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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 01618000 POTOMAC RIVER AT SHEPHERDSTOWN, WV


Jefferson County, West Virginia
Hydrologic Unit Code 02070004
Latitude  39°26'05.0", Longitude  77°48'05.0" NAD83
Drainage area 5,955  square miles
Gage datum 280.26 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 1927-10-01 -> 2024-09-30)

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