condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.0 0.0 0.0 9 h after light 0.020418866666666667 0.0 0.0612566 12 h after light 0.0 0.0 0.0 3 h after dark 0.06576433333333333 0.0 0.197293 6 h after dark 0.0 0.0 0.0 9 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0