condition	mean	min	max
4 h after light	0.1993915	0.170148	0.228635
8 h after light	0.804225	0.68225	0.9262
12 h after light	1.1761765	0.825253	1.5271
4 h after dark	2.46599	2.27403	2.65795
8 h after dark	1.19671	1.08043	1.31299
12 h after dark	0.7803865	0.780312	0.780461