condition	mean	min	max
4 h after light	4.647045	4.03917	5.25492
8 h after light	6.72536	6.42496	7.02576
12 h after light	9.209955	8.73149	9.68842
4 h after dark	12.3049	11.6031	12.9438
8 h after dark	9.891703333333334	7.4642	12.4941
12 h after dark	7.09374	6.72773	7.65774