condition	mean	min	max
4 h after light	0.830945	0.74179	0.9201
8 h after light	2.5407	2.40239	2.67901
12 h after light	7.684855000000001	7.36893	8.00078
4 h after dark	5.5870750000000005	5.34661	5.82754
8 h after dark	3.91542	3.68098	4.14986
12 h after dark	2.07388	2.06116	2.0866