condition	mean	min	max
4 h after light	5.00317	4.93812	5.11284
8 h after light	4.92232	4.85985	4.95536
12 h after light	4.735056666666667	4.6070400000000005	4.844609999999999
4 h after dark	4.76454	4.63508	4.86801
8 h after dark	4.833903333333333	4.804869999999999	4.86233
12 h after dark	5.02855	4.79735	5.37561