CNRFC - Hydrology - River Guidance - Graphical RVF

Start of River Group

Location:

PIT RIVER - CANBY (CNBC1)

Latitude: 41.41º N	Longitude: 120.93º W	Elevation: 4266 Feet
Location: Modoc County in California		Bulletin Group: Upper Sacramento		River Group: Upper Sacramento

Issuance Time:

Jul 19 2025 at 7:39 AM PDT

Next Issuance:

Jul 20 2025 at 9:00 AM PDT

Action/Monitor: 7.5 Feet

Minor Flood: 8.5 Feet

Moderate Flood: 9.0 Feet

Major Flood: 10.0 Feet

Plot Type:

Please Note:
1) Each individual timeseries plotted on the graphical river forecast can be toggled on and off by clicking the legend entry above. If the "Observed (Raw Data)" contains bad data and is toggled off, the plot will scale to the remaining timeseries.

2) At extremely low river flows, the "Observed (Raw Data)" may show readings below the lower end of the available rating table, while the "Observed (Simulated)" will only show values at the bottom of the rating table, creating a potential discrepancy between the two readings.

Observed Data Credit
	Raw streamflow data is provided by the US Geological Survey (USGS). View US Geological Survey (USGS) Data for this station location.

Historical Stage/Flow Data
Water Year	Peak Discharge (cfs)	Stage (feet)	Date
Most Recent 5 Years
2024	1,050	5.39	Feb 21, 2024
2023	2,830	8.00	Mar 17, 2023
2022	980	5.10	Jan 7, 2022
2021	250	3.50	Nov 11, 2020
2020	1,130	5.39	Jan 27, 2020
Historical High Stage/Flow Events (Period of Record - May 1904 to Present)* - Ranked by Flow
1904	13,000	15.00	Mar 08, 1904
1986	9,180	12.87	Feb 19, 1986
1938	8,210	12.65	Dec 11, 1937
1997	7,280	11.82	Jan 02, 1997
* Period of Record - Jan 1904 to Dec 1905, May 1929 to Current Year (1929 to 1931 incomplete)

Location Photographs
Upstream Photo	Gage House Photo	Downstream Photo

ESRI™ Locator Map

Flood Impacts
15.0 Feet	Record flood stage - expect disastrous flooding throughout southwest Modoc and northwest Lassen counties. 13000 cfs
13.0 Feet	Expect disastrous flooding throughout southwest Modoc and northwest Lassen counties. 9300 cfs
11.0 Feet	Expect major flooding in Canby and Lookout in southwest Modoc county and northwest Lassen county. 6600 cfs
10.0 Feet	Expect major flooding in Bieber, Nubieber, and throughout northwest Lassen county 5400 cfs
9.5 Feet	Expect significant flooding in southwest Modoc and northwest Lassen counties. 4900 cfs
9.0 Feet	Expect moderate flooding in Canby and Lookout in Modoc County and Bieber and Nubieber in Lassen County 4300 cfs
8.5 Feet	Flood stage - Expect minor flooding in Canby Lookout Bieber and Nubieber California and throughout southwest Modoc and northwest Lassen Counties. 4300 CFS
7.5 Feet	Expect minor lowland flooding from Canby in Modoc County down to Beiber and throughout northwest Lassen County 2900 CFS

Official 7 Day National Weather Service Forecast (CAZ085)

Today: Sunny. Haze through the day. Patchy smoke this afternoon. Highs in the lower 80s to lower 90s. Southwest winds 5 to 10 mph shifting to the west 10 to 15 mph late this afternoon.

Tonight: Clear. Patchy smoke in the evening. Haze through the night. Lows in the lower to mid 50s. West winds around 15 mph shifting to the northwest 5 to 10 mph late in the evening and overnight.

Sunday: Sunny. Haze through the day. Patchy smoke in the afternoon. Highs in the lower 80s to lower 90s. Southwest winds 5 to 10 mph increasing to around 15 mph late in the afternoon.

Sunday Night: Mostly clear. Haze and patchy smoke in the evening. Lows in the mid 50s to lower 60s. West winds 10 to 20 mph decreasing to 5 to 10 mph after midnight.

Monday: Partly cloudy in the morning then becoming mostly cloudy. Highs in the mid 70s to lower 80s. Southwest winds 10 to 15 mph.

Monday Night and Tuesday: Partly cloudy. Lows in the lower to mid 50s. Highs in the mid 70s to mid 80s.

Tuesday Night through Friday: Mostly clear. Lows in the lower to mid 50s. Highs in the mid 70s to mid 80s.

Product Disclaimer

This river graphic is not intended to serve as a substitute for official flood watches, warnings, advisories, or statements issued by the NWS Medford Weather Forecast Office. Observations are preliminary and subject to change. River levels identified as "forecast" should be consistent with those contained in official NWS products. River levels identified as "guidance" have significant uncertainty due to future weather or reservoir regulation and are provided for planning purposes only.

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