US Midwest having its coldest beginning of year ever

I finally replicated Steve Goddard’s Charts!  And now have my solver added.

Compare and contrast: http://stevengoddard.wordpress.com/2014/04/29/coldest-year-on-record-so-far-in-the-midwest/

Steve’s:

And mine:

That is some serious cooling going on here in the midwest.  About 1.5°F cooler now than in 1900.

You can do this too with Steve’s code, available here:  http://stevengoddard.wordpress.com/ghcn-code/