condition	mean	min	max
4 h after light	2.9	2.9	2.9
8 h after light	1.95	1.6	2.3
12 h after light	11.7	2.5	20.9
4 h after dark	11.9	11.0	12.8
8 h after dark	32.5	12.4	52.6
12 h after dark	7.5	5.4	9.6