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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) |
---|---|---|---|
1984 | 1984-06-15 | 21.90 | 4,930 |
1985 | 1985-07-25 | 15.96 | 1,160 |
1986 | 1986-07-14 | 23.47 | 9,570 |
1987 | 1987-07-12 | 21.07 | 5,660 |
1988 | 1987-12-08 | 12.50 | 328 |
1989 | 1989-09-09 | 22.34 | 6,740 |
1990 | 1990-06-17 | 20.06 | 4,150 |
1991 | 1991-04-18 | 18.28 | 3,140 |
1992 | 1992-04-20 | 22.65 | 6,380 |
1993 | 1993-07-05 | 23.851 | 9,1702 |
1994 | 1994-06-18 | 15.80 | 1,730 |
1995 | 1995-07-04 | 21.182 | 5,880 |
1996 | 1996-05-09 | 20.93 | 5,390 |
1997 | 1997-05-07 | 19.95 | 4,400 |
1998 | 1998-03-30 | 19.00 | 4,270 |
1999 | 1999-07-31 | 22.60 | 6,350 |
2000 | 2000-06-25 | 20.26 | 3,560 |
2001 | 2001-05-10 | 20.23 | 4,390 |
2002 | 2002-05-11 | 17.82 | 2,380 |
2003 | 2003-05-04 | 13.75 | 282 |
2004 | 2004-08-04 | 22.24 | 5,910 |
2005 | 2005-06-12 | 18.622 | 3,650 |
2006 | 2006-08-28 | 23.02 | 6,320 |
2007 | 2007-05-07 | 22.88 | 8,750 |
2008 | 2008-06-06 | 21.67 | 7,180 |
2009 | 2009-03-24 | 22.60 | 6,060 |
2010 | 2010-06-05 | 23.98 | 10,300 |
2011 | 2011-06-27 | 22.09 | 5,950 |
2012 | 2012-03-30 | 23.95 | 8,710 |
2013 | 2013-06-15 | 22.23 | 7,860 |
2014 | 2014-06-04 | 21.592 | 7,080 |
2015 | 2015-07-29 | 22.90 | 8,200 |
2016 | 2016-07-18 | 21.51 | 7,180 |
2017 | 2017-04-05 | 17.802 | 2,260 |
2018 | 2018-05-02 | 22.38 | 6,580 |
2019 | 2019-05-29 | 21.86 | 5,720 |
2020 | 2020-05-25 | 20.32 | 5,600 |
2021 | 2021-03-15 | 20.035 | 4,9402 |
2022 | 2021-10-24 | 17.52 | 2,760 |
2023 | 2023-02-27 | 18.61 | 3,880 |