condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.02446645 0.0122729 0.03666 12 h after light 0.004687785 0.0 0.00937557 4 h after dark 0.005532166666666667 0.0 0.0165965 8 h after dark 0.0052373 0.0 0.0157119 12 h after dark 0.0 0.0 0.0