condition	mean	min	max
4 h after light	4.01931	3.91843	4.12019
8 h after light	3.33929	2.98265	3.69593
12 h after light	4.627725	4.45221	4.80324
4 h after dark	7.609835	6.72197	8.4977
8 h after dark	7.2780249999999995	6.71717	7.83888
12 h after dark	6.192215	5.5468	6.83763