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Northern Sonoma County Yesterday

25 Stations

Daily Data | America/Los_Angeles
as of 5/18/26 11:24 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) 5/17/26 68.2   2.3 1544 40.6   2.6 0620 31.8   5.6 47 79   3 11   27 11.6 37.9   7.2 1505 N | 7 0.00 42.13 0.236   0.028 741   21 70   10
Rockpile Lower (Cooley) 5/17/26 72.9   4.6 1538 44.5   2.8 0550 31.0   7.0 41 74   5 9   25 5.8 26.8   9.6 1630 NNW | 337 0.00 41.49 - - 60   10
Cloverdale-East (Ranch 83) 5/17/26 76.3   1.0 1407 50.8   2.3 0607 31.2   7.1 - - - 6.8 30.0   7.0 1502 ENE | 67 0.00 35.00 0.258   0.015 703   22 100   20
Cloverdale-SE (Ranch 38) 5/17/26 75.1   0.2 1551 49.4   0.7 0616 33.6   6.3 39 65   1 12   17 12.8 35.5   0.8 1538 NW | 325 0.00 36.51 0.273   0.017 651   5 100   10
Geyserville-North (Hoffman) 5/17/26 80.7   2.4 1637 51.4   1.7 0536 34.8   5.5 38 59   2 12   16 6.3 25.4   2.3 1408 N | 2 0.00 25.50 0.236   0.000 620   13 100   0
Geyserville (Ranch 3) 5/17/26 76.5   1.5 1432 52.6   1.1 0626 31.3   7.0 34 55   0 8   15 8.1 25.1   1.4 1459 N | 6 0.00 35.88 0.270   0.000 713   22 100   0
Geyserville-East (Ranch 40) 5/17/26 75.8   1.7 1512 49.4   1.0 0629 33.5   7.2 38 66   3 12   16 7.9 39.9   12.9 1543 NNE | 33 0.00 36.80 0.262   0.024 701   15 100   0
Geyserville-South (Nervo Station) 5/17/26 78.4   0.0 1333 52.4   0.5 0457 - - - - 7.7 31.9   1.3 0106 NW | 310 0.00 27.02 - - 100   0
Peterson (Ranch 09) 5/17/26 76.1   1.9 1427 52.4   0.7 0445 28.9   7.9 31 53   0 7   14 10.7 33.9   5.4 0145 NW | 312 0.00 33.60 0.288   0.011 677   20 60   20
Crazy Creek Ranch 5/17/26 75.8   2.1 1405 46.0   6.9 0635 34.8   7.1 40 84   25 13   16 4.9 26.6   1.5 1421 NW | 320 0.00 37.11 0.240   0.019 709   16 100   0
Whitton Ranch (201e) 5/17/26 76.7   2.0 1359 52.6   0.3 0445 31.9   7.1 34 56   1 9   15 7.7 26.9   2.5 0130 NW | 325 0.00 37.97 0.256   0.010 654   13 100   0
Lytton East (Shop Hill Bottom) 5/17/26 76.8   0.4 1345 50.3   2.1 0606 30.8   7.9 34 60   2 8   17 9.2 29.0   2.9 1504 N | 2 0.00 38.76 0.276   0.023 709   17 100   0
Lytton East (Hill 5) 5/17/26 75.6   1.0 1323 49.8   2.6 0600 31.0   8.0 34 62   3 8   17 12.9 31.7   0.7 0248 WNW | 290 0.00 38.22 0.279   0.018 640   15 100   10
Lytton West Lower (Lew 6) 5/17/26 77.1   0.1 1430 50.5   1.9 0618 31.9   7.4 35 61   2 8   16 8.8 25.6   2.8 1504 NW | 318 0.00 38.65 0.255   0.012 622   15 100   0
Lytton West Hill (23PS) 5/17/26 77.2   0.6 1441 51.0   1.8 0611 31.8   7.5 35 59   1 8   17 9.9 33.1   9.2 1556 NNE | 12 0.00 40.37 0.288   0.032 676   13 100   0
Big River 5/17/26 76.5   2.1 1423 50.7   2.6 0605 34.1   6.4 37 62   3 13   15 5.8 29.2   0.8 1515 NNW | 347 0.00 35.49 0.255   0.009 742   16 100   0
Jimtown-North (Piccolo Ranch 15) 5/17/26 77.2   0.4 1417 47.1   6.4 0559 30.9   7.3 34 71   16 9   13 6.1 30.7   5.7 1447 NNW | 342 0.00 34.87 0.252   0.019 640   16 100   0
HWY 128/Chalk Hill Rd (Landslide) 5/17/26 78.4   1.8 1402 44.2   8.4 0634 31.8   8.0 36 90   31 10   13 5.7 28.7   7.0 1545 NNE | 26 0.00 34.74 0.243   0.020 612   20 100   0
N Chalk Hill Rd (Ranch 63) 5/17/26 76.6   0.9 1415 49.8   2.9 0626 31.1   7.1 34 62   6 11   14 6.2 30.2   5.6 1658 NE | 50 0.00 35.63 0.250   0.004 632   14 100   0
Newman Knights Valley 5/17/26 74.8   4.2 1336 39.4   5.6 0608 44.6   3.6 57 87   5 39   10 5.1 32.4   10.4 1500 NE | 34 0.00 35.05 - - 100   0
Knights Valley (Bavarian Lion) 5/17/26 74.2   4.5 1618 38.8   9.2 0635 28.7   10.4 41 97   18 10   14 4.7 24.7   2.8 1511 N | 6 0.00 34.74 0.248   0.006 702   17 100   0
Bavarian Lion EFW 5/17/26 77.2   3.6 1349 40.1   7.5 0620 - - - - - - - - 0.00 33.11 - - 100   0
Franz Valley (Stornetta) 5/17/26 75.7   2.8 1645 41.2   10.8 0623 28.2   10.1 - 91   32 10   14 4.6 28.2   2.5 1501 NNW | 331 0.00 35.29 - - 100   0
Upper Dry Creek Valley 5/17/26 77.2   1.7 1426 50.9   2.5 0534 32.7   6.8 36 60   2 8   20 4.7 20.2   1.4 1639 NNE | 30 0.00 39.08 0.235   0.014 721   15 90   10
Lower Dry Creek Valley 5/17/26 76.4   1.7 1645 51.1   2.1 0337 32.7   7.3 36 61   4 7   19 10.4 31.0   5.8 1456 NNW | 348 0.00 38.16 0.276   0.012 663   14 100   0
Max   80.7 - 52.6 - 44.6 57 97 39 12.9 39.9 - - 0.00 42.13 0.288 742 -
Avg   - - - - 32.3 38 - - 7.7 - - - - - - - -
Min   68.2 - 38.8 - 28.2 31 53 7 4.6 20.2 - - 0.00 25.50 0.235 612 -

Sonoma County-Central Daily Obs

37 Stations

Daily Data | America/Los_Angeles
as of 5/18/26 11:24 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) 5/17/26 79.3   0.6 1645 52.8   2.0 0556 36.4   6.4 38 61   1 14   18 6.5 22.6   3.8 1014 0.00 34.10 0.257   0.043 704   18 90
Windsor-East (Ranch 16) 5/17/26 76.9   2.7 1420 44.9   8.7 0613 31.4   8.1 35 79   22 11   14 5.8 29.3   9.6 1551 0.00 27.00 0.257   0.005 711   24 100
Mark West-North (Ranch 14) 5/17/26 75.7   2.8 1428 51.2   3.2 0526 30.5   7.8 32 59   4 11   13 4.4 27.8   17.2 1506 0.00 29.03 0.102   0.036 0   0 60
Windsor-SE (Silk Rd) 5/17/26 77.4   1.5 1436 52.8   2.4 0555 31.8   7.1 33 56   1 11   13 5.5 25.5   5.8 1558 0.00 26.47 0.255   0.010 704   20 100
Fulton-NW (Ranch 5) 5/17/26 76.7   1.8 1424 52.4   3.2 0605 32.0   7.6 33 58   2 12   14 7.1 28.3   6.5 1601 0.00 29.89 0.272   0.012 716   21 100
Bisordi (Fulton) 5/17/26 77.6   1.7 1429 51.5   3.5 0550 36.2   6.5 39 64   4 16   15 6.4 30.8   8.1 1545 0.00 24.35 0.269   0.022 755   20 100
Windsor-South (Laughlin Rd) 5/17/26 78.8   0.5 1436 51.4   3.1 0554 27.7   11.1 27 59   4 12   13 - - - 0.00 28.55 - - 100
Fulton-SE (Barnes Rd) 5/17/26 79.5   1.5 1342 50.9   2.8 0531 36.6   4.9 39 67   4 16   11 3.9 24.3   0.2 1355 0.00 28.57 - - 100
Fulton-SW (Ranch 21) 5/17/26 77.8   2.0 1423 51.7   3.0 0546 31.6   7.6 33 59   3 12   13 7.1 31.2   9.1 1551 0.00 29.17 0.285   0.021 732   14 100
NW Santa Rosa (Piner Road) 5/17/26 79.3   2.8 1427 47.6   4.2 0625 37.2   6.7 42 89   24 16   13 2.3 24.7   15.7 1507 0.00 23.80 - - 100
River Rd South (Denner Ranch) 5/17/26 78.5   1.9 1443 46.0   3.0 0609 32.2   8.1 35 85   7 11   13 7.0 37.3   8.8 1621 - - - - 80
West Santa Rosa (LOV Vineyard) 5/17/26 77.0   2.6 1432 45.9   6.7 0608 32.0   7.2 36 84   19 11   13 5.5 30.2   11.4 1607 0.00 23.02 0.124   0.027 10   2 100
Guerneville Rd (Prokopakis) 5/17/26 77.9   2.2 1443 46.0   3.0 0614 33.4   7.8 39 89   0 11   12 - - - 0.00 28.14 - - 100
SunnyView Vineyard (SCWC) 5/17/26 76.8   3.9 1416 43.4   8.1 0614 32.4   6.6 37 87   29 12   12 4.2 25.0   5.8 1525 0.00 30.69 0.232   0.002 664   18 90
Guerneville Rd West (Balletto) 5/17/26 78.2   1.7 1440 43.7   5.1 0603 35.9   7.3 44 93   7 14   13 5.3 27.6   10.2 1632 0.00 28.22 - - 100
Sanchietti Ranch 5/17/26 79.0   1.8 1402 44.0   3.1 0551 38.9   6.8 - 92   6 17   12 5.5 28.9   11.0 1611 0.00 28.88 - - 100
Occidental Rd (Sebastopol) 5/17/26 78.0   2.1 1425 42.4   3.1 0615 39.0   8.9 51 100   0 15   16 5.3 34.2   12.1 1509 0.00 11.49 - - 100
Harper's Rest (Windsor-West) 5/17/26 75.1   2.4 1450 49.3   3.3 0042 30.9   6.6 - 60   6 9   15 4.2 20.6   0.7 1528 0.00 34.66 - - 100
Lower Westside Rd (Ranch 12) 5/17/26 80.3   0.5 1450 50.0   4.4 0042 32.6   4.7 36 70   18 10   12 2.7 19.7   1.4 1427 0.00 33.35 - - 100
Guerneville (Laughlin Rd) 5/17/26 78.5   1.8 1443 46.5   2.0 0051 31.9   4.5 36 72   5 7   12 3.6 25.7   8.2 1502 0.00 44.34 - - 100
Korbel (Winery) 5/17/26 78.3   2.0 1449 48.5   3.9 0037 34.0   4.1 40 82   22 8   15 2.7 34.0   10.3 1617 0.00 41.51 - - 100
Forestville (Shone Farms) 5/17/26 79.4   1.6 1446 52.4   2.3 0415 31.9   6.7 32 55   2 10   13 5.3 27.5   3.7 1504 0.00 35.56 0.252   0.008 691   17 100
Forestville-NE (Ranch 30) 5/17/26 77.1   1.5 1402 50.5   3.0 0647 35.8   5.1 37 67   12 15   11 5.9 27.2   3.7 1606 0.00 33.46 0.253   0.006 716   19 100
Foggy Bend (Ranch 41) 5/17/26 78.8   1.2 1453 50.0   1.0 0635 39.7   4.0 41 73   5 21   11 6.1 28.9   5.6 1556 0.00 34.76 0.258   0.011 718   18 100
Last Stop 5/17/26 77.6   1.7 1432 41.5   8.1 0610 36.7   5.1 47 96   22 14   14 3.0 21.7   3.8 1816 0.00 33.76 0.224   0.001 712   19 100
Green Valley Vineyard 5/17/26 76.6   2.5 1431 45.5   9.0 0611 32.5   5.3 37 78   18 10   12 3.0 23.7   6.6 1819 0.00 41.26 0.069   0.005 0   0 100
Park Royal 5/17/26 77.7   2.4 1400 43.9   6.0 0613 30.6   7.8 34 84   16 10   13 - - - 0.00 16.67 - - 100
Merino 5/17/26 77.2   2.8 1402 41.1   3.6 0612 36.5   6.8 44 99   10 16   13 4.2 26.4   8.2 1639 0.00 29.67 0.241   0.002 730   14 100
Green Valley (Sanchietti) 5/17/26 78.9   4.2 1444 41.0   7.1 0607 - - - - - - - - - - - 100
Keefer Ranch (Green Valley) 5/17/26 77.5   2.9 1451 40.8   9.3 0553 39.4   4.1 55 97   16 16   12 - - - 0.00 36.76 - - 100
Graton-West (Dutton Ranch) 5/17/26 78.4   2.8 1453 42.3   7.6 0620 36.7   3.5 50 100   8 11   11 3.9 25.8   7.7 1626 0.00 44.85 - - 100
Graton-South (Mill Station Rd) 5/17/26 77.0   1.9 1434 40.8   3.0 0618 34.5   6.9 50 96   6 11   12 2.1 16.4   4.1 1415 0.00 34.06 - - 100
Occidental (Horseshoe Bend) 5/17/26 75.2   1.5 1418 49.0   5.3 0549 32.5   6.7 - 72   10 10   15 - - - 0.00 37.05 - - 30
Sexton Valley (Jacqueline's Blk) 5/17/26 76.2   2.1 1501 42.0   5.7 0609 39.6   5.3 55 98   12 17   13 3.2 21.6   8.6 1508 0.00 22.49 - - 100
Sebastopol Hills (Burnside Rd) 5/17/26 75.0   0.2 1459 49.3   2.4 0525 35.9   6.9 42 71   3 17   15 3.9 25.5   10.3 1814 0.00 33.45 - - 0
Pleasant Hill 5/17/26 75.9   2.5 1447 40.8   5.2 0604 33.1   7.7 - 96   8 13   13 4.2 24.9   8.9 1619 0.00 31.56 - - 80
Seaview/Fort Ross (Hirsch) 5/17/26 67.8   0.7 1411 46.0   1.1 0509 36.7   1.4 50 70   0 31   4 7.9 27.2   0.4 1039 0.00 53.61 0.216   0.004 729   14 0
Max   80.3 - 52.8 - 39.7 55 100 31 7.9 37.3 - 0.00 53.61 0.285 755 -
Avg   - - - - 34.4 40 - - 4.8 - - - - - - -
Min   67.8 - 40.8 - 27.7 27 55 7 2.1 16.4 - 0.00 11.49 0.069 0 -

Sonoma County-South Daily Obs

19 Stations

Daily Data
as of 5/18/26 11:24 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 5/17/26 71.7   5.3 1706 45.2   2.2 0614 29.0   9.6 75   3 12   14 3.0   0.3 23.7   9.4 1502 NW | 318 0.00 5.84 0.188   0.015 579   41 70   10
Lower Bennett Valley 5/17/26 74.2   4.0 1311 41.9   9.7 0627 33.0   8.0 88   22 12   14 6.4   0.5 32.1   11.0 1629 NW | 320 0.00 27.61 0.257   0.020 687   16 100   10
Kenwood (Wildwood) 5/17/26 74.6   3.8 1343 41.9   5.2 0555 32.3   9.4 91   6 13   13 4.4   0.3 31.0   13.7 1521 NNE | 16 0.00 31.95 0.234   0.013 684   19 100   0
Sonoma Valley (Bedrock) 5/17/26 74.1   4.5 1250 49.0   3.8 0614 29.8   8.6 65   7 10   12 - - - - 0.00 27.98 - - 100   0
Sonoma-West (Arnold) 5/17/26 76.8   1.7 1627 43.7   7.2 0611 31.3   10.0 85   12 10   14 5.4   0.2 29.2   4.5 1816 NNW | 347 0.00 17.88 0.286   0.028 796   19 100   0
Sonoma Valley HS 5/17/26 76.4   2.5 1310 47.0   7.8 0609 35.5   8.8 83   19 15   13 4.9   0.9 26.8   16.9 1359 N | 3 0.00 6.62 0.258   0.037 726   16 90   20
Sonoma East (Bundschu01) 5/17/26 77.2   2.4 1614 41.0   9.9 0619 32.8   7.6 92   19 11   11 5.8   0.6 39.0   18.8 1711 NNW | 345 0.00 21.64 0.273   0.018 723   10 100   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) 5/17/26 77.0   2.5 1314 41.9   10.6 0611 32.7   8.2 91   22 11   13 4.3   1.8 24.5   4.4 1506 NNE | 31 0.00 18.49 - - 100   20
Ricci Vineyards (Carneros) 5/17/26 76.9   0.7 1353 45.8   4.3 0555 32.4   9.4 81   8 10   18 6.3   2.8 26.5   6.1 1659 NNE | 26 0.00 22.95 0.270   0.010 735   19 100   20
Carneros (Ranch 71) 5/17/26 74.7   1.4 1324 47.0   4.8 0527 30.8   10.5 78   8 10   18 5.4   3.8 26.9   0.1 1700 NW | 324 0.00 19.86 0.262   0.002 729   14 80   20
Carneros Upper (Ranch 81) 5/17/26 74.6   2.2 1359 47.3   4.4 0525 29.4   11.1 - - 8.0   2.5 34.9   7.0 1629 NNE | 17 - - - - 80   20
Carneros Lower (Ranch 81) 5/17/26 75.6   6.3 1629 44.5   4.1 0601 32.9   9.8 92   20 12   15 4.0   2.0 26.0   11.7 1727 NW | 322 0.00 19.42 0.234   0.045 610   6 100   20
Rohnert Park-West (Stony Point) 5/17/26 76.6   0.6 1401 40.3   3.8 0600 37.5   8.3 96   7 17   17 4.9   1.3 29.4   12.5 1511 NNE | 20 0.00 11.83 - - 60   60
Cartograph Wines Base 5/17/26 76.5   3.8 1446 45.2   2.7 0538 37.2   8.8 87   3 17   20 6.0   1.0 33.2   15.6 1516 NNE | 23 0.00 28.36 0.251   0.052 707   20 0   0
Cartograph Wines Remote 5/17/26 78.0   3.1 1416 42.0   2.0 0601 - - - - - - - - - - - 20   20
Rice-Spivak Vineyard 5/17/26 78.4   3.2 1437 33.2   3.2 0546 - - - - - - - - - - - 60   60
Penngrove (Asellus) 5/17/26 76.1   1.0 1446 43.3   0.6 0503 33.7   9.4 88   0 11   15 6.9   2.1 29.7   11.6 1704 NW | 318 12.85 64.05 - - 80   20
Petaluma (Ranch 10) 5/17/26 78.5   2.9 1425 47.9   1.9 0517 33.5   8.5 76   5 11   16 6.0   0.5 24.6   5.9 1453 N | 11 0.00 19.63 0.261   0.023 713   18 100   0
Max   78.5 - 49.0 - 37.5 96 17 8.0 39.0 - - 12.85 64.05 0.286 796 -
Avg   - - - - 32.7 - - 5.5 - - - - - - - -
Min   71.7 - 33.2 - 29.0 65 10 3.0 23.7 - - 0.00 5.84 0.188 579 -