condition	mean	min	max
4 h after light	4.186405000000001	4.11871	4.2541
8 h after light	10.3596	10.1866	10.5326
12 h after light	7.807595000000001	7.26916	8.34603
4 h after dark	14.22705	13.0388	15.4153
8 h after dark	7.66996	7.64152	7.6984
12 h after dark	6.449235	6.16644	6.73203