Tanana River at Nenana AK

USGS Site No: 15515500Tanana River • Yukon-Koyukuk Census Area, AK

Tanana River at Nenana AK on the Tanana River is currently at 29,800 cfs (Low — 16th percentile for this date) . Gage height: 5.30 ft.

Reading from

29,800
CFS Discharge
5.30
Gage Height (ft)
Low
Flow Condition
Normal
Flood Status

Historical Percentile Comparison

Today's discharge compared to the long-term record for June 11 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 27,100
25th Low threshold 33,600 Today: 29,800 cfs
50th (Median) Normal (median) 40,800
75th High threshold 49,900
95th Very High threshold 70,200

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.

79k 39k 0 cfs Feb 6 May 28
10th–95th historical Day-of-year median Recent discharge

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
Coordinates
64.5649, -149.0940
Drainage Area
25,560 mi²
Datum (ft)
343.7
HUC Code
19080307
View on USGS NWIS →

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 cfs
Aug 31, 2025
Min discharge
8,980 cfs
Jan 22, 2026
Days at flood stage
0

Computed from the local daily-values archive.

Nearby Gauges