About this river
River Raisin is a 13.8 mile river near Gallup Park Canoe & Kayak in Michigan. Streamflow is measured at the USGS gauge River Raisin near Monroe, MI (site 04176500). The National Hydrography Dataset places it at stream order 6. Reach geometry comes from the USGS National Hydrography Dataset.
Typical flow by month
1937 to 2026
River Raisin typically runs highest in March, at a median 1,220 cfs, and lowest in September, at 143 cfs. The highest flow on record for any single day is 14,600 cfs, in 1982.
| Month | Typical (cfs) | Usual range (cfs) | Relative level |
|---|---|---|---|
| January | 458 | 275 to 905 | |
| February | 514 | 295 to 1,170 | |
| March | 1,220 | 743 to 2,110 | |
| April | 1,023 | 678 to 1,900 | |
| May | 620 | 385 to 1,140 | |
| June | 407 | 252 to 709 | |
| July | 196 | 130 to 336 | |
| August | 158 | 108 to 244 | |
| September | 143 | 99 to 231 | |
| October | 177 | 124 to 277 | |
| November | 289 | 188 to 555 | |
| December | 420 | 246 to 788 |
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 89 years of record. Statistics published by the US Geological Survey for River Raisin near Monroe, MI (site 04176500). 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 River Raisin'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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