condition	mean	min	max
4 h after light	1.6	1.6	1.6
8 h after light	8.95	3.8	14.1
12 h after light	17.55	8.9	26.2
4 h after dark	18.0	11.4	24.6
8 h after dark	3.8	2.4	5.2
12 h after dark	26.0	18.0	34.0