condition	mean	min	max
4 h after light	11.233675333333334	8.714488000000001	16.17621
8 h after light	6.791121666666667	4.608135	10.354230000000001
12 h after light	11.823114	8.668322	15.220820000000002
16 h after light	15.28667	10.024189999999999	19.190720000000002
4 h after dark	20.847936666666666	17.28339	24.71905
8 h after dark	11.727629	9.111147	15.93486