condition	mean	min	max
4 h after light	3.8	3.8	3.8
8 h after light	18.75	16.4	21.1
12 h after light	11.55	2.8	20.3
4 h after dark	2.05	1.2	2.9
8 h after dark	3.2	1.6	4.8
12 h after dark	4.0	3.0	5.0