condition	mean	min	max
4 h after light	3.3	3.3	3.3
8 h after light	11.200000000000001	4.3	18.1
12 h after light	14.6	9.3	19.9
4 h after dark	19.3	18.0	20.6
8 h after dark	3.7	2.2	5.2
12 h after dark	2.05	1.9	2.2