ZLabe OP , 9 hours ago @hawe11 This is the standard reference period that is officially used by NASA, who produces the dataset GISTEMPv4. See https://data.giss.nasa.gov/gistemp/faq/#q102.
@hawe11 This is the standard reference period that is officially used by NASA, who produces the dataset GISTEMPv4. See https://data.giss.nasa.gov/gistemp/faq/#q102.