condition	mean	min	max
4 h after light	5.997423333333334	5.906630000000001	6.11756
8 h after light	5.901	5.72446	6.00284
12 h after light	5.951643333333333	5.94106	5.9602699999999995
4 h after dark	5.943576666666667	5.66259	6.1129
8 h after dark	5.99656	5.77212	6.19264
12 h after dark	5.782706666666667	5.7435599999999996	5.82616