HADCRUT4 Global (15 Years as of April 2013) Published on June 4, 2013June 4, 2013 by sunshinehours1 HADCRUT4 Global (15 Years as of April 2013) – Anomaly From 1961 – 1990. Data from here. With a loess trend line added. Share this:TwitterFacebookLike this:Like Loading... Related