USGS Water-Year Summary for Site 12181200

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	Available Parameters
	00060 Discharge(Mean)

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Water year 2023: 2022-10-01 to 2023-09-30

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USGS Water-Year Summary 2023

12181200 SALIX CREEK AT SOUTH CASCADE GLACIER NEAR MARBLEMOUNT, WA

LOCATION - Lat 48°22'16", long 121°04'35" referenced to North American Datum of 1927, Skagit County, WA, Hydrologic Unit 17110005, on left bank of creek.

DRAINAGE AREA - 0.08 mi².

REVISIONS HISTORY -

Gage height and discharge for the period June 20, 2018, to Sept. 27, 2018, revised on Nov. 25, 2019, based on a correction to the time zone of the appended data.

SURFACE-WATER RECORDS

PERIOD OF RECORD - June 1961 to November 1975 (fragmentary), May 1976 to September 1993, October 2002 to February 2003, July 2003 to September 2012, October 2013 to current year (fragmentary).

GAGE - Water-stage recorder in a structure that channelizes creek into 3 ft wide flume leading to a V-notch weir located at its downstream end. The V-notch weir is the control at all stages, with the exception of very high flow, which may not be contained by the gage structure. Discharge was classified as a high-precision weir beginning in October 2015 in order to compute daily discharge values to the thousandth of a cubic feet per second. Elevation of gage is 5200 feet above NGVD of 1929, from topographic map. Gage height of zero is at the elevation of the bottom of the notch (zero flow).

REMARKS - No regulation or diversion.

Water Year 2012: Records fair except for daily discharges that may have been ice-affected, Oct. 23 to May 1, which are poor.

Water Year 2013: No gage height or temperature record available for the entire water year due to power loss.

Water Year 2014: Records poor.

Water Year 2015: Records fair except for discharges that may have been ice-affected, Nov. 2 to May 5, which are poor.

Water Year 2016: Records fair except for discharges that may have been ice-affected, Nov. 25 to April 27, which are poor.

Water Year 2017: Records fair except for discharges that may have been ice-affected, Dec. 3 to May 18, which are poor.

Water Year 2018: Records fair except for discharges that may have been ice-affected, Dec. 15 to April 28, which are poor.

Water Year 2019: Records good except for discharges above 0.125 cfs, which are fair, and discharges that may have been ice-affected, Nov. 8 to April 20, which are poor.

EXTREMES FOR PERIOD OF RECORD - Maximum daily discharge, 15 ft³/s, Nov. 6, 2006.