Data for 'Multiyear Observations of Gravity Wave Momentum Fluxes in the Midlatitude Mesosphere and Lower Thermosphere Region by Meteor Radar'

1 Dataset of the daily meteor counts observed by meteor radars located at Beijing and Mengcheng.2 Dataset of the azimuthal distributions of meteor echos observed by meteor radars located at Beijing and Mengcheng.3 Calculated monthly mean zonal/meridional wind, GW momentum fluxes and GW variances over Beijing and Mengcheng.