condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.0193593 0.0 0.0580779 12 h after light 0.0 0.0 0.0 4 h after dark 0.028143166666666667 0.0 0.0844295 8 h after dark 0.0453031 0.0 0.093709 12 h after dark 0.018503866666666667 0.0 0.0555116