What are the statistically significant global temperature trends?

i'll use handy trend calculator skepticalscience.com com feel free accuse me of using realist's data set. http://skepticalscience.com/trend.php

here trends:

1. rss 1979-1998 (20 years) - trend: 0.082 ±0.155 °c/decade (2σ)
β=0.0082429 σw=0.0018810 ν=17.050 σc=σw√ν=0.0077670

2. gistemp 1980-1998 (19 years) - trend: 0.118 ±0.123 °c/decade (2σ)
β=0.011787 σw=0.0018254 ν=11.420 σc=σw√ν=0.0061687

3. hadcrut4 1986-1998 (12 years) - trend: 0.147 ±0.194 °c/decade (2σ)
β=0.014659 σw=0.0029064 ν=11.093 σc=σw√ν=0.0096803

4. uah 1994-2013 (19 years) - trend: 0.042 ±0.162 °c/decade (2σ)
β=0.0042001 σw=0.0019685 ν=16.855 σc=σw√ν=0.0080816

here these trends: there nothing new having go long period of time global warming statistically significant. reason why global warming has not been statistically significant in last 16 years because talking short of time frame firmly establish trend.

of know statistically significant means, please show reasoning while attempting falsify above statement

i'll use handy trend calculator skepticalscience.com com feel free accuse me of using realist's data set. http://skepticalscience.com/trend.php here trends: 1. rss 1979-1998 (20 years) - trend: 0.082 ±0.155 °c/decade (2σ) β=0.0082429 σw=0.0018810 ν=17.050 ...

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