condition	mean	min	max
4 h after light	4.123666333333333	3.1316580000000003	5.848021
8 h after light	3.373469	1.57903	5.922822
12 h after light	4.237614333333333	3.2175540000000002	5.2219430000000004
16 h after light	5.236960333333333	3.6247599999999998	8.304915
4 h after dark	2.5239576666666665	2.3097060000000003	2.928857
8 h after dark	3.0525939999999996	1.601997	4.152933999999999