condition	mean	min	max
4 h after light	1.3	1.3	1.3
8 h after light	1.45	1.2	1.7
12 h after light	15.35	1.8	28.9
4 h after dark	4.15	2.4	5.9
8 h after dark	1.8	1.6	2.0
12 h after dark	4.8	2.1	7.5