condition	mean	min	max
4 h after light	24.4	24.4	24.4
8 h after light	13.4	3.5	23.3
12 h after light	11.0	8.4	13.6
4 h after dark	14.2	2.2	26.2
8 h after dark	9.25	2.4	16.1
12 h after dark	8.1	3.2	13.0