So weather is basically day to day forecast (rain, sun, clouds) while climate is the all forecasts of an area over years. That’s a simple answer but I hope it helps!
Yes, the region is probably experiencing climate change. This is due to impact of several practices that humans do to the environment. The melting of the polar ice caps and the direction of the wind passes through these states affecting or changing its weather. If humans keep doing this mother nature, humans will be left with a planet that's constantly changing and possibly inhabitable.
It increased slightly if you measure precisely but if you round it did not
