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USGS Daily Statistics for Louisiana

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 02492700 Pearl River at I-10 near Slidell, LA


St. Tammany Parish, Louisiana
Hydrologic Unit Code 03180004
Latitude  30°17'52.4", Longitude  89°42'08.03" NAD83
Gage datum 0.33 feet above NAVD88
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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 2022-10-01 -> 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 3,670 12,700 9,110 10,000 7,520 4,760 6,680 5,770 2,790 3,090 2,330 2,750
2 3,420 12,700 8,880 10,200 7,010 4,680 6,800 5,310 2,800 3,000 2,260 3,310
3 3,250 12,700 9,070 10,400 6,540 4,810 6,900 4,920 2,770 2,880 2,270 3,900
4 3,150 12,700 9,310 10,500 6,070 4,960 6,820 4,540 2,800 2,830 2,280 4,110
5 3,020 12,600 8,810 10,300 5,650 5,140 6,260 4,200 3,060 2,770 2,310 4,000
6 3,200 12,600 7,780 9,960 5,410 5,520 5,060 3,900 3,070 2,770 2,320 3,670
7 3,640 12,600 7,090 9,650 5,410 5,880 4,400 3,650 2,980 2,790 2,300 3,370
8 4,060 12,500 7,030 9,610 5,530 6,250 4,400 3,460 2,880 2,730 2,300 3,140
9 5,030 12,300 7,040 9,740 5,550 6,680 4,600 3,320 2,820 2,640 2,320 2,970
10 7,380 12,200 7,190 10,200 5,310 6,960 4,540 3,230 2,770 2,580 2,370 2,990
11 9,380 11,900 7,680 10,900 4,990 7,080 4,610 3,120 2,840 2,550 2,400 3,000
12 9,990 11,500 8,200 10,900 5,030 7,120 4,650 3,050 4,060 2,560 2,390  
13 10,400 10,200 8,370 10,800 5,490 6,970 4,480 2,980 5,230 2,680 2,410  
14 10,600 9,140 8,400 10,700 6,690 6,050 4,470 2,930 5,200 2,750 2,430  
15 9,600 10,900 8,560 10,800 7,870 5,170 4,550 2,930 4,540 2,700 2,450  
16 7,520 11,200 8,890 11,100 8,730 4,770 4,450 2,910 4,400 2,590 2,500  
17 6,280 11,700 9,450 11,400 9,470 4,520 4,380 2,870 4,740 2,480 2,600  
18 5,630 11,800 9,960 11,700 9,810 4,400 4,420 2,910 4,990 2,420 2,630  
19 5,090 12,000 10,400 11,800 9,860 4,340 4,510 2,890 4,860 2,400 2,580 3,130
20 4,710 12,100 10,800 11,900 9,710 4,450 4,570 2,850 4,480 2,410 2,510 3,070
21 4,560 12,300 10,900 11,900 9,310 4,770 4,820 2,810 4,100 2,390 2,640 2,980
22 4,480 12,300 11,000 12,000 8,830 5,210 5,100 2,790 3,760 2,400 2,770 2,890
23 4,380 12,300 10,800 12,000 8,610 5,720 5,480 2,740 3,410 2,380 3,060 2,840
24 4,370 12,100 10,400 12,000 8,560 5,990 5,620 2,680 3,170 2,310 3,330 2,770
25 6,250 11,900 9,850 11,900 8,300 6,090 5,910 2,650 3,070 2,340 3,600 3,110
26 9,150 11,700 9,390 11,600 7,350 6,110 6,420 2,640 3,040 2,370 3,610 3,750
27 11,100 11,100 9,090 11,100 5,900 6,200 6,940 2,590 3,000 2,390 3,400 4,310
28 12,100 10,400 8,840 10,300 5,270 6,250 7,260 2,560 2,930 2,370 3,140 4,310
29 12,500 7,010 8,950 9,400 5,030 6,340 7,070 2,570 2,980 2,350 2,940 4,190
30 12,600   9,500 8,330 4,940 6,540 6,470 2,660 3,110 2,440 2,780 4,140
31 12,700   9,810   4,920   6,090 2,790   2,410   3,930