CMYK not showing in color picker.

[cool cat]

Hi.  My color picker box looks like this (without CMYK values):

Instead of like this:

Anyone know why?  Thanks.

[c.pfaffenbichler · Accepted solution]

Please don’t crop screenshots to exclude relevant parts. 

Is the image 32bit? 

[cool cat]

Never mind.  Apparently it's because when I created a new document I set the color mode at 32 bits instead of 8.