condition	mean	min	max
4 h after light	8.762910000000002	7.21902	10.3068
8 h after light	8.139545	7.22366	9.05543
12 h after light	9.009795	7.11509	10.9045
4 h after dark	16.4854	10.6701	22.3007
8 h after dark	9.871794999999999	9.8462	9.89739
12 h after dark	9.21523	8.30876	10.1217