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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 01170500 CONNECTICUT RIVER AT MONTAGUE CITY, MA


Franklin County, Massachusetts
Hydrologic Unit Code 01080201
Latitude  42°34'48.8", Longitude  72°34'28.2" NAD83
Drainage area 7,860  square miles
Contributing drainage area 7,860  square miles
Gage datum 98.8 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 1903-10-01 -> 2019-09-30)

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 11,700 10,900 12,900 36,200 33,700 15,700 10,100 6,870 5,540 7,520 11,200 15,100
2 11,800 10,500 13,200 37,300 32,700 16,000 10,100 6,820 5,520 7,950 11,200 14,900
3 12,000 10,700 13,100 37,500 32,400 15,600 9,940 6,220 5,350 8,100 12,100 14,900
4 11,800 10,800 13,300 37,500 31,700 15,100 8,040 6,430 5,370 7,940 13,200 14,500
5 11,600 10,600 13,100 37,700 30,600 14,100 8,430 6,700 5,190 7,840 13,500 14,200
6 11,600 10,400 13,200 38,400 29,100 13,400 8,290 6,450 5,230 7,580 13,300 14,000
7 11,500 10,300 14,100 39,200 27,600 13,600 8,050 6,620 5,100 7,730 13,100 14,100
8 11,700 10,400 14,400 39,700 25,800 13,300 7,740 6,770 5,320 8,420 13,000 14,500
9 12,200 10,000 15,200 39,100 24,700 12,600 7,610 6,430 5,290 8,860 12,900 14,100
10 12,500 9,650 16,200 37,700 24,100 12,600 7,510 6,540 5,300 8,480 13,400 13,200
11 12,400 9,590 16,500 37,900 23,900 12,500 7,660 7,070 5,590 8,070 12,800 13,600
12 12,000 10,000 16,900 38,600 23,800 12,300 7,540 7,110 5,650 7,350 12,400 14,000
13 12,000 10,100 17,400 38,900 23,700 12,200 7,380 7,020 5,940 7,520 12,500 14,100
14 11,600 9,950 18,600 39,100 23,100 12,300 7,100 7,010 5,980 7,600 12,400 13,900
15 11,500 10,000 19,300 39,200 23,000 11,800 6,890 6,360 6,090 8,170 12,500 13,600
16 11,500 10,300 19,700 40,400 22,200 11,400 6,900 5,870 6,010 8,630 12,500 13,100
17 11,200 10,500 20,600 41,300 21,800 11,100 6,960 5,800 6,500 8,840 12,800 12,600
18 10,900 10,500 21,400 41,400 21,700 11,400 6,580 6,030 6,630 9,030 12,700 12,600
19 11,300 10,400 22,200 41,100 20,900 11,100 6,260 5,910 6,750 9,310 12,400 12,800
20 11,700 10,200 22,300 40,600 21,000 10,900 6,010 5,750 6,680 9,650 13,200 12,100
21 11,500 10,500 22,800 40,200 20,600 10,600 6,250 5,290 6,800 10,300 13,800 12,000
22 11,600 11,200 23,700 39,500 20,200 9,690 6,380 5,470 7,600 10,500 13,400 12,800
23 11,700 11,800 24,300 39,400 19,400 9,750 6,730 5,650 7,600 10,100 13,100 12,700
24 11,900 12,100 24,100 39,300 18,900 9,780 6,800 5,190 7,130 10,400 12,700 13,000
25 13,000 13,200 24,200 38,900 18,300 9,650 6,530 5,200 6,790 11,600 12,800 12,600
26 13,500 14,000 25,500 38,500 17,700 9,490 6,350 5,030 6,690 12,000 12,900 13,200
27 13,300 13,700 28,100 37,400 17,000 9,330 6,200 5,080 6,720 11,600 13,500 13,400
28 12,900 13,000 31,100 35,700 16,700 9,530 6,050 5,210 6,800 11,800 13,900 12,600
29 12,400 13,100 32,900 35,500 16,500 9,550 6,290 5,770 6,920 12,400 14,600 12,600
30 11,400   34,400 34,600 15,900 9,870 6,890 5,970 7,150 12,200 14,500 12,400
31 11,000   35,400   15,500   6,740 5,880   11,800   12,700