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USGS Surface-Water 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 07069000 Black River at Pocahontas, AR


Randolph County, Arkansas
Hydrologic Unit Code 11010009
Latitude  36°15'15", Longitude  90°58'13" NAD83
Drainage area 4,840  square miles
Gage datum 241.64 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 1935-10-01 -> 2024-09-30)

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 7,230 7,200 8,380 10,200 11,600 7,890 4,170 3,170 2,630 2,640 3,210 4,530
2 7,580 7,530 8,290 10,100 12,400 7,700 4,190 3,150 2,650 2,600 3,420 4,550
3 7,600 7,510 8,220 10,100 12,300 7,380 4,100 3,080 2,690 2,590 3,490 4,520
4 7,590 7,290 8,240 10,100 12,000 7,060 4,040 2,950 2,700 2,560 3,490 4,500
5 7,450 7,110 8,270 10,200 11,800 6,820 3,980 2,910 2,660 2,550 3,510 4,480
6 7,290 7,030 8,360 10,300 11,700 6,650 4,080 2,920 2,640 2,550 3,520 4,410
7 7,270 6,940 8,410 10,500 11,600 6,420 4,000 2,900 2,600 2,550 3,570 4,360
8 7,110 6,810 8,500 10,400 11,400 6,180 3,940 2,870 2,570 2,530 3,610 4,330
9 7,030 6,810 8,690 10,200 11,100 5,970 3,940 2,830 2,530 2,550 3,540 4,260
10 6,960 6,850 9,000 9,980 11,100 5,870 3,930 2,870 2,530 2,640 3,430 4,200
11 6,930 6,890 9,100 9,840 11,300 5,880 3,850 2,940 2,540 2,650 3,320 4,280
12 6,870 6,990 9,210 9,890 11,400 5,890 3,880 2,950 2,560 2,640 3,220 4,430
13 6,910 7,220 9,300 9,910 11,500 5,980 3,930 2,950 2,530 2,600 3,240 4,420
14 7,000 7,410 9,430 9,950 11,600 6,160 3,910 2,980 2,470 2,610 3,310 4,490
15 7,050 7,650 9,460 9,930 11,200 6,110 3,810 3,070 2,430 2,600 3,380 4,620
16 7,050 7,790 9,370 9,900 11,000 6,020 3,760 3,130 2,450 2,580 3,500 4,750
17 7,070 7,850 9,340 9,980 11,000 5,920 3,660 3,150 2,500 2,580 3,570 4,810
18 6,980 8,010 9,300 9,960 10,700 5,800 3,540 3,170 2,480 2,570 3,750 4,880
19 6,850 8,040 9,340 9,950 10,500 5,660 3,510 3,210 2,440 2,540 3,990 4,900
20 6,690 8,100 9,670 10,000 10,300 5,520 3,580 3,270 2,450 2,500 4,030 4,950
21 6,640 8,240 10,100 10,200 10,200 5,380 3,460 3,250 2,470 2,470 4,000 5,030
22 6,560 8,430 10,200 10,100 9,940 5,200 3,460 3,150 2,480 2,450 4,070 5,180
23 6,510 8,460 10,300 10,000 9,630 5,000 3,400 3,120 2,560 2,470 4,210 5,290
24 6,520 8,490 10,400 10,200 9,350 4,830 3,310 3,080 2,690 2,520 4,230 5,310
25 6,590 8,520 10,300 10,200 9,160 4,700 3,210 2,970 2,770 2,570 4,250 5,370
26 6,670 8,440 10,300 10,400 9,020 4,540 3,170 2,880 2,820 2,610 4,240 5,400
27 6,900 8,370 10,500 10,800 8,880 4,360 3,090 2,820 2,820 2,630 4,180 5,530
28 6,910 8,360 10,600 11,100 8,790 4,320 3,030 2,790 2,810 2,680 4,270 5,730
29 6,860 6,070 10,500 11,200 8,660 4,240 3,050 2,740 2,770 2,740 4,390 5,990
30 6,910   10,400 11,100 8,440 4,160 3,130 2,690 2,710 2,860 4,480 6,280
31 7,030   10,300   8,180   3,190 2,660   2,980   6,800