new g_SunnyWeathers[11] = {
    0, 1, 2, 3, 5, 6, 10,
    11, 13, 14, 17, 18
};

new g_FoggyWeathers[3] = {
    4, 7, 9, 12, 15, 20
};

new g_StormyWeathers[3] = {
    8, 16, 19
};

/* Wheaters with an ID higher than 20 look weird at some moments of the day, don't use them. */