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Around South Branch Kishwaukee River
Public land: USGS PAD-US
About this river
South Branch Kishwaukee River is a 53.3 mile river near St. Charles Paddlewheel Riverboat in Illinois. Streamflow is measured at the USGS gauge South Branch Kishwaukee River at Dekalb, IL (site 05439000). The National Hydrography Dataset places it at stream order 5. Reach geometry comes from the USGS National Hydrography Dataset.
Typical flow by month
1926 to 2026
South Branch Kishwaukee River typically runs highest in March, at a median 70 cfs, and lowest in September, at 2.4 cfs. The highest flow on record for any single day is 2,890 cfs, in 2007.
Show the numbers
| Month | Typical (cfs) | Usual range (cfs) |
|---|---|---|
| January | 22 | 9.4 to 55 |
| February | 27 | 9.8 to 65 |
| March | 70 | 36 to 136 |
| April | 68 | 38 to 135 |
| May | 62 | 30 to 124 |
| June | 52 | 22 to 104 |
| July | 20 | 6.6 to 48 |
| August | 4.5 | 1.4 to 17 |
| September | 2.4 | 0.5 to 11 |
| October | 6.8 | 1.1 to 22 |
| November | 16 | 3.9 to 45 |
| December | 25 | 7.0 to 65 |
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 55 years of record. Statistics published by the US Geological Survey for South Branch Kishwaukee River at Dekalb, IL (site 05439000). 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 South Branch Kishwaukee 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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