Rivermatics

USGS Streamgage 09527500

All-American Canal below Pilot Knob Wasteway, CA

All-American Canal below Pilot Knob Wasteway, CA is USGS streamgage 09527500 in California, monitoring river discharge in hydrologic subbasin 15030107. Discharge records at this site go back to 2025. Typical flow runs near 5,812.6 cfs in July and 5,930 cfs in April, with the higher of the two arriving in April.

View live conditions →

Gauge details

State
California
Gauge elevation
173 ft
Subbasin (HUC-8)
15030107
Coordinates
32.73532, -114.72374
USGS site number
09527500
Records begin
2025-01-31 (1 years)

Typical flow by month

Long-term daily discharge percentiles from the USGS record (up to 65 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 1,135.7 2,561.6 3,477.1
February 1,709.3 3,437.6 4,382.1
March 3,291.9 4,964.2 5,853.5
April 4,765.3 5,930 6,809
May 4,932.3 5,773.9 6,456.8
June 4,766.3 5,595 6,268.7
July 4,615.5 5,812.6 6,628.1
August 3,948.4 5,369.7 6,359.7
September 3,450.7 4,728.7 5,716.7
October 3,261 4,299.4 4,897.7
November 2,300 3,217.7 3,746.7
December 1,320.4 2,523.2 3,245.8

All values in cubic feet per second (cfs).

Common questions

When does All-American Canal below Pilot Knob Wasteway, CA normally run highest?
April, on the long-term record. The median daily flow that month is about 5,930 cfs, against 2,523.2 cfs in December, the lowest month. These are historical normals for the date, not a forecast and not today's reading.
What is a normal flow for All-American Canal below Pilot Knob Wasteway, CA?
It depends on the month. In January, half of days historically fall near 2,561.6 cfs, with the middle 80% of days between 1,135.7 and 3,477.1 cfs. The month-by-month table on this page gives the full range.
How long has All-American Canal below Pilot Knob Wasteway, CA been measured?
Discharge records at USGS site 09527500 begin in 2025, about 1 years, covering roughly 9,094 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
Where is All-American Canal below Pilot Knob Wasteway, CA?
The gauge sits at 32.73532, -114.72374, in California, in hydrologic subbasin 15030107, at an elevation of about 173 feet.
Can I use All-American Canal below Pilot Knob Wasteway, 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