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Installing a Weather Station to Collect Microclimate Information
September 16, 2010

Weather Station
Figure 1: Weather Station is installed on the roof.

A key aspect of collecting data pertaining to building performance is to accurately measure both the indoor and outdoor environment. The correlation of these data may reveal behavioral patterns of interaction between the indoor and outdoor conditions. Therefore, in addition to our indoor sensor-network implementation we have installed a weather station to collect microclimate information. While many analyses in energy modeling methods use weather files acquired through the nearest airport as input, we are interested in real-time sensing of weather data that can be directly fed into our system. Furthermore, we believe that collecting microclimate information will give us a finer resolution of site specific data.

Our weather station is called WeatherHawk and can measure the following:

  • Atmospheric pressure
  • Atmospheric temperature and relative humidity
  • Evapotranspiration
  • Irradiance caused by solar radiation
  • Rainfall
  • Wind Speed and direction

The data collected is transmitted through a radio modem to a local computer that subsequently transfers the data to our server over HTTP. The following figures illustrate sensor charts of various factors for a selected timeline.

Temperature Data
Solar Radiation Data
Wind Speed Data
Figure 2: Sensor Charts collected from 210 King weather station.
(Top to bottom) Temperature, solar radiation, and wind speed.

Useful links
Weather Hawk

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