[couchand]

And likewise with temperature. I grew up in Iowa where it fluctuates from over 100F (40C) to below 0F (-20C) but that doesn't give it the same climate as San Francisco's near-constant 70F (20C).

For that matter, colorize high temperatures in red as well.

[thowar2]

Check out http://weatherhobo.com/ for more in depth temperature based filtering.