Persian Gulf as "The Northwestern limit of Gulf of Oman". This limit is defined as "A line joining Ràs Limah (25°57'N) on the coast of Arabia and Ràs al Kuh (25°48'N) on the coast of Iran (Persia)". The gulf is connected to Indian Ocean through Strait of Hormuz. Writing the water balance budget for the Persian Gulf, the inputs are river discharges from Iran and Iraq (estimated to be 2000 cubic meters per second), as well as precipitation over the sea which is around 180mm/year in Qeshm Island. The evaporation of the sea is high, so that after considering river discharge and
Persian Gulf (horse) winners included the British Classic Race winners Parthia and Zabara, the leading stayer Zarathustra and the Champion Hurdler Persian War. Other good horses sired by Persian Gulf included Abadan (Cork and Orrery Stakes, Diadem Stakes), Agreement (Doncaster Cup), Arabian Night (second in the 1954 Epsom Derby), Persian Road (Ebor Handicap, sire of Dark Mirage), Queen of Sheba (Irish 1000 Guineas, Royal Hunt Cup), Rustam (Champagne Stakes) and Tamerlane (St James's Palace Stakes). He died in 1964 at the age of 24. Persian Gulf (horse) Persian Gulf (1940–1964) was a British Thoroughbred racehorse and sire, who raced during World War II.