condition	mean	min	max
4 h after light	2.04195	1.54829	2.53561
8 h after light	1.71714	1.10619	2.32809
12 h after light	3.66104	2.30406	5.01802
4 h after dark	7.80007	5.64731	9.95283
8 h after dark	4.119945	3.21238	5.02751
12 h after dark	2.719885	2.49677	2.943