[Bldg-sim] TMY3 Released with 1020 US Locations

[Joe Huang]

I've just gone through this procedure, i.e., creating *.BIN versions, for 50 
of these new TMY3 weather files, using the TMY3toTMY2 and doewth programs. 
Please note that doewth reads only a 5-number station number, while these 
new TMY3/TMY2 files use a 6-number station number. Thus, you need to delete 
the last number from the station number both on the INPUT.TMP and the first 
line of the raw TMY2 weather file.

Joe Huang
White Box Technologies

----- Original Message ----- 
From: "Tim Johnson" <timj at ctagroup.com>
To: "Randy Wilkinson" <randy at hvacware.net>; <bldg-sim at onebuilding.org>
Sent: Wednesday, May 14, 2008 12:29 PM
Subject: Re: [Bldg-sim] TMY3 Released with 1020 US Locations


>I am attempting to follow these steps, but I can't seem to figure out how 
>to use the DOE2 unilities.  It looks like it is only DOS based and I am not 
>familiar with DOS.  Could you walk me through the steps to convert from 
>.TM2 to .bin using the DOE2 utility?
> Thanks,
> Tim
>
>>>> Randy Wilkinson <randy at hvacware.net> 05/14/08 11:21 AM >>>
> Be aware that what NREL calls TMY2 weather data is true text based TMY2
> weather data per their original definition.  DOE2 (eQuest) uses a binary
> version of the TMY2 weather files.  The binary version is about 1/10th
> the file size of the original text based TMY2 file.  You need to use
> another weather processor to convert the true TMY2 into a binary version
> (xxxxxx.BIN) for use with eQuest.  You can't just rename the file as it
> sounds like you did.
>
> step 1 - Get the TMY3 weather file for your location
> step 2 - Use NREL's TMY3toTMY2 converter to convert it to TMY2
> step 3 - Use DOE2 or EnergyPlus weather utilities to convert the text
> based TMY2 weather file to a binary version for use with DOE2 (eQuest)
>
> I think you skipped step 3.
>
> Randy Wilkinson
>
> James Hess wrote:
>> Great news on the TMY3 weather data.  We want to start using it in 
>> eQuest.
>>
>> However, FYI... in order to test the new TMY3 files out, we downloaded a 
>> TMY3
>> weather file for Little Rock, AR.  Then we converted the TMY3 file to 
>> TMY2
>> (using same name as TMY2 --> LITTLEAR.BIN ), placed it in a new folder 
>> under
>> eQuest weather (Weather\TMY3) then tried to use in eQuest and got an 
>> error,
>> and the simulation would not run.
>>
>> Is there any additional information that we need to know in order to make
>> this work?
>>
>>
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