condition mean min max 4 h after light 41.132121 38.707557 43.556685 8 h after light 43.556685 43.556685 43.556685 12 h after light 41.7255165 29.691417 53.759616 4 h after dark 45.659403999999995 45.466297 45.852511 8 h after dark 46.520523 43.556685 49.484361 12 h after dark 42.321151 42.321151 42.321151