condition mean min max 4 h after light 50.1565315 47.988768 52.324295 8 h after light 38.335758999999996 37.182293 39.489225 12 h after light 45.7981425 37.01722 54.579065 4 h after dark 53.877615500000005 40.274464 67.480767 8 h after dark 71.5423625 67.675385 75.40934 12 h after dark 66.623959 66.623959 66.623959