East Nishnabotna River at Red Oak, IA

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

East Nishnabotna River at Red Oak, IA on the East Nishnabotna River is currently at 350 cfs (Normal — 35th percentile for this date) . Gage height: 6.72 ft.

Reading from

350
CFS Discharge
6.72
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 72
25th Low threshold 194
50th (Median) Normal (median) 572 Today: 350 cfs
75th High threshold 1,220
95th Very High threshold 4,140

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