condition	mean	min	max
4 h after light	2.124925	1.85807	2.39178
8 h after light	3.090015	2.98517	3.19486
12 h after light	2.257745	2.02843	2.48706
4 h after dark	2.5972	2.37744	2.93234
8 h after dark	2.7335833333333333	2.45156	3.04436
12 h after dark	2.211733333333333	1.78041	2.76602