Niagara River at Buffalo NY

USGS Site No: 04216000 • Niagara River • Erie County, NY

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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 168,000
25th Low threshold 181,000
50th (Median) Normal (median) 203,000
75th High threshold 216,000
95th Very High threshold 243,000

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.

279k 139k 0 cfs Nov 1 Nov 30
10th–95th historical Day-of-year median Recent discharge

30-Day Flow History

Date Discharge (CFS) Gage Ht (ft)
Nov 30, 2025 219,000 —
Nov 29, 2025 192,000 —
Nov 28, 2025 224,000 —
Nov 27, 2025 249,000 —
Nov 26, 2025 228,000 —
Nov 25, 2025 189,000 —
Nov 24, 2025 190,000 —
Nov 23, 2025 201,000 —
Nov 22, 2025 190,000 —
Nov 21, 2025 196,000 —
Nov 20, 2025 189,000 —
Nov 19, 2025 188,000 —
Nov 18, 2025 189,000 —
Nov 17, 2025 201,000 —
Nov 16, 2025 206,000 —
Nov 15, 2025 194,000 —
Nov 14, 2025 194,000 —
Nov 13, 2025 206,000 —
Nov 12, 2025 222,000 —
Nov 11, 2025 215,000 —
Nov 10, 2025 193,000 —
Nov 9, 2025 177,000 —
Nov 8, 2025 193,000 —
Nov 7, 2025 202,000 —
Nov 6, 2025 201,000 —
Nov 5, 2025 209,000 —
Nov 4, 2025 209,000 —
Nov 3, 2025 220,000 —
Nov 2, 2025 194,000 —
Nov 1, 2025 200,000 —

Station Information

USGS Site No
04216000
State
NY
County
Erie County
Coordinates
42.8778, -78.9164
Drainage Area
263,700 mi²
HUC Code
04120200
View on USGS NWIS →

Recent Extremes

Max discharge
249,000 cfs
Nov 27, 2025
Min discharge
177,000 cfs
Nov 9, 2025

Computed from the local daily-values archive.

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