CNRFC - Hydrology - Observed River/Reservoir Conditions

CLEAR LAKE - LAKEPORT (CLKC1)

Latitude: 39.04º N	Longitude: 122.91º W	Elevation: 1318 Feet
Location: Lake County in California		River Group: Lower Sacramento

Monitor Stage: 8.0 Feet

Flood Stage: 9.0 Feet

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

Historical Stage/Flow Data
Water Year	Peak Storage (Ac-ft)	Stage (feet)	Date
Most Recent 5 Years
2024*	352,800	8.42	Feb 23, 2024
2023*	344,400	8.23	Mar 22, 2023
2022*	7,360	0.55	Feb 13, 2022
2021*	49,100	1.23	Mar 24, 2016
2020*	191,900	4.70	Apr 16, 2020
Historical High Stage/Flow Events (Period of Record - Oct 1984 to Present)**
1998	--	11.44	Feb 24, 1998
1986	480,900	11.34	Feb 2, 1986
1983	485,400	11.34	Jan 3, 1983
1914	471,800	11.09	Jan 28, 1914

* Data for the most recent 5 years utilizes mean daily values rather than instantaneous values
** Most recent continuous record back to Oct 1984 with segmented periods back to 1874

Location Photographs
Left of Gage Photo	Gage House Photo	Right of Gage Photo

ESRI™ Locator Map

Official 7 Day National Weather Service Forecast (CAZ115)

Today: Mostly sunny. Highs 79 to 90.

Tonight: Partly cloudy. Lows 50 to 60.

Saturday: Sunny. Highs 77 to 90.

Saturday Night: Partly cloudy. Lows 46 to 56.

Sunday: Sunny. Highs 62 to 74. West wind around 20 mph with gusts at higher elevations to around 35 mph.

Sunday Night: Partly cloudy in the evening then becoming mostly cloudy. Chance of rain. Lows 40 to 50.

Monday: Mostly cloudy. Chance of rain. Highs 50 to 61.

Monday Night: Mostly cloudy in the evening then becoming partly cloudy. Slight chance of rain. Lows 38 to 48.

Tuesday: Mostly sunny. Highs 58 to 68.

Tuesday Night through Wednesday Night: Mostly clear. Lows 42 to 52. Highs 61 to 76.

Thursday: Mostly sunny. Highs 70 to 81.

Flood Impacts
11.0 Feet	Major flooding occurs all around the north end of the lake, especially in Lakeport and Clearlake Oaks. Highway 20 around the north end of the lake is closed in some areas.
9.0 Feet	Low lying structures and some main roads around the lake are threatened by the high lake levels.
8.5 Feet	Minor flooding of some lake side residents occurs. More buildings are threatened from Lakeport to Clearlake Oaks.
8.5 Feet	Minor flooding of some lakeside residents occurs. More buildings are threatened from Lakeport to Clearlake Oaks.
8.0 Feet	Minor flooding of some lakeside residents occurs.

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 Eureka 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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