Ramapo River at Suffern NY

USGS Site No: 01387420 • Ramapo River • Rockland County, NY

Ramapo River at Suffern NY on the Ramapo River is currently at 54 cfs (Normal — 48th percentile for this date) . Gage height: 2.81 ft.

Reading from

↑ Upstream on Ramapo River
Ramapo River at Ramapo NY
54
CFS Discharge
2.81
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 18
25th Low threshold 31
50th (Median) Normal (median) 56 Today: 54 cfs
75th High threshold 135
95th Very High threshold 363

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.

3k 1.5k 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 76 —
May 27, 2026 108 —
May 26, 2026 152 —
May 25, 2026 197 —
May 24, 2026 150 —
May 23, 2026 42 —
May 22, 2026 40 —
May 21, 2026 39 —
May 20, 2026 39 —
May 19, 2026 41 —
May 18, 2026 45 —
May 17, 2026 47 —
May 16, 2026 52 —
May 15, 2026 56 —
Apr 21, 2026 71 —
Apr 20, 2026 81 —
Apr 19, 2026 76 —
Apr 18, 2026 86 —
Apr 17, 2026 93 —
Apr 16, 2026 87 —
Apr 15, 2026 87 —
Apr 14, 2026 83 —
Apr 13, 2026 80 —
Apr 12, 2026 85 —
Apr 11, 2026 102 —
Apr 10, 2026 103 —
Apr 9, 2026 108 —
Apr 8, 2026 119 —
Apr 7, 2026 131 —
Apr 6, 2026 151 —

Station Information

USGS Site No
01387420
State
NY
County
Rockland County
Coordinates
41.1186, -74.1601
Drainage Area
93 mi²
Datum (ft)
263.3
HUC Code
020301030204
View on USGS NWIS →

Recent Extremes

Max discharge
1,300 cfs
Jun 1, 2025
Min discharge
7 cfs
Oct 27, 2025

Computed from the local daily-values archive.

Nearby Gauges

Related