0.4 between 1960 and 1980. Since then, some rather larger increases.
http://www.drroyspencer.com/wp-content/uploads/UAH_LT_1979_thru_October_2017_v6-1.jpg
We shall start at the median line for 1980, which is about 0. The highest median line since then is 0.5 for 2016. 0.4 + 0.5 since 1960 is 0.9 C. Rather significant.
![UAH_LT_1979_thru_October_2017_v6-1.jpg](/proxy.php?image=http%3A%2F%2Fwww.drroyspencer.com%2Fwp-content%2Fuploads%2FUAH_LT_1979_thru_October_2017_v6-1.jpg&hash=eb9f90369b69b125420e650317f9ab53)
http://www.drroyspencer.com/wp-content/uploads/UAH_LT_1979_thru_October_2017_v6-1.jpg
We shall start at the median line for 1980, which is about 0. The highest median line since then is 0.5 for 2016. 0.4 + 0.5 since 1960 is 0.9 C. Rather significant.