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ASHRAE Climate Data Center

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Ensure that your Load or Energy Calculations Are Based on Climate Data from ASHRAE:

International Weather for Energy Calculations, version 2.0

International Weather DVD.jpg Purchase the DVD or Individual Files

This DVD contains "typical" weather files, suitable for use with building energy simulation programs, for 3,012 locations outside the United States and Canada.

DVD files format: CSV

pdf_icon.png View a list of station locations for IWEC2 files
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Individual Files and Sets

climate_data_333px.jpgASHRAE, in collaboration with White Box Technologies (WBT), provides instant web access to ASHRAE's IWEC2 weather files for individual purchase or as sets by country or region.

Individual and sets files formats: EPW, BINM, and CSV
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Chapter 14, Climatic Design Information, from the 2017 ASHRAE Handbook—Fundamentals

worldwide climate data.jpgWorldwide Climate Data for HVAC Calculations

Includes climatic design information tables (from ASHRAE Research Project RP-1699) for 8,118 locations in the United States, Canada, and around the world—information used for design, sizing, distribution, installation, and marketing of HVAC and dehumidification equipment, as well as for other energy-related processes in residential, agricultural, commercial, and industrial applications.

Tables, included as a .zip file with the purchase of the chapter (.pdf), include dry-bulb, wet-bulb, and dew-point temperatures; wind speed with direction at various frequencies of occurrence; monthly degree-days to various bases; precipitation; and parameters to calculate clear-sky irradiance. Information includes monthly and annual percentiles, to provide seasonally representative combinations of temperature, humidity, and solar conditions.

pdf_icon.png View a list of station locations with table data in Chapter 14
 View a sample station data table 

Priced from $69 / 48 pages / 2017

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Looking for SI Edition?

Weather Data Viewer DVD, Version 6.0

weather data viewer.jpgWeather Data Viewer enables users to view the frequency tables and joint frequency matrices for all 8,118 stations provided in the 2017 ASHRAE Handbook—Fundamentals.

Using Microsoft® Excel®, users can display the tables in numeric form or plot the frequency distribution, the cumulative distribution function, and the mean coincident functions. Also available are joint frequency matrices of dry-bulb temperature and time of day (also known as temperature bin data) and additional information, such as time zones of the stations and the months and years that were used for station design condition calculations. Weather Data Viewer also provides calculators to implement various calculation methods found in the Handbook, such as those for return period minimum/maximum temperatures, degree-days to any base, design day temperature, clear sky solar radiation, and load calculation data, as well as a bin data generator.

pdf_icon.png  View a list of station locations with data on WDV 6.0
pdf_icon.png WDV 6.0 features preview
Data licensing information

Priced from $130 (Members pay $110) / Software / 2017 

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Standard 169-2013, Climatic Data for Building Design Standards

climatic data.jpgANSI/ASHRAE Standard 169-2013, Climatic Data for Building Design Standards, serves as a comprehensive source of climate data for those involved in building design, and provides a variety of climatic information for designing, planning, and sizing building energy systems and equipment.

Standard 169 is accompanied by online supporting files for climatic data and design conditions, as well as tables and figures. Data and tables have been completely revised for the 2013 edition.

The standard includes climate zone maps and data for the entire world. An additional "Extremely Hot" Climate Zone 0 with humid (0A) and dry (0B) zones has been added, and the standard includes climatic data for 5564 locations throughout the world (from ASHRAE Research Project RP-1453, as published in the 2009 ASHRAE Handbook--Fundamentals).

The standard provides dry-bulb, dew-point and wet-bulb temperatures; enthalpy; humidity ration; wind conditions; solar irradiation; latitude; longitude; and elevation for locations worldwide. Standard 169 also includes statistical data, such as mean temperatures; daily ranges; degree hours; and seasonal percentages within ranges of temperatures.

Files formats: PDF, XLS

Data licensing information

Priced from $72 (Members pay $61) / Softcover / 2013 

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