condition	mean	min	max
4 h after light	2.7	2.7	2.7
8 h after light	17.95	5.3	30.6
12 h after light	3.25	0.8	5.7
4 h after dark	3.75	3.1	4.4
8 h after dark	9.200000000000001	2.1	16.3
12 h after dark	21.55	16.6	26.5