The BAS website is a single page application where all sub-pages have the same url; this is a technique for enabling the back button within a site.
So all page have the same url. The [BAS]( site front page (urrgh) says "here" and from that page you have to click "Data" and and on the next page "temperatures" and then you get a complete list of stations and data.

Every designer needs to learn cognitive ergonomics!