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Peak Streamflow for Iowa
Boating safety tips are available from the U.S. Coast Guard.
NOTE: Station Numbers for Iowa precipitation gages have changed (see list).
Table |
Graph |
Tab-separated file |
peakfq (watstore) format |
Reselect output format |
Water Year |
Date | Gage Height (feet) |
Stream- flow (cfs) |
---|---|---|---|
1929 | 1929-03 | 14.005,Bd | 12,8002,7,Bd |
1946 | 1946-03-08 | 11.51 | 5,220 |
1947 | 1947-06-13 | 13.70 | 11,600 |
1948 | 1948-03-19 | 12.87 | 9,580 |
1949 | 1949-03-07 | 12.25 | 6,330 |
1950 | 1950-03-08 | 14.801 | 11,0002 |
1951 | 1951-06-27 | 17.28 | 31,900 |
1952 | 1952-04-01 | 11.91 | 5,800 |
1953 | 1953-08-07 | 8.97 | 2,250 |
1954 | 1954-06-23 | 14.90 | 14,200 |
1955 | 1954-10-16 | 6.32 | 850 |
1956 | 1956-03-29 | 5.61 | 642 |
1957 | 1957-06-19 | 6.82 | 1,040 |
1958 | 1958-07-17 | 5.95 | 712 |
1959 | 1959-03-28 | 12.07 | 4,740 |
1960 | 1960-03-30 | 14.00 | 10,600 |
1961 | 1961-03-27 | 15.40 | 17,400 |
1962 | 1962-03-30 | 14.98 | 14,000 |
1963 | 1963-03-19 | 11.79 | 4,280 |
1964 | 1964-09-12 | 7.90 | 1,330 |
1965 | 1965-04-07 | 15.91 | 16,700 |
1966 | 1966-02-11 | 12.20 | 4,800 |
1967 | 1967-06-12 | 13.44 | 7,560 |
1968 | 1968-07-19 | 14.51 | 10,600 |
1969 | 1969-07-10 | 16.50 | 17,800 |
1970 | 1970-05-17 | 10.33 | 2,590 |
1971 | 1971-03-18 | 12.69 | 6,140 |
1972 | 1972-05-08 | 8.77 | 1,590 |
1973 | 1973-04-18 | 13.17 | 6,090 |
1974 | 1974-06-11 | 14.05 | 10,200 |
1975 | 1975-03-22 | 13.03 | 6,990 |
1976 | 1976-03-15 | 10.88 | 3,150 |
1977 | 1977-09-24 | 5.72 | 387 |
1978 | 1978-06-20 | 13.57 | 7,860 |
1979 | 1979-03-21 | 14.29 | 10,600 |
1980 | 1980-06-15 | 10.60 | 2,860 |
1981 | 1981-06-29 | 11.04 | 3,350 |
1982 | 1982-03-20 | 13.56 | 8,310 |
1983 | 1983-09-22 | 13.65 | 8,730 |
1984 | 1984-06-25 | 13.77 | 9,300 |
1985 | 1985-03-05 | 1,8202 | |
1986 | 1986-03-20 | 13.36 | 6,950 |
1987 | 1986-10-15 | 10.81 | 2,620 |
1988 | 1988-03-06 | 8.94 | 1,390 |
1989 | 1989-03-14 | 9.551 | 1,2502 |
1990 | 1990-07-29 | 18.45 | 23,300 |
1991 | 1991-05-20 | 15.52 | 11,900 |
1992 | 1992-03-13 | 11.54 | 3,380 |
1993 | 1993-04-01 | 16.73 | 17,600 |
1994 | 1994-03-07 | 13.631 | 7,5002 |
1995 | 1995-07-01 | 10.45 | 2,300 |
1996 | 1996-06-09 | 9.53 | 1,590 |
1997 | 1997-06-26 | 12.51 | 5,590 |
1998 | 1998-06-23 | 12.93 | 6,250 |
1999 | 1999-05-17 | 16.09 | 15,200 |
2000 | 2000-06-17 | 12.23 | 4,590 |
2001 | 2001-05-07 | 12.40 | 5,800 |
2002 | 2002-06-22 | 10.24 | 2,010 |
2003 | 2003-05-10 | 11.67 | 3,400 |
2004 | 2004-05-25 | 15.14 | 12,000 |
2005 | 2005-06-29 | 14.42 | 9,220 |
2006 | 2006-05-04 | 11.18 | 2,970 |
2007 | 2007-03-16 | 13.76 | 8,840 |
2008 | 2008-06-10 | 20.82 | 25,900 |
2009 | 2009-05-29 | 13.40 | 5,550 |
2010 | 2010-03-15 | 14.162 | 8,550 |
2011 | 2011-02-23 | 13.04 | 5,030 |
2012 | 2012-05-05 | 8.71 | 1,270 |
2013 | 2013-05-30 | 15.00 | 10,000 |
2014 | 2014-06-22 | 15.60 | 9,720 |
2015 | 2015-06-26 | 11.18 | 2,820 |
2016 | 2016-09-26 | 16.58 | 12,100 |
2017 | 2016-10-01 | 13.05 | 5,020 |
2018 | 2018-09-23 | 15.81 | 11,200 |
2019 | 2019-03-17 | 16.14 | 11,000 |
2020 | 2020-06-25 | 14.35 | 7,170 |
2021 | 2021-03-26 | 8.332 | 1,090 |
2022 | 2022-06-20 | 10.40 | 2,080 |
2023 | 2023-03-02 | 13.23 | 5,280 |