There is a mass of data and detailed explanations of the temperature accumulation and importantly the correction process...
Of interest among the man charts is this chart of corrections applied...
NOAA provides a summary of the adjustments made to the USHCN temperature data as shown in the following figure. [http://www.ncdc.noaa.gov/oa/climate/research/ushcn/ushcn.html] The report states: “The cumulative effect of all adjustments is approximately a one-half degree Fahrenheit warming in the annual time series over a 50-year period from the 1940's until the last decade of the century.” This is similar to the total amount of warming “observed”.
and of course this one...
The following figure shows the global satellite temperature anomalies since satellite data first started to become available in 1979. From 1979 to 1997 there was no warming. Following the major El Nino in 1997-98, there was a residual warming and since then, no warming. All of the warming occurred in a single year.
But spend some time looking, reading and deciding for yourself...
