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USGS Daily Statistics for New Hampshire

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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 01081500 MERRIMACK RIVER AT FRANKLIN JUNCTION, NH


Merrimack County, New Hampshire
Hydrologic Unit Code 01070002
Latitude  43°25'22", Longitude  71°39'12" NAD27
Drainage area 1,507  square miles
Gage datum 250.58 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 1902-10-01 -> 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 2,390 2,110 2,280 5,950 7,110 3,210 2,210 1,600 1,450 1,950 2,500 3,080
2 2,390 2,060 2,280 6,280 6,880 3,320 2,250 1,470 1,470 1,950 2,490 3,000
3 2,300 2,060 2,400 6,210 6,700 3,300 2,290 1,500 1,340 1,800 2,650 2,830
4 2,230 2,130 2,310 6,230 6,790 3,230 2,110 1,530 1,390 1,630 3,130 2,670
5 2,190 2,140 2,220 6,090 6,470 3,030 2,000 1,520 1,320 1,500 3,010 2,500
6 2,220 2,120 2,230 6,250 6,020 2,880 1,940 1,510 1,250 1,510 2,520 2,790
7 2,330 2,090 2,320 6,660 5,490 2,820 1,820 1,460 1,290 1,750 2,530 3,020
8 2,230 2,100 2,470 6,940 5,350 2,660 1,750 1,430 1,290 1,720 2,540 2,890
9 2,240 2,060 2,570 6,590 5,240 2,660 1,910 1,430 1,270 1,780 2,680 2,870
10 2,550 1,990 2,710 6,190 5,210 2,770 1,950 1,540 1,310 1,820 2,710 2,710
11 2,560 1,980 2,690 6,260 4,960 2,690 1,880 1,730 1,450 1,780 2,520 2,930
12 2,340 2,100 2,690 6,730 4,740 2,680 1,820 1,670 1,430 1,690 2,390 2,950
13 2,380 2,280 3,130 6,970 4,700 2,750 1,750 1,540 1,490 1,620 2,460 2,950
14 2,420 2,110 3,250 6,990 4,750 2,540 1,750 1,490 1,450 1,650 2,620 2,760
15 2,500 2,040 3,240 7,260 4,790 2,530 1,680 1,400 1,420 1,680 2,560 2,830
16 2,490 2,110 3,360 7,610 4,780 2,550 1,570 1,360 1,430 1,820 2,510 2,560
17 2,290 2,100 3,410 7,600 4,790 2,450 1,470 1,360 1,390 1,930 2,550 2,350
18 2,190 2,000 3,570 7,590 5,060 2,500 1,460 1,340 1,460 2,080 2,510 2,370
19 2,240 2,000 4,160 7,630 4,680 2,520 1,400 1,280 1,470 1,980 2,440 2,470
20 2,290 1,980 3,920 7,630 4,710 2,340 1,470 1,230 1,450 1,950 2,660 2,370
21 2,200 1,980 3,770 7,740 4,620 2,180 1,500 1,240 1,710 2,250 2,720 2,470
22 2,170 2,010 4,090 7,460 4,410 2,170 1,430 1,250 1,890 2,030 2,530 2,650
23 2,290 2,130 3,920 7,490 4,360 2,110 1,600 1,280 1,620 1,790 2,420 2,660
24 2,320 2,130 3,860 7,600 4,100 2,140 1,610 1,260 1,460 1,990 2,430 2,800
25 2,500 2,250 4,010 7,350 3,980 2,090 1,570 1,220 1,450 2,370 2,520 2,780
26 2,640 2,610 4,410 7,210 3,740 2,100 1,490 1,190 1,410 2,480 2,570 2,790
27 2,570 2,480 4,440 7,160 3,670 2,150 1,450 1,160 1,500 2,440 2,620 2,800
28 2,420 2,350 5,040 6,840 3,740 2,070 1,470 1,170 1,490 2,400 2,600 2,820
29 2,310 2,300 5,300 7,180 3,660 2,180 1,510 1,340 1,500 2,580 2,750 2,630
30 2,190   5,510 7,270 3,400 2,320 1,650 1,360 1,650 2,510 2,770 2,420
31 2,140   5,570   3,260   1,620 1,360   2,600   2,420