condition	mean	min	max
4 h after light	8.440345	6.14599	10.7347
8 h after light	3.5447949999999997	3.33526	3.75433
12 h after light	3.770455	3.20914	4.33177
4 h after dark	5.73043	2.94197	8.51889
8 h after dark	2.73276	2.68456	2.78096
12 h after dark	3.65078	3.21922	4.08234