Rivermatics

USGS Streamgage 08329928

Rio Grande near Alameda, NM

Rio Grande near Alameda, NM is USGS streamgage 08329928 in New Mexico, monitoring river discharge in hydrologic subbasin 13020203. It sits on the Rio Grande, alongside 19 other gauges Rivermatics tracks on the same river. It drains a watershed of about 17,210 square miles. Discharge records at this site go back to 1989. Typical flow runs near 590.1 cfs in July and 1,378.5 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.

View live conditions & forecast →

Gauge details

State
New Mexico
Drainage area
17,210 sq mi
Gauge elevation
4,986 ft
Subbasin (HUC-8)
13020203
Coordinates
35.182, -106.65194
USGS site number
08329928
Records begin
1989-03-01 (37 years)
Rivermatics forecast
14-day flow outlook

14-day flow forecast

Based on observations through for Rio Grande near Alameda, NM. 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
26.3 55 149
20.4 63.4 246
14.8 61.8 269
17.1 83.6 355
14.1 81.4 352
11.3 64.4 266
10.3 56.9 222
9.2 50.2 195
9.5 46.4 162
9.1 42.9 147
8 42.7 146
9.1 42.4 143
9 41.2 141
7 42.9 173

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 37 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 417.7 620.8 963.8
February 438.5 639.4 1,057
March 449.2 820.2 1,991
April 488 1,378.5 3,830.7
May 577.7 2,296.5 5,154.5
June 400.8 1,052.2 5,127
July 242.7 590.1 1,792.8
August 200.6 496 1,136.7
September 108.1 376.3 877.3
October 135.9 338.6 729.4
November 306 690.4 1,347.8
December 442.1 780.5 1,424.5

All values in cubic feet per second (cfs).

Common questions

When does Rio Grande near Alameda, NM normally run highest?
May, on the long-term record. The median daily flow that month is about 2,296.5 cfs, against 338.6 cfs in October, the lowest month. These are historical normals for the date, not a forecast and not today's reading.
What is a normal flow for Rio Grande near Alameda, NM?
It depends on the month. In January, half of days historically fall near 620.8 cfs, with the middle 80% of days between 417.7 and 963.8 cfs. The month-by-month table on this page gives the full range.
How long has Rio Grande near Alameda, NM been measured?
Discharge records at USGS site 08329928 begin in 1989, about 37 years, covering roughly 8,457 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
Is there a flow forecast for Rio Grande near Alameda, NM?
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 Rio Grande near Alameda, NM?
The gauge sits at 35.182, -106.65194, in New Mexico, in hydrologic subbasin 13020203, at an elevation of about 4,986 feet, draining roughly 17,210 square miles.
Can I use Rio Grande near Alameda, NM 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 Rio Grande

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

Other gauges in this subbasin