Tioughnioga River at Cortland NY
USGS Site No: 01509000 • Tioughnioga River • Cortland County, NY
Tioughnioga River at Cortland NY on the Tioughnioga River is currently at 474 cfs (Normal — 72th percentile for this date) . Gage height: 3.83 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 | 56 | |
| 25th | Low threshold | 87 | |
| 50th (Median) | Normal (median) | 172 | |
| 75th | High threshold | 511 | Today: 474 cfs |
| 95th | Very High threshold | 1,620 |
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 | 563 | — |
| May 27, 2026 | 704 | — |
| May 26, 2026 | 1,040 | — |
| May 25, 2026 | 1,190 | — |
| May 24, 2026 | 503 | — |
| May 23, 2026 | 361 | — |
| May 22, 2026 | 333 | — |
| May 21, 2026 | 359 | — |
| May 20, 2026 | 387 | — |
| May 19, 2026 | 417 | — |
| May 18, 2026 | 461 | — |
| May 17, 2026 | 510 | — |
| May 16, 2026 | 551 | — |
| May 15, 2026 | 605 | — |
| Apr 21, 2026 | 1,390 | — |
| Apr 20, 2026 | 1,750 | — |
| Apr 19, 2026 | 1,750 | — |
| Apr 18, 2026 | 799 | — |
| Apr 17, 2026 | 810 | — |
| Apr 16, 2026 | 758 | — |
| Apr 15, 2026 | 749 | — |
| Apr 14, 2026 | 772 | — |
| Apr 13, 2026 | 810 | — |
| Apr 12, 2026 | 881 | — |
| Apr 11, 2026 | 993 | — |
| Apr 10, 2026 | 1,010 | — |
| Apr 9, 2026 | 1,170 | — |
| Apr 8, 2026 | 1,370 | — |
| Apr 7, 2026 | 1,680 | — |
| Apr 6, 2026 | 2,170 | — |
Station Information
- USGS Site No
- 01509000
- State
- NY
- County
- Cortland County
- Coordinates
- 42.6027, -76.1594
- Drainage Area
- 292 mi²
- Datum (ft)
- 1,084.5
- HUC Code
- 02050102
Flood Stage Thresholds
- Action Stage
- 7.0 ft
- Flood Stage
- 8.0 ft
- Moderate Flood
- 10.0 ft
- Major Flood
- 12.5 ft
Currently 4.17 ft below flood stage.
Recent Extremes
- Max discharge
-
5,640 cfsApr 1, 2026
- Min discharge
-
62 cfsOct 6, 2025
- Days at flood stage
- 0
Computed from the local daily-values archive.
Nearby Gauges
-
Grout Brook Near Fair Haven NYVery High11.0 mi · 22 cfs
-
Otselic River at Cincinnatus NYNormal13.9 mi · 151 cfs
-
Owasco Inlet Below Aurora Street at Moravia NYNormal16.0 mi · 180 cfs
-
Fall Creek Near Ithaca NYNormal19.0 mi · 142 cfs
-
Salmon Creek Near Ludlowville NYNormal19.4 mi · 73 cfs