condition	mean	min	max
3 h after light	6.804913333333333	6.04636	7.30727
6 h after light	6.55128	5.40409	7.36465
9 h after light	6.88838	6.7318	6.97676
12 h after light	7.865469999999999	7.61044	8.15843
3 h after dark	7.16132	6.9328	7.52073
6 h after dark	7.940976666666667	7.826	8.09144
9 h after dark	7.18996	7.06616	7.37238
12 h after dark	5.403076666666667	4.89437	6.04645