Clear Lake Boats - Marina: Rentals/Gas/Barge
Iowa River near Clear Lake Boats - Marina: Rentals/Gas/Barge
About this river
Iowa River is a 6.0 mile river near Clear Lake Boats - Marina: Rentals/Gas/Barge in Iowa. Streamflow is measured at the USGS gauge Iowa River near Rowan, IA (site 05449500). The National Hydrography Dataset places it at stream order 5. Reach geometry comes from the USGS National Hydrography Dataset.
Typical flow by month
1941 to 2026
Iowa River typically runs highest in April, at a median 316 cfs, and lowest in January, at 39 cfs. The highest flow on record for any single day is 7,640 cfs, in 2008.
| Month | Typical (cfs) | Usual range (cfs) | Relative level |
|---|---|---|---|
| January | 39 | 20 to 91 | |
| February | 44 | 22 to 92 | |
| March | 220 | 89 to 522 | |
| April | 316 | 144 to 669 | |
| May | 288 | 136 to 582 | |
| June | 295 | 121 to 765 | |
| July | 170 | 72 to 376 | |
| August | 67 | 39 to 120 | |
| September | 56 | 28 to 123 | |
| October | 60 | 30 to 199 | |
| November | 79 | 31 to 178 | |
| December | 58 | 25 to 117 |
Typical is the median of each month’s daily median values, and the usual range runs from the median 25th to the median 75th percentile, across about 85 years of record. Statistics published by the US Geological Survey for Iowa River near Rowan, IA (site 05449500). Conditions on any given day can fall well outside the usual range. Check the current reading before you go.
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Paste this snippet anywhere, an outfitter page, a club site, a trip report, to show Iowa River's live streamflow, water level and 7-day trend. It reads the USGS gauge directly, updates itself, and links back here.
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