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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 01163200 OTTER RIVER AT OTTER RIVER, MA


Worcester County, Massachusetts
Hydrologic Unit Code 01080202
Latitude  42°35'18", Longitude  72°02'29" NAD27
Drainage area 34.1  square miles
Contributing drainage area 34.1  square miles
Gage datum 899.33 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 1964-10-01 -> 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 66 62 75 161 96 77 42 25 22 40 56 73
2 68 60 73 164 93 74 43 25 22 39 54 76
3 66 67 76 165 92 70 40 23 22 37 56 77
4 65 79 77 163 90 65 37 24 21 37 55 76
5 66 80 77 165 86 62 35 25 20 38 53 73
6 65 73 81 165 81 64 35 24 20 38 53 71
7 61 67 95 159 78 69 32 23 25 35 52 73
8 61 62 99 145 74 70 31 27 27 33 51 73
9 63 57 102 134 72 65 32 32 29 39 56 69
10 61 54 100 131 72 60 33 35 28 41 59 69
11 61 58 100 135 76 54 32 34 27 37 59 71
12 64 62 102 133 78 52 29 37 29 39 60 73
13 69 63 103 131 76 52 30 39 26 40 64 74
14 71 63 110 132 77 56 33 35 24 40 65 73
15 70 63 123 127 76 56 31 31 22 45 63 76
16 64 64 118 129 76 51 28 29 21 49 62 74
17 61 67 113 139 79 50 28 26 22 48 64 74
18 58 67 119 130 76 55 30 25 28 46 65 81
19 62 70 123 118 74 53 29 27 37 46 60 77
20 64 68 123 111 74 47 28 32 34 46 59 68
21 64 67 117 106 73 43 27 29 29 52 61 66
22 58 71 124 103 67 40 29 27 28 55 63 77
23 56 78 125 107 61 41 32 25 30 52 66 75
24 63 80 125 112 63 43 35 23 30 52 65 81
25 77 87 123 109 67 40 35 22 32 51 64 90
26 84 92 124 101 67 39 30 20 38 55 66 93
27 89 87 133 101 67 37 27 19 47 56 72 85
28 90 82 134 100 61 38 31 22 47 56 75 77
29 83 96 136 96 57 40 34 27 42 57 75 72
30 73   147 95 64 41 30 27 43 62 73 70
31 67   156   68   26 25   62   66