condition	mean	min	max
4 h after light	3.0	3.0	3.0
8 h after light	1.7999999999999998	1.7	1.9
12 h after light	1.8	1.6	2.0
4 h after dark	2.8	2.7	2.9
8 h after dark	2.0	1.7	2.3
12 h after dark	2.55	2.4	2.7