condition	mean	min	max
4 h after light	3.95736	3.81846	4.09626
8 h after light	2.32538	2.20141	2.44935
12 h after light	2.616075	2.51776	2.71439
4 h after dark	2.91814	2.79889	3.03739
8 h after dark	3.5755749999999997	3.47972	3.67143
12 h after dark	4.27101	4.17714	4.36488