condition	mean	min	max
4 h after light	3.4534599999999998	3.43166	3.47526
8 h after light	2.8510999999999997	2.81933	2.88287
12 h after light	5.19477	5.12462	5.26492
4 h after dark	7.83179	6.58236	9.39179
8 h after dark	9.64548	8.42744	10.4324
12 h after dark	4.543276666666667	3.89842	5.67142