ChoptankFlow: Daily Streamflow

Description Usage Format Source Examples

Description

Selected daily flow data for Choptank River near Greensboro, Maryland, USGS station number 01491000.

Usage

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Format

Data frame with 8035 rows and 5 columns

Name Type Description
agency_cd character Agency code
site_no character USGS station number
datetime Date Day
Flow numeric Daily mean streamflow
Flow_cd character Daily mean streamflow code

Note: the daily mean streamflow rates are in cubic feet per second.

Source

Data retrieved from NWISWeb (http://nwis.waterdata.usgs.gov/md/nwis/sw) on 2012-06-19.

Examples

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data(ChoptankFlow)
# The hydrograph for the entire record retrieved
par(mfrow=c(2,1), mar=c(4.1, 4.1, 1.1, 1.1))
with(ChoptankFlow, plot(datetime, Flow, type='l'))
# The hydrograph for a "typical water year"
with(subset(ChoptankFlow, datetime >= "2003-10-01" & datetime <= "2004-09-30"),
  plot(datetime, Flow, type='l'))

USGS-R/smwrData documentation built on May 9, 2019, 8:47 p.m.