condition	mean	min	max
0 h after light	1.90753	1.6939	2.12116
4 h after light	1.6957	1.58213	1.80927
8 h after light	1.2790915	0.977583	1.5806
4 h after dark	2.08364	2.07953	2.08775
8 h after dark	1.534535	1.26176	1.80731
12 h after dark	1.257974	0.965288	1.55066