condition	mean	min	max
3 h after light	4.799813333333334	4.01277	5.36765
6 h after light	5.07028	4.31807	6.16558
9 h after light	5.21221	3.20805	6.85284
12 h after light	6.1146075	5.51112	7.28611
3 h after dark	7.80899	6.84309	9.30003
6 h after dark	8.38402	8.26165	8.47942
9 h after dark	6.59992	5.89766	7.66985
12 h after dark	5.54405	5.00619	6.08191