condition	mean	min	max
4 h after light	3.23362	3.04472	3.42252
8 h after light	3.01889	2.92962	3.10816
12 h after light	1.9586350000000001	1.93772	1.97955
4 h after dark	3.39786	3.05396	3.80664
8 h after dark	3.9656466666666663	3.44685	4.27598
12 h after dark	4.013913333333333	3.74416	4.34362