condition mean min max 3 h after light 0.07609083333333333 0.0 0.618397 7 h after light 0.0 0.0 0.0 11 h after light 0.03130215 0.0 0.162281 2 h after dark 0.021972241666666666 0.0 0.188627 6 h after dark 0.017537916666666667 0.0 0.126774 10 h after dark 0.03461979166666666 0.0 0.224681