Rivermatics

USGS Streamgage 13334300

Snake River near Anatone, WA

Snake River near Anatone, WA is USGS streamgage 13334300 in Washington, monitoring river discharge in hydrologic subbasin 17060103. It sits on the Snake River, alongside 30 other gauges Rivermatics tracks on the same river. It drains a watershed of about 92,960 square miles. Discharge records at this site go back to 1958. Typical flow runs near 25,848.4 cfs in July and 42,206.7 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
Washington
Drainage area
92,960 sq mi
Subbasin (HUC-8)
17060103
Coordinates
46.09707, -116.97769
USGS site number
13334300
Records begin
1958-07-22 (68 years)
Rivermatics forecast
14-day flow outlook

14-day flow forecast

Based on observations through for Snake River near Anatone, WA. 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
13,055 13,617 14,208
12,780 13,559 14,467
12,555 13,459 14,520
12,362 13,350 14,489
12,162 13,276 14,557
11,997 13,214 14,602
11,858 13,180 14,691
11,787 13,195 14,883
11,709 13,203 15,057
11,629 13,199 15,189
11,561 13,194 15,301
11,510 13,191 15,382
11,445 13,186 15,503
11,428 13,200 15,597

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 68 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 16,758.1 23,809.7 39,971
February 16,875.9 26,465.5 50,817.2
March 19,541.9 30,880.6 70,506.5
April 22,996.7 42,206.7 85,743.3
May 34,941.9 62,283.9 105,729
June 28,903.3 62,340 114,046.7
July 15,577.4 25,848.4 50,232.3
August 12,219.4 16,883.9 24,435.5
September 12,923.3 17,773.3 25,583.3
October 13,722.6 17,887.1 28,416.1
November 13,876.7 17,876.7 29,006.7
December 14,558.1 20,748.4 33,567.7

All values in cubic feet per second (cfs).

Common questions

When does Snake River near Anatone, WA normally run highest?
June, on the long-term record. The median daily flow that month is about 62,340 cfs, against 16,883.9 cfs in August, 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 near Anatone, WA?
It depends on the month. In January, half of days historically fall near 23,809.7 cfs, with the middle 80% of days between 16,758.1 and 39,971 cfs. The month-by-month table on this page gives the full range.
How long has Snake River near Anatone, WA been measured?
Discharge records at USGS site 13334300 begin in 1958, about 68 years, covering roughly 9,194 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
Is there a flow forecast for Snake River near Anatone, WA?
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 Snake River near Anatone, WA?
The gauge sits at 46.09707, -116.97769, in Washington, in hydrologic subbasin 17060103, draining roughly 92,960 square miles.
Can I use Snake River near Anatone, WA 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.

Other gauges in this subbasin