condition	mean	min	max
3 h after light	1.74156	1.4944	2.05772
6 h after light	1.8682033333333332	1.65936	2.12785
9 h after light	1.70035	1.22241	2.47745
12 h after light	1.6776625	1.36725	2.12012
3 h after dark	2.1674100000000003	1.83044	2.39966
6 h after dark	2.129576666666667	2.03493	2.27165
9 h after dark	1.9711933333333334	1.6501	2.19427
12 h after dark	1.91399	1.83073	1.99725