condition	mean	min	max
0 h after light	5.4580850000000005	5.39577	5.5204
4 h after light	4.2052700000000005	3.84846	4.56208
8 h after light	7.133905	6.54433	7.72348
4 h after dark	7.964370000000001	7.81061	8.11813
8 h after dark	7.09148	5.92905	8.25391
12 h after dark	4.694265	3.66878	5.71975