condition	mean	min	max
0 h after light	5.897775	5.69357	6.10198
4 h after light	4.64268	4.42357	4.86179
8 h after light	4.307005	4.01563	4.59838
4 h after dark	5.66922	5.55407	5.78437
8 h after dark	6.167325	5.45201	6.88264
12 h after dark	5.736715	5.57495	5.89848