condition	mean	min	max
4 h after light	6.9	6.9	6.9
8 h after light	3.05	1.5	4.6
12 h after light	17.1	14.0	20.2
4 h after dark	33.05	28.8	37.3
8 h after dark	23.4	12.4	34.4
12 h after dark	4.8999999999999995	1.6	8.2