When does Blue Lakes Outlet near Twin Falls Id Mv 15 normally run highest?

November, on the long-term record. The median daily flow that month is about 217.8 cfs, against 196.3 cfs in April, the lowest month. These are historical normals for the date, not a forecast and not today's reading.

How long has Blue Lakes Outlet near Twin Falls Id Mv 15 been measured?

Discharge records at USGS site 13091500 begin in 1917, about 109 years. The long record is what makes the monthly percentiles on this page meaningful.

Where is Blue Lakes Outlet near Twin Falls Id Mv 15?

The gauge sits at 42.60824, -114.47698, in Idaho, in hydrologic subbasin 17040212.

Can I use Blue Lakes Outlet near Twin Falls Id Mv 15 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.

USGS Streamgage 13091500

Blue Lakes Outlet near Twin Falls Id Mv 15

Blue Lakes Outlet near Twin Falls Id Mv 15 is USGS streamgage 13091500 in Idaho, monitoring river discharge in hydrologic subbasin 17040212. Discharge records at this site go back to 1917. Typical flow runs near 206.8 cfs in July and 196.3 cfs in April, with the higher of the two arriving in July.

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Gauge details

State: Idaho
Subbasin (HUC-8): 17040212
Coordinates: 42.60824, -114.47698
USGS site number: 13091500
Records begin: 1917-05-20 (109 years)

Typical flow by month

Long-term daily discharge percentiles from the USGS record (up to 4 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
January	—	207.1	—
February	—	199.5	—
March	—	197.1	—
April	—	196.3	—
May	—	198.9	—
June	—	202.5	—
July	—	206.8	—
August	—	209.2	—
September	—	210.7	—
October	—	217	—
November	—	217.8	—
December	—	207.3	—

All values in cubic feet per second (cfs).

Common questions

When does Blue Lakes Outlet near Twin Falls Id Mv 15 normally run highest?: November, on the long-term record. The median daily flow that month is about 217.8 cfs, against 196.3 cfs in April, the lowest month. These are historical normals for the date, not a forecast and not today's reading.
How long has Blue Lakes Outlet near Twin Falls Id Mv 15 been measured?: Discharge records at USGS site 13091500 begin in 1917, about 109 years. The long record is what makes the monthly percentiles on this page meaningful.
Where is Blue Lakes Outlet near Twin Falls Id Mv 15?: The gauge sits at 42.60824, -114.47698, in Idaho, in hydrologic subbasin 17040212.
Can I use Blue Lakes Outlet near Twin Falls Id Mv 15 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.

Blue Lakes Outlet near Twin Falls Id Mv 15

Gauge details

Typical flow by month

Common questions

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