Wabash River at Mt. Carmel, IL: flow right now vs. normal
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—flow right now
—of typical for this month
—gage height
The Wabash River at Mt. Carmel, IL gauge has averaged 27,178 cfs over 99 years of monthly records. Flow is usually highest in April (49,320 cfs) and lowest in September (8,571 cfs).
Typical flow by month
Highest in April (49,320 cfs), lowest in September (8,571 cfs).
Key figures
- Average flow
- 27,178 cfs
- Highest peak on record
- 428,000 cfs
- Year of that peak
- 1913
- Drainage area
- 28,635 sq mi
- Years of records
- 99
- Gauge elevation
- 369 ft
- River
- Wabash River
- County
- Wabash
- State
- Illinois
Monthly numbers
| Month | Average | Median | Lowest | Highest |
|---|---|---|---|---|
| Jan | 35,749 cfs | 22,600 cfs | 2,650 cfs | 208,000 cfs |
| Feb | 37,553 cfs | 30,700 cfs | 3,815 cfs | 152,500 cfs |
| Mar | 48,838 cfs | 47,200 cfs | 4,820 cfs | 108,000 cfs |
| Apr | 49,320 cfs | 48,075 cfs | 12,950 cfs | 122,000 cfs |
| May | 40,339 cfs | 32,900 cfs | 5,500 cfs | 159,000 cfs |
| Jun | 28,440 cfs | 23,625 cfs | 4,750 cfs | 84,950 cfs |
| Jul | 19,424 cfs | 15,100 cfs | 3,300 cfs | 95,800 cfs |
| Aug | 11,162 cfs | 8,820 cfs | 2,430 cfs | 58,700 cfs |
| Sep | 8,571 cfs | 6,430 cfs | 2,500 cfs | 50,650 cfs |
| Oct | 9,035 cfs | 6,390 cfs | 2,440 cfs | 55,000 cfs |
| Nov | 14,036 cfs | 10,065 cfs | 2,500 cfs | 77,200 cfs |
| Dec | 24,320 cfs | 15,300 cfs | 2,000 cfs | 109,000 cfs |
Monthly averages of daily flow over the gauge's record. Lowest and highest are the extreme monthly averages for that month.
How Wabash River at Mt. Carmel, IL compares in Illinois
- Wabash River at Mt. Carmel, IL ranks #6 of 189 gauges in Illinois in this dataset by average flow.
- That places it in the top 4% in Illinois by average flow.
- The median average flow of gauges in Illinois is 99.5 cfs.
- Among all 2,293 gauges in the dataset, Wabash River at Mt. Carmel, IL ranks #18 by average flow.
Data: U.S. Geological Survey (USGS) (public domain, U.S. federal data).· Updated 2026-11-02 · Text generated from the data and checked against it.
Live values are provisional USGS data. Measurements only, not a safety assessment — for flood warnings see the National Weather Service. Official page: USGS 03377500.