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Difference between TYP and TMY

asked 2021-08-26 14:06:35 -0500

Julio Betta gravatar image

updated 2021-08-26 16:24:52 -0500

What's the difference between TYP and TMY weather files and how it impacts a simulation in OpenStudio? Also, can you guys send me some documentation/articles related to all the different types of weather files (AMY, TYP, TMY, DDY, etc...)?

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answered 2021-08-27 08:21:04 -0500

lklawrie gravatar image

Not sure what a TYP weather file is. TMY stands for Typical Meteorological Year (ISO. 2005. ISO Standard 15927โ€“4:2005, Hygrothermal Performance of Buildings โ€“ Calculation and Presentation of Climatic Data โ€“ Part 4: Hourly Data for Assessing the Annual Energy Use for Heating and Cooling. International Standards Organization. Geneva, Switzerland: ISO. www.iso.org/standard/41371.html.)

AMY or MY is a single meteorological year. DDY is a common suffix for a file that has syntax for a EnergyPlus Design Day set. TRY is a Test Reference Year (popular around 1976).

Several papers at the climate.onebuilding.org site describe various details of files including an XMY - Extreme Meteorological Year.

Linda

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According to http://weather.whiteboxtechnologies.c...: "TYP files are typical year files custom-developed by White Box Technologies, Inc. for various locations in the world using the same methodologies as used with IWEC2."

shorowit gravatar image shorowit  ( 2021-08-27 09:14:00 -0500 )edit
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Then I think you need to ask Joe what the difference between TYP and TMY are as the IWEC2 methodology resulted in TMY files.

lklawrie gravatar image lklawrie  ( 2021-08-27 09:34:30 -0500 )edit

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Asked: 2021-08-26 14:06:35 -0500

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Last updated: Aug 30