condition mean min max 4 h after light 11.58775 11.4761 11.6994 8 h after light 12.591899999999999 11.5343 13.6495 12 h after light 12.7927 11.495 14.0904 4 h after dark 14.7954 14.2816 15.3092 8 h after dark 13.31265 13.2417 13.3836 12 h after dark 13.7273 13.3056 14.149