condition	mean	min	max
4 h after light	1.639145	1.42686	1.85143
8 h after light	6.733185000000001	6.46936	6.99701
12 h after light	4.32223	3.63832	5.00614
4 h after dark	1.732055	1.61302	1.85109
8 h after dark	0.40225750000000005	0.332996	0.471519
12 h after dark	0.349364	0.304417	0.394311