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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 -> 2023-09-30)

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 5,000 5,220 7,770 7,940 6,460 4,610 2,000 1,830 1,130 1,590 2,030 3,790
2 5,320 5,340 8,070 8,030 5,710 4,030 1,880 1,650 1,430 1,700 1,890 4,070
3 5,180 5,600 7,380 7,980 5,420 4,550 1,700 1,510 1,260 1,720 1,980 3,680
4 5,010 6,080 7,290 7,480 5,810 4,810 1,720 1,470 1,160 1,710 2,070 3,480
5 4,890 5,890 9,000 7,980 6,560 4,320 1,880 1,520 1,210 1,470 2,780 3,820
6 4,970 5,640 9,970 8,210 7,210 3,950 1,860 1,440 1,400 1,450 3,800 3,490
7 4,690 5,580 9,600 7,620 7,820 3,530 1,790 1,760 2,760 1,790 2,480 3,350
8 4,670 5,690 9,090 7,670 8,210 3,340 1,740 1,670 2,720 1,540 2,560 4,000
9 4,760 5,370 8,070 7,220 8,360 3,380 1,720 1,450 2,000 1,730 2,890 4,120
10 4,620 5,560 7,710 7,410 7,040 2,980 1,750 1,340 2,270 2,350 2,700 4,040
11 4,790 5,430 7,750 7,600 6,400 3,050 1,690 1,290 1,780 1,980 2,400 4,130
12 4,580 5,390 7,900 7,280 6,270 3,320 1,640 1,330 1,410 1,560 2,180 4,210
13 4,650 5,570 8,420 7,530 6,000 3,430 1,670 1,550 1,370 1,420 2,390 3,920
14 4,400 6,060 9,830 8,150 5,810 3,870 1,670 2,040 1,490 1,330 2,500 3,950
15 4,340 6,770 10,300 7,980 5,590 3,240 1,560 1,650 1,270 1,840 2,420 3,950
16 4,740 6,100 9,680 7,890 6,080 2,690 1,490 1,400 1,230 3,410 2,290 4,630
17 4,770 5,950 8,830 9,150 6,980 2,480 1,440 1,330 1,290 2,880 2,460 4,690
18 4,360 6,140 10,800 8,500 6,960 2,480 1,600 1,560 1,980 1,850 2,430 4,190
19 4,760 6,520 9,120 6,810 6,760 3,330 1,410 2,640 2,500 2,060 2,210 4,010
20 5,840 6,910 9,440 7,160 5,970 2,900 1,350 1,900 2,360 1,730 2,660 3,790
21 5,330 6,690 10,200 7,630 5,670 3,000 1,430 1,440 1,640 1,750 2,980 3,510
22 5,150 6,890 10,700 6,690 5,630 3,570 1,370 1,450 1,510 1,820 2,990 3,870
23 5,120 7,240 10,100 6,600 5,580 3,830 1,500 1,340 1,610 1,690 2,820 4,280
24 5,200 7,800 9,890 5,930 5,000 3,490 1,510 1,380 1,790 1,740 2,570 4,070
25 5,870 8,150 9,750 6,370 4,720 2,630 1,390 1,650 1,780 1,790 2,500 4,090
26 6,340 8,450 8,950 7,330 4,470 2,170 1,300 1,580 2,050 1,790 2,530 4,350
27 6,240 8,840 8,450 7,770 4,160 2,000 1,230 1,560 1,730 1,750 2,690 4,990
28 5,780 7,930 8,010 7,210 4,320 2,180 1,270 1,380 1,930 2,150 2,880 4,790
29 5,510 7,970 8,800 7,300 4,800 2,260 1,410 1,270 2,130 2,910 3,200 4,430
30 5,060   8,560 6,750 4,600 2,260 1,510 1,210 1,760 2,670 3,580 4,860
31 5,240   8,130   4,180   1,730 1,140   2,340   5,270