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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 113 - 114 years of record in, ft3/s   (Calculation Period 1903-10-01 -> 2018-09-30)

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 11,600 10,800 12,800 36,100 33,400 15,700 10,000 6,860 5,560 7,540 11,200 15,000
2 11,700 10,300 13,100 37,300 32,600 16,000 10,100 6,720 5,530 7,930 11,100 14,900
3 11,900 10,500 13,000 37,600 32,200 15,700 9,950 6,140 5,340 7,980 11,700 14,800
4 11,700 10,700 13,100 37,600 31,500 15,200 8,040 6,280 5,390 7,820 12,800 14,400
5 11,500 10,500 12,900 37,800 30,500 14,100 8,430 6,530 5,200 7,750 13,200 14,100
6 11,500 10,300 13,200 38,600 28,900 13,500 8,310 6,300 5,220 7,540 13,000 13,900
7 11,400 10,100 14,000 39,400 27,500 13,600 8,090 6,550 5,110 7,730 12,800 14,000
8 11,700 10,200 14,300 39,900 25,600 13,400 7,770 6,720 5,340 8,410 12,800 14,500
9 12,100 9,840 15,200 39,100 24,700 12,600 7,640 6,360 5,310 8,860 12,700 14,100
10 12,400 9,480 16,200 37,800 24,100 12,700 7,520 6,520 5,320 8,470 13,200 13,200
11 12,400 9,440 16,600 38,000 23,900 12,600 7,700 7,040 5,540 8,030 12,600 13,600
12 12,000 9,920 16,900 38,800 23,800 12,400 7,580 7,030 5,620 7,240 12,300 14,000
13 12,000 9,980 17,500 39,100 23,700 12,300 7,420 6,950 5,870 7,400 12,400 14,100
14 11,500 9,860 18,700 39,100 23,100 12,400 7,140 6,910 5,960 7,540 12,200 13,900
15 11,500 9,910 19,400 39,000 22,900 11,900 6,930 6,260 6,090 8,110 12,300 13,600
16 11,500 10,200 19,800 40,100 22,200 11,400 6,920 5,790 6,030 8,620 12,400 13,100
17 11,200 10,500 20,600 41,000 21,800 11,200 6,970 5,750 6,510 8,820 12,700 12,600
18 10,900 10,500 21,500 41,100 21,800 11,500 6,600 5,940 6,520 9,010 12,600 12,600
19 11,300 10,400 22,300 40,900 21,000 11,200 6,250 5,810 6,670 9,290 12,400 12,900
20 11,700 10,100 22,400 40,400 21,000 10,900 6,010 5,670 6,620 9,660 13,100 12,100
21 11,400 10,400 23,000 40,100 20,500 10,600 6,280 5,250 6,790 10,300 13,800 11,800
22 11,500 11,200 23,900 39,300 20,000 9,740 6,400 5,410 7,610 10,500 13,400 12,300
23 11,600 11,800 24,500 39,200 19,300 9,800 6,700 5,590 7,610 10,100 13,000 12,200
24 11,800 12,100 24,300 39,100 19,000 9,840 6,710 5,160 7,120 10,400 12,700 12,600
25 12,700 13,200 24,400 38,700 18,400 9,690 6,490 5,200 6,770 11,600 12,800 12,400
26 13,200 14,000 25,700 38,200 17,700 9,540 6,240 5,020 6,570 12,000 12,900 13,000
27 13,000 13,800 28,400 37,000 17,000 9,380 6,100 5,040 6,620 11,600 13,400 13,300
28 12,700 12,900 31,500 35,300 16,800 9,540 5,950 5,180 6,710 11,800 13,900 12,500
29 12,200 13,100 33,200 35,100 16,500 9,510 6,210 5,740 6,850 12,400 14,500 12,400
30 11,300   34,700 34,200 15,900 9,840 6,850 5,960 7,140 12,200 14,500 12,300
31 10,900   35,400   15,500   6,730 5,890   11,800   12,600