condition	mean	min	max
4 h after light	7.834490000000001	7.2064	8.46258
8 h after light	4.456195	3.7855	5.12689
12 h after light	4.40471	4.22447	4.58495
4 h after dark	5.71828	4.88407	7.38204
8 h after dark	6.91709	5.01064	9.00293
12 h after dark	9.832893333333333	8.83728	10.4085