condition	mean	min	max
4 h after light	2.067705	1.53106	2.60435
8 h after light	2.159745	1.66135	2.65814
12 h after light	2.66333	2.29666	3.03
4 h after dark	1.901265	1.34333	2.4592
8 h after dark	2.126275	1.50341	2.74914
12 h after dark	4.34671	4.2931	4.40032