condition mean min max 4 h after light 0.6969405 0.623135 0.770746 8 h after light 0.6974315 0.65836 0.736503 12 h after light 0.6499360000000001 0.647741 0.652131 4 h after dark 0.5364446666666667 0.324888 0.727604 8 h after dark 0.8829743333333333 0.673601 1.0117 12 h after dark 1.4004 1.0091 2.00255