condition mean min max 4 h after light 168.9587035 158.645927 179.27148 8 h after light 271.218999 208.609073 333.828925 12 h after light 334.08642 283.350482 384.822358 4 h after dark 408.5328095 272.078211 544.987408 8 h after dark 764.828337 457.398977 1072.257697 12 h after dark 222.159051 222.159051 222.159051