Could this temperature reading be wrong?

[msteele8820]

I'm using SpeedFan to read the temp of my computer. The readings are as follows

Temp 1: 27C
Temp 2: 29C (Pretty sure this is my CPU)
Temp 3: 79C
Core: 21C

Could that temp 3 be wrong? I've checked in BIOS and it said my CPU was around 27C and there was another reading of something else around 25C.

 

[CompuTronix]

Temp 3 is quite probably an unassigned input, thus the erroneous temperature. It can be disabled by clicking on "Configure" then unchecking Temp 3 under the "Temperatures" tab.