condition	mean	min	max
4 h after light	8.4	8.4	8.4
8 h after light	4.1	3.1	5.1
12 h after light	24.2	10.0	38.4
4 h after dark	15.3	8.6	22.0
8 h after dark	32.2	20.6	43.8
12 h after dark	37.1	34.7	39.5