condition	mean	min	max
4 h after light	43.3	43.3	43.3
8 h after light	2.45	1.8	3.1
12 h after light	16.7	2.8	30.6
4 h after dark	10.0	2.4	17.6
8 h after dark	2.9	2.0	3.8
12 h after dark	2.85	1.8	3.9