condition	mean	min	max
4 h after light	1.317825	1.00651	1.62914
8 h after light	2.29999	2.08464	2.51534
12 h after light	4.193875	4.09096	4.29679
4 h after dark	5.60455	4.90843	6.30067
8 h after dark	4.15071	3.97011	4.33131
12 h after dark	2.52285	2.43957	2.60613