condition	mean	min	max
0 h after light	6.431345	5.73795	7.12474
4 h after light	7.0801300000000005	6.47365	7.68661
8 h after light	6.60783	5.25207	7.96359
4 h after dark	7.8188949999999995	6.58579	9.052
8 h after dark	7.874395	7.63111	8.11768
12 h after dark	6.8966449999999995	6.69663	7.09666