Reads and combines multiple IMD data files.
Arguments
- file_paths
Character vector of file paths.
- var_type
Variable type: "rain", "tmax", or "tmin".
- resolution
Resolution (for rainfall): 0.25 or 1.0.
- years
Integer vector. Years corresponding to each file.
- bbox
Optional named list/vector (north, south, east, west) passed to the rainfall reader to crop at read time; NULL reads the full grid (default).
