condition	mean	min	max
4 h after light	2.7	2.7	2.7
8 h after light	20.85	9.7	32.0
12 h after light	41.0	37.7	44.3
4 h after dark	23.65	5.8	41.5
8 h after dark	10.1	5.2	15.0
12 h after dark	9.1	5.1	13.1