condition	mean	min	max
4 h after light	1.549605	1.22043	1.87878
8 h after light	1.46415	1.40057	1.52773
12 h after light	1.742785	1.63214	1.85343
4 h after dark	2.47568	2.38175	2.59516
8 h after dark	2.22237	1.93067	2.42935
12 h after dark	1.6556600000000001	1.33271	1.91595