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USGS Daily Statistics for Maryland

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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 -> 2021-09-30)

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 5,040 5,260 7,770 7,990 6,490 4,630 2,020 1,860 1,110 1,600 2,000 3,850
2 5,320 5,380 8,090 8,050 5,740 4,050 1,890 1,670 1,120 1,710 1,880 4,130
3 5,130 5,650 7,400 7,990 5,440 4,570 1,720 1,530 1,120 1,730 1,980 3,740
4 4,970 6,070 7,320 7,500 5,820 4,840 1,740 1,490 1,100 1,690 2,080 3,530
5 4,860 5,740 9,050 8,010 6,490 4,350 1,900 1,540 1,180 1,460 2,810 3,880
6 4,960 5,520 10,000 8,230 7,170 3,970 1,870 1,450 1,380 1,450 3,860 3,540
7 4,690 5,530 9,670 7,530 7,530 3,550 1,810 1,770 2,780 1,800 2,510 3,400
8 4,670 5,670 9,150 7,520 7,640 3,360 1,760 1,680 2,730 1,550 2,590 4,060
9 4,770 5,370 8,120 7,090 8,070 3,430 1,730 1,450 1,990 1,750 2,930 4,180
10 4,630 5,560 7,750 7,340 6,890 3,010 1,770 1,350 2,280 2,380 2,740 4,100
11 4,790 5,440 7,780 7,560 6,310 3,080 1,700 1,290 1,780 2,000 2,430 4,200
12 4,580 5,400 7,940 7,270 6,220 3,310 1,650 1,330 1,410 1,570 2,170 4,280
13 4,650 5,590 8,460 7,530 5,970 3,430 1,680 1,570 1,360 1,430 2,350 3,990
14 4,400 6,080 9,900 8,170 5,800 3,900 1,690 2,070 1,480 1,340 2,470 4,010
15 4,350 6,810 10,300 8,010 5,590 3,250 1,580 1,670 1,270 1,860 2,410 4,010
16 4,760 6,130 9,750 7,930 6,080 2,680 1,510 1,410 1,230 3,470 2,290 4,660
17 4,790 5,990 8,890 9,210 6,990 2,480 1,450 1,340 1,290 2,920 2,450 4,690
18 4,380 6,150 10,900 8,550 6,980 2,490 1,610 1,570 2,000 1,870 2,430 4,200
19 4,780 6,500 9,180 6,850 6,780 3,360 1,420 2,670 2,530 2,090 2,210 4,040
20 5,870 6,890 9,510 7,190 5,990 2,930 1,350 1,920 2,390 1,750 2,670 3,820
21 5,350 6,690 10,300 7,660 5,690 3,030 1,440 1,450 1,660 1,770 3,010 3,540
22 5,180 6,900 10,800 6,700 5,650 3,620 1,380 1,470 1,530 1,850 3,020 3,910
23 5,140 7,260 10,200 6,600 5,600 3,890 1,520 1,350 1,610 1,710 2,850 4,320
24 5,230 7,830 9,970 5,930 5,020 3,530 1,520 1,390 1,660 1,760 2,600 4,110
25 5,900 8,190 9,820 6,380 4,740 2,660 1,400 1,670 1,720 1,810 2,530 4,130
26 6,380 8,440 9,010 7,360 4,490 2,190 1,320 1,600 2,030 1,810 2,550 4,390
27 6,290 8,820 8,500 7,810 4,170 2,020 1,240 1,580 1,720 1,770 2,720 5,030
28 5,830 7,920 8,060 7,250 4,330 2,200 1,280 1,390 1,930 2,180 2,920 4,830
29 5,550 7,970 8,870 7,340 4,810 2,280 1,420 1,280 2,140 2,960 3,250 4,470
30 5,100   8,620 6,790 4,610 2,280 1,530 1,200 1,770 2,700 3,630 4,890
31 5,280   8,190   4,190   1,750 1,140   2,340   5,310