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Water-Year Summary for Site 02475000

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  • Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
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Available Parameters
00060 Discharge(Mean)  
00065 Gage height(Mean)  

Water year 2023: 2022-10-01 to 2023-09-30
 
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USGS Water-Year Summary 2023
02475000 LEAF RIVER NEAR McLAIN, MS
LOCATION - Lat 31°06'26.69", long 88°48'29.96" referenced to North American Datum of 1983, in sec.29, T.2 N., R.8 W., Greene County, MS, Hydrologic Unit 03170005, St. Stephens Meridian, on downstream side of right main pier of bridge on U.S. Highway 98, 1.2 mi east of McLain, 1.8 mi downstream from Atkinson Creek, 5.5 mi upstream from Big Oktibee Creek, and 14.6 mi upstream from confluence with Chickasawhay River.
DRAINAGE AREA - 3,495 mi².
SURFACE-WATER RECORDS
PERIOD OF RECORD - October 1939 to current year. Monthly discharge only for October 1939, published in WSP 1304.
GAGE -

Water-stage recorder and satellite telemeter at station. Datum of gage is 41.83 ft above NAVD of 1988 (Reference Frame NAD_83 (2011) (EPOCH:2010.0000), (GEOID18).

Prior to August 23, 2022, datum of Gage was 42.15 ft above NGVD of 1929. Prior to Sept. 8, 1940, nonrecording gage at same site and datum.

REMARKS - Records good, except for periods of estimated daily discharges, which are considered poor. Computed discharges are adjusted for storage by using the Boyer method for stages between 8 and 20 feet. Adjusted daily discharges that are greater than 10% from the computed daily discharges are edited to reflect the adjusted values. Adjusted peak discharges that are greater than 5% different from the computed values are used for the peak-flow data.
EXTREMES OUTSIDE PERIOD OF RECORD - Flood in April 1900 reached a stage of about 32 ft, from information by local residents.