condition	mean	min	max
0 h after light	11.9998	11.5229	12.4767
4 h after light	6.72921	6.56427	6.89415
8 h after light	6.344530000000001	5.62018	7.06888
4 h after dark	8.629840000000002	8.26659	8.99309
8 h after dark	8.430605	8.19831	8.6629
12 h after dark	9.388819999999999	8.80429	9.97335