condition	mean	min	max
0 h after light	51.55975	50.5625	52.557
4 h after light	30.60955	28.4868	32.7323
8 h after light	21.72685	20.5104	22.9433
4 h after dark	32.6933	29.9633	35.4233
8 h after dark	40.2384	38.4716	42.0052
12 h after dark	43.7071	36.1625	51.2517