condition mean min max 2 h after light 0.0 0.0 0.0 6 h after light 0.0 0.0 0.0 10 h after light 0.03360886666666667 0.0 0.107543 14 h after light 0.0 0.0 0.0 18 h after light 0.013817266666666666 0.0 0.0829036 2 h after dark 0.0 0.0 0.0