readNWMdata | R Documentation |
Download hourly flow values for an NHD COMID from the National Water Model version 1.2 or 2.0. Returned data is available between "1993-01-01 00" and "2017-12-31 23" but can be subset using a startDate and endDate.
readNWMdata(
AOI = NULL,
comid = NULL,
siteID = NULL,
startDate = NULL,
endDate = NULL,
tz = "UTC",
version = 2.1,
addObs = FALSE,
add_nhd = FALSE
)
AOI |
spatial polygon or point to extract data for |
comid |
a NHD common identifier |
siteID |
a USGS NWIS site identifier (eight digits) |
startDate |
a start date (YYYY-MM-DD) or (YYYY-MM-DD HH) |
endDate |
an end date (YYYY-MM-DD) or (YYYY-MM-DD HH) |
tz |
the desired timezone of the data. Can be found with |
version |
the NWM version to extract (current = 1.2 or 2 (default)) |
addObs |
should observation data be added? Only available when !is.null(siteID) |
add_nhd |
should the NHD spatial features be added to the output |
data.frame or sf object
## Not run:
readNWMdata(comid = 101)
readNWMdata(comid = 101, version = 1.2)
readNWMdata(comid = 101, tz = "US/Pacific")
## End(Not run)
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