View source: R/readNGWMNdata.R
Retrieve groundwater levels from the National Ground Water Monitoring Network https://cida.usgs.gov/ngwmn/.
readNGWMNlevels(siteNumbers, asDateTime = TRUE, tz = "UTC")
character Vector of feature IDs formatted with agency code and site number
separated by a period or semicolon, e.g.
logical Should dates and times be converted to date/time objects,
or returned as character? Defaults to
character to set timezone attribute of dateTime. Default is "UTC", and converts the
date times to UTC, properly accounting for daylight savings times based on the data's provided time zone offset.
Possible values to provide are "America/New_York", "America/Chicago", "America/Denver", "America/Los_Angeles",
"America/Anchorage", as well as the following which do not use daylight savings time: "America/Honolulu",
"America/Jamaica", "America/Managua", "America/Phoenix", and "America/Metlakatla". See also
# one site site <- "USGS.430427089284901" # oneSite <- readNGWMNlevels(siteNumbers = site) # multiple sites sites <- c("USGS:272838082142201", "USGS:404159100494601", "USGS:401216080362703") # multiSiteData <- readNGWMNlevels(sites) # non-USGS site site <- "MBMG.103306" # data <- readNGWMNlevels(siteNumbers = site, asDateTime = FALSE) # site with no data returns empty data frame noDataSite <- "UTGS.401544112060301" # noDataSite <- readNGWMNlevels(siteNumbers = noDataSite)
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