Canandaigua Outlet at Chapin NY
USGS Site No: 04235000 • Ontario County, NY
Canandaigua Outlet at Chapin NY is currently at 185 cfs (High — 81th percentile for this date) . Gage height: 3.98 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 | 22 | |
| 25th | Low threshold | 32 | |
| 50th (Median) | Normal (median) | 41 | |
| 75th | High threshold | 70 | |
| 95th | Very High threshold | 467 | Today: 185 cfs |
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 | 185 | — |
| May 27, 2026 | 188 | — |
| May 26, 2026 | 198 | — |
| May 25, 2026 | 270 | — |
| May 24, 2026 | 264 | — |
| May 23, 2026 | 185 | — |
| May 22, 2026 | 155 | — |
| May 21, 2026 | 154 | — |
| May 20, 2026 | 166 | — |
| May 19, 2026 | 499 | — |
| May 18, 2026 | 635 | — |
| May 17, 2026 | 657 | — |
| May 16, 2026 | 672 | — |
| May 15, 2026 | 692 | — |
| Apr 21, 2026 | 812 | — |
| Apr 20, 2026 | 844 | — |
| Apr 19, 2026 | 908 | — |
| Apr 18, 2026 | 807 | — |
| Apr 17, 2026 | 1,020 | — |
| Apr 16, 2026 | 787 | — |
| Apr 15, 2026 | 716 | — |
| Apr 14, 2026 | 729 | — |
| Apr 13, 2026 | 739 | — |
| Apr 12, 2026 | 761 | — |
| Apr 11, 2026 | 789 | — |
| Apr 10, 2026 | 827 | — |
| Apr 9, 2026 | 863 | — |
| Apr 8, 2026 | 885 | — |
| Apr 7, 2026 | 915 | — |
| Apr 6, 2026 | 944 | — |
Station Information
- USGS Site No
- 04235000
- State
- NY
- County
- Ontario County
- Coordinates
- 42.9182, -77.2328
- Drainage Area
- 195 mi²
- Datum (ft)
- 670.9
- HUC Code
- 04140201
Flood Stage Thresholds
- Action Stage
- 6.0 ft
- Flood Stage
- 7.0 ft
- Moderate Flood
- 8.0 ft
- Major Flood
- 9.0 ft
Currently 3.02 ft below flood stage.
Recent Extremes
- Max discharge
-
1,040 cfsApr 5, 2026
- Min discharge
-
21 cfsDec 27, 2025
- Days at flood stage
- 0
Computed from the local daily-values archive.
Nearby Gauges
-
Mud Creek at East Victor NYUnknown8.5 mi
-
Flint Creek at Phelps NYHigh8.8 mi · 113 cfs
-
Ganargua Creek at Macedon NYNormal10.8 mi · 89 cfs
-
Erie (barge) Canal at Lock 30 at Macedon NYNormal11.1 mi · 168 cfs
- Unknown