open  i:/Muam_Mar_wQBO/0/Uw.ctl
open  i:/Muam_Mar_wQBO/0/Ue.ctl
set lev 0 80
set lat -90 90
set lon 0 
set t 1
set vpage 0.5 4.5 5.5 9.5
Set clopts 1 4 0.16
Set xlopts 1 4 0.20
Set ylopts 1 4 0.20
set grads off
set cthick 10
set cint 5
d ave(u,t=540,t=900)-ave(u.2,t=540,t=900)
set annot 1 5
set font 1
draw title Diff. U (Wly-Ely), 15Mar-15Apr, MUAM
set font 1
draw xlab Latitude (deg)
draw ylab log-pressure Height (km)
enable print xy.prn
print
disable print
close 1