Johnson Creek at Sycamore, OR
USGS Site No: 14211500 • Johnson Creek • Multnomah County, OR
Johnson Creek at Sycamore, OR on the Johnson Creek is currently at 3 cfs (Low — 11th percentile for this date) . Gage height: 1.26 ft.
Reading from
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 | 3 | |
| 25th | Low threshold | 4 | Today: 3 cfs |
| 50th (Median) | Normal (median) | 6 | |
| 75th | High threshold | 15 | |
| 95th | Very High threshold | 60 |
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 | 3 | — |
| May 27, 2026 | 4 | — |
| May 26, 2026 | 6 | — |
| May 25, 2026 | 4 | — |
| May 24, 2026 | 3 | — |
| May 23, 2026 | 3 | — |
| May 22, 2026 | 4 | — |
| May 21, 2026 | 4 | — |
| May 20, 2026 | 4 | — |
| May 19, 2026 | 4 | — |
| May 18, 2026 | 6 | — |
| May 17, 2026 | 11 | — |
| May 16, 2026 | 9 | — |
| May 15, 2026 | 6 | — |
| Apr 20, 2026 | 21 | — |
| Apr 19, 2026 | 25 | — |
| Apr 18, 2026 | 31 | — |
| Apr 17, 2026 | 40 | — |
| Apr 16, 2026 | 64 | — |
| Apr 15, 2026 | 74 | — |
| Apr 14, 2026 | 17 | — |
| Apr 13, 2026 | 24 | — |
| Apr 12, 2026 | 20 | — |
| Apr 11, 2026 | 33 | — |
| Apr 10, 2026 | 12 | — |
| Apr 9, 2026 | 12 | — |
| Apr 8, 2026 | 13 | — |
| Apr 7, 2026 | 14 | — |
| Apr 6, 2026 | 16 | — |
| Apr 5, 2026 | 18 | — |
Station Information
- USGS Site No
- 14211500
- State
- OR
- County
- Multnomah County
- Coordinates
- 45.4775, -122.5080
- Drainage Area
- 27 mi²
- Datum (ft)
- 228.5
- HUC Code
- 17090012
Flood Stage Thresholds
- Action Stage
- 10.0 ft
- Flood Stage
- 11.0 ft
- Moderate Flood
- 13.0 ft
- Major Flood
- 14.0 ft
Currently 9.74 ft below flood stage.
Recent Extremes
- Max discharge
-
1,060 cfsDec 9, 2025
- Min discharge
-
1 cfsSep 10, 2025
- Days at flood stage
- 0
Computed from the local daily-values archive.
Nearby Gauges
-
Kelly Creek at Kane Road Near Gresham, ORUnknown5.7 mi · 1 cfs
-
Clear Creek at Carver, ORUnknown6.1 mi · 0 cfs
-
Beaver Creek at Troutdale, ORVery Low6.4 mi · 1 cfs
-
Willamette River at Portland, ORVery Low8.3 mi · -2,640 cfs
-
Fanno Creek at 56th Ave, at Portland, ORNormal11.0 mi · 0 cfs