Rivermatics

USGS Streamgage 12344501

Lake Como Spillway near Darby, MT

Lake Como Spillway near Darby, MT is USGS streamgage 12344501 in Montana, monitoring river discharge in hydrologic subbasin 17010205. Discharge records at this site go back to 2026.

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Gauge details

State
Montana
Gauge elevation
4,241 ft
Subbasin (HUC-8)
17010205
Coordinates
46.06796, -114.23876
USGS site number
12344501
Records begin
2026-04-09 (0 years)

14-day flow forecast

Based on observations through for Lake Como Spillway near Darby, MT. 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
0 0.2 0.5
0 0.2 0.6
0 0.2 1
0 0.1 2.4
0 0.1 4.3
0 0.1 10.3
0 0.1 17.9
0 0.2 25.8
0 0.2 33.6
0 0.2 42.9
0 0.2 51.8
0 0.2 60.2
0 0.2 70.5
0 0.2 80.1

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

Common questions

How long has Lake Como Spillway near Darby, MT been measured?
Discharge records at USGS site 12344501 begin in 2026, about 0 years, covering roughly 82 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
Where is Lake Como Spillway near Darby, MT?
The gauge sits at 46.06796, -114.23876, in Montana, in hydrologic subbasin 17010205, at an elevation of about 4,241 feet.
Can I use Lake Como Spillway near Darby, MT 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.

Other gauges in this subbasin