Hydrodata Peak Values
Hydrodata Peak Values contains data from the United States Geological Survey
Peak Value files. The daily data result from more than 100 years of observations
of stream flows, and data for the entire country is available. Data can be viewed
in Annual Peaks, Partial Peaks, Ranked Peaks, Peak Summary, and Station Remarks,
and can be printed or exported in different formats.
Hydrodata is available in all the UW science library units.
- Choose Hydrodata USGS Peak Values from the menu.
- Maximize the window.
- Choose Select from the tool bar and highlight
State.
- Type in the state postal abbreviation, or using the mouse,
highlight the state abbreviation.
- Press the Enter key or click on Replace Previous
Selection.
- Click on desired station from the displayed list.
- To search for or a specific station, choose Select from
the tool bar, then choose Station Name.
Type in the name of the station followed by an asterisk, for example: YAKIMA
RIVER*
- From the Select option on the tool bar you can also search by county,
latitude/ longitude, elevation, station id, etc. and sort by station id, county,
etc. by choosing Ordering from the menu.
- After selecting a station, click on P to display the Station Parameter window.
- The one paramater is Streamflow, measured in cubic feet per second (CFS).
- Click on the S or P
button to toggle between station list and parameters.
Choose Data from tool bar and the desired display or click
on the icon as below:
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ICON
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DATA DISPLAY
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Annual Peaks - displays the list of annual peak flows, listed
in chronological order. This view cannot be plotted.
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Partial Peaks - displays the list of annual peak flows and any
partial discharges, listed in chronological order. This view can be plotted.
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Ranked Peaks - displays the annual and partial peak values ordered
by volume of flow from highest to lowest. This view cannot be plotted.
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Peak Summary - displays summary information on the peak flows.
It is divided into two sections. The first section provides data on maximum
peak and minimum peak and maximum stage. The second section displays information
on the annual and partial peaks, and the numbre of years data has been
recorded and the number of peaks.
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Station Remarks - provides a summary of the station's history,
location, drainage, gage, period of record and extremes.
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- Plotting data is available only in the Partial Peaks view.
- After selecting a station and parameter, click on Plot from
the tool bar and choose Partial Peaks.
- To add a trace to the plot, select the current plot dates or enter desired
dates int the Use Independent Dates box.
- From the window displaying the data you wish to print, click on the printer
icon or choose File - Print from the tool bar.
- All data is printed, regardless of how much is currently displayed or highlighted,
except for in the Station window, which will only print the stations
highlighted.
Click on Mark from the tool bar and then click on Mark
Station for each of the stations to be exported.
- Choose Export or the X icon from the tool bar. For exporting
multiple stations, choose Export from the tool bar, then click on Export
Marked Stations.
- Click on STREAMFLOW CFS-PEAK and then click OK.
- Select the appropirate View and Format* from the scroll down menus under
Export Options.
- Click on the
icon on the Export tool
bar.
- Specify the drive and name the file (e.g. peaks.tab).
*Four formats are available for exporting, although not all formats are supported
for all views:
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Station Info
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Daily Data
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Daily Statistics
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Monthly Data
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Monthly Statistics
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Station History
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Tabular
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X
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X
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X
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X
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X
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X
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Delimited
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X
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X
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X
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X
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X
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Worksheet
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X
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X
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X
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X
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X
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Binary
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X
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X
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X
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X
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X
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Choose File from the tool bar, then choose Exit.
Natural Sciences Library / natsci@u.washington.edu
University of Washington
December 1997