The Mayor shall be the presiding officer at all meetings of the City Council. In the absence of the Mayor, the Mayor pro tempore or the City Clerk shall call the Council to order, whereupon a temporary presiding officer shall be elected by the Councilmembers present to serve until the arrival of the Mayor or Mayor pro tempore or until adjournment. (Ord. 1486 § 2, 1973; prior code § 1.208).