condition	mean	min	max
4 h after light	7.494908000000001	6.697176	8.29264
8 h after light	7.671887	7.671887	7.671887
12 h after light	7.6927245	7.362031	8.023418
4 h after dark	7.543062000000001	6.835947	8.250177
8 h after dark	7.8514795	7.671887	8.031072
12 h after dark	7.265101	7.265101	7.265101