condition	mean	min	max
4 h after light	3.9	3.9	3.9
8 h after light	3.55	3.2	3.9
12 h after light	3.7	3.6	3.8
4 h after dark	3.1	2.6	3.6
8 h after dark	3.65	3.4	3.9
12 h after dark	3.5999999999999996	3.3	3.9