condition	mean	min	max
0 h after light	2.87678	2.63553	3.11803
4 h after light	2.104045	1.82531	2.38278
8 h after light	2.6928	2.41001	2.97559
4 h after dark	5.659165	4.68915	6.62918
8 h after dark	4.33539	4.06448	4.6063
12 h after dark	4.13017	3.40576	4.85458