condition	mean	min	max
4 h after light	6.772245	6.61371	6.93078
8 h after light	5.128255	4.83236	5.42415
12 h after light	5.142659999999999	5.03233	5.25299
4 h after dark	6.408205000000001	6.18444	6.63197
8 h after dark	5.73508	5.5748	5.89536
12 h after dark	6.8518799999999995	6.79558	6.90818