Rivermatics

USGS Streamgage 12173500

Ruby Creek below Panther Creek near Newhalem, WA

Ruby Creek below Panther Creek near Newhalem, WA is USGS streamgage 12173500 in Washington, monitoring river discharge in hydrologic subbasin 17110005. It drains a watershed of about 206 square miles. Discharge records at this site go back to 1948. Typical flow runs near 1,007.8 cfs in July and 446.4 cfs in April, with the higher of the two arriving in July. Rivermatics issues a daily machine-learned flow outlook for this gauge, reaching 14 days ahead, alongside daily high and low water-temperature forecasts.

View live conditions & forecast →

Gauge details

State
Washington
Drainage area
206 sq mi
Gauge elevation
1,754 ft
Subbasin (HUC-8)
17110005
Coordinates
48.70814, -120.97732
USGS site number
12173500
Records begin
1948-10-01 (78 years)
Rivermatics forecast
14-day flow outlook + water temperature

14-day flow forecast

Based on observations through for Ruby Creek below Panther Creek near Newhalem, 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
101 108 116
95.5 105 114
97.6 110 131
97.8 113 139
94.9 109 131
89.9 104 123
85 98.8 117
81.2 95.2 112
78.2 92.1 108
75.4 89.1 105
73.7 87.1 102
71.5 85.2 100
69.2 83.5 99.6
66.9 81.2 96.9

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 78 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 111.8 233.6 564
February 100.1 199.9 562.3
March 97.2 195.2 436.3
April 211.3 446.4 988.9
May 823.3 1,612.8 2,986.1
June 842.7 1,983 3,538.3
July 336.2 1,007.8 2,162.6
August 171.1 373.2 620.1
September 110.3 197.3 372.4
October 93.1 217.6 548.1
November 139.8 290.1 1,146.8
December 110.5 300 860.2

All values in cubic feet per second (cfs).

Common questions

When does Ruby Creek below Panther Creek near Newhalem, WA normally run highest?
June, on the long-term record. The median daily flow that month is about 1,983 cfs, against 195.2 cfs in March, the lowest month. These are historical normals for the date, not a forecast and not today's reading.
What is a normal flow for Ruby Creek below Panther Creek near Newhalem, WA?
It depends on the month. In January, half of days historically fall near 233.6 cfs, with the middle 80% of days between 111.8 and 564 cfs. The month-by-month table on this page gives the full range.
How long has Ruby Creek below Panther Creek near Newhalem, WA been measured?
Discharge records at USGS site 12173500 begin in 1948, about 78 years, covering roughly 3,020 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
Is there a flow forecast for Ruby Creek below Panther Creek near Newhalem, 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. A companion model forecasts each day's water-temperature high and low. 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 Ruby Creek below Panther Creek near Newhalem, WA?
The gauge sits at 48.70814, -120.97732, in Washington, in hydrologic subbasin 17110005, at an elevation of about 1,754 feet, draining roughly 206 square miles.
Can I use Ruby Creek below Panther 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.

Other gauges in this subbasin