Statistical summaries of streamflow in Montana and adjacent areas, water years 1900 through 2002
Scientific Investigations Report
2004-5266
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Abstract
In response to the need to have more current information about streamflow characteristics in Montana, the U.S. Geological Survey, in cooperation with the Montana Department of Environmental Quality, Confederated Salish and Kootenai Tribes, and Bureau of Land Management, conducted a study to analyze streamflow data. Updated statistical summaries of streamflow characteristics are presented for 286 streamflow-gaging sites in Montana and adjacent areas having 10 or more years of record for water years 1900 through 2002. Data include the magnitude and probability of annual low and high flow, the magnitude and probability of low flow for three seasons (March-June, July-October, and November-February), flow duration of the daily mean discharge, and the monthly and annual mean discharges. For streamflow-gaging stations where 20 percent or more of the contributing drainage basin is affected by dams or other large-scale human modification, streamflow is considered regulated. Separate streamflow characteristics are presented for the unregulated and regulated periods of record for sites with sufficient data.
Suggested Citation
McCarthy, P., 2005, Statistical summaries of streamflow in Montana and adjacent areas, water years 1900 through 2002: U.S. Geological Survey Scientific Investigations Report 2004-5266, 317 p., https://doi.org/10.3133/sir20045266.
ISSN: 2328-0328 (online)
| Publication type | Report |
|---|---|
| Publication Subtype | USGS Numbered Series |
| Title | Statistical summaries of streamflow in Montana and adjacent areas, water years 1900 through 2002 |
| Series title | Scientific Investigations Report |
| Series number | 2004-5266 |
| DOI | 10.3133/sir20045266 |
| Year Published | 2005 |
| Language | ENGLISH |
| Description | 317 p. |