Rivermatics

USGS Streamgage 12178100

Newhalem Creek near Newhalem, WA

Newhalem Creek near Newhalem, WA is USGS streamgage 12178100 in Washington, monitoring river discharge in hydrologic subbasin 17110005. It sits on the Newhalem Creek, alongside 1 other gauge Rivermatics tracks on the same river. It drains a watershed of about 27 square miles. Discharge records at this site go back to 1961. Typical flow runs near 225.2 cfs in July and 127.1 cfs in April, with the higher of the two arriving in July.

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Gauge details

State
Washington
Drainage area
27 sq mi
Gauge elevation
1,045 ft
Subbasin (HUC-8)
17110005
Coordinates
48.66013, -121.24762
USGS site number
12178100
Records begin
1961-02-01 (65 years)

Typical flow by month

Long-term daily discharge percentiles from the USGS record (up to 62 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 44.8 95.4 306.8
February 46.4 84.2 235.8
March 48.4 84.8 211.6
April 72 127.1 271.9
May 142.6 247.1 513.5
June 187.8 326.6 582
July 115.7 225.2 431.4
August 51.6 91.2 218.3
September 33.9 62.6 161.8
October 35.5 86.1 297.2
November 55.3 128.1 436.6
December 50.9 95.7 309.4

All values in cubic feet per second (cfs).

Common questions

When does Newhalem Creek near Newhalem, WA normally run highest?
June, on the long-term record. The median daily flow that month is about 326.6 cfs, against 62.6 cfs in September, the lowest month. These are historical normals for the date, not a forecast and not today's reading.
What is a normal flow for Newhalem Creek near Newhalem, WA?
It depends on the month. In January, half of days historically fall near 95.4 cfs, with the middle 80% of days between 44.8 and 306.8 cfs. The month-by-month table on this page gives the full range.
How long has Newhalem Creek near Newhalem, WA been measured?
Discharge records at USGS site 12178100 begin in 1961, about 65 years, covering roughly 7,795 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
Where is Newhalem Creek near Newhalem, WA?
The gauge sits at 48.66013, -121.24762, in Washington, in hydrologic subbasin 17110005, at an elevation of about 1,045 feet, draining roughly 27 square miles.
Can I use Newhalem Creek near Newhalem, 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 Newhalem Creek

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

Other gauges in this subbasin