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Northern Sonoma County Yesterday

25 Stations

Daily Data | America/Los_Angeles
as of 4/18/26 1:18 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) 4/17/26 70.0   3.0 1458 45.6   9.7 0627 23.1   11.1 28 40   60 15   5 6.7 22.6   5.0 0514 N | 4 0.00 40.48 0.218   0.036 649   3 10   10
Rockpile Lower (Cooley) 4/17/26 73.0   3.4 1501 49.2   9.3 0551 24.3   11.9 27 49   45 13   6 3.2 13.6   5.0 1516 W | 281 0.00 39.91 - - 10   10
Cloverdale-East (Ranch 83) 4/17/26 78.0   3.4 1703 44.6   0.3 0638 31.8   4.6 - - - 3.8 16.0   4.3 0700 NNE | 26 0.00 33.20 0.196   0.013 616   3 40   20
Cloverdale-SE (Ranch 38) 4/17/26 76.9   2.5 1622 43.5   0.2 0655 31.7   5.5 38 70   22 16   1 5.9 19.2   1.1 0916 SE | 138 0.00 34.80 0.203   0.023 592   0 0   10
Geyserville-North (Hoffman) 4/17/26 77.7   2.5 1602 43.4   1.8 0101 33.5   3.7 43 88   2 15   1 3.8 14.4   5.0 0347 WNW | 292 0.00 25.50 0.187   0.016 553   8 40   20
Geyserville (Ranch 3) 4/17/26 75.3   1.0 1614 45.6   0.9 0046 31.9   3.2 40 88   2 13   2 3.9 13.9   2.0 0325 WNW | 297 0.00 34.16 0.193   0.013 581   3 70   20
Geyserville-East (Ranch 40) 4/17/26 75.0   0.3 1427 45.0   2.5 0413 31.6   2.8 38 67   28 16   3 5.0 21.0   11.1 1648 S | 190 0.00 35.07 0.209   0.017 627   1 10   10
Geyserville-South (Nervo Station) 4/17/26 74.5   0.4 1504 44.7   1.1 0638 - - - - 3.3 17.5   1.3 0227 WSW | 258 0.00 27.02 - - 10   10
Peterson (Ranch 09) 4/17/26 75.3   1.6 1533 44.0   1.6 0652 29.9   2.7 39 88   2 11   5 4.3 16.3   0.2 0345 NNW | 346 0.00 31.90 0.186   0.008 564   9 0   0
Rawah - Crazy Creek 4/17/26 75.4   1.5 1611 38.4   2.1 0644 34.6   0.8 49 90   9 17   6 2.3 14.1   14.1 0110 NW | 315 0.00 35.06 0.185   0.001 626   8 0   10
Whitton Ranch (201e) 4/17/26 75.6   0.9 1505 41.3   4.4 0056 30.9   3.0 40 92   1 12   4 3.2 11.8   3.1 0409 N | 0 0.00 36.13 0.181   0.010 562   6 10   10
Lytton East (Shop Hill Bottom) 4/17/26 76.3   1.8 1529 41.2   3.2 0657 29.8   3.3 38 90   0 9   3 3.8 16.8   3.3 0143 WNW | 298 0.00 36.80 0.202   0.017 632   5 10   10
Lytton East (Hill 5) 4/17/26 75.0   1.9 1434 42.5   1.6 0633 30.1   3.3 38 85   2 10   2 5.2 20.0   0.5 0505 NW | 312 0.00 36.29 0.198   0.018 570   3 10   10
Lytton West Lower (Lew 6) 4/17/26 75.1   1.4 1504 41.9   3.3 0657 31.0   3.5 40 94   2 10   3 3.6 13.9   0.3 0318 NW | 309 0.00 36.68 0.198   0.020 634   6 10   10
Lytton West Hill (23PS) 4/17/26 76.6   2.4 1537 45.8   0.3 0055 30.3   3.0 38 83   7 10   4 4.2 15.3   1.2 0259 NNW | 330 0.00 38.35 0.210   0.018 653   5 40   20
Big River 4/17/26 73.7   1.8 1523 44.4   0.3 0616 31.6   1.5 39 82   12 17   6 2.6 13.9   0.1 1603 S | 183 0.00 33.35 0.196   0.014 666   1 0   0
Jimtown-North (Piccolo Ranch 15) 4/17/26 75.5   0.8 1512 40.4   1.1 0643 31.5   2.1 41 86   14 13   3 2.2 19.1   3.5 0301 NNE | 22 0.00 32.76 0.156   0.017 516   1 10   10
HWY 128/Chalk Hill Rd (Landslide) 4/17/26 76.1   3.2 1505 35.4   2.4 0646 33.2   3.2 50 94   6 14   7 2.5 16.2   3.6 0114 NNE | 13 0.00 32.33 0.168   0.025 531   9 10   10
N Chalk Hill Rd (Ranch 63) 4/17/26 74.4   2.1 1457 34.3   3.3 0647 32.0   0.3 48 94   6 15   5 2.2 13.6   4.2 1642 SSE | 159 0.00 33.23 0.168   0.007 550   4 40   20
Newman Knights Valley 4/17/26 73.0   2.8 1536 41.2   2.1 0017 41.4   0.8 55 84   3 40   3 3.9 25.8   3.1 0113 WNW | 300 0.00 32.89 - - 10   10
Knights Valley (Bavarian Lion) 4/17/26 73.7   2.6 1504 40.2   0.1 0059 26.0   2.9 33 92   6 13   7 4.1 24.6   2.3 0425 NNW | 332 0.00 32.56 0.207   0.024 620   8 20   10
Bavarian Lion EFW 4/17/26 74.9   2.7 1528 40.8   0.6 0059 - - - - - - - - 0.00 30.91 - - 10   10
Franz Valley (Stornetta) 4/17/26 74.0   2.6 1520 36.2   1.5 0721 28.6   3.7 - 92   6 11   6 2.3 17.9   7.4 0107 NW | 321 0.00 32.76 - - 20   10
Upper Dry Creek Valley 4/17/26 77.1   2.1 1633 40.0   5.5 0549 33.5   3.7 48 92   9 12   1 2.5 13.6   1.9 0839 WNW | 299 0.00 37.30 0.194   0.011 649   5 20   10
Lower Dry Creek Valley 4/17/26 76.9   1.2 1542 41.5   3.2 0557 32.9   2.5 45 92   8 11   3 2.6 12.0   4.2 0241 NNW | 328 0.00 36.27 0.179   0.007 592   5 40   20
Max   78.0 - 49.2 - 41.4 55 94 40 6.7 25.8 - - 0.00 40.48 0.218 666 -
Avg   - - - - 31.1 41 - - 3.6 - - - - - - - -
Min   70.0 - 34.3 - 23.1 27 40 9 2.2 11.8 - - 0.00 25.50 0.156 516 -

Sonoma County-Central Daily Obs

37 Stations

Daily Data
as of 4/18/26 1:18 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) 4/17/26 74.9   3.6 1412 46.2   0.5 0028 35.5   1.7 46 84   2 19   5 1.5 11.8   2.8 1505 0.00 31.87 0.179   0.019 622   8 0
Windsor-East (Ranch 16) 4/17/26 75.2   2.7 1454 41.1   2.4 0042 29.8   0.3 40 95   5 14   7 2.7 13.8   5.3 0500 0.00 24.87 0.188   0.009 619   19 10
Mark West-North (Ranch 14) 4/17/26 73.5   0.8 1337 42.8   1.0 0636 29.5   0.2 38 89   9 12   5 2.0 11.4   8.6 1625 0.00 26.75 0.045   0.029 0   0 60
Windsor-SE (Silk Rd) 4/17/26 73.0   0.0 1457 36.2   3.8 0648 33.1   0.3 51 96   4 13   5 2.3 13.0   3.5 1519 0.00 24.20 0.179   0.010 609   10 10
Fulton-NW (Ranch 5) 4/17/26 73.1   0.4 1341 39.7   2.1 0647 31.6   3.5 43 95   5 14   11 2.9 13.5   4.9 1447 0.00 27.24 0.193   0.007 617   15 10
Bisordi (Fulton) 4/17/26 72.6   0.2 1432 40.8   0.6 0630 34.9   0.2 47 93   4 19   7 2.5 14.9   10.9 0215 0.00 22.00 0.192   0.018 664   7 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) 4/17/26 73.6   2.2 1411 44.2   2.5 0058 32.5   1.4 42 87   9 17   6 2.7 13.7   1.2 1457 0.00 26.02 - - 10
Fulton-SW (Ranch 21) 4/17/26 72.9   0.3 1342 43.0   2.2 0047 31.5   17.8 43 94   6 14   13 3.8 15.0   6.5 1448 0.00 26.63 0.206   0.006 659   14 0
NW Santa Rosa (Piner Road) 4/17/26 72.2   0.1 1349 39.4   1.0 0642 36.8   0.1 55 100   0 18   6 2.1 13.7   4.1 1526 0.00 23.80 - - 0
River Rd South (Denner Ranch) 4/17/26 72.3   2.6 1333 37.8   2.7 0651 23.7   26.2 43 100   0 0   0 3.6 18.0   3.3 1540 - - - - 20
West Santa Rosa (LOV Vineyard) 4/17/26 71.9   0.6 1355 40.0   1.6 0633 33.7   0.6 50 95   5 13   6 2.3 15.3   8.5 1518 0.00 20.45 0.048   0.024 0   0 10
Guerneville Rd (Prokopakis) 4/17/26 75.4   2.6 1352 39.6   3.1 0623 36.2   0.6 53 96   3 11   4 - - - 0.00 26.04 - - 40
SunnyView Vineyard (SCWC) 4/17/26 72.9   0.3 1346 34.6   4.6 0626 33.2   0.7 52 95   5 11   3 1.9 13.1   3.9 1447 0.00 28.09 0.167   0.015 584   10 20
Guerneville Rd West (Balletto) 4/17/26 71.8   1.1 1335 38.4   4.8 0637 36.6   0.5 56 95   4 15   4 2.8 15.5   1.1 1618 0.00 25.76 - - 0
Sanchietti Ranch 4/17/26 72.2   1.2 1328 39.0   2.3 0657 38.1   0.6 - 94   4 20   7 3.0 15.3   5.2 1424 0.00 26.24 - - 0
Occidental Rd (Sebastopol) 4/17/26 71.9   0.9 1332 37.0   4.7 0653 41.9   1.9 69 100   0 24   5 2.7 19.1   0.0 1431 0.00 9.59 - - 0
Harper's Rest (Windsor-West) 4/17/26 73.5   0.1 1412 37.0   3.0 0642 32.0   1.3 - 94   4 12   4 2.1 10.3   4.2 1647 0.00 32.53 - - 0
Lower Westside Rd (Ranch 12) 4/17/26 74.7   1.7 1435 36.1   3.5 0646 33.3   2.7 55 94   6 11   3 1.5 12.9   1.0 1613 0.00 31.27 - - 10
Guerneville (Laughlin Rd) 4/17/26 72.6   2.2 1359 33.5   8.9 0644 34.3   6.3 62 98   0 13   6 1.8 16.2   4.2 1402 0.00 42.44 - - 10
Korbel (Winery) 4/17/26 72.2   1.0 1237 36.3   7.8 0655 36.2   4.6 62 100   0 13   7 0.5 10.4   5.2 1436 0.00 39.55 - - 0
Forestville (Shone Farms) 4/17/26 74.9   0.6 1353 38.8   0.9 0642 32.5   3.6 47 94   4 14   6 2.3 12.8   2.4 1444 0.00 33.39 0.178   0.003 605   8 10
Forestville-NE (Ranch 30) 4/17/26 73.6   2.7 1318 35.1   5.8 0613 36.9   2.9 62 98   2 18   4 2.2 13.8   3.0 1457 0.00 31.35 0.184   0.006 630   3 40
Foggy Bend (Ranch 41) 4/17/26 73.2   0.7 1517 35.4   6.3 0655 38.4   2.9 62 97   1 22   3 2.2 13.4   1.3 1552 0.00 32.60 0.184   0.005 624   12 10
Rawah - Last Stop 4/17/26 71.5   1.0 1333 33.7   4.3 0622 36.5   2.5 61 94   5 16   3 2.1 13.2   3.7 1458 0.00 31.68 0.176   0.005 628   1 10
Green Valley Vineyard 4/17/26 70.6   2.2 1435 37.6   2.1 0632 30.9   6.1 44 90   8 11   4 2.6 13.2   1.3 1457 0.00 38.85 0.051   0.007 0   3 0
Park Royal 4/17/26 72.5   1.1 1331 38.7   1.8 0644 31.7   1.6 45 93   7 12   6 - - - 0.00 14.22 - - 0
Merino 4/15/26 67.6   2.5 1557 38.1   0.3 0704 47.0   1.2 83 100   0 52   0 2.2 15.3   0.5 1831 0.00 27.19 0.138   0.006 543   44 0
Green Valley (Sanchietti) 4/17/26 72.5   1.1 1514 32.7   6.2 0618 - - - - - - - - - - - 10
Keefer Ranch (Green Valley) 4/17/26 71.4   1.7 1455 34.6   3.8 0544 36.6   3.0 63 97   1 15   3 - - - 0.03 34.47 - - 10
Graton-West (Dutton Ranch) 4/17/26 72.6   0.6 1228 34.6   5.0 0636 36.5   3.7 65 100   0 12   2 1.9 12.8   2.9 1441 0.00 41.97 - - 10
Graton-South (Mill Station Rd) 4/17/26 69.8   3.3 1243 32.4   7.1 0645 34.5   2.0 60 96   3 13   6 1.0 9.6   0.4 1613 0.00 31.50 - - 0
Occidental (Horseshoe Bend) 4/17/26 68.0   2.3 1430 45.1   1.5 0012 28.8   6.8 - 92   8 16   7 - - - 0.00 35.06 - - 0
Sexton Valley (Jacqueline's Blk) 4/17/26 69.4   2.7 1313 33.8   5.0 0645 37.1   2.3 64 98   2 18   5 1.7 16.7   1.9 1442 0.00 19.58 - - 0
Sebastopol Hills (Burnside Rd) 4/17/26 66.5   5.1 1221 45.2   1.4 0036 34.4   3.7 49 94   5 20   6 2.9 13.7   1.6 0157 0.00 31.17 - - 0
Pleasant Hill 4/17/26 69.8   1.9 1216 41.8   0.5 0059 31.2   2.8 - 95   3 14   5 3.0 14.6   0.7 1553 0.00 29.14 - - 0
Seaview/Fort Ross (Hirsch) 4/17/26 64.5   0.4 1646 48.5   10.6 0628 25.2   12.4 31 57   40 16   10 3.3 15.3   1.3 0452 0.00 51.11 0.185   0.021 649   4 0
Max   75.4 - 48.5 - 41.9 69 100 24 3.8 19.1 - 0.03 51.11 0.206 664 -
Avg   - - - - 33.7 52 - - 2.3 - - - - - - -
Min   64.5 - 32.4 - 23.7 31 57 0 0.5 9.6 - 0.00 9.59 0.045 0 -

Sonoma County-South Daily Obs

19 Stations

Daily Data
as of 4/18/26 1:18 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 4/17/26 70.4   1.3 1445 44.4   2.6 0352 24.8   0.9 58   39 17   10 2.7   0.3 12.1   6.2 0220 SW | 234 0.00 5.84 0.172   0.008 592   16 0   0
Lower Bennett Valley 4/17/26 71.3   0.2 1418 33.3   2.2 0533 32.1   2.5 100   0 18   9 2.6   1.5 13.3   7.8 1505 SW | 217 0.00 25.19 0.175   0.024 606   10 0   0
Kenwood (Wildwood) 4/17/26 72.4   0.9 1440 42.1   0.8 0040 26.8   1.3 79   21 16   8 3.4   0.8 19.0   3.2 0208 E | 94 0.00 29.50 0.185   0.020 594   16 0   0
Sonoma Valley (Bedrock) 4/17/26 71.9   0.6 1633 41.5   0.4 0040 22.6   0.3 74   22 12   6 - - - - 0.00 25.65 - - 10   10
Sonoma-West (Arnold) 4/17/26 74.1   1.3 1454 39.5   0.9 0035 27.6   1.2 86   14 15   8 4.4   0.8 25.7   3.4 0232 NW | 322 0.00 17.86 0.234   0.011 700   19 10   10
Sonoma Valley HS 4/17/26 73.2   0.7 1455 43.2   0.1 0056 32.1   1.0 89   11 20   9 2.8   1.4 14.6   6.4 0221 N | 5 0.00 6.43 0.193   0.022 637   17 10   10
Sonoma East (Bundschu01) 4/17/26 73.9   1.5 1518 39.5   2.0 0041 27.4   0.1 89   8 14   5 3.9   1.8 17.1   11.0 0410 WSW | 256 0.00 19.50 0.213   0.025 649   15 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) 4/17/26 76.7   2.1 1403 40.8   0.3 0040 25.5   1.2 89   6 12   4 3.6   0.8 16.8   4.7 0419 NNW | 337 0.00 16.71 - - 0   0
Ricci Vineyards (Carneros) 4/17/26 74.1   1.5 1513 45.0   4.0 0018 28.3   0.3 86   12 13   4 5.0   0.1 16.4   6.1 1656 W | 280 0.00 20.81 0.222   0.002 656   12 0   0
Carneros (Ranch 71) 4/17/26 73.0   0.3 1447 47.5   2.0 0058 25.3   0.7 75   24 12   4 4.7   0.3 20.2   2.0 0336 NW | 325 0.00 18.04 0.223   0.001 646   11 0   0
Carneros Upper (Ranch 81) 4/17/26 74.6   2.5 1504 50.4   4.3 2311 23.6   23.7 - - 6.8   0.7 23.9   2.2 0436 N | 6 - - - - 0   0
Carneros Lower (Ranch 81) 4/17/26 77.7   4.9 1520 43.1   1.5 0058 27.4   5.7 86   14 14   14 2.5   2.1 14.0   5.3 0203 N | 0 0.00 17.96 0.176   0.027 535   3 0   0
Rohnert Park-West (Stony Point) 4/17/26 69.5   2.5 1323 38.5   1.3 0641 37.0   1.7 94   6 18   5 2.5   1.0 17.1   0.5 1555 WSW | 251 0.00 9.14 - - 0   0
Cartograph Wines Base 4/17/26 67.9   0.2 1233 45.8   2.4 0059 35.5   6.4 95   4 19   9 4.1   0.6 21.0   2.3 1551 W | 259 0.00 25.72 0.179   0.008 624   9 0   0
Cartograph Wines Remote 4/17/26 70.5   3.1 1227 38.5   1.6 0454 - - - - - - - - - - - 0   0
Rice-Spivak Vineyard 4/17/26 70.9   0.8 1219 29.6   3.2 0513 - - - - - - - - - - - 0   0
Penngrove (Asellus) 4/17/26 71.5   0.0 1345 35.8   5.7 0622 34.2   4.8 97   1 17   9 2.3   1.2 12.8   5.6 1405 W | 272 0.00 47.51 - - 0   0
Petaluma (Ranch 10) 4/17/26 74.6   0.2 1505 34.4   11.1 0642 33.5   6.0 91   9 15   8 2.4   0.9 13.5   5.0 1517 WNW | 296 0.00 17.41 0.188   0.001 620   6 0   0
Max   77.7 - 50.4 - 37.0 100 20 6.8 25.7 - - 0.00 47.51 0.234 700 -
Avg   - - - - 29.0 - - 3.6 - - - - - - - -
Min   67.9 - 29.6 - 22.6 58 12 2.3 12.1 - - 0.00 5.84 0.172 535 -