How high is the North Fork John Day River at Monument, OR right now?

The North Fork John Day River at Monument, OR is currently flowing at 493 cubic feet per second with a gage height of 3.60 feet, based on the most recent USGS instantaneous reading.

Is the flow on the North Fork John Day River at Monument, OR normal for this time of year?

Current flow is classified as very high for October 28. Today's discharge is at the 98th percentile compared to the long-term historical record at this gauge.

Is the North Fork John Day River at Monument, OR at flood stage?

No — the gage height is 10.40 feet below the NWS flood-stage threshold of 14.0 feet.

What is the historical median flow for the North Fork John Day River at Monument, OR on October 28?

The long-term median discharge for this date is 153 cfs based on USGS daily statistics. The 10th–95th percentile range historically is 100 to 366 cfs.

Where is the North Fork John Day River at Monument, OR stream gauge located?

The North Fork John Day River at Monument, OR stream gauge is operated by the USGS in Grant County, OR on the North Fork John Day River. USGS site number 14046000 (coordinates 44.8149, -119.4320).

North Fork John Day River at Monument, OR

USGS Site No: 14046000 • North Fork John Day River • Grant County, OR

North Fork John Day River at Monument, OR on the North Fork John Day River is currently at 493 cfs (Very High — 98th percentile for this date) . Gage height: 3.60 ft.

Reading from 4 months ago

493

CFS Discharge

3.60

Gage Height (ft)

Very 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
10th	Very Low threshold	100
25th	Low threshold	127
50th (Median)	Normal (median)	153
75th	High threshold	209
95th	Very High threshold	366

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.

10th–95th historical Day-of-year median Recent discharge

30-Day Flow History

Date	Discharge (CFS)	Gage Ht (ft)
May 28, 2026	493	—
May 27, 2026	482	—
May 26, 2026	466	—
May 25, 2026	473	—
May 24, 2026	500	—
May 23, 2026	530	—
May 22, 2026	560	—
May 21, 2026	596	—
May 20, 2026	638	—
May 19, 2026	690	—
May 18, 2026	747	—
May 17, 2026	784	—
May 16, 2026	818	—
May 15, 2026	892	—
Apr 20, 2026	1,870	—
Apr 19, 2026	1,980	—
Apr 18, 2026	2,170	—
Apr 17, 2026	2,420	—
Apr 16, 2026	2,740	—
Apr 15, 2026	2,550	—
Apr 14, 2026	3,200	—
Apr 13, 2026	2,730	—
Apr 12, 2026	1,080	—
Apr 11, 2026	1,030	—
Apr 10, 2026	959	—
Apr 9, 2026	990	—
Apr 8, 2026	1,030	—
Apr 7, 2026	1,050	—
Apr 6, 2026	1,080	—
Apr 5, 2026	1,120	—

Station Information

USGS Site No: 14046000
State: OR
County: Grant County
Coordinates: 44.8149, -119.4320
Drainage Area: 2,520 mi²
Datum (ft): 1,959.6
HUC Code: 17070202

View on USGS NWIS →

Flood Stage Thresholds

Action Stage: 12.0 ft
Flood Stage: 14.0 ft

Currently 10.40 ft below flood stage.

Recent Extremes

Max discharge: 4,220 cfs

Apr 29, 2025
Min discharge: 57 cfs

Sep 5, 2025
Days at flood stage: 0

Computed from the local daily-values archive.

Nearby Gauges

Middle Fork John Day River at Ritter, OR
15.1 mi · 65 cfs

High
John Day River at Service Creek, OR
28.2 mi · 807 cfs

Very High
Mf John Day River above Camp Creek, near Galena, OR
32.4 mi · 71 cfs

Very High
Balm Fork Near Heppner, OR
36.1 mi · 0 cfs

Low
Willow Creek above Willow Creek Lake, near Heppner, OR
36.6 mi · 13 cfs

Very High