Even I Can See That Doesn't Add Up

I know that the Weather Channel is about weather, and not math, but I think they're flunking the basics anyway. Compare what I circled in red with the red numbers staggering* down the left side.
*MS Paint is not the best editing tool, but it gets the point across.

Also, that is not a lot of sunshine in the tenfifteen-day forecast, is it? Sigh. If I can't have real warmth, I would at least like the sun to be out.