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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 01154500 CONNECTICUT RIVER AT NORTH WALPOLE, NH


Cheshire County, New Hampshire
Hydrologic Unit Code 01080104
Latitude  43°07'34", Longitude  72°26'14" NAD27
Drainage area 5,493  square miles
Gage datum 217.53 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 1941-10-01 -> 2025-09-30)

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 8,080 7,220 8,350 24,600 23,400 10,800 7,660 5,070 3,950 4,950 8,240 10,900
2 8,150 6,760 8,420 25,300 23,100 11,700 7,560 4,870 3,860 5,730 8,070 10,700
3 8,120 7,020 8,500 25,800 22,900 11,500 7,360 4,570 3,680 5,800 8,180 10,700
4 8,050 7,560 8,650 26,400 22,000 11,200 5,780 4,690 3,650 5,620 8,540 10,200
5 7,890 7,480 8,720 26,800 20,800 10,000 6,020 4,960 3,400 5,650 8,430 9,710
6 7,660 7,230 9,230 26,300 19,700 9,460 6,050 4,990 3,330 5,300 8,610 9,270
7 7,690 7,110 10,300 26,500 18,600 9,480 5,800 4,960 3,330 5,640 8,640 9,560
8 7,780 6,920 10,500 26,300 17,700 9,050 5,510 4,960 3,420 6,060 8,590 9,760
9 8,060 6,560 11,000 25,200 17,200 8,380 5,270 4,800 3,400 6,320 8,860 9,240
10 8,110 6,360 11,700 24,900 17,100 8,280 5,500 5,150 3,580 6,310 9,130 8,790
11 7,950 6,470 11,900 25,800 17,100 8,340 6,350 5,500 3,630 5,590 8,760 9,390
12 8,320 6,730 11,800 25,700 17,200 8,600 6,090 5,120 3,550 5,080 8,670 10,200
13 8,670 6,730 11,900 26,000 17,400 8,500 6,040 5,000 3,820 5,400 8,940 10,400
14 8,270 6,560 12,600 26,600 17,300 8,550 5,920 5,070 3,880 5,230 8,770 10,000
15 8,250 6,380 12,700 27,000 16,500 8,540 5,550 4,580 3,820 5,820 8,800 9,420
16 7,910 6,460 13,300 27,700 15,700 8,280 5,440 4,180 3,670 6,670 8,840 8,970
17 7,640 6,640 13,800 29,300 15,500 7,960 5,450 4,410 3,970 6,760 9,030 8,850
18 7,340 6,820 14,000 29,800 15,100 7,870 5,280 4,370 4,060 7,180 8,890 9,460
19 7,480 6,990 14,200 29,300 14,700 7,310 5,230 4,230 4,100 6,880 8,650 9,420
20 7,790 6,930 14,200 28,700 15,200 7,330 4,900 3,920 4,040 7,150 8,850 8,750
21 7,550 6,770 14,900 28,200 14,900 7,130 5,280 3,710 4,010 7,720 9,550 9,060
22 7,420 7,640 15,300 27,700 14,300 6,380 5,180 3,990 4,080 7,920 9,320 9,620
23 7,440 8,200 15,300 28,000 13,400 6,600 5,200 3,930 4,270 7,380 9,150 9,590
24 7,640 8,500 15,200 28,300 12,700 6,920 5,200 3,670 4,380 7,380 8,860 9,970
25 8,430 9,030 15,800 28,300 12,500 6,840 5,230 3,420 4,310 8,410 8,630 9,390
26 8,950 9,520 16,500 27,500 12,100 6,740 4,680 3,490 4,150 8,640 9,020 9,680
27 8,780 8,910 18,000 26,400 11,700 7,160 4,440 3,360 4,130 8,450 9,870 9,540
28 8,990 8,610 19,600 25,600 11,500 7,450 4,210 3,590 4,410 8,950 10,400 9,140
29 8,360 10,000 20,800 25,000 11,200 7,410 4,510 4,490 4,420 9,300 10,800 9,060
30 7,500   22,100 24,300 10,900 7,390 5,020 4,390 4,540 9,010 10,900 8,970
31 7,420   23,400   10,500   4,950 4,180   8,600   9,270