condition	mean	min	max
4 h after light	52.701499999999996	51.24	54.163
8 h after light	38.0727	35.7514	40.394
12 h after light	42.1075	40.686	43.529
4 h after dark	64.01095	63.2704	64.7515
8 h after dark	70.5754	70.1945	70.9563
12 h after dark	65.493	64.9113	66.0747