condition	mean	min	max
0 h after light	3.482945	3.21811	3.74778
4 h after light	1.879335	1.79476	1.96391
8 h after light	1.884545	1.58908	2.18001
4 h after dark	3.583315	3.26013	3.9065
8 h after dark	5.349715	4.95661	5.74282
12 h after dark	4.820145	4.07964	5.56065