condition	mean	min	max
4 h after light	2.991245	2.64251	3.33998
8 h after light	8.05699	7.86394	8.25004
12 h after light	9.09797	8.19882	9.99712
4 h after dark	6.401866666666667	5.90346	6.82674
8 h after dark	4.97268	4.90369	5.08053
12 h after dark	3.7883366666666665	3.18456	4.37191