South Branch Eighteenmile Creek at Bley Road at Eden Valley

USGS Site No: 04214231 • South Branch Eighteenmile Creek • Erie County, NY

South Branch Eighteenmile Creek at Bley Road at Eden Valley on the South Branch Eighteenmile Creek is currently at 12 cfs (Normal — 45th percentile for this date) . Gage height: 3.37 ft.

Reading from

12
CFS Discharge
3.37
Gage Height (ft)
Normal
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) 14 Today: 12 cfs
75th High threshold 23
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.

265 132 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 16 —
May 27, 2026 22 —
May 26, 2026 38 —
May 25, 2026 169 —
May 24, 2026 114 —
May 23, 2026 36 —
May 22, 2026 14 —
May 21, 2026 21 —
May 20, 2026 52 —
May 19, 2026 18 —
May 18, 2026 25 —
May 17, 2026 37 —
May 16, 2026 32 —
May 15, 2026 42 —
Apr 21, 2026 46 —
Apr 20, 2026 71 —
Apr 19, 2026 201 —
Apr 18, 2026 245 —
Apr 17, 2026 135 —
Apr 16, 2026 230 —
Apr 15, 2026 109 —
Apr 14, 2026 25 —
Apr 13, 2026 24 —
Apr 12, 2026 21 —
Apr 11, 2026 25 —
Apr 10, 2026 29 —
Apr 9, 2026 32 —
Apr 8, 2026 40 —
Apr 7, 2026 56 —
Apr 6, 2026 86 —

Station Information

USGS Site No
04214231
State
NY
County
Erie County
Coordinates
42.6803, -78.8787
Drainage Area
37 mi²
Datum (ft)
734.1
HUC Code
04120103
View on USGS NWIS →

Recent Extremes

Max discharge
1,050 cfs
Dec 19, 2025
Min discharge
2 cfs
Aug 16, 2025

Computed from the local daily-values archive.

Nearby Gauges

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