I recommend you to change the fps_max value to ur monitor value of Hz and change the -refresh too
Launch options:
-high -preload +fps_max 62 -novid -fullscreen -refresh 60 +cl_showfps 1 +clshowpos 1 -dxlelvel 95 +mat_letterbox_aspect_goal 0 +mat_letterbox_aspect_threshold 0 +building_cubemaps "1"