Rivermatics

USGS Streamgage 11405120

Philbrook C below Philbrook Dam near Butte Meadows, CA

Philbrook C below Philbrook Dam near Butte Meadows, CA is USGS streamgage 11405120 in California, monitoring river discharge in hydrologic subbasin 18020121. It drains a watershed of about 5 square miles. Discharge records at this site go back to 1989. Typical flow runs near 17.1 cfs in July and 3.7 cfs in April, with the higher of the two arriving in July.

View live conditions →

Gauge details

State
California
Drainage area
5 sq mi
Subbasin (HUC-8)
18020121
Coordinates
40.02988, -121.47775
USGS site number
11405120
Records begin
1989-07-18 (37 years)

Typical flow by month

Long-term daily discharge percentiles from the USGS record (up to 37 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 — 3.2 —
February — 3.7 —
March 2.8 3.2 4.3
April 2.7 3.7 4.6
May 2.2 3.7 4.7
June 2.5 3.5 5.6
July 4.5 17.1 31.2
August 10.8 29.2 43.5
September 3.3 12.8 35
October 2.2 3.1 16
November 2.3 3.1 8.3
December — 3.7 —

All values in cubic feet per second (cfs).

Common questions

When does Philbrook C below Philbrook Dam near Butte Meadows, CA normally run highest?
August, on the long-term record. The median daily flow that month is about 29.2 cfs, against 3.1 cfs in October, the lowest month. These are historical normals for the date, not a forecast and not today's reading.
What is a normal flow for Philbrook C below Philbrook Dam near Butte Meadows, CA?
It depends on the month. In March, half of days historically fall near 3.2 cfs, with the middle 80% of days between 2.8 and 4.3 cfs. The month-by-month table on this page gives the full range.
How long has Philbrook C below Philbrook Dam near Butte Meadows, CA been measured?
Discharge records at USGS site 11405120 begin in 1989, about 37 years, covering roughly 5,542 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
Where is Philbrook C below Philbrook Dam near Butte Meadows, CA?
The gauge sits at 40.02988, -121.47775, in California, in hydrologic subbasin 18020121, draining roughly 5 square miles.
Can I use Philbrook C below Philbrook Dam near Butte Meadows, CA 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