condition	mean	min	max
4 h after light	5.993275000000001	5.19869	6.78786
8 h after light	5.394835	5.20696	5.58271
12 h after light	6.18457	5.79904	6.5701
4 h after dark	8.82007	8.75485	8.87313
8 h after dark	9.06334	8.83902	9.28443
12 h after dark	6.79563	6.18155	7.11235