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Northern Sonoma County Yesterday

25 Stations

Daily Data | America/Los_Angeles
as of 5/2/26 12:16 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) 4/30/26 78.0   2.7 1521 49.9   1.0 0631 42.6   3.2 48 69   1 29   7 7.4 20.8   6.8 1947 NNW | 328 0.00 42.02 0.239   0.003 694   3 40   20
Rockpile Lower (Cooley) 5/1/26 79.6   2.3 1436 50.7   0.3 0604 50.6   6.4 66 90   17 43   16 1.8 9.1   5.7 1647 SE | 134 0.00 41.42 - - 60   20
Cloverdale-East (Ranch 83) 4/30/26 83.5   0.3 1545 44.7   1.4 0433 48.9   1.7 - - - 3.3 15.4   0.8 0551 NNE | 20 0.00 34.91 0.209   0.011 640   29 60   20
Cloverdale-SE (Ranch 38) 4/30/26 81.5   1.4 1638 45.6   0.5 0451 50.0   1.7 67 96   4 41   7 5.8 22.5   2.5 0533 SSW | 193 0.00 36.41 0.207   0.004 613   8 40   20
Geyserville-North (Hoffman) 4/30/26 82.5   0.1 1515 42.4   0.6 0544 50.0   1.8 71 96   0 38   6 2.8 12.6   2.5 1411 SE | 126 0.00 25.50 0.182   0.009 568   7 60   20
Geyserville (Ranch 3) 4/30/26 80.8   1.0 1557 44.9   0.4 0610 50.1   1.8 72 100   0 36   6 2.5 11.4   2.4 1439 ESE | 119 0.00 35.79 0.191   0.012 632   11 90   20
Geyserville-East (Ranch 40) 4/30/26 80.0   1.2 1537 46.1   1.1 0624 50.6   1.6 75 99   2 41   8 5.3 17.0   4.5 1600 SSE | 156 0.00 36.65 0.198   0.009 651   6 40   20
Geyserville-South (Nervo Station) 4/30/26 79.7   1.5 1540 44.3   0.4 0627 - - - - 1.9 11.1   5.7 1637 SSE | 153 0.00 27.02 - - 40   20
Peterson (Ranch 09) 4/30/26 79.7   0.7 1548 44.0   0.1 0629 48.4   1.5 72 98   2 34   6 2.6 11.7   1.3 1821 S | 191 0.00 33.46 0.172   0.010 567   19 0   10
Crazy Creek Ranch 4/30/26 80.3   0.4 1557 43.9   0.1 0550 50.8   1.4 76 100   0 38   1 2.0 12.9   0.4 1624 SSE | 164 0.00 36.92 0.189   0.007 639   15 40   20
Whitton Ranch (201e) 4/30/26 81.3   1.7 1544 40.8   0.9 0614 48.7   1.7 74 100   0 35   5 2.3 11.2   1.0 1831 SSW | 199 0.00 37.83 0.174   0.010 560   21 60   20
Lytton East (Shop Hill Bottom) 4/30/26 79.1   0.7 1453 41.8   1.5 0609 48.7   1.4 74 100   1 37   12 2.6 13.2   3.7 1620 SE | 139 0.00 38.59 0.184   0.015 612   31 60   20
Lytton East (Hill 5) 4/30/26 78.6   0.5 1538 43.2   0.5 0618 49.4   1.4 75 98   1 39   7 3.5 15.0   4.2 1739 SSE | 165 0.00 38.05 0.173   0.016 562   28 40   20
Lytton West Lower (Lew 6) 4/30/26 79.2   0.4 1532 40.8   1.4 0608 48.8   1.6 76 100   0 39   9 2.4 13.2   5.3 1607 SE | 138 0.00 38.47 0.169   0.015 552   33 40   20
Lytton West Hill (23PS) 4/30/26 79.7   0.2 1500 44.5   0.1 0618 49.4   1.7 74 100   1 37   11 3.6 14.0   1.7 1553 SSE | 166 0.00 40.19 0.191   0.015 637   16 40   20
Big River 4/30/26 78.7   1.1 1452 45.1   0.1 0619 49.8   0.9 75 100   0 36   6 2.4 12.4   6.0 1617 SSW | 192 0.00 35.28 0.192   0.014 656   30 40   20
Jimtown-North (Piccolo Ranch 15) 4/30/26 81.0   1.8 1531 43.6   0.8 0517 48.6   1.7 72 100   0 31   5 1.1 12.5   4.0 1458 ESE | 102 0.00 34.64 0.162   0.011 554   23 60   20
HWY 128/Chalk Hill Rd (Landslide) 4/30/26 80.2   1.4 1452 43.2   0.0 0401 48.8   1.1 71 100   0 31   1 2.2 12.4   0.8 1523 SW | 233 0.00 34.43 0.172   0.003 558   3 40   20
N Chalk Hill Rd (Ranch 63) 4/30/26 78.6   1.3 1520 42.2   0.2 0421 47.9   1.1 72 100   0 34   1 1.8 10.7   5.1 1551 SSE | 158 0.00 35.36 0.175   0.007 571   10 60   20
Newman Knights Valley 4/30/26 78.9   1.7 1530 43.7   1.9 0303 50.9   1.6 75 89   0 54   0 2.1 11.0   3.6 1550 WSW | 237 0.00 34.74 - - 40   20
Knights Valley (Bavarian Lion) 4/30/26 79.5   1.1 1526 41.8   2.0 0614 47.8   1.6 72 98   0 32   6 1.9 11.4   2.2 1448 SW | 224 0.00 34.43 0.185   0.006 625   16 20   20
Bavarian Lion EFW 4/30/26 81.3   2.0 1532 41.5   1.6 0604 - - - - - - - - 0.00 32.76 - - 40   20
Franz Valley (Stornetta) 4/30/26 79.7   2.0 1541 39.2   0.6 0615 47.2   1.5 - 97   0 33   3 1.5 11.9   2.7 1700 SSE | 147 0.00 34.92 - - 20   20
Upper Dry Creek Valley 4/30/26 81.3   0.1 1542 42.2   1.2 0624 49.3   2.0 72 98   1 39   15 2.9 12.7   1.4 1355 ESE | 113 0.00 38.98 0.201   0.003 660   7 40   20
Lower Dry Creek Valley 4/30/26 79.7   0.9 1452 43.2   0.0 0555 49.6   1.7 75 100   0 40   15 2.6 14.1   2.9 1715 ESE | 113 0.00 38.00 0.180   0.016 582   30 60   20
Max   83.5 - 50.7 - 50.9 76 100 54 7.4 22.5 - - 0.00 42.02 0.239 694 -
Avg   - - - - 49.0 72 - - 2.8 - - - - - - - -
Min   78.0 - 39.2 - 42.6 48 69 29 1.1 9.1 - - 0.00 25.50 0.162 552 -

Sonoma County-Central Daily Obs

37 Stations

Daily Data
as of 5/2/26 12:16 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) 4/30/26 78.5   0.7 1425 46.0   1.0 0510 49.6   0.3 74 89   7 48   15 1.7 12.0   1.8 1640 0.00 33.87 0.177   0.010 620   28 40
Windsor-East (Ranch 16) 4/30/26 77.1   0.7 1437 41.6   2.3 0414 47.8   0.4 76 100   0 34   3 2.7 14.5   0.6 1756 0.00 26.72 0.185   0.008 623   29 0
Mark West-North (Ranch 14) 4/30/26 76.2   1.6 1416 44.3   3.4 0434 48.3   0.4 75 99   1 33   4 2.0 13.0   0.0 1806 0.00 28.72 0.027   0.003 0   0 60
Windsor-SE (Silk Rd) 4/30/26 76.1   0.7 1407 42.5   3.5 0518 49.0   0.3 79 100   1 37   13 2.0 12.8   0.4 1757 0.00 26.21 0.172   0.014 595   41 0
Fulton-NW (Ranch 5) 4/30/26 76.6   1.1 1409 43.3   3.5 0508 37.8   9.5 64 100   0 3   0 2.5 14.2   0.7 1504 0.00 29.55 0.185   0.007 631   27 0
Bisordi (Fulton) 4/30/26 76.3   1.1 1411 43.2   3.6 0502 49.7   0.8 79 98   0 41   4 2.2 13.2   2.3 1844 0.00 24.05 0.181   0.010 654   26 0
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) 4/30/26 76.6   1.3 1433 43.5   4.5 0548 48.6   0.8 75 96   0 36   3 0.6 11.5   5.8 1951 0.00 28.11 - - 0
Fulton-SW (Ranch 21) 4/30/26 75.5   0.5 1354 43.3   4.1 0528 17.3   8.3 51 100   0 0   0 3.4 14.9   0.9 1814 0.00 28.84 0.188   0.011 636   36 0
NW Santa Rosa (Piner Road) 4/30/26 74.1   0.7 1441 44.2   3.4 0526 51.1   0.8 86 100   0 46   4 2.0 12.6   2.0 1419 0.00 23.80 - - 0
River Rd South (Denner Ranch) 4/30/26 74.6   0.7 1331 43.6   2.7 0407 -14.4   5.0 28 100   0 0   0 3.9 16.2   0.7 1529 - - - - 0
West Santa Rosa (LOV Vineyard) 4/30/26 74.2   1.1 1444 44.6   3.1 0510 49.3   0.3 80 100   0 43   0 1.6 12.2   1.5 1538 0.00 22.68 0.022   0.009 0   0 0
Guerneville Rd (Prokopakis) 4/30/26 79.4   0.2 1405 46.0   2.2 0417 50.0   0.6 78 99   0 38   1 - - - 0.00 27.84 - - 30
SunnyView Vineyard (SCWC) 4/30/26 75.2   0.6 1343 42.6   2.0 0356 48.5   0.6 80 100   0 39   1 1.7 11.8   0.4 1722 0.00 30.31 0.157   0.013 564   37 0
Guerneville Rd West (Balletto) 4/30/26 74.1   0.9 1345 45.2   2.0 0236 50.5   0.4 83 100   0 48   2 2.6 13.4   0.1 1438 0.00 27.88 - - 0
Sanchietti Ranch 4/30/26 75.9   1.3 1327 45.4   3.2 0339 51.3   0.6 - 98   0 51   3 3.1 14.1   0.2 1543 0.00 28.46 - - 0
Occidental Rd (Sebastopol) 4/30/26 74.5   0.8 1314 44.4   1.1 0242 53.6   0.8 93 100   0 58   0 2.3 13.2   2.2 1511 0.00 11.21 - - 0
Harper's Rest (Windsor-West) 4/30/26 76.5   1.2 1501 41.6   3.3 0511 48.3   0.9 - 98   0 41   15 2.3 11.4   0.3 1803 0.00 34.44 - - 20
Lower Westside Rd (Ranch 12) 4/30/26 78.7   1.6 1429 42.7   3.4 0519 49.2   1.4 76 100   0 40   16 1.8 11.4   3.2 1709 0.00 33.14 - - 60
Guerneville (Laughlin Rd) 4/30/26 77.8   0.0 1310 45.2   0.5 0622 49.1   1.4 76 98   1 39   5 2.2 13.2   0.4 1510 0.00 44.19 - - 0
Korbel (Winery) 4/30/26 78.3   0.7 1324 46.8   0.1 0642 49.6   1.0 75 100   0 31   2 0.7 12.5   3.0 1449 0.00 41.33 - - 20
Forestville (Shone Farms) 4/30/26 77.8   2.4 1537 44.1   2.0 0445 50.0   1.5 78 98   0 42   16 2.3 11.6   3.2 1411 0.00 35.33 0.173   0.010 589   25 10
Forestville-NE (Ranch 30) 4/30/26 78.1   0.8 1516 44.2   1.6 0235 50.6   1.5 80 100   0 44   14 2.6 12.7   2.7 1711 0.00 33.25 0.180   0.012 610   32 60
Foggy Bend (Ranch 41) 4/30/26 79.8   0.6 1620 45.4   1.4 0317 51.0   1.2 79 98   0 36   2 1.9 11.9   4.6 1526 0.00 34.55 0.179   0.017 623   28 40
Last Stop 4/30/26 77.2   1.1 1604 42.3   2.1 0159 50.2   1.2 80 99   0 48   19 2.2 11.7   1.5 1554 0.00 33.56 0.170   0.011 599   21 40
Green Valley Vineyard 4/30/26 79.3   3.5 1615 42.1   3.0 0550 48.2   0.9 77 98   0 25   2 2.1 12.3   5.7 1446 0.00 41.02 0.031   0.033 4   110 20
Park Royal 4/30/26 75.2   0.8 1359 44.6   2.4 0536 48.9   0.4 79 100   0 39   1 - - - 0.00 16.26 - - 0
Merino 4/30/26 74.5   0.7 1405 42.9   3.0 0432 50.4   0.7 85 100   0 48   2 2.6 13.1   1.1 1519 0.00 29.27 0.169   0.014 620   41 0
Green Valley (Sanchietti) 5/1/26 75.2   3.6 1524 46.5   4.0 0115 - - - - - - - - - - - 30
Keefer Ranch (Green Valley) 4/30/26 75.9   0.3 1628 42.5   2.2 0341 49.5   0.7 79 98   0 45   16 - - - 0.00 36.55 - - 20
Graton-West (Dutton Ranch) 4/30/26 76.4   0.7 1555 43.3   2.5 0355 51.5   1.3 83 100   0 40   13 1.9 13.8   1.3 1510 0.00 44.54 - - 40
Graton-South (Mill Station Rd) 4/30/26 71.6   1.4 1333 41.9   2.1 0255 48.6   0.9 81 99   0 47   1 1.0 9.8   0.5 1452 0.00 33.72 - - 0
Occidental (Horseshoe Bend) 4/30/26 72.6   1.0 1538 45.0   0.7 0606 49.3   1.1 - 100   0 41   5 - - - 0.00 36.82 - - 0
Sexton Valley (Jacqueline's Blk) 4/30/26 71.1   1.2 1345 41.6   3.2 0358 49.7   0.9 83 99   0 54   0 1.3 11.5   4.2 1613 0.00 22.12 - - 0
Sebastopol Hills (Burnside Rd) 4/30/26 67.6   1.2 1237 45.1   2.2 0629 50.5   0.1 87 100   0 58   1 2.4 13.0   3.6 1631 0.00 33.21 - - 0
Pleasant Hill 4/30/26 71.9   2.0 1251 42.9   2.0 0247 48.4   0.3 - 98   0 45   2 2.3 13.2   0.1 1517 0.00 31.27 - - 0
Seaview/Fort Ross (Hirsch) 4/30/26 70.2   0.3 1646 49.3   0.7 0125 45.2   2.8 58 74   4 42   15 2.7 9.2   2.5 1248 0.00 53.49 0.184   0.004 680   1 0
Max   79.8 - 49.3 - 53.6 93 100 58 3.9 16.2 - 0.00 53.49 0.188 680 -
Avg   - - - - 46.5 76 - - 2.1 - - - - - - -
Min   67.6 - 41.6 - -14.4 28 74 0 0.6 9.2 - 0.00 11.21 0.022 0 -

Sonoma County-South Daily Obs

19 Stations

Daily Data
as of 5/2/26 12:16 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 4/30/26 73.4   1.3 1459 45.5   0.0 0604 46.8   0.0 93   1 38   2 2.1   0.2 11.5   0.3 1428 SSE | 153 0.00 5.84 0.172   0.001 621   5 0   0
Lower Bennett Valley 4/30/26 75.5   1.7 1401 38.2   4.5 0453 48.8   0.6 100   0 38   7 3.1   0.4 12.4   4.2 1746 SE | 124 0.00 27.11 0.178   0.001 633   3 0   0
Kenwood (Wildwood) 4/30/26 77.9   1.0 1433 42.3   0.1 0648 48.6   0.7 100   0 38   1 2.8   1.1 14.6   3.4 1556 NNW | 340 0.00 31.40 0.179   0.001 621   2 0   0
Sonoma Valley (Bedrock) 4/30/26 78.0   0.3 1537 39.0   2.5 0638 46.2   1.2 98   1 30   4 - - - - 0.00 27.37 - - 0   0
Sonoma-West (Arnold) 4/30/26 78.6   1.5 1502 39.3   2.4 0537 48.0   1.0 100   0 38   2 2.6   0.4 16.0   3.9 1643 SW | 227 0.00 17.87 0.213   0.005 731   7 0   0
Sonoma Valley HS 4/30/26 77.0   0.1 1541 42.4   2.1 0613 50.8   1.1 100   0 45   1 2.3   0.1 11.9   1.8 1728 SW | 230 0.00 6.57 0.182   0.005 659   9 0   0
Sonoma East (Bundschu01) 4/30/26 77.3   0.6 1607 40.1   0.8 0605 48.7   1.1 98   1 38   3 3.3   0.0 19.1   1.3 1741 WSW | 250 0.00 21.06 0.185   0.010 658   15 0   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) 4/30/26 78.1   0.0 1611 41.4   1.2 0618 48.4   0.7 95   0 39   1 2.2   0.2 17.2   2.3 1732 WSW | 253 0.00 18.04 - - 0   0
Ricci Vineyards (Carneros) 4/30/26 76.2   0.6 1605 44.9   1.2 0658 49.6   0.1 96   1 45   2 4.7   1.3 21.3   1.4 1745 WNW | 286 0.00 22.46 0.189   0.012 667   19 0   0
Carneros (Ranch 71) 4/30/26 75.1   0.6 1612 47.0   0.5 0514 49.5   0.7 95   5 44   1 4.2   0.8 22.5   6.6 1754 WSW | 252 0.00 19.43 0.180   0.017 637   34 0   0
Carneros Upper (Ranch 81) 4/30/26 74.9   1.2 1626 47.2   1.1 0535 49.2   1.1 - - 6.4   0.9 22.4   10.2 1829 W | 259 - - - - 0   0
Carneros Lower (Ranch 81) 4/30/26 75.9   1.5 1713 44.2   0.9 0406 49.6   1.6 100   0 0   0 1.5   0.1 13.7   0.0 1249 SSE | 164 0.00 19.29 0.147   0.013 529   30 0   0
Rohnert Park-West (Stony Point) 4/30/26 71.9   1.9 1303 41.1   4.8 0420 50.2   0.8 99   0 53   6 2.4   0.8 15.9   3.7 1538 SW | 223 0.00 11.41 - - 0   0
Cartograph Wines Base 4/30/26 69.4   1.6 1229 44.7   2.9 0645 50.8   0.4 100   0 57   7 3.6   1.4 23.6   1.2 1528 S | 186 0.00 27.96 0.148   0.005 606   28 0   0
Cartograph Wines Remote 4/30/26 71.8   2.3 1220 42.5   3.5 0334 - - - - - - - - - - - 0   0
Rice-Spivak Vineyard 4/30/26 72.5   2.0 1251 36.0   4.8 0343 - - - - - - - - - - - 0   0
Penngrove (Asellus) 4/30/26 75.1   1.9 1356 41.4   3.0 0435 49.4   0.3 98   0 37   10 2.3   0.5 12.1   0.6 1700 SW | 221 0.00 50.93 - - 0   0
Petaluma (Ranch 10) 4/30/26 78.0   0.9 1500 42.0   6.4 0616 49.0   0.5 100   4 44   6 2.7   1.0 15.3   0.0 1714 NW | 320 0.00 19.09 0.185   0.000 633   15 0   0
Max   78.6 - 47.2 - 50.8 100 57 6.4 23.6 - - 0.00 50.93 0.213 731 -
Avg   - - - - 49.0 - - 3.1 - - - - - - - -
Min   69.4 - 36.0 - 46.2 93 0 1.5 11.5 - - 0.00 5.84 0.147 529 -