condition	mean	min	max
4 h after light	5.0	5.0	5.0
8 h after light	16.55	3.0	30.1
12 h after light	4.05	4.0	4.1
4 h after dark	39.9	34.5	45.3
8 h after dark	24.6	18.8	30.4
12 h after dark	12.4	6.2	18.6