condition	mean	min	max
4 h after light	4.4977833333333335	4.42664	4.5353699999999995
8 h after light	4.471396666666667	4.32619	4.612480000000001
12 h after light	4.44338	4.3772400000000005	4.543
4 h after dark	4.47709	4.25493	4.70201
8 h after dark	4.583833333333334	4.4122	4.84082
12 h after dark	4.51605	4.323169999999999	4.78565