condition	mean	min	max
4 h after light	11.6	11.6	11.6
8 h after light	22.85	3.7	42.0
12 h after light	5.0	4.1	5.9
4 h after dark	4.55	2.9	6.2
8 h after dark	3.95	1.9	6.0
12 h after dark	2.2	1.3	3.1