East Branch White Clay Creek at Avondale, PA

USGS Site No: 01478120 • East Branch White Clay Creek • Chester County, PA

East Branch White Clay Creek at Avondale, PA on the East Branch White Clay Creek is currently at 8 cfs (Normal — 32th percentile for this date) . Gage height: 1.97 ft.

Reading from

8
CFS Discharge
1.97
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 7
25th Low threshold 8
50th (Median) Normal (median) 10 Today: 8 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.

171 85 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 10 —
May 27, 2026 13 —
May 26, 2026 12 —
May 25, 2026 17 —
May 24, 2026 132 —
May 23, 2026 16 —
May 22, 2026 10 —
May 21, 2026 17 —
May 20, 2026 26 —
May 19, 2026 7 —
May 18, 2026 6 —
May 17, 2026 7 —
May 16, 2026 7 —
May 15, 2026 7 —
Apr 21, 2026 7 —
Apr 20, 2026 7 —
Apr 19, 2026 6 —
Apr 18, 2026 6 —
Apr 17, 2026 6 —
Apr 16, 2026 7 —
Apr 15, 2026 7 —
Apr 14, 2026 7 —
Apr 13, 2026 7 —
Apr 12, 2026 7 —
Apr 11, 2026 7 —
Apr 10, 2026 7 —
Apr 9, 2026 7 —
Apr 8, 2026 7 —
Apr 7, 2026 8 —
Apr 6, 2026 9 —

Station Information

USGS Site No
01478120
State
PA
County
Chester County
Coordinates
39.8284, -75.7808
Drainage Area
11 mi²
Datum (ft)
264.7
HUC Code
02040205
View on USGS NWIS →

Recent Extremes

Max discharge
168 cfs
Jul 9, 2025
Min discharge
4 cfs
Oct 5, 2025

Computed from the local daily-values archive.

Nearby Gauges

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