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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 01092000 MERRIMACK R NR GOFFS FALLS, BELOW MANCHESTER, NH


Hillsborough County, New Hampshire
Hydrologic Unit Code 01070002
Latitude  42°56'53", Longitude  71°27'50" NAD27
Drainage area 3,092  square miles
Gage datum 108.58 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 1936-10-01 -> 2022-09-30)

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 5,170 4,600 5,510 12,900 11,700 6,210 3,880 2,700 2,040 2,550 4,710 6,100
2 5,090 4,480 5,430 13,500 11,500 6,160 3,840 2,560 2,140 2,730 4,710 6,060
3 4,940 4,430 5,530 14,100 11,200 6,350 3,780 2,520 2,050 2,840 4,790 6,100
4 4,790 4,700 5,500 14,600 11,000 6,140 3,510 2,550 1,880 2,720 5,130 5,840
5 4,720 4,840 5,430 14,900 10,800 5,780 3,320 2,410 1,820 2,620 5,030 5,560
6 4,620 4,780 5,410 15,400 10,200 5,530 3,200 2,310 1,760 2,530 4,760 5,460
7 4,660 4,690 5,550 15,100 9,610 5,400 3,080 2,250 1,920 2,700 4,620 5,830
8 4,660 4,680 5,780 14,500 9,130 5,330 2,960 2,240 1,960 2,860 4,760 6,190
9 4,640 4,590 6,000 13,900 8,910 5,150 2,860 2,350 1,980 2,890 4,840 5,940
10 4,730 4,330 6,350 13,400 8,800 4,900 2,700 2,370 1,960 2,930 5,070 5,850
11 4,900 4,270 6,480 13,500 8,630 4,710 2,670 2,520 1,970 2,940 5,170 5,950
12 4,830 4,330 6,660 13,700 8,450 4,660 2,620 2,790 2,130 2,910 5,060 6,040
13 4,920 4,350 6,890 13,800 8,550 4,580 2,600 2,660 2,170 2,960 5,010 6,160
14 4,820 4,390 7,350 13,900 8,890 4,670 2,700 2,550 2,160 2,850 5,240 6,060
15 4,740 4,400 7,790 14,000 9,150 4,860 2,800 2,530 2,140 3,020 5,260 6,000
16 4,850 4,440 7,870 14,300 8,960 4,840 2,750 2,380 2,190 3,280 5,160 5,780
17 4,750 4,400 7,890 15,000 8,710 4,650 2,620 2,250 2,130 3,450 5,180 5,470
18 4,550 4,390 7,990 14,900 8,490 4,360 2,450 2,150 2,240 3,500 5,160 5,470
19 4,460 4,330 8,100 14,600 8,330 4,130 2,420 2,120 2,260 3,500 4,880 5,510
20 4,540 4,350 8,590 14,100 8,100 3,990 2,380 2,020 2,290 3,390 4,700 5,410
21 4,600 4,400 8,910 13,800 7,900 3,860 2,470 1,950 2,500 3,710 4,940 5,240
22 4,580 4,720 9,120 13,600 7,680 3,710 2,410 1,900 3,010 4,130 5,050 5,490
23 4,530 5,200 9,400 13,400 7,220 3,660 2,410 1,960 3,110 4,000 5,040 5,560
24 4,640 5,190 9,370 13,200 6,900 3,560 2,610 1,940 2,640 3,910 4,880 5,560
25 4,920 5,450 9,470 13,100 6,930 3,650 2,550 1,860 2,430 4,190 4,850 5,690
26 5,320 5,880 9,690 12,800 7,000 3,630 2,530 1,840 2,370 4,500 5,180 5,960
27 5,620 5,950 10,100 12,700 6,860 3,770 2,350 1,780 2,360 4,490 5,660 5,890
28 5,730 5,800 10,800 12,500 6,570 3,780 2,370 1,670 2,390 4,530 5,890 5,850
29 5,530 6,140 11,500 12,300 6,360 3,780 2,440 1,800 2,390 4,770 6,070 5,840
30 5,160   12,000 12,100 6,230 3,920 2,650 2,040 2,480 4,830 6,150 5,560
31 4,830   12,500   6,240   2,810 2,080   4,770   5,320