condition	mean	min	max
4 h after light	2.7	2.7	2.7
8 h after light	2.9	2.4	3.4
12 h after light	5.1	2.8	7.4
4 h after dark	7.15	6.4	7.9
8 h after dark	5.85	3.5	8.2
12 h after dark	16.2	2.9	29.5