[ncl-talk] NCL plot with ARM data

[Debasish Hazra]

Hi,

 I am trying to plot cloud base height using ARM observation data over a
location. Dataset consist of regular interval (on average ~0.27 seconds)
measurements for a single day (4020 measurements in a single day).  I
looked into NCL examples with couple of ARM files in their website, but
those data have (lat,lon, time) in dimension. My questions are :

1. how to average these data set at regular time intervals, say for every
 3 hours.

 2. how to convert this "time offset" to regular "cd_calendar" time unit to
be used in a plot

Any help is appreciated. attached are sample data file, ncl script and
resulting plot.

Thanks.
 Debasish.
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