Temp differences - lower vs upper grates WSM

[yankee2bbq]

I was wanting to know what the temperature differences were between the lower cooking grate vs the upper cooking grate? I have the 22.5 WSM. I am also thinking about putting an external temp gauge (3in river country) located on the barrel of the WSM were the lower grate is located.

 

[motocrash]

I have no idea of the temp diffs on the 22 as I have the 14.I would put the 20 bucks of the analog therm cost toward a multiple probe digital.

 

[SmokinAl]

My 22.5 runs about 15 degrees cooler on the bottom rack, but I use water in the pan.
As said above a multiple probe therm is the easiest way to check your own setup.
Al

 

[yankee2bbq]

Sounds good. Thanks for the help guys.