cdec_query: Query observation data

In FlowWest/CDECRetrieve: Retrieve Data from the California Data Exchange Center

Query observation data

Description

Function queries the CDEC site to obtain desired station data based on station, sensor number, duration code and start/end date. Use 'cdec_datasets()' to view an updated list of all available data at a station.

Usage

cdec_query(
  station,
  sensor_num,
  dur_code,
  start_date = NULL,
  end_date = NULL,
  tzone = "America/Los_Angeles"
)

Arguments

station	three letter identification for CDEC location (example "KWK", "SAC", "CCR")
sensor_num	sensor number for the measure of interest. (example "20", "01", "25")
dur_code	duration code for measure interval, "E", "H", "D", which correspong to Event, Hourly and Daily.
start_date	date to start the query on.
end_date	an optional date to end query on, defaults to current date.
tzone	a time zone used. By default this is America/Los_Angeles, this accounts for daylight saving.

Value

data frame containing queried data from CDEC for a specific station, sensor, and date range

Examples

## Not run: 
kwk_hourly_flows <- CDECRetrieve::cdec_query("KWK", "20", "H", "2017-01-01")
ccr_hourly_temps <- CDECRetrieve::cdec_query("CCR", "25", "H", Sys.Date())

## End(Not run)

FlowWest/CDECRetrieve documentation built on Oct. 10, 2022, 9:31 p.m.