condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.696075 0.0 1.10781 9 h after light 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 3 h after dark 0.0 0.0 0.0 6 h after dark 0.0 0.0 0.0 9 h after dark 0.36117333333333335 0.0 1.08352 12 h after dark 1.35582 0.0 3.00944