condition	mean	min	max
4 h after light	4.56641	4.43498	4.63405
8 h after light	4.634136666666667	4.4762699999999995	4.82826
12 h after light	4.51227	4.36259	4.61524
4 h after dark	4.52366	4.484319999999999	4.54906
8 h after dark	4.533486666666667	4.5205400000000004	4.54496
12 h after dark	4.432329999999999	4.38537	4.4715