showAvailableColumns: Shows all the available Weather Data Columns
Description
Displays all the columns that are available in the website,
for the given station, and date range. Useful when only a
subset of the columns are desired. Those can be specfied
using the custom_columns vector. Note: There are
different columns available for summarized vs. detailed
data. Be sure to turn the opt_detailed flag to be
TRUE if multiple records per day is desired.
showAvailableColumns("NRT", "2014-04-04")
#if you want to see the columns for the *detailed* weather, turn on opt_detailedshowAvailableColumns("CDG", "2013-12-12", opt_detailed=T)