Schuylkill River at Norristown, PA

USGS Site No: 01473500 • Schuylkill River • Montgomery County, PA

Schuylkill River at Norristown, PA on the Schuylkill River is currently at 1,550 cfs (Normal — 40th percentile for this date) . Gage height: 8.21 ft.

Reading from

1,550
CFS Discharge
8.21
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 532
25th Low threshold 924
50th (Median) Normal (median) 1,980 Today: 1,550 cfs
75th High threshold 3,760
95th Very High threshold 15,400

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.

30k 15k 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 1,860 —
May 27, 2026 2,150 —
May 26, 2026 2,510 —
May 25, 2026 3,470 —
May 24, 2026 3,880 —
May 23, 2026 1,300 —
May 22, 2026 1,380 —
May 21, 2026 1,380 —
May 20, 2026 976 —
May 19, 2026 1,020 —
May 18, 2026 1,090 —
May 17, 2026 1,140 —
May 16, 2026 1,230 —
May 15, 2026 1,300 —
Apr 21, 2026 1,290 —
Apr 20, 2026 1,230 —
Apr 19, 2026 1,080 —
Apr 18, 2026 1,080 —
Apr 17, 2026 1,150 —
Apr 16, 2026 1,230 —
Apr 15, 2026 1,300 —
Apr 14, 2026 1,250 —
Apr 13, 2026 1,270 —
Apr 12, 2026 1,350 —
Apr 11, 2026 1,370 —
Apr 10, 2026 1,470 —
Apr 9, 2026 1,560 —
Apr 8, 2026 1,750 —
Apr 7, 2026 2,030 —
Apr 6, 2026 2,390 —

Station Information

USGS Site No
01473500
State
PA
Coordinates
40.1156, -75.3561
Drainage Area
1,760 mi²
Datum (ft)
51.0
HUC Code
02040203
View on USGS NWIS →

Recent Extremes

Max discharge
18,700 cfs
Jul 2, 2025
Min discharge
384 cfs
Jan 26, 2026

Computed from the local daily-values archive.

Nearby Gauges