Cannonsville Reservoir Div Channel near Grahamsville NY

USGS Site No: 01365100 • Sullivan County, NY

Cannonsville Reservoir Div Channel near Grahamsville NY is currently at 414 cfs (Very High — 95th percentile for this date) . Gage height: 4.04 ft.

Reading from

414
CFS Discharge
4.04
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) 317
75th High threshold 323
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.

540 270 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 436
May 27, 2026 443
May 26, 2026 449
May 25, 2026 453
May 24, 2026 445
May 23, 2026 442
May 22, 2026 438
May 21, 2026 440
May 20, 2026 450
May 19, 2026 457
May 18, 2026 460
May 17, 2026 458
May 16, 2026 459
May 15, 2026 456
Apr 21, 2026 0
Apr 20, 2026 0
Apr 19, 2026 39
Apr 18, 2026 453
Apr 17, 2026 488
Apr 15, 2026 500
Apr 14, 2026 318
Apr 13, 2026 0
Apr 11, 2026 0
Apr 10, 2026 0
Apr 9, 2026 0
Apr 8, 2026 0
Apr 6, 2026 0
Apr 5, 2026 0
Apr 4, 2026 0
Apr 3, 2026 0

Station Information

USGS Site No
01365100
State
NY
Coordinates
41.8521, -74.5130
Datum (ft)
833.9
HUC Code
02020007
View on USGS NWIS →

Recent Extremes

Max discharge
603 cfs
Jun 27, 2025
Min discharge
0 cfs
Apr 21, 2026

Computed from the local daily-values archive.