condition	mean	min	max
4 h after light	9.3046	7.7731	10.8361
8 h after light	3.1137449999999998	2.91604	3.31145
12 h after light	0.9525775	0.808295	1.09686
4 h after dark	3.684495	3.55077	3.81822
8 h after dark	6.38072	6.31412	6.44732
12 h after dark	8.289895	7.79742	8.78237