condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.14112166666666667 0.035039 0.196548 12 h after light 0.08702533333333333 0.0 0.261076 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0