condition	mean	min	max
0 h after light	7.65062	6.42291	8.87833
4 h after light	7.635149999999999	7.5562	7.7141
8 h after light	7.89011	7.53878	8.24144
4 h after dark	9.214020000000001	8.9022	9.52584
8 h after dark	8.982330000000001	8.8518	9.11286
12 h after dark	8.596184999999998	8.15327	9.0391