condition	mean	min	max
4 h after light	2.609025	2.44341	2.77464
8 h after light	1.47401	1.40501	1.54301
12 h after light	2.36341	1.77538	2.95144
4 h after dark	7.10517	5.75131	8.45903
8 h after dark	4.65248	4.23905	5.06591
12 h after dark	4.44705	4.08454	4.80956