condition	mean	min	max
4 h after light	16.1	16.1	16.1
8 h after light	8.6	6.1	11.1
12 h after light	22.3	7.0	37.6
4 h after dark	5.5	4.7	6.3
8 h after dark	16.6	9.1	24.1
12 h after dark	49.15	38.8	59.5