Read a gridded binary .mon file

Read a gridded binary file of the format described at ftp://ftp.cpc.ncep.noaa.gov/wd51yf/global_monthly/gridded_binary/README.txt

read_mon_file(filename, na.value = -999)

Arguments

filename	filename to read
na.value	NODATA value, to be replaced with NA

Value

360x720 matrix representing the contents of the .mon file

Details

The file must be global in extent, with 0.5-degree resolution.