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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 -> 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 5,130 4,620 5,540 12,900 11,700 6,240 3,910 2,550 2,030 2,540 4,560 6,090
2 5,060 4,500 5,450 13,500 11,400 6,190 3,860 2,440 2,100 2,740 4,550 5,960
3 4,910 4,450 5,550 14,100 11,200 6,380 3,790 2,410 1,980 2,840 4,710 6,000
4 4,760 4,720 5,520 14,700 11,000 6,190 3,500 2,450 1,820 2,720 5,130 5,790
5 4,700 4,860 5,450 15,000 10,800 5,820 3,300 2,340 1,770 2,610 5,030 5,540
6 4,600 4,810 5,440 15,500 10,200 5,560 3,180 2,260 1,730 2,510 4,760 5,440
7 4,650 4,710 5,590 15,300 9,580 5,440 3,070 2,210 1,890 2,690 4,620 5,810
8 4,660 4,710 5,820 14,600 9,120 5,370 2,960 2,200 1,940 2,850 4,760 6,190
9 4,640 4,610 6,040 14,000 8,910 5,190 2,840 2,320 1,950 2,890 4,840 5,950
10 4,740 4,350 6,390 13,500 8,820 4,940 2,650 2,340 1,910 2,930 5,070 5,860
11 4,910 4,290 6,530 13,600 8,660 4,740 2,610 2,500 1,920 2,940 5,170 5,970
12 4,840 4,350 6,690 13,900 8,480 4,700 2,550 2,780 2,090 2,920 5,100 6,070
13 4,940 4,370 6,910 13,900 8,590 4,620 2,530 2,650 2,140 2,970 5,050 6,190
14 4,840 4,410 7,360 14,000 8,940 4,710 2,620 2,530 2,140 2,850 5,280 6,090
15 4,750 4,420 7,810 14,100 9,210 4,900 2,720 2,520 2,130 3,030 5,300 6,020
16 4,860 4,460 7,910 14,400 9,020 4,880 2,680 2,370 2,170 3,290 5,200 5,800
17 4,700 4,420 7,940 15,100 8,780 4,690 2,570 2,240 2,110 3,460 5,210 5,500
18 4,490 4,400 8,040 15,000 8,550 4,390 2,360 2,140 2,220 3,510 5,190 5,500
19 4,420 4,350 8,150 14,700 8,400 4,160 2,280 2,110 2,240 3,500 4,910 5,540
20 4,520 4,370 8,640 14,200 8,170 4,020 2,230 2,000 2,280 3,400 4,730 5,440
21 4,590 4,420 8,970 13,900 7,970 3,890 2,310 1,930 2,500 3,730 4,970 5,260
22 4,580 4,750 9,180 13,700 7,750 3,740 2,250 1,870 3,020 4,150 5,080 5,520
23 4,530 5,230 9,460 13,500 7,280 3,680 2,270 1,940 3,120 4,020 5,070 5,590
24 4,660 5,220 9,410 13,200 6,950 3,580 2,530 1,880 2,640 3,930 4,910 5,580
25 4,940 5,480 9,500 13,200 6,980 3,690 2,490 1,790 2,400 4,220 4,870 5,670
26 5,340 5,920 9,700 12,900 7,050 3,660 2,480 1,770 2,300 4,510 5,210 5,780
27 5,640 5,990 10,100 12,800 6,920 3,800 2,300 1,730 2,310 4,490 5,690 5,670
28 5,750 5,840 10,700 12,600 6,630 3,810 2,320 1,630 2,370 4,520 5,900 5,640
29 5,560 6,140 11,400 12,400 6,410 3,810 2,400 1,780 2,370 4,770 6,100 5,650
30 5,190   11,900 12,200 6,270 3,960 2,530 2,030 2,480 4,840 6,170 5,430
31 4,860   12,400   6,270   2,630 2,070   4,730   5,250