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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 01613000 POTOMAC RIVER AT HANCOCK, MD


Washington County, Maryland
Hydrologic Unit Code 02070004
Latitude  39°41'51.2", Longitude  78°10'40.4" NAD83
Drainage area 4,064  square miles
Gage datum 383.00 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 1932-10-01 -> 2020-09-30)

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 5,070 5,300 7,380 8,070 6,150 4,660 2,020 1,870 1,090 1,600 1,990 3,900
2 5,340 5,430 7,710 8,110 5,530 4,080 1,890 1,670 1,110 1,710 1,850 4,160
3 5,080 5,710 7,230 8,060 5,340 4,620 1,720 1,530 1,100 1,730 1,970 3,760
4 4,920 6,150 7,240 7,560 5,760 4,900 1,740 1,480 1,090 1,700 2,080 3,560
5 4,830 5,810 9,060 8,100 6,400 4,400 1,900 1,540 1,160 1,470 2,840 3,920
6 4,940 5,590 10,100 8,330 7,090 4,010 1,880 1,450 1,380 1,450 3,910 3,570
7 4,690 5,590 9,750 7,620 7,500 3,550 1,810 1,780 2,800 1,810 2,540 3,420
8 4,680 5,650 9,240 7,610 7,640 3,370 1,760 1,680 2,750 1,550 2,620 4,110
9 4,800 5,330 8,200 7,170 8,100 3,420 1,740 1,460 1,990 1,760 2,970 4,230
10 4,660 5,570 7,830 7,390 6,900 3,010 1,780 1,340 2,300 2,410 2,780 4,150
11 4,830 5,460 7,880 7,590 6,320 3,070 1,710 1,290 1,790 2,030 2,460 4,250
12 4,610 5,420 8,040 7,120 6,240 3,310 1,660 1,330 1,410 1,580 2,190 4,340
13 4,640 5,600 8,580 7,450 6,000 3,440 1,690 1,570 1,370 1,450 2,330 4,030
14 4,400 6,100 10,000 8,090 5,830 3,920 1,690 2,070 1,490 1,350 2,450 4,060
15 4,350 6,840 10,500 7,920 5,630 3,260 1,580 1,670 1,270 1,880 2,410 4,050
16 4,780 6,160 9,900 7,880 6,140 2,690 1,510 1,410 1,230 3,530 2,290 4,690
17 4,820 6,000 9,020 9,230 7,080 2,480 1,450 1,320 1,300 2,970 2,460 4,710
18 4,400 6,160 11,100 8,580 7,070 2,500 1,610 1,540 2,010 1,900 2,450 4,160
19 4,820 6,520 9,310 6,840 6,880 3,370 1,420 2,670 2,550 2,120 2,230 4,000
20 5,930 6,940 9,610 7,210 6,070 2,840 1,360 1,910 2,410 1,780 2,710 3,800
21 5,400 6,750 10,400 7,710 5,770 2,950 1,450 1,440 1,670 1,790 3,050 3,540
22 5,230 6,970 11,000 6,740 5,730 3,580 1,390 1,470 1,530 1,870 3,070 3,920
23 5,200 7,350 10,300 6,660 5,680 3,860 1,520 1,350 1,620 1,730 2,890 4,310
24 5,290 7,910 10,100 5,970 5,050 3,510 1,530 1,390 1,670 1,780 2,630 4,080
25 5,940 8,210 9,960 6,430 4,770 2,640 1,400 1,670 1,730 1,830 2,560 4,030
26 6,270 8,430 9,120 7,400 4,520 2,180 1,310 1,600 2,040 1,830 2,590 4,170
27 6,230 8,850 8,590 7,820 4,200 2,010 1,240 1,580 1,730 1,790 2,760 4,950
28 5,810 7,920 8,140 7,190 4,370 2,200 1,280 1,390 1,940 2,200 2,970 4,800
29 5,560 8,190 8,960 7,320 4,860 2,280 1,420 1,280 2,160 3,000 3,300 4,450
30 5,120   8,710 6,740 4,640 2,280 1,530 1,200 1,780 2,730 3,690 4,900
31 5,320   8,270   4,210   1,760 1,130   2,340   5,340