Illinois River Near Kerby, OR

USGS Site No: 14377100 • Illinois River • Josephine County, OR

Illinois River Near Kerby, OR on the Illinois River is currently at 177 cfs (Normal — 55th percentile for this date) . Gage height: 2.04 ft.

Reading from

177
CFS Discharge
2.04
Gage Height (ft)
Normal
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 51
25th Low threshold 79
50th (Median) Normal (median) 110
75th High threshold 431 Today: 177 cfs
95th Very High threshold 1,450

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.

6.7k 3.3k 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 198 —
May 27, 2026 194 —
May 26, 2026 160 —
May 25, 2026 149 —
May 24, 2026 154 —
May 23, 2026 160 —
May 22, 2026 166 —
May 21, 2026 175 —
May 20, 2026 182 —
May 19, 2026 194 —
May 18, 2026 207 —
May 17, 2026 216 —
May 16, 2026 219 —
May 15, 2026 224 —
Apr 20, 2026 648 —
Apr 19, 2026 700 —
Apr 18, 2026 783 —
Apr 17, 2026 897 —
Apr 16, 2026 1,070 —
Apr 15, 2026 853 —
Apr 14, 2026 874 —
Apr 13, 2026 1,010 —
Apr 12, 2026 1,060 —
Apr 11, 2026 602 —
Apr 10, 2026 544 —
Apr 9, 2026 532 —
Apr 8, 2026 547 —
Apr 7, 2026 604 —
Apr 6, 2026 670 —
Apr 5, 2026 758 —

Station Information

USGS Site No
14377100
State
OR
Coordinates
42.2318, -123.6637
Drainage Area
380 mi²
Datum (ft)
1,198.8
HUC Code
17100311
View on USGS NWIS →

Flood Stage Thresholds

Action Stage
10.0 ft
Flood Stage
35.0 ft
Moderate Flood
37.0 ft
Major Flood
40.0 ft

Currently 32.96 ft below flood stage.

Recent Extremes

Max discharge
14,300 cfs
Feb 24, 2026
Min discharge
27 cfs
Sep 2, 2025
Days at flood stage
0

Computed from the local daily-values archive.

Nearby Gauges