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Pearl River near Monticello, MS Water Level Today

Mississippi · USGS gauge 02488500 · live data · Updated Oct 28, 2026

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About this gauge

USGS gauge 02488500 sits on the Pearl River and reads everything draining 4,993 square miles of the Middle Pearl-Silver basin. Its datum sits 158 feet above sea level NAVD88. Daily flow has been on record here since 1962, 61 years of it.

Where this gauge sits in the drainage

Two gauged sites sit upstream of here. The closest is Pearl River at Rockport, MS, reading 4,556 square miles. This gauge adds the 437 square miles that drain in between.

Normal flows here

The Pearl River runs a median of 2,590 cfs at this gauge across 61 years of record. March is the fullest month at a median 11,500 cfs, and October the leanest at 809 cfs. The highest daily mean on record is 121,000 cfs in 1979, and the lowest is 269 cfs in 1964.

Median flow by month
MonthMedian flowShare of annual median
Jan8,450 cfs326%
Feb10,700 cfs413%
Mar11,500 cfs444%
Apr9,870 cfs381%
May3,470 cfs134%
Jun1,640 cfs63%
Jul1,270 cfs49%
Aug1,070 cfs41%
Sep827 cfs32%
Oct809 cfs31%
Nov1,265 cfs49%
Dec4,650 cfs180%

Medians from the USGS daily-statistics record, 1962 to 2026. A month at 100% is running at its own long-term median.

Flood stages and record crests

The Pearl River reaches flood stage at this gauge at 22 feet. NWS starts watching it at 21 feet. The highest crest on record is 34.1 feet, in April 1979.

NWS flood categories
CategoryGage height
Action21 ft
Minor flooding22 ft
Moderate flooding25 ft
Major flooding33 ft
Highest crests on record
WhenCrest
April 197934.1 ft
April 197432.3 ft
February 202031.8 ft
April 198330.5 ft
March 198030.5 ft

Flood categories and crest history from the NOAA National Water Prediction Service, gauge MTCM6. Stages are gage height, not depth. Not for navigation.

Nearby river gauges

Live streamflow and gage height: USGS gauge 02488500. Percentile context computed against the gauge's period of record. Not for navigation.

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