ChoptankFlow: Daily Streamflow

In USGS-R/smwrData: Example hydrologic data to support statistical methods in water resources

Daily Streamflow

Description

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

Usage

ChoptankFlow

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

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 Oct. 18, 2022, 9:56 a.m.