condition	mean	min	max
4 h after light	74.01555	71.1101	76.921
8 h after light	59.0332	58.6702	59.3962
12 h after light	76.52705	73.7026	79.3515
4 h after dark	82.56450000000001	79.4467	87.0219
8 h after dark	90.05576666666667	84.4175	93.206
12 h after dark	85.3474	82.4577	88.8547