condition	mean	min	max
4 h after light	2.275695	2.11691	2.43448
8 h after light	1.83352	1.74972	1.91732
12 h after light	2.26907	1.49459	3.04355
4 h after dark	4.3286999999999995	3.8011	4.8563
8 h after dark	3.1132600000000004	2.78534	3.44118
12 h after dark	2.82209	2.39031	3.25387