Rivermatics

USGS Streamgage 14211010

Clackamas River near Oregon City, OR

Clackamas River near Oregon City, OR is USGS streamgage 14211010 in Oregon, monitoring river discharge in hydrologic subbasin 17090011. It sits on the Clackamas River, alongside 4 other gauges Rivermatics tracks on the same river. It drains a watershed of about 940 square miles. Discharge records at this site go back to 2001. Typical flow runs near 1,057.8 cfs in July and 4,218.3 cfs in April, with the higher of the two arriving in April. Rivermatics issues a daily machine-learned flow outlook for this gauge, reaching 14 days ahead, alongside daily high and low water-temperature forecasts.

View live conditions & forecast →

Gauge details

State
Oregon
Drainage area
940 sq mi
Subbasin (HUC-8)
17090011
Coordinates
45.37929, -122.57731
USGS site number
14211010
Records begin
2001-06-01 (25 years)
Rivermatics forecast
14-day flow outlook + water temperature

14-day flow forecast

Based on observations through for Clackamas River near Oregon City, OR. Each day carries a median estimate and the band the model expects the flow to fall within — not a single number to plan against. Forecasts are re-issued daily; see the live screen for the current outlook.

Forecast daily mean discharge in cubic feet per second, by date
Date Low p10 Expected p50 High p90 Range
704 718 735
700 725 767
734 802 941
733 803 941
711 762 856
692 735 807
681 724 800
672 716 809
664 709 802
656 702 790
653 699 783
651 697 784
647 694 778
645 694 781

All values in cubic feet per second (cfs). Estimates only — do not use them for navigation or for any safety, rescue, or emergency decision.

Typical flow by month

Long-term daily discharge percentiles from the USGS record (up to 25 years of data), averaged within each month. These describe the historical normal range — they are not a forecast and not today's reading.

Historical monthly discharge percentiles in cubic feet per second
Month Low p10 Typical p50 High p90 Range
January 2,301.3 4,231.3 12,266.5
February 2,020.7 3,519.7 8,581.1
March 2,127.1 4,090 9,758.4
April 2,801 4,218.3 8,050.7
May 1,915.5 3,163.9 6,734.2
June 1,162.9 1,864.7 4,741.3
July 820.5 1,057.8 1,566.5
August 703 834 1,057.2
September 737.6 890.3 1,260.1
October 796.3 1,114.1 2,593.2
November 1,179.8 2,595.3 6,976.7
December 1,625.2 3,633.2 12,882.6

All values in cubic feet per second (cfs).

Common questions

When does Clackamas River near Oregon City, OR normally run highest?
January, on the long-term record. The median daily flow that month is about 4,231.3 cfs, against 834 cfs in August, the lowest month. These are historical normals for the date, not a forecast and not today's reading.
What is a normal flow for Clackamas River near Oregon City, OR?
It depends on the month. In January, half of days historically fall near 4,231.3 cfs, with the middle 80% of days between 2,301.3 and 12,266.5 cfs. The month-by-month table on this page gives the full range.
How long has Clackamas River near Oregon City, OR been measured?
Discharge records at USGS site 14211010 begin in 2001, about 25 years, covering roughly 9,198 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
Is there a flow forecast for Clackamas River near Oregon City, OR?
Yes. Rivermatics trains a machine-learned model — a temporal-fusion transformer — on this basin's observed flows, weather, and snowpack, and issues a daily flow outlook reaching 14 days ahead: a median estimate inside a confidence band, not a single number to bet on. A companion model forecasts each day's water-temperature high and low. Every forecast is scored against days the model never trained on, and that track record is published on the live gauge screen. Open live conditions to see the current outlook.
Where is Clackamas River near Oregon City, OR?
The gauge sits at 45.37929, -122.57731, in Oregon, in hydrologic subbasin 17090011, draining roughly 940 square miles.
Can I use Clackamas River near Oregon City, OR data for flood or safety decisions?
No. Rivermatics provides estimates, not guarantees, and the readings and forecasts here may be delayed, inaccurate, or wrong. Do not use them for navigation or for any safety, rescue, or emergency decision. Check the National Weather Service and USGS directly, and use your own judgment.

Upstream and downstream on the Clackamas River

Every gauge Rivermatics tracks on this river, ordered by drainage area — upstream first. See the Clackamas River in full.

Other gauges in this subbasin