Validates and snaps a user-supplied date value to the first of the month, then checks it against the AET data availability window (from 1987-05-01 onwards).
Arguments
- x
User-entered date value (any format accepted by
.check_date()).
Validates and snaps a user-supplied date value to the first of the month, then checks it against the AET data availability window (from 1987-05-01 onwards).
User-entered date value (any format accepted by .check_date()).