condition	mean	min	max
4 h after light	6.300285	5.72495	6.87562
8 h after light	4.032220000000001	3.36599	4.69845
12 h after light	4.237115	3.77606	4.69817
4 h after dark	5.20509	3.3573	6.39486
8 h after dark	5.42604	3.31532	6.63914
12 h after dark	4.160123333333333	3.28538	4.96657