condition	mean	min	max
0 h after light	0.477874	0.477448	0.4783
4 h after light	11.800780000000001	7.06106	16.5405
8 h after light	21.57705	20.3115	22.8426
4 h after dark	0.939682	0.937829	0.941535
8 h after dark	1.1815115	0.940453	1.42257
12 h after dark	2.124855	1.86568	2.38403