condition	mean	min	max
4 h after light	4.65196	4.01959	5.84485
8 h after light	4.38172	1.2501	7.66061
12 h after light	3.791306666666667	2.34346	5.68435
4 h after dark	7.225673333333333	5.24311	9.52971
8 h after dark	9.519916666666667	6.10405	11.9261
12 h after dark	6.56801	5.78016	7.8469