Diamond River Near Wentworth Location, NH

USGS Site No: 01052500 • Diamond River • Coos County, NH

Diamond River Near Wentworth Location, NH on the Diamond River is currently at 225 cfs (Normal — 52th percentile for this date) . Gage height: 2.88 ft.

Reading from

225
CFS Discharge
2.88
Gage Height (ft)
Normal
Flow Condition
N/A
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 79
25th Low threshold 110
50th (Median) Normal (median) 213
75th High threshold 406 Today: 225 cfs
95th Very High threshold 1,550

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.

4.6k 2.3k 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 228 —
May 27, 2026 307 —
May 26, 2026 580 —
May 25, 2026 592 —
May 24, 2026 184 —
May 23, 2026 197 —
May 22, 2026 221 —
May 21, 2026 256 —
May 20, 2026 310 —
May 19, 2026 365 —
May 18, 2026 403 —
May 17, 2026 523 —
May 16, 2026 895 —
May 15, 2026 1,750 —
Apr 21, 2026 771 —
Apr 20, 2026 1,260 —
Apr 19, 2026 1,610 —
Apr 18, 2026 2,160 —
Apr 17, 2026 3,620 —
Apr 16, 2026 3,200 —
Apr 15, 2026 4,300 —
Apr 14, 2026 4,140 —
Apr 13, 2026 1,900 —
Apr 12, 2026 1,030 —
Apr 11, 2026 1,710 —
Apr 10, 2026 754 —
Apr 9, 2026 524 —
Apr 8, 2026 571 —
Apr 7, 2026 816 —
Apr 6, 2026 1,530 —

Station Information

USGS Site No
01052500
State
NH
County
Coos County
Coordinates
44.8775, -71.0575
Drainage Area
152 mi²
Datum (ft)
1,258.8
HUC Code
01040001
View on USGS NWIS →

Recent Extremes

Max discharge
4,300 cfs
Apr 15, 2026
Min discharge
6 cfs
Sep 22, 2025

Computed from the local daily-values archive.

Nearby Gauges