condition mean min max 0 h after light 32.73865 31.2689 34.2084 4 h after light 4.548065 3.09891 5.99722 8 h after light 3.44078 2.91492 3.96664 4 h after dark 10.29553 9.46496 11.1261 8 h after dark 8.924 7.5515 10.2965 12 h after dark 14.786850000000001 10.306 19.2677