 100   10
Max   80.8 - 53.7 - 48.1 62 82 49 15.9 45.2 - - 0.00 42.13 0.277 726 -
Avg   - - - - 39.5 46 - - 9.1 - - - - - - - -
Min   65.9 - 43.2 - 36.8 39 53 22 4.4 21.5 - - 0.00 25.50 0.208 593 -

Sonoma County-Central Daily Obs

37 Stations

Daily Data | America/Los_Angeles
as of 5/17/26 8:43 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) 5/16/26 78.8   8.8 1448 54.8   4.4 0629 42.9   2.9 46 60   4 31   5 4.4 26.4   3.5 1922 0.00 34.10 0.214   0.021 687   20 70
Windsor-East (Ranch 16) 5/16/26 79.5   4.0 1504 53.6   2.6 0550 39.5   3.3 41 57   17 24   2 6.8 19.7   2.3 1830 0.00 27.00 0.252   0.002 687   12 100
Mark West-North (Ranch 14) 5/16/26 78.5   3.6 1512 54.4   3.1 0507 38.3   4.4 39 55   29 24   2 3.6 10.6   1.8 0139 0.00 29.03 0.066   0.013 0   0 60
Windsor-SE (Silk Rd) 5/16/26 78.9   5.2 1508 55.2   11.1 0524 38.9   5.2 39 54   44 24   2 6.2 19.7   1.3 1701 0.00 26.47 0.245   0.007 685   14 100
Fulton-NW (Ranch 5) 5/16/26 78.5   3.9 1515 55.5   9.9 0631 39.6   5.6 41 56   39 26   2 8.0 21.7   1.2 1728 0.00 29.89 0.260   0.012 695   8 100
Bisordi (Fulton) 5/16/26 79.2   2.8 1530 55.0   8.6 0503 42.7   4.7 46 60   33 31   1 6.0 22.7   2.5 0924 0.00 24.35 0.247   0.000 736   14 100
Windsor-South (Laughlin Rd) 5/16/26 79.3   6.6 1515 54.6   7.4 0515 38.9   6.2 39 55   37 25   1 - - - 0.00 28.55 - - 100
Fulton-SE (Barnes Rd) 5/16/26 81.0   1.9 1539 53.7   6.1 0517 41.6   4.0 44 62   27 27   1 7.1 24.6   1.4 1835 0.00 28.57 - - 100
Fulton-SW (Ranch 21) 5/16/26 79.9   1.1 1533 54.8   8.9 0528 39.2   6.0 40 56   37 25   0 6.9 22.1   3.9 1928 0.00 29.17 0.264   0.010 718   11 100
NW Santa Rosa (Piner Road) 5/16/26 82.1   1.3 1533 51.8   6.9 0545 43.9   5.1 47 66   34 29   5 1.8 8.9   3.8 1733 0.00 23.80 - - 90
River Rd South (Denner Ranch) 5/16/26 80.4   2.5 1548 49.0   5.2 0404 40.3   27.5 43 78   22 24   24 7.2 28.5   11.4 0735 - - - - 60
West Santa Rosa (LOV Vineyard) 5/16/26 79.6   2.7 1549 52.6   7.6 0341 39.3   6.3 40 65   31 24   1 5.4 18.8   3.7 1912 0.00 23.02 0.097   0.047 8   5 100
Guerneville Rd (Prokopakis) 5/16/26 80.1   6.4 1528 49.0   3.2 0420 41.2   5.4 44 89   8 23   0 - - - 0.00 28.14 - - 100
SunnyView Vineyard (SCWC) 5/16/26 80.7   0.2 1518 51.5   9.0 0545 39.0   6.0 39 58   42 23   3 5.3 19.2   4.2 0722 0.00 30.69 0.230   0.019 646   10 70
Guerneville Rd West (Balletto) 5/16/26 79.9   3.3 1513 48.7   4.0 0409 43.2   4.6 48 86   12 27   1 5.2 17.4   2.8 1935 0.00 28.22 - - 80
Sanchietti Ranch 5/16/26 80.8   1.2 1609 47.2   1.8 0414 45.7   5.4 - 86   11 30   8 4.7 17.8   4.1 1836 0.00 28.88 - - 90
Occidental Rd (Sebastopol) 5/16/26 80.1   2.8 1550 45.5   1.6 0527 47.8   6.4 62 100   0 32   5 5.4 22.1   10.3 0659 0.00 11.49 - - 80
Harper's Rest (Windsor-West) 5/16/26 77.4   7.2 1501 52.6   7.0 0458 37.5   6.2 - 54   40 24   5 5.2 21.2   6.0 0142 0.00 34.66 - - 100
Lower Westside Rd (Ranch 12) 5/16/26 79.8   6.0 1443 54.4   8.4 0500 37.3   6.4 36 52   43 22   5 4.2 18.4   7.3 0124 0.00 33.35 - - 100
Guerneville (Laughlin Rd) 5/16/26 80.3   7.9 1500 48.5   6.1 0608 36.4   5.2 35 67   30 19   6 4.1 17.5   0.3 1238 0.00 44.34 - - 100
Korbel (Winery) 5/16/26 80.3   8.2 1505 52.4   6.2 0549 38.1   5.0 36 60   36 22   13 2.7 23.7   3.1 1716 0.00 41.51 - - 100
Forestville (Shone Farms) 5/16/26 81.1   5.4 1526 54.8   7.6 0450 38.6   6.0 37 53   39 22   2 5.6 23.8   6.6 0102 0.00 35.56 0.244   0.011 674   14 100
Forestville-NE (Ranch 30) 5/16/26 78.6   8.1 1541 53.5   9.0 0540 40.9   6.1 41 56   43 26   2 7.8 23.5   1.6 0120 0.00 33.46 0.259   0.016 698   17 100
Foggy Bend (Ranch 41) 5/16/26 80.0   5.9 1532 51.0   4.7 0603 43.8   5.5 45 68   29 33   5 6.4 23.4   4.5 2358 0.00 34.76 0.247   0.015 700   16 100
Last Stop 5/16/26 79.4   6.2 1539 49.7   6.6 0627 41.8   4.6 45 73   25 28   10 3.8 17.9   5.2 1817 0.00 33.76 0.225   0.001 693   9 100
Green Valley Vineyard 5/16/26 79.1   4.9 1538 54.5   9.0 2334 37.8   5.9 37 60   32 21   0 3.3 17.1   2.0 0128 0.00 41.26 0.064   0.015 0   0 100
Park Royal 5/16/26 80.1   0.7 1540 49.9   5.6 0348 38.3   6.2 39 68   24 23   5 - - - 0.00 16.67 - - 90
Merino 5/16/26 80.0   0.2 1547 44.7   2.9 0410 43.3   4.7 50 89   11 29   7 5.2 18.2   3.3 0957 0.00 29.67 0.239   0.012 716   19 90
Green Valley (Sanchietti) 5/16/26 83.1   4.0 1555 48.1   5.5 0618 - - - - - - - - - - - 100
Keefer Ranch (Green Valley) 5/16/26 80.4   2.2 1553 50.1   7.0 0633 43.4   4.2 47 81   17 29   1 - - - 0.00 36.76 - - 100
Graton-West (Dutton Ranch) 5/16/26 81.2   3.6 1514 49.9   6.2 0634 40.3   5.8 41 92   8 23   0 3.1 18.1   6.0 1922 0.00 44.85 - - 100
Graton-South (Mill Station Rd) 5/16/26 78.9   2.7 1511 43.8   0.8 0625 41.4   4.2 52 89   8 24   1 1.5 12.3   5.0 1736 0.00 34.06 - - 80
Occidental (Horseshoe Bend) 5/16/26 76.8   1.3 1436 54.3   4.3 2328 39.2   4.9 - 62   15 25   7 - - - 0.00 37.05 - - 40
Sexton Valley (Jacqueline's Blk) 5/16/26 78.3   3.2 1458 47.6   3.6 0634 44.8   4.6 54 87   13 31   2 2.5 13.0   0.0 1546 0.00 22.49 - - 80
Sebastopol Hills (Burnside Rd) 5/16/26 74.7   4.7 1440 51.7   0.5 0004 42.8   4.3 48 74   0 32   3 3.3 15.2   2.4 1916 0.00 33.45 - - 0
Pleasant Hill 5/16/26 78.4   3.1 1448 46.0   0.4 0059 40.8   4.8 - 88   2 25   5 3.1 16.0   4.4 1810 0.00 31.56 - - 60
Seaview/Fort Ross (Hirsch) 5/16/26 67.1   6.3 1327 47.1   3.8 0044 38.1   2.9 54 70   4 35   2 9.5 26.9   4.2 1918 0.00 53.61 0.212   0.026 715   28 0
Max   83.1 - 55.5 - 47.8 62 100 35 9.5 28.5 - 0.00 53.61 0.264 736 -
Avg   - - - - 40.7 44 - - 5.0 - - - - - - -
Min   67.1 - 43.8 - 36.4 35 52 19 1.5 8.9 - 0.00 11.49 0.064 0 -

Sonoma County-South Daily Obs

19 Stations

Daily Data
as of 5/17/26 8:43 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 5/16/26 77.0   1.6 1547 47.4   1.2 0537 38.6   4.2 72   9 25   2 2.7   0.1 14.3   1.2 0120 N | 350 0.00 5.84 0.173   0.007 538   8 80   20
Lower Bennett Valley 5/16/26 78.2   0.6 1532 51.6   5.3 0550 41.0   4.6 65   18 27   7 7.0   1.5 21.2   1.1 0140 NNW | 333 0.00 27.61 0.237   0.006 672   12 90   20
Kenwood (Wildwood) 5/16/26 78.4   2.4 1531 47.2   3.4 0427 41.7   4.0 85   10 26   0 4.7   1.4 17.3   0.1 1650 NW | 320 0.00 31.95 0.221   0.001 665   12 100   0
Sonoma Valley (Bedrock) 5/16/26 78.6   4.6 1633 52.8   7.4 0623 38.4   4.9 58   31 23   2 - - - - 0.00 27.98 - - 100   0
Sonoma-West (Arnold) 5/16/26 78.5   2.1 1353 50.9   9.7 0026 41.2   4.7 73   27 25   4 5.2   1.0 24.6   5.6 0608 NW | 308 0.00 17.88 0.258   0.001 777   8 100   0
Sonoma Valley HS 5/16/26 78.8   0.9 1408 54.9   10.1 0602 44.4   4.9 64   36 28   7 4.0   1.2 9.8   0.9 0052 NW | 326 0.00 6.62 0.221   0.002 709   5 70   20
Sonoma East (Bundschu01) 5/16/26 79.6   0.8 1426 50.9   8.2 0018 40.5   5.7 73   21 22   7 6.4   3.5 20.2   1.3 1430 W | 268 0.00 21.64 0.255   0.029 713   8 100   20
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) 5/16/26 79.5   0.8 1409 52.5   9.2 2337 40.9   4.9 69   24 24   4 6.1   2.8 20.2   4.4 1645 WSW | 249 0.00 18.49 - - 80   20
Ricci Vineyards (Carneros) 5/16/26 77.6   3.1 1422 50.1   7.2 0519 41.9   4.7 73   22 28   2 9.1   4.4 20.4   1.0 1633 WSW | 238 0.00 22.95 0.260   0.021 716   7 80   20
Carneros (Ranch 71) 5/16/26 76.0   1.8 1319 51.8   1.7 0017 41.2   4.8 70   9 29   1 9.2   4.2 27.0   3.5 1635 W | 267 0.00 19.86 0.260   0.023 716   6 60   20
Carneros Upper (Ranch 81) 5/16/26 76.8   2.1 1415 51.7   0.3 0019 40.4   5.7 - - 10.5   4.1 27.9   2.9 1603 W | 261 - - - - 60   20
Carneros Lower (Ranch 81) 5/16/26 81.9   2.7 1424 48.7   4.0 0613 42.8   3.3 71   29 27   26 2.0   1.0 14.3   2.2 1223 NNW | 336 0.00 19.42 0.189   0.002 604   9 80   20
Rohnert Park-West (Stony Point) 5/16/26 76.1   0.6 1359 44.1   0.6 0539 45.8   3.3 88   10 34   11 3.6   1.6 16.9   3.4 1124 NNW | 345 0.00 11.83 - - 0   0
Cartograph Wines Base 5/16/26 72.8   0.2 1405 47.9   2.5 0544 46.1   3.0 84   2 36   13 5.0   0.3 17.6   1.8 1526 SSW | 194 0.00 28.36 0.199   0.001 686   15 0   0
Cartograph Wines Remote 5/16/26 75.0   1.5 1223 44.0   0.9 0611 - - - - - - - - - - - 0   0
Rice-Spivak Vineyard 5/16/26 75.2   0.8 1355 36.4   0.7 0433 - - - - - - - - - - - 0   0
Penngrove (Asellus) 5/16/26 77.1   0.2 1328 42.7   1.2 0511 43.0   3.5 88   9 27   7 4.8   2.3 18.1   5.4 0957 NW | 326 0.26 51.20 - - 60   60
Petaluma (Ranch 10) 5/16/26 75.6   3.0 1403 49.8   6.5 0459 42.0   2.9 71   24 27   3 6.6   2.6 18.7   3.6 1200 NW | 306 0.00 19.63 0.238   0.007 694   14 100   20
Max   81.9 - 54.9 - 46.1 88 36 10.5 27.9 - - 0.26 51.20 0.260 777 -
Avg   - - - - 41.9 - - 5.8 - - - - - - - -
Min   72.8 - 36.4 - 38.4 58 22 2.0 9.8 - - 0.00 5.84 0.173 538 -