condition	mean	min	max
4 h after light	3.1639150000000003	2.87762	3.45021
8 h after light	1.8008350000000002	1.54966	2.05201
12 h after light	1.70252	1.65076	1.75428
4 h after dark	2.94151	2.62141	3.18063
8 h after dark	3.170526666666667	2.65334	3.75871
12 h after dark	2.3426666666666667	2.26666	2.46905