USGS Water-Year Summary 2023
02483500 PEARL RIVER NR LENA, MS
LOCATION - Lat 32°40'02", long 89°38'46" referenced to North American Datum of 1983, in SE 1/4 SE 1/4 sec.35, T.10 N., R.6 E., Leake County, MS, Hydrologic Unit 03180001, Choctaw Meridian, on the downstream side of Highway 25 bridge 41.5 N, 0.3 mi north of Highway 13, 2.8 mi upstream of the confluence with the Yockanookany River, and at mi 353.8 (about 52 miles upstream of the Ross Barnett Reservoir).
DRAINAGE AREA - 1,981 mi².
SURFACE-WATER RECORDS
PERIOD OF RECORD - Oct. 1936 to Sept. 1953, Oct. 1994 to current year. Daily mean gage heights published since October 1994. Additional gage-height discharge records are available from the national Weather Service and the U.S. Army Corps of Engineers.
GAGE - Water-stage recorder. Datum of Gage is 299.79 ft above NAVD of 1988. Prior to Feb. 2023, Datum of Gage was 300.00 ft above NGVD of 1929, Prior to Jan. 1984 at site of old Highway 13 bridge, 0.3 mi upstream at datum 0.5 ft lower.
COOPERATION - Pearl River Valley Water Supply District
EXTREMES OUTSIDE PERIOD OF RECORD - Flood of April 1979, reached a stage of 32.20 ft at datum 0.5 ft lower, and a discharge of 122,000 ft³/s.
CLIMATOLOGICAL RECORDS
PERIOD OF RECORD - Precipitation record; Oct 28, 1994 to current
INSTRUMENTATION - 8-inch Design Analysis H-3401 (Sn 14 H 101642) tipping-bucket precipitation gage was re-located on top of CMP well on Oct 30, 2015. Top of collection funnel is ~ 3 feet above top of CMP well and is not equipped with a wind shield.