condition mean min max 0 h after light 0.276118 0.241361 0.310875 4 h after light 0.38361599999999996 0.169977 0.597255 8 h after light 0.5507335 0.350986 0.750481 4 h after dark 0.661616 0.645955 0.677277 8 h after dark 1.2463575 0.848965 1.64375 12 h after dark 0.663583 0.619808 0.707358