condition	mean	min	max
4 h after light	6.2	6.2	6.2
8 h after light	5.050000000000001	4.4	5.7
12 h after light	13.200000000000001	3.8	22.6
4 h after dark	9.350000000000001	8.9	9.8
8 h after dark	16.55	3.3	29.8
12 h after dark	5.0	2.0	8.0