About this river
Marais des Cygnes River is an 18.8 mile river near Pomona Lake Marina in Kansas. Streamflow is measured at the USGS gauge Marais Des Cygnes R near Ottawa, KS (site 06913500). The National Hydrography Dataset places it at stream order 7. Reach geometry comes from the USGS National Hydrography Dataset.
Typical flow by month
1903 to 2026
Marais des Cygnes River typically runs highest in June, at a median 423 cfs, and lowest in September, at 46 cfs. The highest flow on record for any single day is 134,000 cfs, in 1951.
| Month | Typical (cfs) | Usual range (cfs) | Relative level |
|---|---|---|---|
| January | 90 | 41 to 302 | |
| February | 127 | 51 to 360 | |
| March | 202 | 63 to 695 | |
| April | 252 | 93 to 941 | |
| May | 299 | 93 to 1,190 | |
| June | 423 | 78 to 1,585 | |
| July | 131 | 38 to 495 | |
| August | 48 | 26 to 125 | |
| September | 46 | 21 to 116 | |
| October | 49 | 21 to 164 | |
| November | 61 | 34 to 202 | |
| December | 87 | 37 to 352 |
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 111 years of record. Statistics published by the US Geological Survey for Marais Des Cygnes R near Ottawa, KS (site 06913500). Conditions on any given day can fall well outside the usual range. Check the current reading before you go.
Embed this gauge on your site
Paste this snippet anywhere, an outfitter page, a club site, a trip report, to show Marais des Cygnes 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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