Big Sister Creek at Evans Center NY

USGS Site No: 04214060 • Big Sister Creek • Erie County, NY

Big Sister Creek at Evans Center NY on the Big Sister Creek is currently at 27 cfs (Very High — 95th percentile for this date) . Gage height: 3.41 ft.

Reading from

27
CFS Discharge
3.41
Gage Height (ft)
Very High
Flow Condition
N/A
Flood Status

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 0
25th Low threshold 5
50th (Median) Normal (median) 12
75th High threshold 20
95th Very High threshold 0

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.

653 327 0 cfs Apr 6 May 28
10th–95th historical Day-of-year median Recent discharge

30-Day Flow History

Date Discharge (CFS) Gage Ht (ft)
May 28, 2026 35 —
May 27, 2026 54 —
May 26, 2026 112 —
May 25, 2026 605 —
May 24, 2026 243 —
May 23, 2026 137 —
May 22, 2026 25 —
May 21, 2026 35 —
May 20, 2026 63 —
May 19, 2026 31 —
May 18, 2026 36 —
May 17, 2026 56 —
May 16, 2026 41 —
May 15, 2026 47 —
Apr 21, 2026 71 —
Apr 20, 2026 120 —
Apr 19, 2026 432 —
Apr 18, 2026 290 —
Apr 17, 2026 233 —
Apr 16, 2026 357 —
Apr 15, 2026 132 —
Apr 14, 2026 35 —
Apr 13, 2026 34 —
Apr 12, 2026 33 —
Apr 11, 2026 39 —
Apr 10, 2026 43 —
Apr 9, 2026 48 —
Apr 8, 2026 58 —
Apr 7, 2026 81 —
Apr 6, 2026 134 —

Station Information

USGS Site No
04214060
State
NY
County
Erie County
Coordinates
42.6571, -79.0355
Drainage Area
48 mi²
Datum (ft)
591.7
HUC Code
04120103
View on USGS NWIS →

Recent Extremes

Max discharge
1,490 cfs
Feb 19, 2026
Min discharge
0 cfs
Aug 16, 2025

Computed from the local daily-values archive.

Nearby Gauges

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