Allen Creek at Mouth at Ann Arbor, MI

USGS Site No: 04174490Allen Creek • Washtenaw County, MI

Allen Creek at Mouth at Ann Arbor, MI on the Allen Creek is currently at 2 cfs (Very Low — 8th percentile for this date) . Gage height: 0.66 ft.

Reading from

2
CFS Discharge
0.66
Gage Height (ft)
Very 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 2 Today: 2 cfs
25th Low threshold 2
50th (Median) Normal (median) 3
75th High threshold 6
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.

16 8 0 cfs Sep 1 Sep 30
10th–95th historical Day-of-year median Recent discharge

30-Day Flow History

Date Discharge (CFS) Gage Ht (ft)
Sep 30, 2025 2
Sep 29, 2025 2
Sep 28, 2025 2
Sep 27, 2025 2
Sep 26, 2025 2
Sep 25, 2025 2
Sep 24, 2025 9
Sep 23, 2025 4
Sep 22, 2025 15
Sep 21, 2025 2
Sep 20, 2025 1
Sep 19, 2025 2
Sep 18, 2025 2
Sep 17, 2025 2
Sep 16, 2025 2
Sep 15, 2025 2
Sep 14, 2025 2
Sep 13, 2025 2
Sep 12, 2025 2
Sep 11, 2025 3
Sep 10, 2025 2
Sep 9, 2025 2
Sep 8, 2025 2
Sep 7, 2025 2
Sep 6, 2025 2
Sep 5, 2025 2
Sep 4, 2025 4
Sep 3, 2025 5
Sep 2, 2025 2
Sep 1, 2025 2

Station Information

USGS Site No
04174490
State
MI
Coordinates
42.2897, -83.7461
Datum (ft)
761.2
HUC Code
04090005
View on USGS NWIS →

Recent Extremes

Max discharge
64 cfs
Aug 12, 2025
Min discharge
1 cfs
Aug 15, 2025

Computed from the local daily-values archive.

Nearby Gauges