condition	mean	min	max
0 h after light	6.5825	6.09002	7.07498
4 h after light	7.02583	5.49985	8.55181
8 h after light	3.779945	3.39231	4.16758
4 h after dark	6.168215	5.65159	6.68484
8 h after dark	5.44377	4.78825	6.09929
12 h after dark	5.70617	5.213	6.19934