condition	mean	min	max
4 h after light	28.9483	28.898	28.9986
8 h after light	13.14025	13.0697	13.2108
12 h after light	20.57745	19.1338	22.0211
4 h after dark	68.4446	67.5261	70.0562
8 h after dark	58.2441	54.0186	61.4223
12 h after dark	48.64353333333333	47.487	49.9683