Monocacy River Near Dickerson, MD

USGS Site No: 01643580 • Monocacy River • Frederick County, MD

Monocacy River Near Dickerson, MD on the Monocacy River is currently at 1,520 cfs (Very High — 95th percentile for this date) . Gage height: 3.23 ft.

Reading from

↑ Upstream on Monocacy River
Monocacy River at Jug Bridge Near Frederick, MD
1,520
CFS Discharge
3.23
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 0
50th (Median) Normal (median) 883
75th High threshold 0
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.

8.2k 4.1k 0 cfs Apr 3 May 28
10th–95th historical Day-of-year median Recent discharge

30-Day Flow History

Date Discharge (CFS) Gage Ht (ft)
May 28, 2026 1,760 —
May 27, 2026 1,740 —
May 26, 2026 2,340 —
May 25, 2026 4,260 —
May 24, 2026 6,110 —
May 23, 2026 2,510 —
May 22, 2026 864 —
May 21, 2026 318 —
May 20, 2026 224 —
May 19, 2026 233 —
May 18, 2026 252 —
May 17, 2026 271 —
May 16, 2026 288 —
May 15, 2026 296 —
Apr 21, 2026 512 —
Apr 20, 2026 498 —
Apr 19, 2026 472 —
Apr 18, 2026 465 —
Apr 17, 2026 541 —
Apr 16, 2026 591 —
Apr 15, 2026 544 —
Apr 14, 2026 530 —
Apr 13, 2026 544 —
Apr 9, 2026 690 —
Apr 8, 2026 794 —
Apr 7, 2026 1,060 —
Apr 6, 2026 1,130 —
Apr 5, 2026 741 —
Apr 4, 2026 720 —
Apr 3, 2026 774 —

Station Information

USGS Site No
01643580
State
MD
County
Frederick County
Coordinates
39.2634, -77.4357
Drainage Area
961 mi²
Datum (ft)
198.1
HUC Code
02070009
View on USGS NWIS →

Recent Extremes

Max discharge
10,600 cfs
May 14, 2025
Min discharge
111 cfs
Sep 16, 2025

Computed from the local daily-values archive.

Nearby Gauges

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