Tanana River at Nenana AK: flow right now vs. normal
Loading…Latest USGS reading
—flow right now
—of typical for this month
—gage height
The Tanana River at Nenana AK gauge has averaged 24,532 cfs over 64 years of monthly records. Flow is usually highest in July (60,592 cfs) and lowest in March (6,769 cfs).
Typical flow by month
Highest in July (60,592 cfs), lowest in March (6,769 cfs).
Key figures
- Average flow
- 24,532 cfs
- Highest peak on record
- 186,000 cfs
- Year of that peak
- 1967
- Drainage area
- 25,560 sq mi
- Years of records
- 64
- Gauge elevation
- 344 ft
- River
- Tanana River
- County
- Yukon-Koyukuk Census Area
- State
- Alaska
Monthly numbers
| Month | Average | Median | Lowest | Highest |
|---|---|---|---|---|
| Jan | 7,077 cfs | 7,000 cfs | 4,500 cfs | 9,450 cfs |
| Feb | 6,876 cfs | 6,900 cfs | 4,500 cfs | 9,055 cfs |
| Mar | 6,769 cfs | 6,700 cfs | 4,100 cfs | 8,790 cfs |
| Apr | 7,862 cfs | 7,600 cfs | 5,000 cfs | 14,550 cfs |
| May | 30,792 cfs | 27,750 cfs | 12,900 cfs | 64,000 cfs |
| Jun | 46,511 cfs | 45,100 cfs | 26,050 cfs | 86,300 cfs |
| Jul | 60,592 cfs | 60,000 cfs | 44,400 cfs | 77,300 cfs |
| Aug | 57,034 cfs | 56,800 cfs | 38,000 cfs | 83,000 cfs |
| Sep | 33,911 cfs | 32,750 cfs | 19,200 cfs | 59,650 cfs |
| Oct | 17,956 cfs | 18,000 cfs | 11,000 cfs | 26,500 cfs |
| Nov | 9,732 cfs | 9,600 cfs | 5,250 cfs | 14,000 cfs |
| Dec | 7,706 cfs | 7,800 cfs | 4,500 cfs | 11,000 cfs |
Monthly averages of daily flow over the gauge's record. Lowest and highest are the extreme monthly averages for that month.
How Tanana River at Nenana AK compares in Alaska
- Tanana River at Nenana AK ranks #8 of 86 gauges in Alaska in this dataset by average flow.
- That places it in the top 10% in Alaska by average flow.
- The median average flow of gauges in Alaska is 548 cfs.
- Among all 2,293 gauges in the dataset, Tanana River at Nenana AK ranks #22 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 15515500.