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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 80.18 feet above NGVD29
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00060, Discharge, cubic feet per second,
Day of
month
Mean of daily mean values for each day for 66 - 67 years of record in, ft3/s   (Calculation Period 1952-10-01 -> 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 62 66 80 115 63 50 33 16 17 26 37 56
2 64 67 87 115 61 50 28 16 16 26 37 54
3 63 76 91 111 59 49 26 15 16 26 42 56
4 67 78 84 111 60 46 24 15 16 27 40 55
5 67 72 82 112 57 46 24 15 16 24 42 57
6 62 67 82 110 58 51 23 14 15 29 42 58
7 63 68 88 105 57 60 24 16 18 30 40 62
8 65 68 87 102 55 61 23 25 16 27 42 63
9 67 65 89 97 57 49 21 24 17 30 46 60
10 66 62 90 95 64 45 19 24 15 29 47 64
11 66 63 88 95 61 43 18 20 22 27 50 62
12 65 68 87 90 57 43 18 22 22 27 47 72
13 68 70 92 89 56 45 19 23 21 26 48 71
14 68 75 103 89 58 55 21 23 20 25 48 68
15 69 69 112 86 57 45 19 23 19 40 48 70
16 68 72 105 93 58 42 19 23 21 38 48 70
17 64 72 103 96 59 41 18 20 25 34 51 72
18 63 70 111 89 56 40 17 23 27 33 51 75
19 66 72 102 85 57 36 16 39 28 33 48 70
20 66 73 99 81 52 34 17 31 26 38 48 65
21 66 72 98 76 51 33 18 24 26 44 52 66
22 67 71 110 76 48 32 18 23 29 36 52 69
23 66 70 112 77 45 33 18 21 27 37 54 66
24 76 73 102 78 46 31 25 21 24 37 54 70
25 83 82 99 76 51 31 24 21 24 37 57 70
26 88 87 96 74 53 29 22 20 26 38 59 66
27 80 79 99 77 47 26 18 18 27 35 60 74
28 79 79 99 73 42 28 19 18 26 37 56 67
29 74 74 102 71 41 27 18 20 28 40 57 66
30 71   115 66 43 29 18 20 26 43 58 66
31 69   116   45   17 18   39   62