condition	mean	min	max
4 h after light	3.24543	3.17302	3.31784
8 h after light	2.13472	1.77592	2.49352
12 h after light	2.472125	2.30569	2.63856
4 h after dark	4.055820000000001	2.92053	4.96691
8 h after dark	2.19404	2.13925	2.22155
12 h after dark	3.6970566666666667	3.32342	4.12207