condition	mean	min	max
4 h after light	48.270250000000004	47.2836	49.2569
8 h after light	30.821150000000003	28.0579	33.5844
12 h after light	31.29875	28.6101	33.9874
4 h after dark	52.359399999999994	52.3242	52.3946
8 h after dark	52.59295	49.5682	55.6177
12 h after dark	53.7896	51.9346	55.6446