sdfopen /grove3/iesuw/ccm1/CCM1-CNTROLPI-MONE0510.nc
enable print hov.lat-time        
set grid off
set grads off
set t 1 12 
set z 1 12
define uave=aave(u,lon=-180,lon=180,lat=-90,lat=90)
set x 1
set y 1
set grads off
set cint 1 
set xaxis 1 12 1
d uave 
draw ylab height 
draw xlab time 
draw title Global Average of U 
print
disable print