Vendor Contact: David Whitehead Meteorological Data Manager MDA Federal Inc. David.Whitehead@MDAFederal.com +01 (1) 240 833-8233

Description: MDA Federal Inc. (formerly Earth Satellite Corp.) supplies United States weather data sourced directly from the National Weather Services (NWS) and the National Climate Data Center (NCDC).

• Raw, Cleaned, and Edited Maximum and Minimum Temperatures (historical data, ongoing feeds, forecasts)
• Enhanced Maximum and Minimum Temperatures (historical data, ongoing data, monthly station reports)
• Raw, Cleaned, and Edited Precipitation (historical data, ongoing feeds, forecasts)

Data Supplied:

Historical Data:

• Cleaned Max and Min Temperature Observations (climate)
• Cleaned Precipitation Observations (climate)
• Heating/Cooling Degree Days*

Ongoing Data:

• Max and Min Temperature Obs (raw/cleaned daily climate data, preliminary, and official final edited climate data)
• Precipitation Obs (raw/cleaned daily climate data, preliminary, and official final edited climate data)
• Heating/Cooling Degree Days*

Forecast Data:

• Max and Min Temperature Forecast
• Precipitation Forecast
• Heating/Cooling Degree Days*

* Morningstar calculates heating degree days is 0 when the average is 65 or over and is (65 - average) when under 65. Cooling degree days is 0 when the average is 65 or under and is (average - 65) when over 65. Average temperature is computed using (high + low) / 2.

Pricing: Vendor negotiated

Update Frequency: Daily

Website: www.mdafederal.com

As part of a broad re-branding initiative by its parent company, MacDonald Dettwiler and Associates Ltd. (MDA), Earth Satellite Corp., of Rockville, MD, is being renamed MDA Federal Inc. From now on, the company will conduct its business under the common brand name “MDA.” For more info visit: www.mdafederal.com/press/news_item.mdarenaming