condition	mean	min	max
4 h after light	11.854099999999999	11.0565	12.6517
8 h after light	8.918344999999999	8.87933	8.95736
12 h after light	6.2397	5.7892	6.6902
4 h after dark	7.880095	7.0014	8.75879
8 h after dark	5.9889399999999995	5.44572	6.53216
12 h after dark	9.178515	8.76627	9.59076