Top temp is probe inserted into the side grommet on my WSM, bottom is probe attached to the grate. Both are thermoworks temp probes. Which one are you going by? I wonder why there's such a large difference? : r/smoking
ThermoWorks Smoke Remote Duel Probe Thermometer – The Happy Cook
Thermoworks DOT Thermometer BLUE | Smokin' Deal BBQ
ThermoWorks Smoke Remote Duel Probe Thermometer – The Happy Cook