condition	mean	min	max
4 h after light	4.74838	4.7376	4.76584
8 h after light	4.852243333333334	4.752730000000001	4.9791300000000005
12 h after light	4.775713333333333	4.75624	4.80428
4 h after dark	4.771053333333334	4.5563400000000005	4.928719999999999
8 h after dark	4.692216666666666	4.66317	4.7496599999999995
12 h after dark	4.698600000000001	4.6452800000000005	4.75189