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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 01053500 Androscoggin River at Errol, NH


Coos County, New Hampshire
Hydrologic Unit Code 01040001
Latitude  44°46'57", Longitude  71°07'43" NAD83
Drainage area 1,046  square miles
Contributing drainage area 1,046  square miles
Gage datum 1,226.59 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 1904-10-01 -> 2024-09-30)

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 1,910 1,970 2,030 1,940 3,160 2,550 2,060 1,700 1,660 1,580 1,600 1,680
2 1,900 1,970 2,020 2,000 3,230 2,450 2,050 1,710 1,660 1,590 1,580 1,680
3 1,900 1,950 2,030 1,960 3,320 2,400 2,010 1,700 1,650 1,590 1,560 1,680
4 1,890 1,950 2,040 1,910 3,440 2,410 1,960 1,690 1,650 1,590 1,580 1,710
5 1,890 1,960 2,040 1,860 3,520 2,410 1,960 1,680 1,660 1,610 1,620 1,700
6 1,880 1,970 2,030 1,860 3,470 2,350 1,920 1,690 1,690 1,610 1,620 1,670
7 1,890 1,970 2,040 1,860 3,420 2,290 1,860 1,720 1,690 1,620 1,620 1,630
8 1,890 1,960 2,030 1,880 3,360 2,220 1,820 1,730 1,680 1,610 1,620 1,630
9 1,890 1,970 2,020 1,900 3,340 2,170 1,790 1,720 1,670 1,620 1,650 1,650
10 1,880 1,980 2,000 1,930 3,340 2,190 1,800 1,720 1,650 1,620 1,680 1,660
11 1,880 1,970 2,010 1,900 3,390 2,280 1,820 1,690 1,690 1,610 1,640 1,680
12 1,880 1,970 1,990 1,860 3,290 2,340 1,810 1,680 1,740 1,600 1,640 1,670
13 1,870 1,970 1,970 1,910 3,320 2,300 1,780 1,700 1,740 1,600 1,610 1,700
14 1,860 1,970 1,940 1,950 3,260 2,280 1,760 1,690 1,710 1,590 1,590 1,740
15 1,880 1,970 1,940 2,040 3,230 2,360 1,760 1,690 1,700 1,630 1,590 1,790
16 1,890 1,980 1,950 2,150 3,230 2,400 1,770 1,690 1,700 1,670 1,610 1,820
17 1,900 1,980 1,950 2,280 3,190 2,440 1,770 1,690 1,690 1,660 1,670 1,850
18 1,920 1,980 1,950 2,350 3,150 2,450 1,760 1,690 1,700 1,660 1,730 1,880
19 1,940 1,980 2,010 2,360 3,150 2,410 1,770 1,690 1,690 1,660 1,710 1,930
20 1,950 1,980 2,040 2,410 3,080 2,380 1,760 1,680 1,670 1,640 1,670 1,940
21 1,950 1,980 2,000 2,470 3,050 2,330 1,780 1,670 1,650 1,620 1,640 1,920
22 1,950 2,000 1,950 2,530 3,110 2,290 1,770 1,670 1,660 1,620 1,630 1,930
23 1,950 2,000 1,950 2,650 3,030 2,240 1,750 1,670 1,640 1,620 1,630 1,930
24 1,940 2,010 1,940 2,780 2,870 2,180 1,770 1,670 1,600 1,620 1,630 1,940
25 1,930 2,000 1,920 2,830 2,780 2,070 1,780 1,670 1,610 1,590 1,630 1,930
26 1,930 1,970 1,900 2,890 2,700 1,990 1,770 1,660 1,620 1,620 1,620 1,920
27 1,940 1,980 1,850 2,900 2,700 2,000 1,730 1,680 1,620 1,640 1,650 1,910
28 1,940 2,000 1,850 2,860 2,660 2,000 1,700 1,700 1,610 1,660 1,690 1,900
29 1,950 2,110 1,840 2,980 2,570 2,070 1,680 1,670 1,600 1,680 1,700 1,920
30 1,960   1,840 3,090 2,520 2,080 1,660 1,660 1,590 1,660 1,700 1,920
31 1,960   1,870   2,550   1,660 1,660   1,630   1,910