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USGS Daily Statistics for Massachusetts

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ICE EFFECTS ON STREAMFLOW

The formation of ice on rivers can cause discharge values to appear unusually high. Display of these erroneous discharge data may result in improper assessment of flow conditions and misuse of the data. For this reason, display of discharge values for streams significantly affected by ice may be disabled from view. Display of discharge data will resume when ice conditions are no longer present. Discharge values for streams minimally affected by ice will continue to be displayed. Flows for streams with these conditions appear to increase during the night and decrease to near-base-line conditions around midday. To estimate the correct discharge for these streams, use the flow rate that corresponds to the bottom of the discharge curve, rather than the peak that corresponds to the top of the curve. Note that this method of estimation is possible only when no surface runoff is occurring. Daily mean discharges for periods of both significant and minimal ice-effect will be estimated and published in the Annual Water-Data Report for the water year in which they occurred.


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 01161280 CONNECTICUT RIVER NEAR NORTHFIELD, MA


Franklin County, Massachusetts
Hydrologic Unit Code 01080201
Latitude  42°41'00", Longitude  72°28'19" NAD83
Drainage area 6,730  square miles
Gage datum 170.00 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 2017-10-01 -> 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 16,400 11,000 12,200 27,900 28,500 7,690 8,290 8,070 4,800 4,930 15,900 15,300
2 16,600 10,100 11,000 27,500 29,100 6,970 8,110 8,990 5,360 5,150 16,300 15,700
3 15,300 9,800 10,500 23,800 26,300 6,810 10,700 7,420 4,970 6,440 18,900 14,900
4 14,200 10,600 12,300 25,700 24,900 6,260 9,820 9,200 3,870 6,550 18,800 16,300
5 13,600 9,910 12,400 24,600 24,000 6,500 9,020 10,500 4,180 6,030 14,700 15,100
6 13,300 10,600 14,300 23,600 23,700 6,360 8,310 8,790 5,020 5,010 12,700 13,100
7 12,500 11,500 18,500 24,100 20,800 7,770 7,180 6,420 3,950 4,820 13,000 12,700
8 11,100 11,600 20,600 26,700 18,600 7,130 7,220 6,080 3,940 6,550 12,000 13,800
9 10,800 10,800 19,400 28,800 17,200 7,470 8,380 7,170 4,410 7,040 9,740 12,600
10 11,900 11,000 17,800 30,400 15,500 6,760 13,800 6,990 4,630 5,020 10,500 13,200
11 12,600 11,000 18,700 29,100 15,200 6,020 22,900 6,700 4,750 4,780 10,100 17,300
12 13,200 10,300 17,900 29,500 14,900 7,030 20,300 7,260 4,720 5,960 9,780 20,100
13 16,900 9,440 17,200 31,700 14,400 6,320 18,500 5,930 5,000 5,890 11,700 17,100
14 18,400 9,580 19,200 36,500 14,400 6,370 16,200 6,140 5,420 6,580 13,700 16,300
15 15,300 9,300 17,300 37,800 13,600 5,250 15,000 5,920 4,890 7,600 11,700 18,200
16 13,200 9,030 19,200 36,900 13,500 5,200 13,800 5,460 4,420 7,190 11,000 16,500
17 12,100 9,850 18,100 31,800 14,000 4,570 11,400 5,300 4,220 7,810 10,700 14,600
18 10,900 11,600 17,200 30,700 15,100 6,080 15,600 6,200 3,970 10,400 10,300 16,700
19 9,510 12,000 17,900 28,200 14,300 6,420 15,500 7,770 5,200 9,040 9,540 19,900
20 9,790 11,100 18,000 27,400 13,600 5,680 13,400 7,250 6,110 6,910 10,700 18,000
21 9,350 10,200 18,500 26,900 15,500 7,740 11,800 5,550 5,670 7,850 9,710 19,400
22 10,300 9,150 17,900 26,800 14,200 7,510 12,500 5,130 6,200 10,600 9,270 25,500
23 10,300 11,100 18,300 27,600 12,700 6,020 11,200 5,190 5,690 9,820 8,810 25,700
24 10,600 12,300 19,000 28,800 10,500 5,110 9,540 5,180 7,030 9,060 9,200 24,800
25 14,700 11,100 21,100 25,400 9,160 5,040 8,800 4,930 6,190 8,700 8,940 23,800
26 18,800 10,700 22,200 22,100 8,850 5,210 8,670 4,930 6,090 8,060 8,270 25,300
27 16,500 10,400 22,700 22,100 8,590 7,660 7,230 5,130 5,280 9,200 10,200 21,800
28 14,100 11,000 22,800 24,400 9,780 8,270 8,010 5,130 4,470 10,200 12,600 18,400
29 13,500 16,200 25,900 22,200 9,430 8,420 8,570 5,070 4,790 9,370 13,500 17,300
30 12,200   26,400 23,000 8,790 8,150 12,700 5,290 4,490 9,740 12,300 16,200
31 11,800   24,200   8,410   9,420 4,790   11,900   15,900