Add Rain Data Frame to Postgres Database Via API

api_add_rain(user_id, spot_id, rain, time_string = "12:00:00",
  comment = NULL)

Arguments

user_id	user id
spot_id	bathing spot id
rain	data frame containing rain data (columns `datum`, `rain`)
time_string	time to which rain data values relate, default: `"12:00:00"`
comment	character string to be written to the field "comment" of the rain database table.