«The lack of a substantial average temperature difference across classes, once the geographical distribution of stations is taken into account, is also consistent with the lack of significant trend differences in average temperatures... average temperature trends were statistically indistinguishable across classes.» (skepticalscience.com)
Have you developed any ideas on the small 1997 - 2012 global average trend difference from Berkeley Land + Ocean? (skepticalscience.com)
Of the 11 improvements in ERSST version 4 (13), the continuation of the ship correction had the largest impact on trends for the 2000 - 2014 time period, accounting for 0.030 °C of the 0.064 °C trend difference with version 3b. (climateaudit.org)