condition	mean	min	max
4 h after light	4.414385	4.11498	4.71379
8 h after light	5.26359	5.14286	5.38432
12 h after light	5.657705	5.17276	6.14265
4 h after dark	7.491385	7.09639	7.88638
8 h after dark	5.9186250000000005	5.90912	5.92813
12 h after dark	6.08437	5.91316	6.25558