readNWISDaily {EGRET}R Documentation

Import NWIS Daily Data for EGRET analysis

Description

Imports daily data from NWIS web service. This function gets the data from here: https://waterservices.usgs.gov/

Usage

readNWISDaily(siteNumber, parameterCd = "00060", startDate = "",
  endDate = "", verbose = TRUE, convert = TRUE)

Arguments

siteNumber

character USGS site number. This is usually an 8 digit number

parameterCd

character USGS parameter code. This is usually an 5 digit number.

startDate

character starting date for data retrieval in the form YYYY-MM-DD.

endDate

character ending date for data retrieval in the form YYYY-MM-DD.

verbose

logical specifying whether or not to display progress message

convert

logical Option to include a conversion from cfs to cms (35.314667). The default is TRUE, which is appropriate for using NWIS data in the EGRET package. Set this to FALSE to not include the conversion. If the parameter code is not 00060 (NWIS discharge), there is no conversion applied.

Value

A data frame 'Daily' with the following columns:

Name Type Description
Date Date Date
Q numeric Discharge in m^3/s
Julian integer Number of days since Jan. 1, 1850
Month integer Month of the year [1-12]
Day integer Day of the year [1-366]
DecYear numeric Decimal year
MonthSeq integer Number of months since January 1, 1850
Qualifier character Qualifying code
i integer Index of days, starting with 1
LogQ numeric Natural logarithm of Q
Q7 numeric 7 day running average of Q
Q30 numeric 30 day running average of Q

See Also

readNWISdv, populateDaily

Examples



Daily <- readNWISDaily('01594440','00060',
                       '1985-01-01', '1985-03-31')
DailySuspSediment <- readNWISDaily('01594440','80154',
                                   '1985-01-01', '1985-03-31',
                                   convert = FALSE)


[Package EGRET version 3.0.9 Index]