condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.0 0.0 0.0 12 h after light 0.22462466666666667 0.0 0.673874 4 h after dark 0.0 0.0 0.0 8 h after dark 0.19332433333333332 0.0 0.579973 12 h after dark 0.08664266666666666 0.0 0.259928