condition	mean	min	max
4 h after light	4.709135	4.02991	5.38836
8 h after light	5.992885	5.44076	6.54501
12 h after light	5.468885	4.97372	5.96405
4 h after dark	7.46355	7.09474	7.83236
8 h after dark	6.515935	6.39169	6.64018
12 h after dark	6.622455	6.0385	7.20641