condition	mean	min	max
4 h after light	3.0166899999999996	2.82089	3.21249
8 h after light	2.989805	2.83309	3.14652
12 h after light	2.36581	1.75377	2.97785
4 h after dark	2.535525	2.14511	2.92594
8 h after dark	2.452385	2.21789	2.68688
12 h after dark	3.147865	2.74151	3.55422