condition	mean	min	max
4 h after light	57.13455	52.0286	62.2405
8 h after light	40.35435	39.5559	41.1528
12 h after light	38.087599999999995	37.879	38.2962
4 h after dark	42.36866666666667	40.9906	43.6575
8 h after dark	52.6786	52.1901	53.1049
12 h after dark	42.690466666666666	41.2893	44.4523