condition	mean	min	max
0 h after light	11.6982	11.4556	11.9408
4 h after light	7.71729	6.79547	8.63911
8 h after light	6.035425	4.91111	7.15974
4 h after dark	9.22245	5.9926	12.4523
8 h after dark	12.21735	10.3417	14.093
12 h after dark	11.8308	10.7698	12.8918