condition	mean	min	max
4 h after light	8.063025	7.89052	8.23553
8 h after light	11.7904	11.0331	12.5477
12 h after light	8.983865	8.57372	9.39401
4 h after dark	10.92766	9.69838	12.2871
8 h after dark	7.732303333333333	6.53985	8.51812
12 h after dark	11.622466666666666	11.2768	12.0069