condition	mean	min	max
4 h after light	7.7367395	7.284915	8.188564
8 h after light	7.7457674999999995	7.612547	7.878988
12 h after light	7.862534999999999	7.6385	8.08657
4 h after dark	7.3514115	7.090276	7.612547
8 h after dark	7.702704000000001	5.993156	9.412252
12 h after dark	7.467928	7.467928	7.467928