sunny

-module(sunny@wmo_code).
-compile([no_auto_import, nowarn_unused_vars, nowarn_unused_function, nowarn_nomatch]).

-export([to_string/1]).

-spec to_string(integer()) -> binary().
to_string(Code) ->
    case Code of
        0 ->
            <<"Clear sky"/utf8>>;

        1 ->
            <<"Mainly clear"/utf8>>;

        2 ->
            <<"Partly cloudy"/utf8>>;

        3 ->
            <<"Overcast"/utf8>>;

        45 ->
            <<"Fog"/utf8>>;

        48 ->
            <<"Depositing rime fog"/utf8>>;

        51 ->
            <<"Light drizzle"/utf8>>;

        53 ->
            <<"Moderate drizzle"/utf8>>;

        55 ->
            <<"Dense drizzle"/utf8>>;

        56 ->
            <<"Light freezing drizzle"/utf8>>;

        57 ->
            <<"Dense freezing drizzle"/utf8>>;

        61 ->
            <<"Slight rain"/utf8>>;

        63 ->
            <<"Moderate rain"/utf8>>;

        65 ->
            <<"Heavy rain"/utf8>>;

        66 ->
            <<"Light freezing rain"/utf8>>;

        67 ->
            <<"Heavy freezing rain"/utf8>>;

        71 ->
            <<"Slight snow"/utf8>>;

        73 ->
            <<"Moderate snow"/utf8>>;

        75 ->
            <<"Heavy snow"/utf8>>;

        77 ->
            <<"Snow grains"/utf8>>;

        80 ->
            <<"Slight rain shower"/utf8>>;

        81 ->
            <<"Moderate rain shower"/utf8>>;

        82 ->
            <<"Violent rain shower"/utf8>>;

        85 ->
            <<"Slight snow shower"/utf8>>;

        86 ->
            <<"Heavy snow shower"/utf8>>;

        95 ->
            <<"Slight or moderate thunderstorm"/utf8>>;

        96 ->
            <<"Thunderstorm with slight hail"/utf8>>;

        99 ->
            <<"Thunderstorm with heavy hail"/utf8>>;

        _ ->
            <<"Unknown WMO code"/utf8>>
    end.