Tanana River at Nenana AK
USGS Site No: 15515500 • Tanana River • Yukon-Koyukuk Census Area, AK
Tanana River at Nenana AK on the Tanana River is currently at 29,800 cfs (Very High — 101th percentile for this date) . Gage height: 5.30 ft.
Reading from
Historical Percentile Comparison
Today's discharge compared to the long-term record for October 28 at this station. Percentile rank shows what fraction of historical years had lower flow on this date.
| Percentile | Label | CFS Threshold | Today's Flow |
|---|---|---|---|
| 10th | Very Low threshold | 9,400 | |
| 25th | Low threshold | 11,000 | |
| 50th (Median) | Normal (median) | 13,000 | |
| 75th | High threshold | 15,000 | |
| 95th | Very High threshold | 19,000 |
30-Day Hydrograph
Recent discharge plotted against the historical 10th–95th percentile envelope for the same calendar days. Source: USGS daily values + long-term statistics.
30-Day Flow History
| Date | Discharge (CFS) | Gage Ht (ft) |
|---|---|---|
| May 28, 2026 | 30,700 | — |
| May 27, 2026 | 31,000 | — |
| May 26, 2026 | 30,500 | — |
| May 25, 2026 | 31,300 | — |
| May 24, 2026 | 32,900 | — |
| May 23, 2026 | 32,800 | — |
| May 20, 2026 | 38,200 | — |
| May 19, 2026 | 41,400 | — |
| May 18, 2026 | 46,200 | — |
| May 17, 2026 | 49,800 | — |
| May 16, 2026 | 46,500 | — |
| May 15, 2026 | 45,200 | — |
| Feb 23, 2026 | 12,400 | — |
| Feb 22, 2026 | 12,200 | — |
| Feb 21, 2026 | 12,100 | — |
| Feb 20, 2026 | 12,000 | — |
| Feb 19, 2026 | 11,900 | — |
| Feb 18, 2026 | 11,800 | — |
| Feb 17, 2026 | 11,700 | — |
| Feb 16, 2026 | 11,600 | — |
| Feb 15, 2026 | 11,500 | — |
| Feb 14, 2026 | 11,400 | — |
| Feb 13, 2026 | 11,300 | — |
| Feb 12, 2026 | 11,200 | — |
| Feb 11, 2026 | 11,000 | — |
| Feb 10, 2026 | 10,900 | — |
| Feb 9, 2026 | 10,800 | — |
| Feb 8, 2026 | 10,700 | — |
| Feb 7, 2026 | 10,600 | — |
| Feb 6, 2026 | 10,500 | — |
Station Information
- USGS Site No
- 15515500
- State
- AK
- County
- Yukon-Koyukuk Census Area
- Coordinates
- 64.5649, -149.0940
- Drainage Area
- 25,560 mi²
- Datum (ft)
- 343.7
- HUC Code
- 19080307
Flood Stage Thresholds
- Action Stage
- 11.0 ft
- Flood Stage
- 12.5 ft
- Moderate Flood
- 14.5 ft
- Major Flood
- 16.0 ft
Currently 7.20 ft below flood stage.
Recent Extremes
- Max discharge
-
88,400 cfsAug 31, 2025
- Min discharge
-
8,980 cfsJan 22, 2026
- Days at flood stage
- 0
Computed from the local daily-values archive.
Nearby Gauges
-
Marguerite C above Emma C near Healy AKUnknown40.0 mi · 0 cfs
-
Tanana River at Fairbanks AKVery High40.2 mi · 21,700 cfs
-
Marguerite C 3.6 MI above Emma C near Healy AKUnknown42.0 mi · 0 cfs
-
Chena River at Fairbanks AKVery High45.4 mi · 2,760 cfs
-
Lignite C above Mouth near Healy AKHigh45.8 mi · 30 cfs