This Weatherbit API returns historical weather data specific to the energy industry from a network of over 120,000 stations. The API allows you to retrieve cooling or heating degree data and other information for sun hours, precipitation, snowfall and more. It is Get requests that returns aggregate energy specific historical weather fields, over a specified time period and UP TO 150 stations. The supported response format is JSON with an API Key required for authentication. Weatherbit.io is historical weather, current weather, and forecasts API's.