condition mean min max 4 h after light 0.06677496666666667 0.0 0.10672 8 h after light 0.05834333333333333 0.020577 0.110681 12 h after light 0.020391933333333334 0.0 0.0611758 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0