Rivermatics

USGS Streamgage 394839104570300

Sand Creek at Mouth near Commerce City, CO

Sand Creek at Mouth near Commerce City, CO is USGS streamgage 394839104570300 in Colorado, monitoring river discharge in hydrologic subbasin 10190003. It sits on the Sand Creek, alongside 1 other gauge Rivermatics tracks on the same river. It drains a watershed of about 187 square miles. Discharge records at this site go back to 1992. Typical flow runs near 58.1 cfs in July and 31.5 cfs in April, with the higher of the two arriving in July. Rivermatics issues a daily machine-learned flow outlook for this gauge, reaching 14 days ahead.

View live conditions & forecast →

Gauge details

State
Colorado
Drainage area
187 sq mi
Subbasin (HUC-8)
10190003
Coordinates
39.81097, -104.95158
USGS site number
394839104570300
Records begin
1992-01-31 (34 years)
Rivermatics forecast
14-day flow outlook

14-day flow forecast

Based on observations through for Sand Creek at Mouth near Commerce City, CO. 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
4.6 5.3 6.6
4.1 5 6.2
3.9 4.8 6.5
3.9 4.9 10.2
4.2 6.2 25.7
4.1 7 32.2
4.1 6.9 33.6
4.2 7.8 34.4
3.9 6.2 17.8
3.8 5.7 13.8
3.8 5.5 11.8
4 6.4 19.1
3.9 6.4 20
3.7 5.8 14.4

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 35 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 10.2 14.5 26.2
February 9.9 16 47.2
March 10.5 19.1 100.2
April 12.6 31.5 148.8
May 15.1 53 175.5
June 10.8 45.9 172.3
July 12.1 58.1 180.5
August 10.2 53.1 158.9
September 9 27.6 124
October 9.3 18.8 76.1
November 10.4 16.7 41.1
December 10.4 14.7 29.5

All values in cubic feet per second (cfs).

Common questions

When does Sand Creek at Mouth near Commerce City, CO normally run highest?
July, on the long-term record. The median daily flow that month is about 58.1 cfs, against 14.5 cfs in January, the lowest month. These are historical normals for the date, not a forecast and not today's reading.
What is a normal flow for Sand Creek at Mouth near Commerce City, CO?
It depends on the month. In January, half of days historically fall near 14.5 cfs, with the middle 80% of days between 10.2 and 26.2 cfs. The month-by-month table on this page gives the full range.
How long has Sand Creek at Mouth near Commerce City, CO been measured?
Discharge records at USGS site 394839104570300 begin in 1992, about 34 years, covering roughly 8,833 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
Is there a flow forecast for Sand Creek at Mouth near Commerce City, CO?
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. 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 Sand Creek at Mouth near Commerce City, CO?
The gauge sits at 39.81097, -104.95158, in Colorado, in hydrologic subbasin 10190003, draining roughly 187 square miles.
Can I use Sand Creek at Mouth near Commerce City, CO 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 Sand Creek

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

Other gauges in this subbasin