East Nishnabotna River at Red Oak, IA

USGS Site No: 06809500 • East Nishnabotna River • Montgomery County, IA

East Nishnabotna River at Red Oak, IA on the East Nishnabotna River is currently at 350 cfs (High — 78th percentile for this date) . Gage height: 6.72 ft.

Reading from

350
CFS Discharge
6.72
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 42
25th Low threshold 73
50th (Median) Normal (median) 137
75th High threshold 274
95th Very High threshold 748 Today: 350 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.

4.6k 2.3k 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 359 —
May 27, 2026 375 —
May 26, 2026 395 —
May 25, 2026 421 —
May 24, 2026 460 —
May 23, 2026 426 —
May 22, 2026 406 —
May 21, 2026 420 —
May 20, 2026 473 —
May 19, 2026 555 —
May 18, 2026 517 —
May 17, 2026 365 —
May 16, 2026 339 —
May 15, 2026 306 —
Apr 20, 2026 889 —
Apr 19, 2026 951 —
Apr 18, 2026 1,020 —
Apr 17, 2026 1,090 —
Apr 16, 2026 1,170 —
Apr 15, 2026 1,210 —
Apr 14, 2026 1,340 —
Apr 13, 2026 1,480 —
Apr 12, 2026 1,670 —
Apr 11, 2026 2,160 —
Apr 10, 2026 1,530 —
Apr 9, 2026 921 —
Apr 8, 2026 953 —
Apr 7, 2026 1,010 —
Apr 6, 2026 1,110 —
Apr 5, 2026 1,400 —

Station Information

USGS Site No
06809500
State
IA
Coordinates
41.0090, -95.2414
Drainage Area
894 mi²
Datum (ft)
1,005.4
HUC Code
10240003
View on USGS NWIS →

Flood Stage Thresholds

Action Stage
16.0 ft
Flood Stage
18.0 ft
Moderate Flood
22.0 ft
Major Flood
27.0 ft

Currently 11.28 ft below flood stage.

Recent Extremes

Max discharge
2,310 cfs
Jun 26, 2025
Min discharge
127 cfs
Apr 22, 2025
Days at flood stage
0

Computed from the local daily-values archive.

Nearby Gauges