condition	mean	min	max
0 h after light	3.45725	3.19087	3.72363
4 h after light	7.15227	5.09404	9.2105
8 h after light	3.32827	2.77991	3.87663
4 h after dark	5.98977	2.87441	9.10513
8 h after dark	8.451080000000001	7.19398	9.70818
12 h after dark	4.40518	4.02789	4.78247