condition	mean	min	max
4 h after light	5.55029	3.47946	7.62112
8 h after light	8.940805	7.67011	10.2115
12 h after light	12.4474	12.1619	12.7329
4 h after dark	13.718	12.3796	14.9496
8 h after dark	13.013666666666667	12.3556	14.2971
12 h after dark	7.792413333333333	7.30412	8.28285