condition	mean	min	max
0 h after light	8.495045000000001	8.10603	8.88406
4 h after light	6.369615	6.0773	6.66193
8 h after light	4.07878	3.94854	4.20902
4 h after dark	4.495	4.1783	4.8117
8 h after dark	5.215285	4.51528	5.91529
12 h after dark	7.3240300000000005	6.23412	8.41394