condition	mean	min	max
0 h after light	3.8358800000000004	3.83246	3.8393
4 h after light	2.12784	2.02425	2.23143
8 h after light	1.987005	1.67195	2.30206
4 h after dark	3.434805	3.36069	3.50892
8 h after dark	2.977605	2.85473	3.10048
12 h after dark	3.521185	2.94167	4.1007