condition	mean	min	max
4 h after light	8.1596425	8.104453	8.214832
8 h after light	7.755831000000001	7.350525	8.161137
12 h after light	7.671887	7.671887	7.671887
4 h after dark	7.0271609999999995	6.416931	7.637391
8 h after dark	8.050769500000001	7.444839	8.6567
12 h after dark	7.671887	7.671887	7.671887