USGS Water-Year Summary 2021
02488500 PEARL RIVER NEAR MONTICELLO, MS
LOCATION - Lat 31°33'12", long 90°05'17" referenced to North American Datum of 1983, in SW 1/4 sec.23, T.7 N., R.21 W., Lawrence County, MS, Hydrologic Unit 03180003, St. Stephens Meridian, near left bank on downstream side of bridge on U.S. Highway 184, 1.0 mi east of Monticello, 2.5 mi upstream from Halls Creek, 4.1 mi upstream from Silver Creek and at mile 190.8.
DRAINAGE AREA - 4,993 mi².
- WSP 1504: 1939, 1949.
PERIOD OF RECORD - October 1938 to current year. Daily mean gage heights published since January 1972. Gage-height records collected in vicinity since 1924, are contained in reports of National Weather Service.
GAGE - Water-stage recorder. Datum of gage is 158.66 ft above NGVD of 1929 (levels by U. S. Army Corps of Engineers). Prior to Dec. 12, 1938, nonrecording gage, Dec. 12, 1938, to Jan. 10. 1949, water-stage recorder, and Jan. 11, 1949 to Oct. 16, 1952, nonrecording gage, all at same site and datum.
EXTREMES OUTSIDE PERIOD OF RECORD - Flood in April 1902 reached a stage of about 33 ft, from reports of National Weather Service, discharge, about 100,000 ft³/s, from rating curve extended above 70,000 ft³/s.