condition	mean	min	max
4 h after light	2.6138	2.53876	2.68884
8 h after light	4.022365000000001	3.72379	4.32094
12 h after light	5.30457	5.25106	5.35808
4 h after dark	4.159924999999999	3.83831	4.48154
8 h after dark	3.19036	2.90337	3.47735
12 h after dark	3.160215	3.00155	3.31888