Why is the cpu at 48C in bios?

It changes about 1C from minimum and maximum fan speed. This isn't normal, right? 5600 with stock cooler and pre applied thermal paste. The cooler is screwed in as far as possible

It changes about 1C from minimum and maximum fan speed. This isn't normal, right? 5600 with stock cooler and pre applied thermal paste. The cooler is screwed in as far as possible