Alabama River near Montgomery, AL: flow right now vs. normal
Loading…Latest USGS reading
—flow right now
—of typical for this month
—gage height
The Alabama River near Montgomery, AL gauge has averaged 20,837 cfs over 88 years of monthly records. Flow is usually highest in March (38,651 cfs) and lowest in September (9,560 cfs).
Typical flow by month
Highest in March (38,651 cfs), lowest in September (9,560 cfs).
Key figures
- Average flow
- 20,837 cfs
- Highest peak on record
- 322,000 cfs
- Year of that peak
- 1886
- Drainage area
- 15,087 sq mi
- Years of records
- 88
- Gauge elevation
- 98 ft
- River
- Alabama River
- County
- Montgomery
- State
- Alabama
Monthly numbers
| Month | Average | Median | Lowest | Highest |
|---|---|---|---|---|
| Jan | 30,430 cfs | 24,800 cfs | 4,800 cfs | 93,400 cfs |
| Feb | 36,769 cfs | 33,300 cfs | 9,250 cfs | 118,000 cfs |
| Mar | 38,651 cfs | 33,300 cfs | 7,240 cfs | 120,000 cfs |
| Apr | 32,719 cfs | 28,000 cfs | 5,995 cfs | 120,000 cfs |
| May | 20,185 cfs | 17,700 cfs | 5,000 cfs | 78,100 cfs |
| Jun | 13,640 cfs | 12,150 cfs | 4,940 cfs | 37,850 cfs |
| Jul | 12,483 cfs | 10,400 cfs | 4,000 cfs | 39,600 cfs |
| Aug | 10,289 cfs | 9,940 cfs | 4,290 cfs | 22,800 cfs |
| Sep | 9,560 cfs | 8,845 cfs | 4,250 cfs | 27,550 cfs |
| Oct | 10,147 cfs | 8,495 cfs | 3,380 cfs | 39,800 cfs |
| Nov | 13,815 cfs | 11,225 cfs | 2,455 cfs | 78,700 cfs |
| Dec | 22,333 cfs | 16,100 cfs | 2,180 cfs | 94,500 cfs |
Monthly averages of daily flow over the gauge's record. Lowest and highest are the extreme monthly averages for that month.
How Alabama River near Montgomery, AL compares in Alabama
- Alabama River near Montgomery, AL ranks #3 of 134 gauges in Alabama in this dataset by average flow.
- That places it in the top 3% in Alabama by average flow.
- The median average flow of gauges in Alabama is 198 cfs.
- Among all 2,293 gauges in the dataset, Alabama River near Montgomery, AL ranks #30 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 02420000.