Rivermatics

USGS Streamgage 09357000

San Juan River at Bloomfield, NM

San Juan River at Bloomfield, NM is USGS streamgage 09357000 in New Mexico, monitoring river discharge in hydrologic subbasin 14080101. It sits on the San Juan River, alongside 9 other gauges Rivermatics tracks on the same river. It drains a watershed of about 5,350 square miles. Discharge records at this site go back to 1956. Typical flow runs near 518.8 cfs in July and 383.3 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
New Mexico
Drainage area
5,350 sq mi
Gauge elevation
5,422 ft
Subbasin (HUC-8)
14080101
Coordinates
36.69967, -107.98144
USGS site number
09357000
Records begin
1956-08-01 (70 years)
Rivermatics forecast
14-day flow outlook

14-day flow forecast

Based on observations through for San Juan River at Bloomfield, 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
593 617 630
578 614 635
565 614 646
549 619 676
508 614 714
439 599 753
352 564 755
315 549 761
293 544 787
264 531 800
265 529 779
267 533 778
273 537 772
255 526 779

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 3 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 — 366.3 —
February — 375.9 —
March — 398.8 —
April — 383.3 —
May — 295.5 —
June — 249.6 —
July — 518.8 —
August — 574.4 —
September — 630.7 —
October — 500.3 —
November — 347.9 —
December — 329.1 —

All values in cubic feet per second (cfs).

Common questions

When does San Juan River at Bloomfield, NM normally run highest?
September, on the long-term record. The median daily flow that month is about 630.7 cfs, against 249.6 cfs in June, the lowest month. These are historical normals for the date, not a forecast and not today's reading.
How long has San Juan River at Bloomfield, NM been measured?
Discharge records at USGS site 09357000 begin in 1956, about 70 years, covering roughly 1,959 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
Is there a flow forecast for San Juan River at Bloomfield, 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 San Juan River at Bloomfield, NM?
The gauge sits at 36.69967, -107.98144, in New Mexico, in hydrologic subbasin 14080101, at an elevation of about 5,422 feet, draining roughly 5,350 square miles.
Can I use San Juan River at Bloomfield, 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 San Juan River

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

Other gauges in this subbasin