This would be an intermittent fever pattern. Intermittent fevers are changeable, but at least once in each 24 hour period they will return to normal. If it were a fever pattern that never returned to normal and varied a few degrees either way, that would be a remitting fever. If the temperature always stays higher than normal with little to no variation, that is a sustained fever pattern. If it were on or more fever episodes over several days with at least one day of normal body temp in between each episode, this would be relapsing fever.