condition	mean	min	max
4 h after light	4.9	4.9	4.9
8 h after light	16.35	3.7	29.0
12 h after light	45.55	28.0	63.1
4 h after dark	34.5	34.1	34.9
8 h after dark	2.05	1.2	2.9
12 h after dark	22.0	13.9	30.1