[SciPy-User] Calculating avgerage values on 20 minute time frequency

[Michael T Tate]

I have a time series date set that contains a date/time field and data 
fields (sonic temperature, WS-U, WS-V, WS-W). The data are recorded at 
10hz. I would like to calculate an average for each of the data fields on 
a 20min frequency so it can be matched up with data collected by another 
instrument. 

It is pretty straightforward to calculate hourly averages using convert 
from scikits.timeseries. 

Does anyone have any ideas on how I would calculate 20min averages for 
this data?


Thanks in advance

Mike 
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