condition	mean	min	max
4 h after light	3.8736300000000004	3.26214	4.48512
8 h after light	4.67566	4.64849	4.70283
12 h after light	6.875310000000001	6.50476	7.24586
4 h after dark	10.224499999999999	10.0813	10.3677
8 h after dark	7.51604	7.31883	7.71325
12 h after dark	6.968355000000001	6.77592	7.16079