condition	mean	min	max
4 h after light	3.9126	3.86754	3.97215
8 h after light	3.9543833333333334	3.8606300000000005	4.12485
12 h after light	3.9981166666666668	3.80651	4.2844
4 h after dark	4.0074700000000005	3.9253400000000003	4.16023
8 h after dark	3.9828900000000003	3.8892300000000004	4.0639400000000006
12 h after dark	3.925546666666667	3.8566800000000003	4.05713