North Branch Patapsco River at Cedarhurst, MD

USGS Site No: 01586000 • North Branch Patapsco River • Carroll County, MD

North Branch Patapsco River at Cedarhurst, MD on the North Branch Patapsco River is currently at 47 cfs (Normal — 54th percentile for this date) . Gage height: 1.55 ft.

Reading from

47
CFS Discharge
1.55
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 23
25th Low threshold 31
50th (Median) Normal (median) 43
75th High threshold 67 Today: 47 cfs
95th Very High threshold 165

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.

320 160 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 64 —
May 27, 2026 84 —
May 26, 2026 68 —
May 25, 2026 99 —
May 24, 2026 234 —
May 23, 2026 206 —
May 22, 2026 66 —
May 21, 2026 82 —
May 20, 2026 26 —
May 19, 2026 21 —
May 18, 2026 22 —
May 17, 2026 23 —
May 16, 2026 25 —
May 15, 2026 26 —
Apr 21, 2026 31 —
Apr 20, 2026 35 —
Apr 19, 2026 39 —
Apr 18, 2026 31 —
Apr 17, 2026 32 —
Apr 16, 2026 35 —
Apr 15, 2026 44 —
Apr 14, 2026 35 —
Apr 13, 2026 35 —
Apr 12, 2026 36 —
Apr 11, 2026 38 —
Apr 10, 2026 39 —
Apr 9, 2026 40 —
Apr 8, 2026 42 —
Apr 7, 2026 47 —
Apr 6, 2026 63 —

Station Information

USGS Site No
01586000
State
MD
County
Carroll County
Coordinates
39.5030, -76.8844
Drainage Area
57 mi²
Datum (ft)
419.9
HUC Code
020600030805
View on USGS NWIS →

Recent Extremes

Max discharge
388 cfs
Jun 18, 2025
Min discharge
15 cfs
Sep 15, 2025

Computed from the local daily-values archive.

Nearby Gauges

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