condition	mean	min	max
4 h after light	6.024905	5.46542	6.58439
8 h after light	7.91027	7.44238	8.37816
12 h after light	9.473939999999999	9.27933	9.66855
4 h after dark	8.421265	8.177	8.66553
8 h after dark	7.51276	7.48864	7.53688
12 h after dark	7.125965000000001	6.89775	7.35418