Rattlesnake Ridge



    Information about the planted areas of this vineyard

    Grape Profile

    Grape Details

    Varietals: Petite Sirah (Durif)
    Wine Regions: Howell Mountain, Napa Valley
    Hillside Locations: Yes

    Vineyard Size

    Planted Area: 4.81 acres

    Farm Certifications

    These blocks do not have any farm certifications

    Land Profile

    Topography

    Elevation1769.01 ft.
    Slope17.7% (10.03°)
    AspectEast (88.05°)

    Solar Radiation

    Average Radiation TotalWH/m2
    Annual111543.83
    Growing Season150752.67

    Climate Indices

    Index Name
    Growing Degree-Days1736.31
    Huglin Index2289.19
    Biologically Effective Degree-Days1624.58

    Temperature & Rainfall

    AverageHi °FLow °FRain in.
    Annual68.646.641.84
    Growing Season77.551.66.78
    For more detailed information about the topography, climate, and soil of the vineyard blocks that grew these grapes, click on the individual blocks in the block list.

    What's Available

    Winegrapes

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    Bulk Wine

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    Shiners

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    Block List

    Edit History

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    Administration

    Vineyard-ID: 2193
    Created Date: Unknown
    Edit History: View Edit History of this Vineyard

    Edit Permission

    Unlocked: Anyone may edit this vineyard

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    Data Notes and References

    Notes

    Farm Certifications: See the certifications page to learn more about the farm certifications Everyvine tracks.
    Soil Horizon: Bedrock value set to "-" is not available. Available water capacity units are cm/cm.
    Solar Radiation: Area Solar radiation has been calculated in watt hours per square meter (WH/m2)
    Topography: Topography values are averaged over the block area. Aspect is expressed in positive degrees from 0 to 359.9, measured clockwise from north.

    References

    The vineyard data presented here is most often sourced from the public data sources listed below. However, Everyvine also accepts data from vineyard owners who often have even better data they have collected themseleves.

    If you have more accurate data on a vineyard go to: Data Submission page.

    Topography: Topographic and solor radiation calculations are based on 1/3 arc-second (approx. 10m) elevation models. Data provided by U.S. Geological Survey (USGS), EROS Data Center, National Elevation Dataset, http://ned.usgs.gov/, 1999
    Climate Indices: Using monthly and annual temperature data. Calculations based on methodologies described by Gregory Jones and John Gladstones. See the following:
    • Jones, G.V, Duff, A.A., Hall, A., and J. Myers (2009). Spatial analysis of climate in winegrape growing regions in the western United States.” American Journal of Enology and Viticulture, in Press Spring 2010.
    • Gladstones, J. (1992) Viticulture and environment (Winetitles: Adelaide).
    Month Climate Averages: Monthly and annual temperature and rainfall values based on 30-arcsec (800m) normals for the climatological period 1971-2000. Data provided by PRISM Climate Group, Oregon State University, http://prism.oregonstate.edu, October 31,2008
    Soil: Soil data is collected from the following sources:
    • SSURGO: Soil Survey Staff, Natural Resources Conservation Service, United States Department of Agriculture. Soil Survey Geographic (SSURGO) Database. Available online at http://soildatamart.nrcs.usda.gov.
    • STATSGO2: Soil Survey Staff, Natural Resources Conservation Service, United States Department of Agriculture. U.S. General Soil Map (STATSGO2). Available online at http://soildatamart.nrcs.usda.gov.
    • Web Soil Survey: Soil Survey Staff, Natural Resources Conservation Service, United States Department of Agriculture. Web Soil Survey. Available online at http://websoilsurvey.nrcs.usda.gov/.