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
2015*	186,000	4.56	Feb 22, 2015
2014*	99,400	2.47	Apr 14, 2009
2013*	257,000	6.23	Apr 6, 2013
2012*	242,800	5.90	Apr 29, 2012
2011*	396,100	9.39	Mar 28, 2011
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 (CAZ064)

Tonight: Clear, cooler. Lows 56 to 70. Prevailing southwest winds up to 10 mph shifting to the northeast after midnight.

Wednesday: Sunny. Highs 85 to 98. Prevailing northeast winds up to 10 mph shifting to the east in the afternoon.

Wednesday Night: Clear. Lows 58 to 70. Prevailing south winds up to 10 mph shifting to the northwest after midnight.

Thursday: Sunny. Highs 84 to 98. Prevailing northeast winds up to 10 mph shifting to the south in the afternoon.

Thursday Night: Clear. Lows 56 to 68. Prevailing south winds 5 to 15 mph in the evening becoming light.

Friday: Sunny. Highs 86 to 99.

Friday Night: Clear. Lows 59 to 73.

Saturday through Monday Night: Clear. Highs 90 to 105. Lows 60 to 75.

Tuesday: Sunny. Highs 85 to 98.

Impacts - E19 Information
8.5 Feet	Minor flooding of some lake side residents occurs. More buildings are threatened from Lakeport to Clearlake Oaks.
9.0 Feet	Low lying structures and some main roads around the lake are threatened by the high lake levels.
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.

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 Sacramento 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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