condition	mean	min	max
4 h after light	5.608745	5.39931	5.81818
8 h after light	4.285145	4.17857	4.39172
12 h after light	2.940405	2.77444	3.10637
4 h after dark	3.37115	3.15834	3.58396
8 h after dark	2.98846	2.83009	3.14683
12 h after dark	3.974965	3.96501	3.98492