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USGS Daily Statistics for New Hampshire

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To view real-time groundwater levels in New Hampshire. click here

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 01144500 CONNECTICUT RIVER AT WEST LEBANON, NH


Grafton County, New Hampshire
Hydrologic Unit Code 01080104
Latitude  43°38'46", Longitude  72°18'46" NAD27
Drainage area 4,092  square miles
Gage datum 321.11 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 1911-10-01 -> 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 5,320 4,740 5,530 16,800 18,800 8,450 5,830 3,590 3,060 4,280 6,330 7,860
2 5,790 4,680 5,540 17,200 18,800 8,850 5,990 3,550 2,910 4,530 6,380 7,930
3 5,840 4,820 5,670 17,500 18,700 8,590 5,550 3,510 2,900 4,290 6,630 7,820
4 5,820 4,940 5,540 17,400 18,100 8,100 4,370 3,530 2,900 4,260 7,720 7,310
5 5,550 4,910 5,740 17,300 17,300 7,300 4,500 3,790 2,540 4,270 7,140 6,950
6 5,450 4,830 6,110 17,800 16,600 7,080 4,540 3,730 2,540 4,110 6,960 7,110
7 5,550 4,760 6,650 18,700 15,500 7,060 4,400 3,770 2,590 4,680 6,830 7,210
8 5,720 4,590 6,640 19,400 14,600 6,670 4,230 3,620 2,580 4,920 6,640 7,310
9 5,870 4,420 7,150 19,000 14,000 6,310 4,280 3,610 2,670 4,790 6,750 7,100
10 5,750 4,390 7,410 18,800 13,600 6,340 4,570 4,040 2,920 4,530 6,820 6,690
11 5,690 4,500 7,550 19,100 13,300 6,600 5,030 4,140 3,060 4,150 6,470 6,880
12 5,920 5,020 7,650 19,700 13,200 6,640 4,870 3,870 3,090 3,950 6,290 7,220
13 5,830 4,890 7,760 19,800 12,900 6,550 4,560 3,720 3,370 4,080 6,380 7,180
14 5,690 4,780 7,940 20,200 12,800 6,470 4,360 3,610 3,470 4,070 6,600 7,040
15 5,950 4,640 8,260 20,300 12,400 6,370 4,190 3,290 3,400 4,350 6,630 6,950
16 5,630 4,710 8,670 20,600 12,100 6,170 4,100 3,310 3,190 4,710 6,750 6,710
17 5,470 4,680 9,130 21,600 11,600 6,140 4,080 3,350 3,330 4,810 6,860 6,330
18 5,410 4,770 9,780 22,300 11,600 6,090 3,920 3,270 3,410 4,840 6,860 6,590
19 5,570 4,850 9,920 22,100 11,300 6,000 3,950 3,250 3,330 4,870 6,730 6,680
20 5,690 4,580 10,100 22,200 11,500 5,940 3,960 2,980 3,380 5,130 7,160 6,180
21 5,590 4,900 10,500 21,800 11,300 5,520 3,960 2,960 3,620 5,660 7,420 6,360
22 5,490 5,160 10,900 21,900 11,100 5,210 4,010 3,080 3,950 5,910 7,200 6,570
23 5,370 5,480 10,800 22,100 10,600 5,410 3,920 2,980 3,920 5,430 6,840 6,620
24 5,390 5,580 10,800 22,100 9,890 5,430 4,040 2,880 3,880 5,830 6,800 6,660
25 5,780 6,040 11,100 21,900 9,610 5,140 3,800 2,800 3,680 6,430 6,600 6,260
26 5,850 6,480 11,600 21,200 9,340 5,100 3,560 2,840 3,390 6,490 6,780 6,500
27 5,710 6,010 12,600 20,300 8,900 5,420 3,400 2,820 3,580 6,490 7,130 6,370
28 5,700 5,850 14,100 19,500 8,840 5,440 3,290 3,130 3,520 6,610 7,240 6,240
29 5,360 5,920 15,100 19,500 8,680 5,290 3,570 3,370 3,580 6,710 7,400 6,170
30 4,970   15,400 19,000 8,540 5,660 3,780 3,230 3,590 6,400 7,650 6,000
31 4,880   15,700   8,170   3,700 3,130   6,250   6,010