condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.080602 0.0 0.241806 9 h after light 0.05765700000000001 0.0 0.172971 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 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0