What does NASA GISTEMP Data for May 2017 tell us?

NASA maintains the GISS Surface Temperature Analysis (GISTEMP) data set, and so on a monthly basis there is an update. What exactly is GISTEMP? GISTEMP is an estimate of global surface temperature change. They collect raw data files from NOAA GHCN v3 (meteorological stations), ERSST v4 (ocean areas), and SCAR (Antarctic stations). This is all then combined. … Read more

Arctic Sea Ice – Update for May 2017

On a regular basis the National Snow and Ice Data Centre (NSIDC) issue a monthly update regarding any and all observations and data gathered during the previous month. Their update for May 2017 has now been issued, so what does it tell us? Quick summary It has been an average month, except for the Chukchi … Read more