Dancing Bell Curve

Click on animation to restart!

Right below the progress bar at the bottom of the animation, you can change the season (summer or winter) and data interval (annual or decadal).

Contains modified Copernicus Climate Change Service information — ERA5 (Hersbach et al. 2020), ECMWF. Free to reuse with credit: celsius.earth · ERA5 (Copernicus C3S / ECMWF).

Source: https://celsius.earth/motion/bell-curve and many other animations too!!!

Want more background, see Perception of climate change by James Hansen, Makiko Sato , & Reto Ruedy.