[TRNSYS-users] weather file .tm2

keilholz, werner werner.keilholz at cstb.fr
Mon Jul 24 00:34:14 PDT 2006


Hi Franck,
 
TM2 is only a data format. It depends on what the person who created the
file put into it. Usually, the data are averages over many years. 
 
The TM2 files delivered with TRNSYS were created with METEONORM 
(see http://software.cstb.fr/soft/present.asp?context=Meteonorm
<http://software.cstb.fr/soft/present.asp?context=Meteonorm&langue=us>
&langue=us )
and do not represent 'real years', but 'Typical Mean Years' (that's where
the names TM2 and TMY come from). 
 
The TMY2 users manual is available online
http://rredc.nrel.gov/solar/pubs/tmy2/
<http://rredc.nrel.gov/solar/pubs/tmy2/>  .
 
Werner
 
  _____  

De : trnsys-users-bounces at engr.wisc.edu
[mailto:trnsys-users-bounces at engr.wisc.edu] De la part de franck clottes
Envoyé : dimanche 23 juillet 2006 15:48
À : trnsys-users at engr.wisc.edu
Objet : [TRNSYS-users] weather file .tm2
 
Hi,

What is the year used by weather files .tm2 ? 
Is it the year 1995 or an average over several years??

Sorry for my bad english

Franck!
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