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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 -> 2023-09-30)

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 5,180 4,580 5,550 12,800 11,600 6,170 3,850 2,680 2,030 2,540 4,690 6,070
2 5,100 4,460 5,450 13,500 11,400 6,120 3,810 2,540 2,130 2,720 4,690 6,040
3 4,970 4,410 5,540 14,100 11,200 6,310 3,750 2,500 2,040 2,820 4,790 6,070
4 4,810 4,700 5,510 14,600 10,900 6,110 3,480 2,530 1,870 2,710 5,200 5,820
5 4,730 4,850 5,430 14,800 10,700 5,750 3,300 2,390 1,810 2,600 5,070 5,540
6 4,630 4,790 5,410 15,300 10,200 5,500 3,180 2,300 1,760 2,510 4,790 5,440
7 4,670 4,690 5,560 15,000 9,570 5,370 3,060 2,230 1,910 2,690 4,640 5,810
8 4,660 4,690 5,830 14,400 9,090 5,300 2,940 2,220 1,960 2,840 4,770 6,180
9 4,630 4,600 6,080 13,900 8,860 5,120 2,840 2,330 1,970 2,870 4,850 5,930
10 4,730 4,340 6,420 13,400 8,750 4,900 2,680 2,350 1,950 2,910 5,070 5,830
11 4,890 4,280 6,530 13,500 8,570 4,720 2,650 2,500 1,960 2,920 5,170 5,930
12 4,820 4,330 6,700 13,700 8,400 4,660 2,600 2,770 2,110 2,900 5,070 6,040
13 4,910 4,350 6,920 13,800 8,490 4,580 2,590 2,640 2,150 2,950 5,050 6,190
14 4,810 4,400 7,360 13,900 8,830 4,660 2,690 2,530 2,150 2,840 5,320 6,080
15 4,730 4,400 7,790 13,900 9,090 4,840 2,780 2,510 2,140 3,060 5,340 6,000
16 4,830 4,440 7,870 14,200 8,910 4,820 2,730 2,360 2,180 3,330 5,220 5,780
17 4,740 4,400 7,910 15,000 8,680 4,630 2,600 2,240 2,120 3,470 5,220 5,480
18 4,540 4,420 8,020 14,800 8,520 4,340 2,440 2,140 2,230 3,510 5,190 5,480
19 4,460 4,410 8,160 14,500 8,340 4,120 2,400 2,110 2,240 3,500 4,910 5,520
20 4,540 4,430 8,680 14,100 8,080 3,970 2,380 2,010 2,280 3,390 4,720 5,420
21 4,590 4,470 9,020 13,700 7,880 3,850 2,470 1,940 2,510 3,700 4,960 5,240
22 4,570 4,780 9,220 13,600 7,660 3,700 2,400 1,890 3,010 4,110 5,060 5,490
23 4,510 5,280 9,460 13,400 7,200 3,640 2,400 1,950 3,110 3,980 5,050 5,570
24 4,620 5,330 9,400 13,100 6,870 3,540 2,600 1,920 2,650 3,890 4,890 5,560
25 4,900 5,600 9,500 13,000 6,900 3,630 2,530 1,850 2,440 4,170 4,850 5,690
26 5,290 5,990 9,740 12,800 6,960 3,610 2,520 1,830 2,370 4,470 5,180 5,960
27 5,590 6,020 10,200 12,700 6,810 3,750 2,340 1,770 2,360 4,480 5,660 5,890
28 5,690 5,850 10,800 12,400 6,530 3,750 2,360 1,660 2,390 4,550 5,880 5,840
29 5,500 6,140 11,400 12,200 6,320 3,750 2,430 1,790 2,390 4,780 6,060 5,830
30 5,130   11,900 12,000 6,190 3,900 2,640 2,030 2,480 4,820 6,130 5,550
31 4,810   12,400   6,200   2,790 2,070   4,760   5,320