condition	mean	min	max
4 h after light	2.750285	2.57587	2.9247
8 h after light	2.469125	2.42382	2.51443
12 h after light	3.5923	3.56717	3.61743
4 h after dark	4.81722	4.54661	5.16951
8 h after dark	5.75443	5.2276	6.47294
12 h after dark	3.6898	2.9547	4.7426