[TRNSYS-users] about weather file

Diego A. Arias daarias at wisc.edu
Thu Dec 1 06:54:19 PST 2005

Dear Rajkumar,

Meteonorm uses the TMY2 data standard.  In the development of this 
standard, a Typical Meteorological Year (TMY) was determined, and this 
is the data that is stored in these files.  This Typical Metereological 
Year was created month per month.  This means that you may find that the 
data for January is from the data taken in 1995, because it was 
considered a typical January, and the data for February is from another 

To find information on how the understand the format of the files and 
the development of typical meteorological years, please go to the web 
page: http://sel.me.wisc.edu/trnsys/   and click on 'Weather Data'.  
Then, click on 'TMY2 Data'.
I hope this helps,


RAJ KUMAR wrote:

> Dear diego,
>         I am using  weather files under the directory  meteonorm  for 
> indian cities (eg.NewDelhi), but  it is difficult to understand the 
> file format.   It is  of  year 1995 values, If I am correct.
>      Will you  please explain the format of weather file?,  Is it  
> monthly  mean hourly values?  Please clarify me.
> Regards,
> Rajkumar.S,
> Research scholar,
> IITD,India
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