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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 8,060 14,500 15,900 10,700 9,630 3,940 2,200 1,750 4,230 1,980 3,570 5,240
2 8,240 13,900 16,800 10,200 8,980 4,080 2,030 1,860 3,490 2,060 3,590 5,170
3 8,670 13,700 16,900 10,200 8,280 3,990 2,270 1,880 3,150 1,870 3,480 5,230
4 8,880 13,300 16,300 10,100 7,780 3,750 2,430 1,760 3,140 1,850 3,390 4,980
5 8,650 13,400 16,200 9,900 7,630 3,970 2,410 1,720 2,740 1,690 3,510 4,810
6 8,590 13,900 16,100 10,800 7,020 3,850 2,650 1,550 2,290 1,510 3,690 4,480
7 9,290 13,900 15,900 11,300 6,760 3,570 2,710 1,510 2,040 1,390 3,530 4,230
8 9,830 13,300 16,100 11,600 6,380 3,350 2,640 1,720 1,790 1,350 3,670 4,220
9 10,700 13,100 16,600 12,400 6,140 3,810 2,560 1,800 1,590 1,300 3,860 4,150
10 11,000 12,700 16,800 13,200 6,450 4,030 2,490 1,670 1,530 1,330 3,760 4,310
11 11,200 13,200 15,900 13,600 6,570 4,780 2,500 1,500 1,510 1,360 3,360 4,570
12 11,600 14,300 14,700 13,900 6,620 4,920 2,650 2,350 1,640 1,190 3,360 4,650
13 11,600 15,300 14,000 14,200 8,040 4,800 2,860 2,900 1,840 1,230 3,490 4,740
14 11,300 15,000 13,600 14,400 7,940 4,660 2,930 2,610 1,720 1,520 3,370 5,930
15 11,100 14,800 13,200 14,900 6,970 4,970 3,120 1,860 1,470 1,550 3,490 6,520
16 10,700 15,900 12,700 14,700 6,000 4,730 3,010 1,680 1,270 1,800 3,650 6,270
17 10,400 16,900 12,200 14,000 5,580 4,260 3,020 1,610 1,010 1,800 4,030 6,290
18 10,900 17,600 12,000 13,200 5,660 4,180 3,410 1,360 818 1,580 3,970 6,410
19 12,200 17,200 11,900 12,700 6,340 4,290 3,080 1,080 719 1,300 3,870 6,470
20 13,200 17,500 11,400 11,800 5,730 3,990 2,820 1,100 708 1,160 4,110 6,440
21 13,100 18,100 10,600 10,800 4,540 3,440 2,850 1,230 727 1,480 3,810 6,210
22 13,300 19,000 10,200 9,860 3,990 2,910 2,910 1,320 765 2,150 3,360 6,010
23 13,400 18,500 10,200 9,940 3,480 2,850 2,860 1,450 852 2,060 3,150 6,510
24 13,500 17,800 9,840 10,900 3,250 2,750 2,740 1,810 959 1,950 3,310 7,780
25 15,000 17,200 9,520 11,300 3,190 2,920 2,550 2,130 1,270 1,840 3,560 8,130
26 14,800 16,400 10,300 11,200 3,300 3,210 2,420 2,470 1,760 2,000 3,610 7,780
27 15,000 15,800 10,500 11,200 3,520 3,130 2,830 3,590 2,200 2,320 3,870 7,470
28 15,700 15,500 9,940 11,200 3,420 3,020 2,320 4,150 2,270 2,750 4,440 8,140
29 14,800 8,180 9,450 10,900 3,530 2,750 1,970 4,140 2,090 3,480 4,640 8,440
30 14,900   9,650 10,300 3,830 2,450 1,710 4,230 2,050 3,440 5,180 8,210
31 14,900   10,000   4,020   1,560 4,630   3,510   8,070