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USGS Daily Statistics for the Nation

The statistics generated from this site are based on approved daily-mean data and may not match those published by the USGS in official publications. The user is responsible for assessment and use of statistics from this site. For more details on why the statistics may not match, click here.

USGS 02488000 PEARL RIVER AT ROCKPORT, MS


Copiah County, Mississippi
Hydrologic Unit Code 03180003
Latitude  31°47'27", Longitude  90°08'33" NAD83
Drainage area 4,556  square miles
Contributing drainage area 4,556  square miles
Gage datum 180.19 feet above NGVD29
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00060, Discharge, cubic feet per second,
Day of
month		 Mean of daily mean values for each day for water year of record in, ft3/s   (Calculation Period 1984-10-01 -> 2025-09-30)

Calculation period restricted by USGS staff due to special conditions at/near site
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
1 7,970 14,300 16,300 10,800 9,790 3,660 2,190 1,790 4,230 1,980 3,700 5,390
2 8,160 13,700 17,300 10,300 9,110 3,900 1,990 1,870 3,490 2,060 3,710 5,340
3 8,640 13,600 17,500 10,400 8,400 3,900 2,190 1,850 3,150 1,870 3,590 5,410
4 8,970 13,200 16,800 10,400 7,870 3,730 2,400 1,760 3,140 1,850 3,500 5,150
5 8,840 13,300 16,300 10,100 7,770 4,020 2,430 1,750 2,740 1,690 3,630 4,970
6 8,730 14,000 16,000 10,600 7,120 3,910 2,700 1,590 2,290 1,510 3,820 4,630
7 9,370 14,000 16,000 10,700 6,370 3,600 2,760 1,550 2,040 1,390 3,630 4,360
8 9,970 13,500 16,200 11,100 5,830 3,390 2,680 1,770 1,790 1,350 3,770 4,340
9 10,800 13,400 16,700 12,100 5,820 3,900 2,600 1,840 1,590 1,300 3,980 4,280
10 11,000 13,000 16,900 13,100 6,240 4,030 2,520 1,720 1,530 1,330 3,870 4,420
11 11,100 13,600 16,000 13,700 6,090 4,510 2,520 1,540 1,510 1,360 3,440 4,640
12 11,500 14,400 14,900 14,100 5,940 4,470 2,680 2,430 1,640 1,190 3,460 4,730
13 11,600 14,800 14,300 14,400 7,310 4,280 2,930 3,000 1,840 1,230 3,610 4,870
14 11,300 14,500 13,900 14,600 7,180 4,110 2,940 2,690 1,720 1,520 3,460 6,100
15 11,100 14,300 13,400 15,100 6,240 4,450 3,010 1,910 1,470 1,550 3,520 6,710
16 10,800 15,400 12,600 15,000 5,340 4,260 3,000 1,720 1,270 1,800 3,720 6,470
17 10,600 16,400 12,000 14,300 4,990 4,020 3,060 1,650 1,010 1,800 4,150 6,480
18 11,100 17,300 11,900 13,600 5,180 4,040 3,480 1,390 818 1,580 4,070 6,600
19 12,400 17,000 11,900 13,100 6,000 4,160 3,150 1,100 719 1,300 3,890 6,690
20 13,500 17,300 11,500 12,200 5,560 3,780 2,880 1,120 708 1,190 3,990 6,630
21 13,500 18,000 10,700 11,100 4,450 3,240 2,920 1,260 727 1,520 3,730 6,410
22 13,700 19,000 10,300 10,100 3,900 2,750 2,980 1,350 765 2,220 3,290 6,220
23 13,900 18,600 10,300 10,100 3,370 2,740 2,920 1,480 852 2,130 3,100 6,730
24 13,900 17,800 9,900 11,100 3,160 2,710 2,810 1,860 959 2,010 3,310 8,060
25 15,500 17,000 9,370 11,400 3,060 2,880 2,620 2,200 1,270 1,900 3,610 8,430
26 15,400 16,300 10,300 11,400 3,160 3,190 2,480 2,550 1,760 2,070 3,700 8,060
27 15,200 16,000 10,600 11,300 3,160 3,120 2,900 3,710 2,200 2,390 3,950 7,730
28 15,700 15,700 10,000 11,400 2,860 2,980 2,380 4,150 2,270 2,840 4,530 8,350
29 14,900 8,180 9,510 11,100 2,940 2,730 2,020 4,140 2,090 3,600 4,780 8,400
30 15,100   9,690 10,500 3,240 2,440 1,750 4,230 2,050 3,560 5,360 8,050
31 15,000   10,100   3,570   1,590 4,630   3,630   7,940