CNN New Day Sunday June 30, 2013 10:03:00
Important. >> heat can hurt. and if i don't take the right temperature, then we may tell them, oh, it's cool enough to go out and hike the sand dunes or it's cool enough to go hike golden canyon. it is not. >> reporter: ranger jay snow's checks and balances -- >> let me check the water temperature. >> reporter: -- at this unassuming little post is a part of death valley. >> when we say the temperature was recorded four foot off the ground back in, there it is. >> reporter: was that the box from 1913? >> i have no idea, but it looks like it's from 1913. >> reporter: there's a bit of a debate ov...