Much above average runoff continues in the upper Missouri River basin. April runoff in the upper basin, the Missouri River above Sioux City, Iowa, was 7.8 million acre feet (MAF), the third highest April runoff in the 121 years of record. The average April runoff is 2.9 MAF. Runoff in the Gavins Point Dam to Sioux City reach was 2.3 MAF, the second highest April runoff for this reach. The total March-April runoff for the upper basin was 18.7 MAF, which is the highest March-April runoff since record-keeping began in 1898, exceeding the previous record of 15.9 MAF, which occurred in 1952.