condition	mean	min	max
4 h after light	4.1009	4.02878	4.17302
8 h after light	2.8625	2.60427	3.12073
12 h after light	3.44304	2.81264	4.07344
4 h after dark	3.436275	3.11708	3.75547
8 h after dark	4.80626	4.69984	4.91268
12 h after dark	4.84873	4.74063	4.95683