South Skunk River Below Ioway Creek Near Ames, IA

USGS Site No: 05471000South Skunk River • Story County, IA

South Skunk River Below Ioway Creek Near Ames, IA on the South Skunk River is currently at 447 cfs (Normal — 46th percentile for this date) . Gage height: 11.44 ft.

Reading from

447
CFS Discharge
11.44
Gage Height (ft)
Normal
Flow Condition
Normal
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 110
25th Low threshold 287
50th (Median) Normal (median) 475 Today: 447 cfs
75th High threshold 790
95th Very High threshold 4,320

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.

5.4k 2.7k 0 cfs Apr 5 May 28
10th–95th historical Day-of-year median Recent discharge

30-Day Flow History

Date Discharge (CFS) Gage Ht (ft)
May 28, 2026 489
May 27, 2026 524
May 26, 2026 558
May 25, 2026 591
May 24, 2026 660
May 23, 2026 765
May 22, 2026 870
May 21, 2026 1,050
May 20, 2026 1,410
May 19, 2026 1,620
May 18, 2026 870
May 17, 2026 442
May 16, 2026 405
May 15, 2026 369
Apr 20, 2026 1,220
Apr 19, 2026 1,350
Apr 18, 2026 1,570
Apr 17, 2026 2,040
Apr 16, 2026 2,280
Apr 15, 2026 1,070
Apr 14, 2026 1,050
Apr 13, 2026 1,170
Apr 12, 2026 1,320
Apr 11, 2026 1,480
Apr 10, 2026 1,510
Apr 9, 2026 1,460
Apr 8, 2026 1,750
Apr 7, 2026 2,220
Apr 6, 2026 3,030
Apr 5, 2026 4,990

Station Information

USGS Site No
05471000
State
IA
County
Story County
Coordinates
42.0082, -93.5960
Drainage Area
556 mi²
Datum (ft)
857.9
HUC Code
07080105
View on USGS NWIS →

Flood Stage Thresholds

Action Stage
19.0 ft
Flood Stage
21.5 ft
Moderate Flood
23.5 ft
Major Flood
24.5 ft

Currently 10.06 ft below flood stage.

Recent Extremes

Max discharge
6,970 cfs
Apr 4, 2026
Min discharge
59 cfs
Nov 30, 2025
Days at flood stage
0

Computed from the local daily-values archive.

Nearby Gauges