condition	mean	min	max
4 h after light	3.9293449999999996	3.64897	4.20972
8 h after light	2.2867699999999997	1.68576	2.88778
12 h after light	2.78575	2.77704	2.79446
4 h after dark	4.75772	4.03317	5.48227
8 h after dark	6.303415	5.83019	6.77664
12 h after dark	5.47849	5.42364	5.53334