condition	mean	min	max
4 h after light	1.94151	1.59981	2.28321
8 h after light	2.53592	2.39995	2.67189
12 h after light	2.916325	2.13638	3.69627
4 h after dark	2.9601266666666666	2.63929	3.30434
8 h after dark	2.64706	2.46419	2.74039
12 h after dark	2.46759	2.28515	2.76838