condition mean min max 4 h after light 43.45095 37.2142 49.6877 8 h after light 36.0081 34.1593 37.8569 12 h after light 39.74975 36.308 43.1915 4 h after dark 42.24393333333333 41.801 43.0522 8 h after dark 52.30963333333334 51.5793 53.2911 12 h after dark 46.6472 46.0155 47.6081