condition	mean	min	max
4 h after light	8.5	8.5	8.5
8 h after light	20.85	2.2	39.5
12 h after light	3.65	3.0	4.3
4 h after dark	4.35	2.0	6.7
8 h after dark	6.0	4.9	7.1
12 h after dark	6.050000000000001	4.7	7.4