condition	mean	min	max
4 h after light	9.66649	8.76408	10.5689
8 h after light	6.174455	5.6824	6.66651
12 h after light	6.092365	5.56788	6.61685
4 h after dark	7.23522	5.95209	8.44255
8 h after dark	10.033196666666667	9.29629	10.7339
12 h after dark	8.751416666666668	8.2127	9.59209