condition	mean	min	max
4 h after light	55.15075	54.813	55.4885
8 h after light	47.402249999999995	46.4999	48.3046
12 h after light	35.57355	34.8763	36.2708
4 h after dark	49.947050000000004	48.9416	50.9525
8 h after dark	47.31075	46.9285	47.693
12 h after dark	54.67700000000001	53.1131	56.2409