condition	mean	min	max
4 h after light	11.3	11.3	11.3
8 h after light	3.15	1.2	5.1
12 h after light	8.5	1.0	16.0
4 h after dark	2.35	1.8	2.9
8 h after dark	10.45	7.2	13.7
12 h after dark	2.45	1.6	3.3