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USGS Daily Statistics for Arkansas

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 -> 2012-09-30)

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 6,390 7,210 7,690 9,390 10,200 7,120 3,980 2,930 2,220 2,670 3,050 4,430
2 6,780 7,630 7,670 9,330 10,300 6,840 4,020 2,910 2,250 2,600 3,300 4,400
3 6,700 7,640 7,640 9,380 10,300 6,490 3,900 2,840 2,340 2,560 3,440 4,350
4 6,700 7,410 7,650 9,460 10,300 6,190 3,820 2,720 2,400 2,530 3,480 4,340
5 6,690 7,210 7,690 9,610 10,100 6,000 3,770 2,670 2,390 2,520 3,510 4,350
6 6,700 7,120 7,860 9,910 9,930 5,840 3,820 2,660 2,370 2,530 3,510 4,310
7 6,840 6,950 7,900 10,200 9,800 5,570 3,740 2,640 2,360 2,530 3,530 4,290
8 6,810 6,720 7,950 10,100 9,650 5,310 3,700 2,580 2,340 2,510 3,510 4,280
9 6,780 6,590 8,200 10,100 9,510 5,150 3,710 2,510 2,290 2,540 3,460 4,210
10 6,750 6,580 8,530 9,860 9,760 5,110 3,680 2,500 2,300 2,660 3,380 4,180
11 6,630 6,570 8,620 9,750 10,100 5,180 3,610 2,540 2,330 2,660 3,290 4,310
12 6,410 6,590 8,790 9,890 10,400 5,250 3,640 2,520 2,380 2,650 3,210 4,540
13 6,220 6,760 8,840 9,950 10,600 5,440 3,690 2,460 2,370 2,590 3,270 4,550
14 6,280 6,990 8,880 9,880 10,900 5,780 3,670 2,460 2,340 2,570 3,380 4,500
15 6,380 7,300 8,760 9,760 10,700 5,840 3,530 2,480 2,310 2,550 3,490 4,580
16 6,430 7,530 8,560 9,730 10,500 5,830 3,440 2,520 2,330 2,550 3,640 4,720
17 6,560 7,660 8,380 9,820 10,400 5,800 3,350 2,540 2,400 2,570 3,710 4,760
18 6,570 7,880 8,280 9,810 10,100 5,710 3,250 2,560 2,390 2,580 3,800 4,800
19 6,460 7,970 8,350 9,750 9,900 5,600 3,250 2,580 2,310 2,550 4,040 4,820
20 6,340 8,080 8,810 9,810 9,770 5,460 3,380 2,610 2,330 2,510 4,090 4,890
21 6,340 8,190 9,390 9,890 9,680 5,310 3,260 2,540 2,380 2,470 4,060 4,940
22 6,330 8,250 9,600 9,740 9,340 5,110 3,240 2,430 2,420 2,460 4,110 5,020
23 6,300 8,190 9,740 9,600 9,030 4,880 3,150 2,440 2,540 2,500 4,200 5,150
24 6,350 8,160 9,850 9,780 8,810 4,690 3,020 2,450 2,720 2,560 4,190 5,170
25 6,440 8,130 9,750 9,790 8,620 4,540 2,960 2,390 2,820 2,620 4,190 5,220
26 6,450 7,990 9,750 10,100 8,500 4,380 2,950 2,340 2,880 2,650 4,210 5,200
27 6,730 7,850 9,960 10,600 8,370 4,180 2,880 2,330 2,900 2,670 4,150 5,240
28 6,770 7,680 9,860 10,800 8,250 4,130 2,830 2,310 2,890 2,710 4,230 5,420
29 6,730 5,490 9,790 10,600 8,070 4,050 2,830 2,260 2,830 2,690 4,320 5,600
30 6,800   9,720 10,200 7,820 3,990 2,880 2,250 2,750 2,710 4,400 5,750
31 6,970   9,530   7,470   2,930 2,240   2,840   6,030