condition mean min max 4 h after light 136.257026 124.991134 147.522918 8 h after light 174.31732549999998 159.09894 189.535711 12 h after light 195.648608 172.359683 218.937533 4 h after dark 236.815052 175.945332 297.684772 8 h after dark 203.674443 156.962983 250.385903 12 h after dark 149.252479 149.252479 149.252479