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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 -> 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 5,040 5,300 7,330 8,040 6,530 4,650 2,020 1,870 1,090 1,600 1,990 3,860
2 5,310 5,410 7,650 8,080 5,770 4,070 1,890 1,670 1,110 1,710 1,870 4,120
3 5,040 5,690 7,180 8,020 5,470 4,600 1,720 1,530 1,100 1,730 1,980 3,730
4 4,880 6,120 7,190 7,530 5,850 4,870 1,740 1,480 1,090 1,700 2,080 3,530
5 4,800 5,780 9,000 8,050 6,510 4,380 1,900 1,540 1,160 1,470 2,830 3,890
6 4,910 5,560 10,000 8,280 7,160 4,000 1,870 1,450 1,380 1,450 3,880 3,540
7 4,660 5,570 9,680 7,570 7,540 3,570 1,810 1,780 2,800 1,810 2,520 3,400
8 4,650 5,710 9,170 7,570 7,650 3,380 1,760 1,680 2,750 1,550 2,600 4,070
9 4,760 5,400 8,140 7,130 8,100 3,430 1,730 1,460 1,990 1,760 2,950 4,190
10 4,630 5,600 7,770 7,380 6,910 3,010 1,770 1,340 2,300 2,400 2,760 4,110
11 4,800 5,480 7,820 7,580 6,330 3,080 1,700 1,290 1,790 2,020 2,440 4,220
12 4,590 5,440 7,980 7,110 6,240 3,310 1,650 1,330 1,410 1,580 2,180 4,300
13 4,660 5,620 8,510 7,440 6,000 3,430 1,680 1,570 1,370 1,440 2,310 4,000
14 4,420 6,120 9,960 8,140 5,830 3,900 1,690 2,070 1,490 1,340 2,430 4,030
15 4,370 6,860 10,400 8,000 5,620 3,250 1,580 1,670 1,270 1,870 2,390 4,020
16 4,780 6,170 9,820 7,930 6,120 2,680 1,510 1,410 1,230 3,490 2,280 4,670
17 4,810 6,000 8,950 9,230 7,040 2,480 1,450 1,320 1,300 2,950 2,440 4,700
18 4,400 6,150 11,000 8,570 7,030 2,490 1,610 1,540 2,010 1,880 2,430 4,210
19 4,810 6,510 9,240 6,850 6,840 3,360 1,420 2,670 2,550 2,100 2,210 4,050
20 5,910 6,910 9,570 7,210 6,030 2,930 1,350 1,910 2,410 1,760 2,680 3,830
21 5,390 6,720 10,400 7,700 5,730 3,030 1,450 1,440 1,670 1,780 3,020 3,550
22 5,210 6,930 10,900 6,730 5,690 3,620 1,390 1,470 1,530 1,860 3,040 3,910
23 5,180 7,300 10,200 6,640 5,650 3,890 1,520 1,350 1,620 1,720 2,870 4,300
24 5,270 7,850 10,000 5,960 5,060 3,530 1,530 1,390 1,670 1,770 2,610 4,070
25 5,950 8,150 9,890 6,420 4,780 2,660 1,400 1,670 1,730 1,820 2,540 4,020
26 6,430 8,360 9,080 7,400 4,520 2,190 1,310 1,600 2,040 1,820 2,570 4,150
27 6,340 8,780 8,570 7,850 4,200 2,020 1,240 1,580 1,730 1,790 2,740 4,920
28 5,870 7,870 8,120 7,290 4,370 2,200 1,280 1,390 1,940 2,190 2,940 4,770
29 5,590 7,970 8,930 7,380 4,850 2,280 1,420 1,280 2,160 2,980 3,270 4,430
30 5,130   8,690 6,830 4,640 2,280 1,530 1,200 1,780 2,710 3,650 4,880
31 5,320   8,240   4,210   1,760 1,130   2,330   5,310