Imports data from NWIS web service. A list of parameter and statistic codes can be found here: https://help.waterdata.usgs.gov/codes-and-parameters For raw data, use readNWISqw from the dataRetrieval package. This function will retrieve the raw data, and compress it (summing constituents). See section 3.2.4 of the vignette for more details.

readNWISSample(siteNumber, parameterCd, startDate = "", endDate = "",
  verbose = TRUE, interactive = NULL)

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

Value

A data frame 'Sample' with the following columns:

NameTypeDescription
DateDateDate
ConcLownumericLower limit of concentration
ConcHighnumericUpper limit of concentration
UncenintegerUncensored data (1=TRUE, 0=FALSE)
ConcAvenumericAverage concentration
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
SinDYnumericSine of the DecYear
CosDYnumericCosine of the DecYear

See also

Examples

# \donttest{ # These examples require an internet connection to run Sample_01075 <- readNWISSample('01594440','01075', '1985-01-01', '1985-03-31') # }