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

readNWISDaily(siteNumber, parameterCd = "00060", startDate = "",
  endDate = "", verbose = TRUE, interactive = NULL, 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

interactive

logical deprecated. Use 'verbose' instead

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:

NameTypeDescription
DateDateDate
QnumericDischarge in m^3/s
JulianintegerNumber of days since Jan. 1, 1850
MonthintegerMonth of the year [1-12]
DayintegerDay of the year [1-366]
DecYearnumericDecimal year
MonthSeqintegerNumber of months since January 1, 1850
QualifiercharacterQualifying code
iintegerIndex of days, starting with 1
LogQnumericNatural logarithm of Q
Q7numeric7 day running average of Q
Q30numeric30 day running average of Q

See also

Examples

# \donttest{ Daily <- readNWISDaily('01594440','00060', '1985-01-01', '1985-03-31')
#> There are 90 data points, and 90 days.
DailySuspSediment <- readNWISDaily('01594440','80154', '1985-01-01', '1985-03-31',convert=FALSE)
#> There are 90 data points, and 90 days.
# }