30-Year (1990-2019) Annual Average of DAYMET Precipitation and Temperature for North America

This metadata record describes the 30-year annual average of precipitation in millimeters (mm) and temperature (Celsius) during the period 1990?2019 for North America. The source data were produced by and acquired from DAYMET daily climate data (2020) and presented here as a series of two 1-kilometer resolution GeoTIFF files. An open source python code file used to process the data is also included.本元数据记录描述了北美地区1990年至2019年间的30年降水（单位：毫米，mm）与气温（单位：摄氏度，℃）年平均值。原始数据由DAYMET每日气候数据集（2020）生成并获取，本次发布以两份1千米空间分辨率的GeoTIFF文件系列形式呈现该数据集。此外还附带了用于处理该数据的开源Python代码文件。