condition	mean	min	max
4 h after light	5.382006666666666	5.30768	5.44412
8 h after light	5.44328	5.21968	5.64391
12 h after light	5.473963333333334	5.31909	5.76755
4 h after dark	5.280236666666666	5.23159	5.3205
8 h after dark	5.2711	5.26914	5.2729
12 h after dark	5.43762	5.31973	5.63627