condition	mean	min	max
4 h after light	7.4	7.4	7.4
8 h after light	7.65	2.9	12.4
12 h after light	16.4	5.1	27.7
4 h after dark	10.2	8.4	12.0
8 h after dark	19.55	11.9	27.2
12 h after dark	32.35	18.6	46.1