Variations in temperature exist, even between closely spaced sites – emphasizing the need to use location-specific data for enhancing the accuracy of the weather-related analysis. Observed trends agree with conventional wisdom however, sparse coverage in populated areas such as Africa and Asia diminish the versatility of the database. Identified spatial variability illustrate the effects of latitude, elevation, landuse and nearest coastline. This research explored geospatial distributions of key HOF (2009) climatic parameters: temperature (dry-bulb, wet-bulb, dew-point and mean) and degree-days at various temporal scales. ASHRAE-HOF is the most widely used climatic design conditions database for building energy and HVAC professionals but gap exists in literature on the geospatial and temporal distributions of the HOF dataset. With so many of the renewable energy sources being significantly dependent on weather, it is essential that the temporal and geospatial variability and distribution of climatic design parameters are investigated for effective planning and operation. Understanding the climate and location aspects are usually the first step in energy applications – from buildings to renewable energy.
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