The annual change in solar radiation produces large
seasonal temperature fluctuations in the Northern Hemisphere where most of the world's land is now found.
in southern ontario to show primarily two things: one is that summer temperatures are not increasing, only winter temperatures are increasing therefore it is not in fact getting warmer it is only getting less cold (there is no argument that the seasonally averaged trend is rising); two is that the slight averaged rise is extremely small compared to the daily and
seasonal temperature fluctuations.
Not exact matches
The increase in sea surface
temperature over the central and eastern equatorial Pacific known as El Niño, and the corresponding decrease known as La Niña, contribute to
seasonal climate and weather
fluctuations in many regions of the globe.
Surprise, this data is showing a rise of 0.13 C / decade amidst the
seasonal and natural
fluctuations in land
temperature.
Biological specimens endure and thrive in a broad range of conditions and
fluctuations (including diurnal,
seasonal, and short term climatological) all of which are much larger than the slow average annual
temperature rise.
Therefore, proposed mechanisms explaining the
fluctuations in global annual
temperature trends should address this apparent
seasonal asymmetry.
The issue is and has always been that we are picking up delta deviations against a
temperature record that can show rather large
seasonal fluctuations.
These
fluctuations are a useful reminder that «global warming» as yet remains smaller than natural
temperature fluctuations on regional and
seasonal time scales.»
Finally, while we did detect a
seasonal pattern in the number of births from 1980 to 2009, the proportion of male births did not display a
seasonal pattern and monthly
fluctuations in ambient
temperature were unrelated to the proportion of male births.