The Weatherbit API returns 30 year historical climate normals ranging from monthly to hourly intervals with a period of calculation of 1981 to 2010. Data is sourced from the ERA5-Land dataset. Developers can programatically retrieve temporal averages for temperature, dew point, wind speed, precipitation, and snowfall. This API supports a spatial resolution of 9 kilometers. The Weatherbit Climate Normals API features REST architecture, and JSON formatted responses.