condition	mean	min	max
4 h after light	2.107335	1.76392	2.45075
8 h after light	2.017405	1.99455	2.04026
12 h after light	2.445545	2.34158	2.54951
4 h after dark	3.0006	2.97289	3.02831
8 h after dark	2.8468999999999998	2.77978	2.91402
12 h after dark	3.08933	3.0812	3.09746