condition	mean	min	max
4 h after light	10.3	10.3	10.3
8 h after light	11.0	2.8	19.2
12 h after light	18.15	3.0	33.3
4 h after dark	9.1	0.7	17.5
8 h after dark	9.1	3.4	14.8
12 h after dark	14.3	12.5	16.1