Mendenhall River near Auke Bay AK
USGS Site No: 15052500 • Mendenhall River • Juneau City and Borough, AK
Mendenhall River near Auke Bay AK on the Mendenhall River is currently at 747 cfs (Normal — 67th percentile for this date) . Gage height: 2.03 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 | 232 | |
| 25th | Low threshold | 342 | |
| 50th (Median) | Normal (median) | 520 | |
| 75th | High threshold | 845 | Today: 747 cfs |
| 95th | Very High threshold | 2,260 |
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 | 781 | — |
| May 27, 2026 | 786 | — |
| May 26, 2026 | 772 | — |
| May 25, 2026 | 769 | — |
| May 24, 2026 | 871 | — |
| May 23, 2026 | 989 | — |
| May 22, 2026 | 1,030 | — |
| May 21, 2026 | 955 | — |
| May 20, 2026 | 906 | — |
| May 19, 2026 | 953 | — |
| May 18, 2026 | 911 | — |
| May 17, 2026 | 1,000 | — |
| May 16, 2026 | 1,050 | — |
| May 15, 2026 | 1,020 | — |
| Apr 20, 2026 | 135 | — |
| Apr 19, 2026 | 136 | — |
| Apr 18, 2026 | 136 | — |
| Apr 17, 2026 | 112 | — |
| Apr 16, 2026 | 100 | — |
| Apr 15, 2026 | 100 | — |
| Apr 14, 2026 | 105 | — |
| Apr 13, 2026 | 108 | — |
| Apr 12, 2026 | 104 | — |
| Apr 11, 2026 | 104 | — |
| Apr 10, 2026 | 100 | — |
| Apr 9, 2026 | 90 | — |
| Apr 8, 2026 | 81 | — |
| Apr 7, 2026 | 80 | — |
| Apr 6, 2026 | 76 | — |
| Apr 5, 2026 | 65 | — |
Station Information
- USGS Site No
- 15052500
- State
- AK
- County
- Juneau City and Borough
- Coordinates
- 58.4294, -134.5746
- Drainage Area
- 85 mi²
- Datum (ft)
- 60.0
- HUC Code
- 19010301
Flood Stage Thresholds
- Action Stage
- 8.0 ft
- Flood Stage
- 9.0 ft
- Moderate Flood
- 10.0 ft
- Major Flood
- 14.0 ft
Currently 6.97 ft below flood stage.
Recent Extremes
- Max discharge
-
21,900 cfsAug 13, 2025
- Min discharge
-
61 cfsApr 3, 2026
- Days at flood stage
- 0
Computed from the local daily-values archive.
Nearby Gauges
-
Montana C near Auke Bay AKNormal2.5 mi · 83 cfs
- Unknown
-
Lemon C near Juneau AKNormal6.1 mi · 98 cfs
-
Greens C at Greens Creek Mine near Juneau AKHigh24.0 mi · 65 cfs
-
Antler River below Antler Lake near Auke Bay AKNormal29.6 mi · 137 cfs