condition	mean	min	max
4 h after light	5.4	5.4	5.4
8 h after light	13.5	8.3	18.7
12 h after light	7.15	7.1	7.2
4 h after dark	19.1	9.5	28.7
8 h after dark	34.5	24.7	44.3
12 h after dark	8.15	7.9	8.4