condition	mean	min	max
4 h after light	2.93042	2.45845	3.40239
8 h after light	2.547865	2.34775	2.74798
12 h after light	2.833525	2.71207	2.95498
4 h after dark	3.58232	3.52192	3.64272
8 h after dark	3.554395	3.54025	3.56854
12 h after dark	4.04705	3.87121	4.22289