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TMY file extension

The table below provides useful information about the .tmy file extension. It answers questions such as:

  • What is the .tmy file?
  • What program do I need to open a .tmy file?
  • How can the .tmy file be opened, edited or printed?
  • How can I convert .tmy files to another format?

We hope you find this page helpful and a valuable resource!

1 extension(s) and 0 alias(es) found in database

✅ Typical Meteorological Year Data

TMY file is an Typical Meteorological Year Data. TMY files are created by looking at 15-30 years of hourly data at the site in question (usually a weather station) and selecting, in series, the most typical January, February, ... and so on of all available years based on a weighted average of eleven weather variables with the selected months knitted together into one synthetic year of typical months.
TMY format description not yet available
Category: Data files
Application: Weather Analytics
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
TMY aliases:
TMY related links:
TMY related extensions:
Actual Meteorological Year Data

Other types of files may also use the .tmy file extension.

🚫 The .tmy file extension is often given incorrectly!

According to the searches on our site, these misspellings were the most common in the past year:

gmy, hmy, my, tly, tm, tmg, tmh, tmt, tny, ty, tym

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

TeXmacs Document
Catalyst Translation Memory Data
The Master Genealogist Data
HemeLB Geometry Data
Adobe Pagemaker Timestamp Data
Hemingway Content Management System Plugin
Windows Trace Message Header File
Yudit Settings
TimeCult Workspace
Adobe Photoshop Elements Backup Catalog

🔴 Can't open a .tmy file?

When you double-click a file to open it, Windows examines the filename extension. If Windows recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When Windows does not recognize a filename extension, you receive the following message:

Windows cannot open this file:


To open this file, Windows needs to know what program you want to use to open it...

If you don't know how to set the .tmy file association, check the FAQ.

🔴 Can I change the extension of files?

Changing the filename extension of a file is not a good idea. When you change a file's extension, you change the way programs on your computer read the file. The problem is, changing the file extension does not change the file format.

If you have helpful information about the .tmy file extension, write to us!

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