condition	mean	min	max
4 h after light	6.335455	5.36599	7.30492
8 h after light	7.39539	7.39263	7.39815
12 h after light	9.154910000000001	8.8717	9.43812
4 h after dark	10.980033333333333	10.407	11.4521
8 h after dark	10.6838	10.531	10.7907
12 h after dark	7.904669999999999	7.46947	8.3487