South Skunk River Below Ioway Creek Near Ames, IA

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

South Skunk River Below Ioway Creek Near Ames, IA on the South Skunk River is currently at 447 cfs (High — 83th percentile for this date) . Gage height: 11.44 ft.

Reading from

447
CFS Discharge
11.44
Gage Height (ft)
High
Flow Condition
Normal
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 0
25th Low threshold 6
50th (Median) Normal (median) 58
75th High threshold 317
95th Very High threshold 640 Today: 447 cfs

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