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Northern Sonoma County Yesterday

25 Stations

Daily Data | America/Los_Angeles
as of 5/16/26 12:23 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) 5/15/26 74.2   4.7 1340 45.8   1.8 0528 40.2   1.2 56 81   7 31   18 14.0 46.2   7.9 1645 NW | 317 0.00 42.13 0.253   0.020 750   7 90   10
Rockpile Lower (Cooley) 5/15/26 77.0   5.9 1212 50.6   0.0 0444 40.5   1.6 49 70   12 27   16 7.4 29.6   2.4 1629 W | 271 0.00 41.49 - - 80   10
Cloverdale-East (Ranch 83) 5/15/26 85.2   4.4 1503 51.4   0.8 0657 40.5   4.5 - - - 6.5 20.8   3.8 1728 W | 269 0.00 35.00 0.273   0.028 701   11 60   10
Cloverdale-SE (Ranch 38) 5/15/26 83.0   6.7 1415 53.8   1.5 0652 42.2   4.5 44 63   20 24   9 10.2 23.2   0.5 2333 NW | 312 0.00 36.51 0.280   0.037 667   15 100   10
Geyserville-North (Hoffman) 5/15/26 86.5   1.3 1431 56.1   3.8 0510 43.4   5.1 42 59   23 23   4 5.9 17.2   3.7 2318 WNW | 297 0.00 25.50 0.247   0.025 626   18 80   10
Geyserville (Ranch 3) 5/15/26 86.6   0.2 1405 56.7   3.1 0425 40.8   5.4 38 57   20 20   6 7.4 18.9   1.7 1710 NW | 319 0.00 35.88 0.286   0.035 714   21 80   10
Geyserville-East (Ranch 40) 5/15/26 86.2   1.5 1406 53.7   4.4 0544 43.4   5.2 45 65   26 23   0 6.5 25.3   3.8 0023 N | 350 0.00 36.80 0.260   0.021 706   20 90   10
Geyserville-South (Nervo Station) 5/15/26 86.6   2.7 1412 57.6   5.7 0615 - - - - 8.2 31.6   8.4 2332 WNW | 297 0.00 27.02 - - 90   10
Peterson (Ranch 09) 5/15/26 86.9   2.7 1442 57.4   6.5 0403 39.2   6.1 36 52   32 18   4 9.1 27.7   5.2 0000 WNW | 290 0.00 33.60 0.288   0.052 676   16 20   10
Crazy Creek Ranch 5/15/26 85.6   0.7 1448 47.9   1.9 0607 45.0   4.5 49 86   13 23   2 5.5 23.8   3.3 0008 NW | 309 0.00 37.11 0.259   0.029 708   18 100   0
Whitton Ranch (201e) 5/15/26 86.9   1.7 1434 57.6   5.4 0621 41.8   5.4 39 53   29 21   7 6.4 22.0   3.3 0009 NW | 306 0.00 37.97 0.253   0.031 637   11 90   10
Lytton East (Shop Hill Bottom) 5/15/26 87.0   4.0 1443 56.7   10.4 0621 40.9   6.4 39 55   38 18   4 7.1 21.5   3.2 2342 WNW | 293 0.00 38.76 0.274   0.038 710   21 90   10
Lytton East (Hill 5) 5/15/26 85.5   2.1 1340 56.5   7.3 0614 41.4   6.2 40 56   32 20   3 11.6 28.7   4.2 2343 WNW | 301 0.00 38.22 0.284   0.050 640   16 100   0
Lytton West Lower (Lew 6) 5/15/26 85.6   1.8 1453 56.7   11.1 0634 41.6   5.9 40 57   43 20   4 7.9 20.8   3.0 1811 WNW | 292 0.00 38.65 0.264   0.044 625   18 100   0
Lytton West Hill (23PS) 5/15/26 86.9   3.4 1412 57.6   7.8 0040 40.8   6.4 37 51   38 19   6 8.2 22.1   1.5 0011 NW | 307 0.00 40.37 0.288   0.047 684   14 90   10
Big River 5/15/26 87.0   4.3 1453 56.2   5.7 0637 43.1   5.7 42 61   28 21   11 5.6 24.1   4.6 2023 WNW | 283 0.00 35.49 0.269   0.028 742   17 90   10
Jimtown-North (Piccolo Ranch 15) 5/15/26 86.2   2.1 1542 52.9   7.6 0653 41.1   4.9 40 67   33 18   0 4.0 23.5   8.6 2330 WNW | 293 0.00 34.87 0.227   0.024 638   14 90   10
HWY 128/Chalk Hill Rd (Landslide) 5/15/26 87.7   2.9 1430 47.9   1.9 0636 43.5   4.3 47 87   8 17   7 3.9 18.1   6.1 1819 WNW | 303 0.00 34.74 0.221   0.022 603   12 90   10
N Chalk Hill Rd (Ranch 63) 5/15/26 86.0   3.6 1415 47.6   2.4 0612 41.6   5.4 42 86   14 18   8 4.5 21.0   7.7 1903 NW | 316 0.00 35.63 0.242   0.032 634   14 90   10
Newman Knights Valley 5/15/26 85.3   2.0 1456 42.6   0.9 0619 50.6   1.6 66 87   1 46   5 3.2 20.0   6.9 1704 W | 267 0.00 35.05 - - 100   0
Knights Valley (Bavarian Lion) 5/15/26 85.7   2.1 1507 41.7   0.4 0559 42.5   4.3 52 97   1 18   8 4.4 22.6   10.7 2009 NW | 322 0.00 34.74 0.246   0.030 697   14 100   0
Bavarian Lion EFW 5/15/26 87.6   1.9 1510 43.2   0.4 0541 - - - - - - - - 0.00 33.11 - - 90   10
Franz Valley (Stornetta) 5/15/26 85.3   1.1 1423 44.1   2.1 0624 42.2   5.0 - 91   5 18   7 3.5 18.5   9.0 2219 NW | 315 0.00 35.29 - - 100   0
Upper Dry Creek Valley 5/15/26 84.8   3.5 1425 57.2   6.5 0618 41.0   2.8 39 56   31 21   13 6.6 19.2   0.5 0101 WNW | 297 0.00 39.08 0.277   0.016 727   24 90   10
Lower Dry Creek Valley 5/15/26 86.8   2.5 1353 57.8   10.4 0027 41.3   5.9 38 52   48 18   7 9.0 22.8   1.9 0455 WNW | 298 0.00 38.16 0.290   0.055 672   20 90   10
Max   87.7 - 57.8 - 50.6 66 97 46 14.0 46.2 - - 0.00 42.13 0.290 750 -
Avg   - - - - 42.1 44 - - 6.9 - - - - - - - -
Min   74.2 - 41.7 - 39.2 36 51 17 3.2 17.2 - - 0.00 25.50 0.221 603 -

Sonoma County-Central Daily Obs

37 Stations

Daily Data | America/Los_Angeles
as of 5/16/26 12:23 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) 5/15/26 87.6   4.6 1619 59.1   10.9 0643 45.8   5.9 43 64   20 26   13 2.5 22.9   9.3 2223 0.00 34.10 0.235   0.027 706   19 50
Windsor-East (Ranch 16) 5/15/26 83.5   2.9 1700 51.0   2.1 0617 42.7   6.1 42 74   18 23   4 4.6 22.0   9.3 0054 0.00 27.00 0.250   0.029 699   15 100
Mark West-North (Ranch 14) 5/15/26 82.1   3.6 1240 51.4   2.4 0141 42.7   6.8 42 84   6 22   4 2.5 12.5   1.1 2232 0.00 29.03 0.053   0.019 0   0 60
Windsor-SE (Silk Rd) 5/15/26 84.1   2.9 1542 44.0   0.1 0619 44.1   6.4 53 99   0 22   11 3.2 18.4   7.2 1533 0.00 26.47 0.238   0.032 699   18 80
Fulton-NW (Ranch 5) 5/15/26 82.4   3.1 1527 45.6   0.1 0616 45.2   5.2 53 95   1 25   7 3.8 22.9   10.4 1913 0.00 29.89 0.248   0.034 702   14 80
Bisordi (Fulton) 5/15/26 82.1   2.8 1542 46.4   0.2 0611 47.4   4.4 56 93   2 30   8 3.5 20.2   7.1 2346 0.00 24.35 0.247   0.030 750   14 80
Windsor-South (Laughlin Rd) 5/15/26 85.9   4.5 1311 47.2   0.4 0622 45.0   5.8 51 92   1 24   11 - - - 0.00 28.55 - - 80
Fulton-SE (Barnes Rd) 5/15/26 82.9   3.3 1541 47.6   0.5 0608 45.6   4.6 51 89   5 26   6 2.6 23.2   16.1 2320 0.00 28.57 - - 80
Fulton-SW (Ranch 21) 5/15/26 81.0   3.3 1534 45.9   0.2 0600 45.2   3.1 53 93   7 24   24 4.4 18.1   3.4 2211 0.00 29.17 0.254   0.035 729   12 80
NW Santa Rosa (Piner Road) 5/15/26 80.8   3.2 1455 45.0   0.8 0614 49.0   4.3 62 100   0 34   10 1.6 12.8   0.3 1620 0.00 23.80 - - 70
River Rd South (Denner Ranch) 5/15/26 82.9   3.1 1528 43.7   1.5 0614 12.8   3.2 30 100   0 0   0 3.6 17.1   0.7 1815 - - - - 40
West Santa Rosa (LOV Vineyard) 5/15/26 82.3   3.3 1518 45.0   0.9 0614 45.6   5.3 56 96   1 24   13 2.6 15.1   3.3 1817 0.00 23.02 0.050   0.025 3   0 80
Guerneville Rd (Prokopakis) 5/15/26 86.5   3.1 1516 45.9   1.3 0615 46.7   4.6 55 97   2 23   9 - - - 0.00 28.14 - - 100
SunnyView Vineyard (SCWC) 5/15/26 80.9   3.1 1516 42.5   0.4 0609 45.0   4.5 56 100   0 27   8 2.6 14.9   3.4 1831 0.00 30.69 0.211   0.022 656   6 50
Guerneville Rd West (Balletto) 5/15/26 83.2   3.7 1459 44.7   0.2 0543 47.7   4.1 59 98   0 28   14 3.0 14.6   1.6 1829 0.00 28.22 - - 60
Sanchietti Ranch 5/15/26 82.0   3.8 1442 45.4   0.7 0559 51.1   1.7 - 96   1 38   8 2.7 13.7   0.4 1603 0.00 28.88 - - 70
Occidental Rd (Sebastopol) 5/15/26 82.9   3.6 1454 44.0   0.0 0603 54.3   2.5 76 100   0 37   22 2.1 11.8   0.7 1552 0.00 11.49 - - 60
Harper's Rest (Windsor-West) 5/15/26 84.6   2.0 1629 45.6   0.6 0609 43.8   5.9 - 94   2 19   6 2.3 15.2   4.1 0043 0.00 34.66 - - 90
Lower Westside Rd (Ranch 12) 5/15/26 85.8   2.9 1543 46.0   0.6 0642 43.7   6.4 50 95   2 17   5 1.8 11.1   0.8 0040 0.00 33.35 - - 100
Guerneville (Laughlin Rd) 5/15/26 88.2   3.4 1614 42.4   1.4 0608 41.6   7.3 49 97   0 13   15 3.0 17.8   5.7 1830 0.00 44.34 - - 100
Korbel (Winery) 5/15/26 88.5   3.6 1624 46.2   0.5 0618 43.1   7.7 50 95   1 9   17 1.3 20.6   7.8 1633 0.00 41.51 - - 90
Forestville (Shone Farms) 5/15/26 86.5   2.5 1602 47.1   0.1 0608 44.7   6.3 50 93   3 20   6 2.8 17.2   1.0 1856 0.00 35.56 0.233   0.026 688   17 80
Forestville-NE (Ranch 30) 5/15/26 86.7   3.1 1603 44.6   1.1 0617 47.1   5.3 57 99   0 24   10 3.1 25.1   10.9 0053 0.00 33.46 0.243   0.025 715   19 90
Foggy Bend (Ranch 41) 5/15/26 85.9   1.7 1622 46.3   0.3 0615 49.3   4.0 59 96   0 27   11 2.5 18.8   5.3 1808 0.00 34.76 0.232   0.023 715   19 100
Last Stop 5/15/26 85.6   1.7 1603 43.1   0.0 0616 46.4   5.2 57 98   0 18   15 2.4 12.7   1.5 1732 0.00 33.76 0.226   0.018 702   18 100
Green Valley Vineyard 5/15/26 84.0   0.2 1657 45.5   0.2 0554 43.7   7.0 51 93   4 22   4 2.5 15.1   3.3 0053 0.00 41.26 0.049   0.008 0   41 100
Park Royal 5/15/26 80.8   2.8 1507 44.3   0.4 0610 44.6   4.8 53 92   2 27   8 - - - 0.00 16.67 - - 70
Merino 5/15/26 80.2   2.8 1425 41.8   0.8 0611 48.0   3.6 62 100   0 36   10 2.8 14.9   1.3 2033 0.00 29.67 0.227   0.018 735   13 70
Green Valley (Sanchietti) 5/15/26 87.1   1.8 1609 42.5   0.6 0559 - - - - - - - - - - - 90
Keefer Ranch (Green Valley) 5/15/26 82.6   0.8 1708 43.1   0.3 0537 47.7   4.0 61 98   0 30   8 - - - 0.00 36.76 - - 80
Graton-West (Dutton Ranch) 5/15/26 84.8   1.2 1410 43.7   0.6 0555 46.0   6.9 57 100   0 23   8 1.9 12.1   1.4 1906 0.00 44.85 - - 100
Graton-South (Mill Station Rd) 5/15/26 81.6   2.1 1452 43.0   0.2 0632 45.6   4.4 60 97   1 22   13 0.7 7.3   0.4 1604 0.00 34.06 - - 60
Occidental (Horseshoe Bend) 5/15/26 78.0   2.4 1340 50.0   1.1 0453 44.1   5.2 - 77   15 32   1 - - - 0.00 37.05 - - 20
Sexton Valley (Jacqueline's Blk) 5/15/26 81.5   3.0 1443 44.1   0.0 0610 49.4   2.7 66 100   0 33   12 1.6 13.0   4.1 0054 0.00 22.49 - - 60
Sebastopol Hills (Burnside Rd) 5/15/26 79.5   3.2 1805 52.2   1.5 0539 47.1   4.4 54 74   18 34   9 2.4 12.8   1.6 0055 0.00 33.45 - - 0
Pleasant Hill 5/15/26 81.5   3.8 1525 45.6   0.4 0210 45.6   4.4 - 90   7 30   9 2.4 11.5   0.9 1407 0.00 31.56 - - 40
Seaview/Fort Ross (Hirsch) 5/15/26 73.4   4.8 1422 50.8   1.7 0042 41.0   4.0 50 66   20 32   2 7.0 22.6   1.8 2342 0.00 53.61 0.238   0.010 743   15 10
Max   88.5 - 59.1 - 54.3 76 100 38 7.0 25.1 - 0.00 53.61 0.254 750 -
Avg   - - - - 45.0 54 - - 2.8 - - - - - - -
Min   73.4 - 41.8 - 12.8 30 64 0 0.7 7.3 - 0.00 11.49 0.049 0 -

Sonoma County-South Daily Obs

19 Stations

Daily Data
as of 5/16/26 12:23 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 5/15/26 78.6   1.3 1340 48.6   0.5 0631 42.8   4.8 80   12 27   0 2.9   0.6 15.5   6.0 0010 NW | 324 0.00 5.84 0.180   0.016 530   12 60   20
Lower Bennett Valley 5/15/26 78.8   0.6 1245 46.2   5.9 0551 45.6   3.4 83   17 33   7 5.5   2.7 22.3   7.6 2312 NNW | 336 0.00 27.61 0.231   0.026 684   10 70   20
Kenwood (Wildwood) 5/15/26 80.7   0.2 1753 43.7   0.9 0528 45.7   4.5 95   5 26   2 3.3   0.6 17.4   3.6 1525 NNW | 347 0.00 31.95 0.220   0.011 677   5 100   0
Sonoma Valley (Bedrock) 5/15/26 83.2   1.1 1648 45.4   2.3 0607 43.3   3.7 89   8 21   2 - - - - 0.00 27.98 - - 100   0
Sonoma-West (Arnold) 5/15/26 80.6   1.7 1407 41.2   0.6 0553 45.9   3.3 100   0 28   3 4.2   1.5 19.0   1.9 2337 N | 354 0.00 17.88 0.259   0.013 785   5 100   10
Sonoma Valley HS 5/15/26 79.8   1.5 1436 44.8   0.3 0603 49.3   3.0 100   0 36   4 2.8   0.7 10.7   3.6 0046 N | 350 0.00 6.62 0.219   0.007 714   7 50   20
Sonoma East (Bundschu01) 5/15/26 80.4   0.3 1429 42.7   0.1 0555 46.2   3.3 94   3 29   5 3.0   0.1 18.8   4.4 1145 S | 184 0.00 21.64 0.226   0.007 721   6 80   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) 5/15/26 80.4   1.0 1358 43.3   0.1 0601 45.8   3.3 93   2 27   5 3.3   1.0 15.8   2.3 1638 WSW | 256 0.00 18.49 - - 60   60
Ricci Vineyards (Carneros) 5/15/26 80.7   0.4 1326 42.8   0.3 0608 46.6   3.2 95   0 30   3 4.7   1.7 19.4   6.4 1649 W | 260 0.00 22.95 0.239   0.023 722   13 60   20
Carneros (Ranch 71) 5/15/26 77.8   1.0 1234 50.2   0.2 0436 46.0   3.8 79   9 28   8 5.0   1.4 23.5   6.5 1550 W | 281 0.00 19.86 0.237   0.018 722   8 40   20
Carneros Upper (Ranch 81) 5/15/26 78.8   1.0 1427 52.0   0.9 0509 46.1   3.8 - - 6.3   1.2 25.0   8.7 1711 WNW | 288 - - - - 40   20
Carneros Lower (Ranch 81) 5/15/26 84.6   3.3 1419 44.7   0.1 0606 46.1   4.3 100   0 0   0 1.0   0.7 12.1   0.9 1715 NW | 318 0.00 19.42 0.187   0.005 613   9 60   20
Rohnert Park-West (Stony Point) 5/15/26 75.5   2.2 1431 43.5   1.4 0508 49.1   1.6 99   1 44   9 2.0   0.0 13.4   0.5 1332 SW | 235 0.00 11.83 - - 0   0
Cartograph Wines Base 5/15/26 73.0   1.0 1259 50.3   2.0 0045 49.1   2.5 81   13 49   7 4.7   0.6 19.4   1.1 1449 S | 187 0.00 28.36 0.198   0.016 701   14 0   0
Cartograph Wines Remote 5/15/26 76.5   4.3 1208 45.0   0.1 0610 - - - - - - - - - - - 0   0
Rice-Spivak Vineyard 5/15/26 76.1   0.7 1352 37.1   0.0 0602 - - - - - - - - - - - 0   0
Penngrove (Asellus) 5/15/26 76.9   1.3 1411 41.5   0.6 0613 46.6   1.8 97   1 33   9 2.5   0.3 12.6   0.9 1338 SSW | 204 0.00 50.94 - - 0   0
Petaluma (Ranch 10) 5/15/26 78.6   0.9 1438 43.2   1.5 0347 44.9   3.0 94   6 30   6 4.0   1.3 15.1   1.7 1546 WSW | 245 0.00 19.63 0.231   0.013 708   12 80   20
Max   84.6 - 52.0 - 49.3 100 49 6.3 25.0 - - 0.00 50.94 0.259 785 -
Avg   - - - - 46.2 - - 3.7 - - - - - - - -
Min   73.0 - 37.1 - 42.8 79 0 1.0 10.7 - - 0.00 5.84 0.180 530 -