condition	mean	min	max
4 h after light	17.943797	17.859746	18.027848
8 h after light	11.910212	11.518889	12.301535
12 h after light	16.675804	13.272866	20.078742
4 h after dark	15.353017	15.353017	15.353017
8 h after dark	13.4148835	12.523151	14.306616
12 h after dark	22.681345	22.681345	22.681345