condition	mean	min	max
4 h after light	3.529275	3.44047	3.61808
8 h after light	3.142945	2.68709	3.5988
12 h after light	2.2816549999999998	2.17656	2.38675
4 h after dark	1.97554	1.17345	2.77763
8 h after dark	1.91656	1.37211	2.46101
12 h after dark	2.39003	1.94972	2.83034