Where do the weather data used in Eco come from?

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Jason.Henning
i-Tree Team
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Joined: Fri Dec 21, 2012 7:45 am

Where do the weather data used in Eco come from?

Post by Jason.Henning » Thu Jan 10, 2013 3:54 pm

All weather data come from the network of weather stations available from the National Climate Data Center (http://www.ncdc.noaa.gov/). For users in the US, Canada, Australia and the United Kingodm users select the specific location of the weather station to use during the project setup within i-Tree Eco. For other users a weather station is selected for you using the information submitted with your project.

For U.S. users, air quality and weather data are now available in Eco v6 for multiple years from 2005 -2013. Individual station data availability varies and different stations may or may not have data available depending on the year selected.

Canadian Eco projects are processed with default weather and air quality data from the year 2010. Australian Eco projects are processed with default weather and air quality data based on availability for states and territories within the country. Australian Capital Territory, New South Wales, Tasmania and Victoria use default data for the year 2010. Northern Territory, Queensland, South Australia and Western Australia use default data from the year 2011. The United Kingdom has 2013 air quality and pollution data available.

If you would like to see the actual weather data, you can use the map tool at http://gis.ncdc.noaa.gov/map/viewer/#ap ... 1&node=gis. Navigate to the weather station used in your project and use the select tool to isolate that station. You can then download data from the date range of interest. The date range used in Eco always covers the same period as the pollution/air quality data.

Note: international users may indicate which station’s data they would like to be used in Eco by submitting the stations name and AWS id number. This station will only be used if it collected all of the necessary variables for the required date range. International weather data may occasionally be missing hourly precipitation (PCP01) values, which is required in the i-Tree Eco analysis. Therefore, the closest available weather station may not always have the data required for analysis.
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