condition	mean	min	max
4 h after light	1.389485	1.2404	1.53857
8 h after light	1.2428949999999999	1.20759	1.2782
12 h after light	1.273835	1.07282	1.47485
4 h after dark	1.990845	1.78809	2.1936
8 h after dark	2.105035	1.938	2.27207
12 h after dark	2.028145	1.94898	2.10731