condition	mean	min	max
0 h after light	6.862085	5.52475	8.19942
4 h after light	4.610115	4.37836	4.84187
8 h after light	4.166995	3.61038	4.72361
4 h after dark	5.20254	4.82312	5.58196
8 h after dark	5.767545	5.75802	5.77707
12 h after dark	5.460955	5.064	5.85791