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  • USGS Monthly Statistics for Arizona

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    Welcome to the NWIS-Web for the Arizona Water Science Center

    The majority of USGS Gaging Stations are funded though a cooperative program between the USGS other interested agencies.
    Follow this link for information on the Cooperative Water Program with the USGS.

    Threatened and Endangered USGS Gaging Stations in Arizona
    Colorado Basin River Forecast Center - provided by the National Weather Service, AHPS. CBRFC on Google Maps.
    Arizona Water Science Center Home Page

    The statistics generated from this site are based on approved daily-mean data and may not match those published by the USGS in official publications. The user is responsible for assessment and use of statistics from this site. For more details on why the statistics may not match, click here.