Aberjona River at Winchester, MA

USGS Site No: 01102500 • Aberjona River • Middlesex County, MA

Aberjona River at Winchester, MA on the Aberjona River is currently at 9 cfs (Low — 22th percentile for this date) . Gage height: 7.29 ft.

Reading from

9
CFS Discharge
7.29
Gage Height (ft)
Low
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 6
25th Low threshold 9 Today: 9 cfs
50th (Median) Normal (median) 17
75th High threshold 27
95th Very High threshold 101

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.

207 104 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 10 —
May 27, 2026 12 —
May 26, 2026 14 —
May 25, 2026 15 —
May 24, 2026 8 —
May 23, 2026 7 —
May 22, 2026 7 —
May 21, 2026 8 —
May 20, 2026 9 —
May 19, 2026 10 —
May 18, 2026 11 —
May 17, 2026 13 —
May 16, 2026 14 —
May 15, 2026 16 —
Apr 21, 2026 18 —
Apr 20, 2026 20 —
Apr 19, 2026 21 —
Apr 18, 2026 23 —
Apr 17, 2026 27 —
Apr 16, 2026 31 —
Apr 15, 2026 34 —
Apr 14, 2026 21 —
Apr 13, 2026 17 —
Apr 12, 2026 17 —
Apr 11, 2026 18 —
Apr 10, 2026 18 —
Apr 9, 2026 19 —
Apr 8, 2026 19 —
Apr 7, 2026 18 —
Apr 6, 2026 20 —

Station Information

USGS Site No
01102500
State
MA
County
Middlesex County
Coordinates
42.4475, -71.1381
Drainage Area
25 mi²
Datum (ft)
-0.8
HUC Code
01090001
View on USGS NWIS →

Recent Extremes

Max discharge
258 cfs
May 23, 2025
Min discharge
1 cfs
Aug 19, 2025

Computed from the local daily-values archive.

Nearby Gauges

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