condition mean min max 0 h after light 0.1840205 0.122826 0.245215 4 h after light 0.2417685 0.0 0.483537 8 h after light 0.181952 0.0 0.363904 4 h after dark 0.120892 0.0 0.241784 8 h after dark 0.120753 0.0 0.241506 12 h after dark 0.42321549999999997 0.367328 0.479103