Rivermatics

USGS Streamgage 11355010

Pit River below Pit No 1 Ph near Fall River Mills, CA

Pit River below Pit No 1 Ph near Fall River Mills, CA is USGS streamgage 11355010 in California, monitoring river discharge in hydrologic subbasin 18020003. It sits on the Pit River, alongside 5 other gauges Rivermatics tracks on the same river. It drains a watershed of about 3,761 square miles. Discharge records at this site go back to 1974. Typical flow runs near 1,179 cfs in July and 1,916.3 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.

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Gauge details

State
California
Drainage area
3,761 sq mi
Gauge elevation
2,802 ft
Subbasin (HUC-8)
18020003
Coordinates
40.98322, -121.51193
USGS site number
11355010
Records begin
1974-01-01 (52 years)
Rivermatics forecast
14-day flow outlook

14-day flow forecast

Based on observations through for Pit River below Pit No 1 Ph near Fall River Mills, CA. 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
920 1,002 1,111
895 990 1,105
878 981 1,112
868 977 1,118
862 977 1,122
858 978 1,123
855 980 1,130
854 983 1,137
847 980 1,138
840 974 1,127
850 986 1,138
855 993 1,145
853 992 1,153
843 986 1,151

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 51 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 1,250.3 1,632.6 3,445.5
February 1,258 1,783.8 5,266.6
March 1,296.8 2,319.7 5,572.9
April 1,217.3 1,916.3 4,339.7
May 1,115.8 1,622.6 3,521.6
June 1,004.5 1,315.7 2,236.3
July 929.5 1,179 1,521.3
August 912.8 1,160.6 1,458.7
September 958.4 1,190 1,535
October 1,010.7 1,263.9 1,647.4
November 1,107.7 1,363.7 1,905.3
December 1,181.6 1,468.7 2,425.8

All values in cubic feet per second (cfs).

Common questions

When does Pit River below Pit No 1 Ph near Fall River Mills, CA normally run highest?
March, on the long-term record. The median daily flow that month is about 2,319.7 cfs, against 1,160.6 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 Pit River below Pit No 1 Ph near Fall River Mills, CA?
It depends on the month. In January, half of days historically fall near 1,632.6 cfs, with the middle 80% of days between 1,250.3 and 3,445.5 cfs. The month-by-month table on this page gives the full range.
How long has Pit River below Pit No 1 Ph near Fall River Mills, CA been measured?
Discharge records at USGS site 11355010 begin in 1974, about 52 years, covering roughly 9,130 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
Is there a flow forecast for Pit River below Pit No 1 Ph near Fall River Mills, CA?
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 Pit River below Pit No 1 Ph near Fall River Mills, CA?
The gauge sits at 40.98322, -121.51193, in California, in hydrologic subbasin 18020003, at an elevation of about 2,802 feet, draining roughly 3,761 square miles.
Can I use Pit River below Pit No 1 Ph near Fall River Mills, 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.

Upstream and downstream on the Pit River

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

Other gauges in this subbasin