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Northern Sonoma County Yesterday

25 Stations

Daily Data | America/Los_Angeles
as of 5/2/26 2:02 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) 5/1/26 76.0   2.0 1637 52.2   2.3 0020 49.0   6.4 62 85   16 38   9 4.8 14.0   6.8 0509 NNW | 329 0.00 42.02 0.191   0.048 627   68 60   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) 5/1/26 80.5   3.0 1620 47.3   2.6 0418 47.4   1.5 - - - 2.6 14.1   1.3 1509 S | 180 0.00 34.91 0.173   0.036 548   92 80   20
Cloverdale-SE (Ranch 38) 5/1/26 78.0   3.5 1609 48.1   2.5 0612 52.7   2.6 80 99   3 49   8 5.3 18.8   3.6 1813 E | 85 0.00 36.41 0.164   0.043 532   82 60   20
Geyserville-North (Hoffman) 5/1/26 79.6   2.8 1632 46.8   4.3 0313 52.4   2.4 77 97   1 46   8 2.9 12.2   0.4 1802 SSE | 155 0.00 25.50 0.149   0.033 468   100 80   20
Geyserville (Ranch 3) 5/1/26 78.3   2.5 1625 49.1   4.3 0351 52.3   2.2 78 100   0 43   7 2.7 11.6   0.2 1813 SE | 124 0.00 35.79 0.158   0.033 524   108 100   10
Geyserville-East (Ranch 40) 5/1/26 76.6   3.4 1625 47.2   1.1 0641 52.4   1.8 84 100   1 52   10 5.6 18.2   1.2 1720 S | 185 0.00 36.65 0.156   0.042 545   106 30   10
Geyserville-South (Nervo Station) 5/1/26 77.4   2.3 1627 48.0   3.7 0656 - - - - 2.5 12.1   1.0 1639 S | 175 0.00 27.02 - - 30   10
Peterson (Ranch 09) 5/1/26 77.1   2.6 1627 48.8   4.8 0236 50.8   2.4 77 98   0 41   7 2.9 12.7   1.0 1727 SSE | 158 0.00 33.46 0.141   0.031 467   100 20   20
Crazy Creek Ranch 5/1/26 78.3   2.0 1641 48.2   4.3 0228 53.2   2.4 82 100   0 49   11 2.0 10.8   2.1 1719 ESE | 110 0.00 36.92 0.155   0.034 537   102 60   20
Whitton Ranch (201e) 5/1/26 78.8   2.5 1634 44.3   3.5 0231 51.3   2.6 79 100   0 42   7 2.3 10.6   0.6 1629 S | 180 0.00 37.83 0.146   0.028 475   85 80   20
Lytton East (Shop Hill Bottom) 5/1/26 76.7   2.4 1535 48.7   6.9 0514 51.1   2.5 79 100   0 44   7 2.9 14.2   1.0 1811 SSE | 152 0.00 38.59 0.157   0.027 529   83 50   10
Lytton East (Hill 5) 5/1/26 75.7   2.9 1551 48.3   5.1 0534 51.2   1.9 80 98   0 44   5 3.8 15.1   0.2 1757 SE | 128 0.00 38.05 0.146   0.027 476   85 30   10
Lytton West Lower (Lew 6) 5/1/26 76.7   2.5 1556 47.2   6.5 0208 51.3   2.5 80 100   0 42   4 2.8 14.5   1.4 1722 S | 177 0.00 38.47 0.151   0.018 505   47 30   10
Lytton West Hill (23PS) 5/1/26 77.3   2.5 1553 49.1   4.6 0633 51.4   2.0 80 100   0 40   3 3.4 14.2   0.1 1713 SE | 131 0.00 40.19 0.160   0.031 544   93 30   10
Big River 5/1/26 76.0   2.7 1556 49.0   3.9 0219 52.1   2.3 81 100   0 51   15 3.1 13.7   1.2 1728 S | 170 0.00 35.28 0.163   0.029 565   90 30   10
Jimtown-North (Piccolo Ranch 15) 5/1/26 78.9   2.1 1550 47.4   3.8 0228 51.6   3.0 78 100   0 39   8 1.4 11.8   0.7 1523 WSW | 246 0.00 34.64 0.137   0.025 465   89 80   20
HWY 128/Chalk Hill Rd (Landslide) 5/1/26 77.8   2.4 1556 47.6   4.4 0238 51.7   2.9 78 100   0 45   13 2.3 11.1   1.2 1736 SW | 215 0.00 34.43 0.139   0.033 454   103 60   20
N Chalk Hill Rd (Ranch 63) 5/1/26 77.2   1.3 1549 46.0   3.8 0302 50.2   2.3 78 100   0 43   9 1.9 12.2   1.4 1736 S | 174 0.00 35.36 0.143   0.032 474   97 80   20
Newman Knights Valley 5/1/26 76.2   2.6 1613 46.1   2.4 0324 51.9   1.0 79 89   0 63   9 2.8 13.1   2.1 1738 SW | 218 0.00 34.74 - - 30   10
Knights Valley (Bavarian Lion) 5/1/26 77.7   1.8 1606 45.2   3.4 0339 50.8   3.0 78 98   0 43   10 1.9 11.8   0.4 1750 WNW | 294 0.00 34.43 0.162   0.023 564   61 40   20
Bavarian Lion EFW 5/1/26 79.3   2.0 1606 45.5   4.0 0333 - - - - - - - - 0.00 32.76 - - 60   20
Franz Valley (Stornetta) 5/1/26 78.0   1.6 1613 42.0   2.9 0636 50.1   2.9 - 97   0 44   10 1.5 8.5   3.4 1444 W | 263 0.00 34.92 - - 40   20
Upper Dry Creek Valley 5/1/26 78.8   2.5 1624 47.0   4.8 0245 51.2   1.9 76 98   0 43   4 3.3 13.0   0.3 1649 SE | 146 0.00 38.98 0.171   0.030 564   96 60   20
Lower Dry Creek Valley 5/1/26 77.3   2.4 1552 48.2   5.0 0214 51.8   2.2 80 100   0 40   0 2.8 15.6   1.5 1709 SSE | 147 0.00 38.00 0.153   0.027 493   89 50   10
Max   80.5 - 52.2 - 53.2 84 100 63 5.6 18.8 - - 0.00 42.02 0.191 627 -
Avg   - - - - 51.2 78 - - 2.9 - - - - - - - -
Min   75.7 - 42.0 - 47.4 62 85 38 1.4 8.5 - - 0.00 25.50 0.137 454 -

Sonoma County-Central Daily Obs

37 Stations

Daily Data
as of 5/2/26 2:02 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) 5/1/26 75.8   2.6 1525 50.2   4.1 0610 51.2   1.6 77 89   0 51   3 2.0 11.3   0.7 1620 0.00 33.87 0.148   0.029 523   96 30
Windsor-East (Ranch 16) 5/1/26 75.7   1.4 1528 48.0   6.5 0101 51.7   3.9 80 100   0 49   15 3.1 12.6   1.9 1804 0.00 26.72 0.156   0.029 538   84 0
Mark West-North (Ranch 14) 5/1/26 74.3   2.0 1519 50.6   6.4 0657 51.4   3.1 79 97   2 48   15 2.5 11.4   1.6 1921 0.00 28.72 0.022   0.005 0   0 60
Windsor-SE (Silk Rd) 5/1/26 74.5   1.6 1522 48.9   6.4 0101 52.0   3.0 82 99   1 46   9 2.4 11.8   1.1 1558 0.00 26.21 0.146   0.026 516   78 0
Fulton-NW (Ranch 5) 5/1/26 74.6   2.0 1520 49.9   6.6 0101 52.0   14.2 81 96   4 49   46 2.9 13.1   1.1 1526 0.00 29.55 0.156   0.029 553   78 0
Bisordi (Fulton) 5/1/26 74.5   1.8 1521 49.9   6.7 0101 52.8   3.1 82 95   2 59   18 2.6 12.0   1.2 1659 0.00 24.05 0.155   0.026 569   86 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) 5/1/26 74.3   2.2 1531 51.6   8.1 0707 51.6   3.0 78 94   1 52   15 0.6 11.2   0.2 1957 0.00 28.11 - - 0
Fulton-SW (Ranch 21) 5/1/26 73.1   2.4 1439 50.0   6.7 0101 42.2   25.0 74 100   0 0   0 4.0 14.4   0.5 1822 0.00 28.84 0.159   0.029 559   78 0
NW Santa Rosa (Piner Road) 5/1/26 73.0   1.1 1457 51.0   6.8 0101 54.1   3.0 90 100   0 60   14 2.4 11.6   1.0 1519 0.00 23.80 - - 0
River Rd South (Denner Ranch) 5/1/26 72.7   1.8 1431 49.3   5.8 0101 -19.4   5.0 26 100   0 0   0 4.5 16.7   0.4 1540 - - - - 0
West Santa Rosa (LOV Vineyard) 5/1/26 72.0   2.1 1435 50.7   6.2 0101 51.8   2.5 83 97   3 52   9 2.3 11.9   0.3 1502 0.00 22.68 0.020   0.002 0   0 0
Guerneville Rd (Prokopakis) 5/1/26 77.8   1.6 1442 51.0   5.0 0102 52.4   2.5 80 97   2 45   7 - - - 0.00 27.84 - - 20
SunnyView Vineyard (SCWC) 5/1/26 72.9   2.2 1450 50.4   7.8 0101 51.3   2.8 82 96   4 51   12 1.9 10.2   1.6 1507 0.00 30.31 0.136   0.021 492   73 0
Guerneville Rd West (Balletto) 5/1/26 72.2   1.9 1438 50.6   5.4 0108 53.0   2.5 86 98   2 59   10 3.1 12.1   1.3 1633 0.00 27.88 - - 0
Sanchietti Ranch 5/1/26 73.8   2.1 1451 51.6   6.1 0103 53.7   2.4 - 96   2 60   9 3.5 13.2   0.9 1828 0.00 28.46 - - 0
Occidental Rd (Sebastopol) 5/1/26 72.3   2.2 1424 48.9   4.5 0101 56.5   2.9 98 100   0 82   24 2.4 13.6   0.4 1526 0.00 11.21 - - 0
Harper's Rest (Windsor-West) 5/1/26 75.7   0.8 1522 46.5   4.9 0104 51.0   2.7 - 98   0 43   2 2.2 11.6   0.2 1759 0.00 34.44 - - 10
Lower Westside Rd (Ranch 12) 5/1/26 76.4   2.3 1522 48.5   5.8 0103 51.9   2.7 81 100   0 43   2 2.3 10.3   1.2 1807 0.00 33.14 - - 50
Guerneville (Laughlin Rd) 5/1/26 76.3   1.5 1428 48.0   2.8 0126 51.5   2.4 78 97   1 48   9 2.0 12.4   0.8 1515 0.00 44.19 - - 0
Korbel (Winery) 5/1/26 77.1   1.2 1431 50.2   3.4 0703 51.9   2.3 78 96   4 46   15 1.0 13.7   1.2 1614 0.00 41.33 - - 40
Forestville (Shone Farms) 5/1/26 76.5   1.3 1521 48.8   4.7 0626 52.0   2.1 82 98   0 44   2 2.3 11.8   0.2 1828 0.00 35.33 0.143   0.030 496   94 0
Forestville-NE (Ranch 30) 5/1/26 75.2   2.9 1524 48.4   4.2 0101 52.7   2.1 84 100   0 52   8 3.0 17.4   4.7 1213 0.00 33.25 0.149   0.031 520   89 80
Foggy Bend (Ranch 41) 5/1/26 75.1   4.7 1547 50.0   4.5 0101 53.1   2.1 83 97   0 54   18 2.1 10.2   1.7 1601 0.00 34.55 0.150   0.029 531   92 30
Last Stop 5/1/26 74.3   3.0 1529 46.2   3.9 0110 53.1   2.9 85 98   0 54   7 2.5 11.5   0.2 1540 0.00 33.56 0.143   0.027 512   87 30
Green Valley Vineyard 5/1/26 72.9   6.4 1737 47.9   5.9 0110 51.8   3.6 84 99   0 42   17 2.1 10.7   1.5 1528 0.00 41.02 0.019   0.012 0   4 10
Park Royal 5/1/26 73.6   1.6 1500 51.2   6.7 0101 51.3   2.4 81 95   5 52   13 - - - 0.00 16.26 - - 0
Merino 5/1/26 72.7   1.8 1455 50.6   7.7 0101 53.5   3.1 88 100   0 61   13 3.1 12.1   0.9 1810 0.00 29.27 0.141   0.028 530   90 0
Green Valley (Sanchietti) 5/1/26 75.2   3.6 1524 46.5   4.0 0115 - - - - - - - - - - - 30
Keefer Ranch (Green Valley) 5/1/26 72.6   3.3 1438 46.7   4.2 0101 52.5   3.0 84 98   0 54   9 - - - 0.00 36.55 - - 10
Graton-West (Dutton Ranch) 5/1/26 74.0   2.4 1424 48.4   5.2 0107 55.3   3.8 91 100   0 58   18 2.3 11.5   2.4 1535 0.00 44.54 - - 30
Graton-South (Mill Station Rd) 5/1/26 68.8   2.8 1423 45.1   3.2 0115 51.8   3.1 87 99   0 63   16 1.0 7.9   1.8 1225 0.00 33.72 - - 0
Occidental (Horseshoe Bend) 5/1/26 67.6   5.0 1433 47.2   2.2 0311 51.0   1.7 - 100   0 60   19 - - - 0.00 36.82 - - 0
Sexton Valley (Jacqueline's Blk) 5/1/26 68.7   2.4 1417 45.6   4.0 0128 52.5   2.8 89 99   0 66   12 1.4 9.7   1.8 1439 0.00 22.12 - - 0
Sebastopol Hills (Burnside Rd) 5/1/26 64.7   3.0 1401 48.8   3.8 0148 52.1   1.6 93 100   0 73   15 2.4 13.2   0.2 1506 0.00 33.21 - - 0
Pleasant Hill 5/1/26 70.4   1.5 1418 45.2   2.3 0101 51.2   2.8 - 98   0 58   13 2.7 11.5   1.6 1549 0.00 31.27 - - 0
Seaview/Fort Ross (Hirsch) 5/1/26 67.5   2.7 1742 51.6   2.3 0828 47.1   1.9 63 86   12 39   3 2.3 9.9   0.6 1509 0.00 53.49 0.155   0.029 618   61 0
Max   77.8 - 51.6 - 56.5 98 100 82 4.5 17.4 - 0.00 53.49 0.159 618 -
Avg   - - - - 49.9 81 - - 2.4 - - - - - - -
Min   64.7 - 45.1 - -19.4 26 86 0 0.6 7.9 - 0.00 11.21 0.019 0 -

Sonoma County-South Daily Obs

19 Stations

Daily Data
as of 5/2/26 2:02 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 5/1/26 71.7   1.7 1535 45.1   0.4 0547 49.5   2.7 97   4 52   14 1.8   0.3 9.6   1.9 1441 WSW | 245 0.00 5.84 0.147   0.025 553   68 0   0
Lower Bennett Valley 5/1/26 74.6   0.9 1429 47.4   9.2 0647 52.3   3.6 100   0 53   15 2.5   0.7 12.4   0.0 2052 SSW | 204 0.00 27.11 0.145   0.033 518   114 0   0
Kenwood (Wildwood) 5/1/26 76.2   1.7 1501 44.7   2.4 0247 50.7   2.1 100   0 51   13 2.2   0.5 11.4   3.2 1940 NNW | 338 0.00 31.40 0.142   0.037 503   118 0   0
Sonoma Valley (Bedrock) 5/1/26 73.2   4.9 1453 41.7   2.7 0628 48.8   2.5 97   0 51   21 - - - - 0.00 27.37 - - 0   0
Sonoma-West (Arnold) 5/1/26 72.7   5.9 1424 41.5   2.2 0604 49.8   1.8 100   0 51   13 2.1   0.6 11.3   4.7 1812 SW | 234 0.00 17.87 0.162   0.051 579   152 0   0
Sonoma Valley HS 5/1/26 70.3   6.7 1426 43.4   1.0 0615 52.1   1.4 100   0 65   20 2.1   0.2 6.0   5.9 2017 SSW | 210 0.01 6.58 0.137   0.045 515   144 0   0
Sonoma East (Bundschu01) 5/1/26 71.2   6.0 1450 42.6   2.6 0535 50.3   1.7 95   2 57   20 2.7   0.6 12.5   6.6 1658 ESE | 116 0.00 21.06 0.140   0.045 510   147 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) 5/1/26 70.4   7.7 1442 42.9   1.5 0556 50.0   1.6 96   1 57   18 1.5   0.8 11.1   6.0 1723 SSE | 155 0.00 18.04 - - 0   0
Ricci Vineyards (Carneros) 5/1/26 69.4   6.8 1642 45.2   0.3 0318 50.7   1.1 97   1 59   13 3.3   1.4 13.7   7.5 1850 W | 273 0.00 22.46 0.143   0.046 522   144 0   0
Carneros (Ranch 71) 5/1/26 68.0   7.2 1500 47.3   0.3 0546 50.8   1.3 96   2 61   17 3.0   1.2 17.2   5.3 1810 W | 259 0.00 19.43 0.135   0.045 494   143 0   0
Carneros Upper (Ranch 81) 5/1/26 69.6   5.3 1450 48.2   1.0 0601 37.8   11.4 - - 4.5   1.9 18.1   4.3 1845 WSW | 247 - - - - 0   0
Carneros Lower (Ranch 81) 5/1/26 67.7   8.3 1419 45.7   1.5 0546 45.6   3.9 100   0 0   0 1.6   0.0 11.5   2.2 1510 S | 171 0.00 19.29 0.114   0.033 419   110 0   0
Rohnert Park-West (Stony Point) 5/1/26 68.5   3.4 1316 50.6   9.5 0637 52.8   2.6 98   0 69   16 2.9   0.5 16.4   0.5 1524 WSW | 242 0.00 11.41 - - 0   0
Cartograph Wines Base 5/1/26 65.9   3.5 1258 49.8   5.2 0709 52.4   1.6 100   0 76   19 3.8   0.2 21.2   2.4 1601 SSW | 198 0.00 27.96 0.114   0.034 482   124 0   0
Cartograph Wines Remote 5/1/26 67.2   4.7 1306 50.5   8.1 0601 - - - - - - - - - - - 0   0
Rice-Spivak Vineyard 5/1/26 69.3   3.2 1349 49.8   13.8 0101 - - - - - - - - - - - 0   0
Penngrove (Asellus) 5/1/26 73.4   1.7 1354 50.2   8.9 0639 51.4   2.0 96   2 51   14 2.4   0.2 10.8   1.3 1528 W | 273 0.00 50.93 - - 0   0
Petaluma (Ranch 10) 5/1/26 75.8   2.2 1535 45.0   2.9 0228 50.9   1.8 96   4 50   7 2.2   0.5 14.2   1.1 1629 NW | 305 0.00 19.09 0.148   0.037 506   127 0   0
Max   76.2 - 50.6 - 52.8 100 76 4.5 21.2 - - 0.01 50.93 0.162 579 -
Avg   - - - - 49.7 - - 2.6 - - - - - - - -
Min   65.9 - 41.5 - 37.8 95 0 1.5 6.0 - - 0.00 5.84 0.114 419 -