condition	mean	min	max
4 h after light	4.464456666666667	4.39692	4.5254900000000005
8 h after light	4.629026666666666	4.51361	4.68693
12 h after light	4.53962	4.437180000000001	4.65885
4 h after dark	4.50664	4.4396	4.63495
8 h after dark	4.54391	4.48554	4.61826
12 h after dark	4.48169	4.42835	4.53186