There was
a slight decline in temperature over the last several thousand years, up until humans started using fossil fuels, and since then there has been a rise.
Not exact matches
The graph of ocean heat content shows a
slight decline in the year 2010; this co-occurred with a
decline in sea surface and a record (or near record) surface
temperature.
In the graph below a
slight statistical
decline of global
temperatures can be seen after the peak warm year of 1945.
And from this time we have
slight and steady
decline in global average
temperature.
Actually as the graph shows there is a
slight declining trend
in the annual increases
in temperatures at Mauna Loa.