East Branch Delaware River at Downsville NY

USGS Site No: 01417000 • East Branch Delaware River • Delaware County, NY

East Branch Delaware River at Downsville NY on the East Branch Delaware River is currently at 136 cfs (Normal — 66th percentile for this date) . Gage height: 3.10 ft.

Reading from

136
CFS Discharge
3.10
Gage Height (ft)
Normal
Flow Condition
Normal
Flood Status

Historical Percentile Comparison

Today's discharge compared to the long-term record for October 28 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 19
25th Low threshold 43
50th (Median) Normal (median) 75
75th High threshold 172 Today: 136 cfs
95th Very High threshold 718

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.

5k 2.5k 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 136 —
May 27, 2026 136 —
May 26, 2026 190 —
May 25, 2026 380 —
May 24, 2026 418 —
May 23, 2026 300 —
May 22, 2026 227 —
May 21, 2026 368 —
May 20, 2026 523 —
May 19, 2026 503 —
May 18, 2026 726 —
May 17, 2026 784 —
May 16, 2026 737 —
May 15, 2026 549 —
Apr 21, 2026 368 —
Apr 20, 2026 355 —
Apr 19, 2026 151 —
Apr 18, 2026 98 —
Apr 17, 2026 92 —
Apr 16, 2026 92 —
Apr 15, 2026 90 —
Apr 14, 2026 89 —
Apr 13, 2026 172 —
Apr 12, 2026 259 —
Apr 11, 2026 438 —
Apr 10, 2026 702 —
Apr 9, 2026 927 —
Apr 8, 2026 1,010 —
Apr 7, 2026 994 —
Apr 6, 2026 1,140 —

Station Information

USGS Site No
01417000
State
NY
Coordinates
42.0750, -74.9763
Drainage Area
372 mi²
Datum (ft)
1,093.7
HUC Code
02040102
View on USGS NWIS →

Flood Stage Thresholds

Action Stage
5.3 ft
Flood Stage
9.0 ft
Moderate Flood
10.0 ft
Major Flood
12.0 ft

Currently 5.90 ft below flood stage.

Recent Extremes

Max discharge
5,010 cfs
May 10, 2025
Min discharge
70 cfs
Nov 4, 2025
Days at flood stage
0

Computed from the local daily-values archive.

Nearby Gauges