condition	mean	min	max
4 h after light	6.759155	6.04823	7.47008
8 h after light	5.506955	5.17154	5.84237
12 h after light	6.0404	5.66293	6.41787
4 h after dark	6.17787	5.78185	6.74682
8 h after dark	6.913266666666667	6.13385	7.30765
12 h after dark	5.19582	4.83319	5.42428