When does Snake River below Bliss Dam near Bliss, ID normally run highest?

May, on the long-term record. The median daily flow that month is about 7,873.9 cfs, against 6,872.6 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 Snake River below Bliss Dam near Bliss, ID?

It depends on the month. In January, half of days historically fall near 6,872.6 cfs, with the middle 80% of days between 6,022.9 and 13,467.7 cfs. The month-by-month table on this page gives the full range.

How long has Snake River below Bliss Dam near Bliss, ID been measured?

Discharge records at USGS site 13153776 begin in 1991, about 35 years, covering roughly 8,891 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.

Where is Snake River below Bliss Dam near Bliss, ID?

The gauge sits at 42.91435, -115.0934, in Idaho, in hydrologic subbasin 17040212, draining roughly 35,500 square miles.

Can I use Snake River below Bliss Dam near Bliss, ID 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 13153776

Snake River below Bliss Dam near Bliss, ID

Snake River below Bliss Dam near Bliss, ID is USGS streamgage 13153776 in Idaho, monitoring river discharge in hydrologic subbasin 17040212. It sits on the Snake River, alongside 30 other gauges Rivermatics tracks on the same river. It drains a watershed of about 35,500 square miles. Discharge records at this site go back to 1991. Typical flow runs near 7,664.8 cfs in July and 7,059 cfs in April, with the higher of the two arriving in July.

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Gauge details

State: Idaho
Drainage area: 35,500 sq mi
Subbasin (HUC-8): 17040212
Coordinates: 42.91435, -115.0934
USGS site number: 13153776
Records begin: 1991-08-31 (35 years)

Typical flow by month

Long-term daily discharge percentiles from the USGS record (up to 34 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	6,022.9	6,872.6	13,467.7
February	5,867.6	7,004.1	13,834.5
March	5,583.2	6,939.4	18,019.4
April	5,881	7,059	21,486.7
May	6,093.2	7,873.9	18,958.1
June	5,858.7	7,519.3	19,110
July	5,813.9	7,664.8	10,425.8
August	6,063.5	7,000	9,287.1
September	6,580	7,189	9,632.7
October	6,727.1	7,646.1	10,129.4
November	6,225	7,022	10,974.7
December	6,134.2	6,935.5	12,251.6

All values in cubic feet per second (cfs).

Common questions

When does Snake River below Bliss Dam near Bliss, ID normally run highest?: May, on the long-term record. The median daily flow that month is about 7,873.9 cfs, against 6,872.6 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 Snake River below Bliss Dam near Bliss, ID?: It depends on the month. In January, half of days historically fall near 6,872.6 cfs, with the middle 80% of days between 6,022.9 and 13,467.7 cfs. The month-by-month table on this page gives the full range.
How long has Snake River below Bliss Dam near Bliss, ID been measured?: Discharge records at USGS site 13153776 begin in 1991, about 35 years, covering roughly 8,891 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
Where is Snake River below Bliss Dam near Bliss, ID?: The gauge sits at 42.91435, -115.0934, in Idaho, in hydrologic subbasin 17040212, draining roughly 35,500 square miles.
Can I use Snake River below Bliss Dam near Bliss, ID 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 Snake River

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

Snake River Ab Jackson Lake at Flagg Ranch, WY 486 sq mi
Snake River near Moran, WY 807 sq mi
Snake River at Moose, WY 1,674 sq mi
Snake River below Flat Creek, near Jackson, WY 2,672 sq mi
Snake River above Reservoir, near Alpine, WY 3,465 sq mi
Snake River near Irwin, ID 5,225 sq mi
Snake River near Heise, ID 5,752 sq mi
Snake River at Lorenzo, ID 5,810 sq mi
Snake River Ab Eagle Rock near Idaho Falls, ID 9,533 sq mi
Snake River near Shelley, ID 9,790 sq mi
Snake River at Blackfoot, ID 9,950 sq mi
Snake River near Blackfoot, ID 11,310 sq mi
Snake River at Neeley, ID 13,600 sq mi
Snake River near Minidoka Id at Howells Ferry 15,700 sq mi
Snake River near Kimberly, ID 22,340 sq mi
Snake River near Twin Falls, ID 22,360 sq mi
Snake River at Pigeon Cove near Twin Falls, ID 22,830 sq mi
Snake River near Buhl, ID 22,990 sq mi
Snake River below Lower Salmon Falls near Hagerman, ID 26,070 sq mi
Snake River below Bliss Dam near Bliss, ID this page
Snake River at King Hill, ID 35,800 sq mi
Snake River below Swan Falls Dam, ID 41,900 sq mi
Snake River near Murphy, ID 41,900 sq mi
Snake River at Nyssa, OR 58,700 sq mi
Snake River at Weiser, ID 69,200 sq mi
Snake River at Hells Canyon Dam Id-Or State Line 73,300 sq mi
Snake River at Johnson Bar Id-Or State Line 73,400 sq mi
Snake River near Anatone, WA 92,960 sq mi
Snake River at McDuff Rapids at China Garden, ID
Snake River near Menan, ID
Snake River near Powers, WA

Snake River below Bliss Dam near Bliss, ID

Gauge details

Typical flow by month

Common questions

Upstream and downstream on the Snake River

Other gauges in this subbasin