condition	mean	min	max
4 h after light	65.9337	63.57	68.2974
8 h after light	38.44505	34.9057	41.9844
12 h after light	54.17585	49.9159	58.4358
4 h after dark	69.7697	65.0407	73.4528
8 h after dark	87.0	73.7575	94.1776
12 h after dark	89.58806666666666	85.7496	94.733