condition	mean	min	max
0 h after light	6.387169999999999	6.15173	6.62261
4 h after light	7.041855	6.88001	7.2037
8 h after light	7.743345	7.44878	8.03791
4 h after dark	8.358554999999999	7.93548	8.78163
8 h after dark	7.720315	7.32469	8.11594
12 h after dark	6.0785599999999995	5.83026	6.32686