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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 01105500 EAST BRANCH NEPONSET RIVER AT CANTON, MA


Norfolk County, Massachusetts
Hydrologic Unit Code 01090001
Latitude  42°09'16", Longitude  71°08'47" NAD27
Drainage area 27.2  square miles
Contributing drainage area 27.2  square miles
Gage datum 79.40 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 1952-10-01 -> 2021-09-30)

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 63 65 80 115 66 50 33 16 17 25 38 59
2 65 67 87 115 63 49 30 15 16 26 38 56
3 64 76 91 112 61 49 27 15 16 25 42 57
4 68 77 83 113 62 45 26 15 16 26 40 56
5 68 72 81 113 59 46 25 16 16 23 42 59
6 62 67 81 110 59 51 25 16 15 29 42 61
7 63 68 87 105 57 59 25 17 18 29 40 63
8 65 68 86 102 55 60 25 25 16 26 41 64
9 66 64 88 97 58 48 25 23 16 30 45 61
10 65 62 89 96 64 44 24 23 15 29 46 65
11 65 63 86 95 61 44 21 20 22 26 50 64
12 65 67 86 90 57 43 21 22 22 26 46 73
13 68 70 90 89 56 45 23 23 21 26 47 72
14 67 75 101 91 60 55 23 23 19 25 47 70
15 68 69 110 86 58 45 21 23 18 39 47 72
16 69 72 103 94 59 41 20 23 20 37 47 71
17 65 73 101 97 60 41 19 20 24 36 50 72
18 63 70 109 90 57 39 19 23 26 34 50 76
19 66 72 101 85 57 36 18 38 27 33 47 70
20 65 73 98 82 52 33 19 31 25 38 48 66
21 66 71 97 77 51 32 20 23 26 43 51 67
22 66 71 108 77 49 32 19 23 28 36 51 69
23 65 70 110 81 45 33 20 22 26 37 54 67
24 75 72 103 80 46 31 26 22 23 36 55 70
25 82 82 98 77 50 30 25 21 23 37 58 72
26 88 87 95 74 53 29 22 19 26 37 59 69
27 79 79 98 80 47 26 19 18 27 34 60 74
28 78 80 98 76 42 28 19 18 25 37 56 68
29 73 73 101 74 43 28 18 20 27 40 56 67
30 70   115 68 44 30 18 20 26 44 57 67
31 68   115   46   17 18   40   64