About this river
Saint Joseph River is a 19.2 mile river near Gold Coast Fishing Company in Michigan. Streamflow is measured at the USGS gauge ST. Joseph River at Niles, MI (site 04101500). The National Hydrography Dataset places it at stream order 9. Reach geometry comes from the USGS National Hydrography Dataset.
Typical flow by month
1931 to 2026
Saint Joseph River typically runs highest in April, at a median 5,175 cfs, and lowest in September, at 1,905 cfs. The highest flow on record for any single day is 24,800 cfs, in 2018.
| Month | Typical (cfs) | Usual range (cfs) | Relative level |
|---|---|---|---|
| January | 3,310 | 2,330 to 4,620 | |
| February | 3,570 | 2,490 to 5,040 | |
| March | 5,070 | 3,770 to 6,490 | |
| April | 5,175 | 3,865 to 6,605 | |
| May | 4,200 | 3,170 to 5,460 | |
| June | 3,100 | 2,330 to 4,445 | |
| July | 2,300 | 1,790 to 3,090 | |
| August | 2,010 | 1,590 to 2,620 | |
| September | 1,905 | 1,500 to 2,490 | |
| October | 2,060 | 1,620 to 2,790 | |
| November | 2,495 | 1,915 to 3,520 | |
| December | 2,850 | 2,120 to 4,090 |
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 96 years of record. Statistics published by the US Geological Survey for ST. Joseph River at Niles, MI (site 04101500). 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 Saint Joseph 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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