condition	mean	min	max
4 h after light	3.46556	2.2572	4.67392
8 h after light	3.115415	3.06616	3.16467
12 h after light	5.572085	5.32246	5.82171
4 h after dark	7.748516666666666	6.4834	8.51114
8 h after dark	7.78242	7.56275	8.18011
12 h after dark	4.441853333333333	4.04691	4.74497