condition	mean	min	max
4 h after light	4.85451	4.69194	5.022390000000001
8 h after light	4.45782	4.38311	4.5794
12 h after light	4.2208033333333335	4.18947	4.2599599999999995
4 h after dark	4.35572	4.2942599999999995	4.43107
8 h after dark	4.449983333333333	4.25237	4.61961
12 h after dark	4.569776666666667	4.40921	4.80687