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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 01095503 NASHUA RIVER, WATER STREET BRIDGE, AT CLINTON, MA


Worcester County, Massachusetts
Hydrologic Unit Code 01070004
Latitude  42°25'10.0", Longitude  71°39'58.0" NAD83
Drainage area 110  square miles
Gage datum 250 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 2010-10-01 -> 2025-09-30)

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
1 103 85 44 127 119 115 119 83 98 106 81 62
2 100 80 50 126 128 134 118 80 108 106 78 40
3 93 75 58 135 126 133 112 76 108 105 94 52
4 87 79 67 131 123 134 106 74 101 104 92 63
5 82 77 83 135 117 133 113 78 100 115 85 69
6 83 74 94 134 113 130 120 81 98 113 89 73
7 83 69 86 113 112 130 122 82 95 114 88 76
8 71 74 90 106 101 129 123 74 97 117 83 81
9 64 83 107 119 98 122 108 72 96 115 71 86
10 62 77 127 137 103 116 103 74 101 114 65 89
11 77 70 132 136 98 111 122 73 104 110 74 100
12 82 69 132 124 86 112 127 76 114 106 86 113
13 83 72 134 119 83 113 126 80 113 107 79 123
14 85 67 130 123 94 107 126 80 103 105 90 132
15 80 60 124 124 103 112 127 91 102 108 90 123
16 82 56 123 121 109 119 123 95 101 108 76 119
17 89 51 121 112 106 123 124 93 97 108 84 127
18 92 56 114 113 104 126 124 104 93 96 90 141
19 95 67 101 120 103 134 113 116 97 91 91 143
20 99 66 94 115 92 136 110 114 91 87 90 132
21 100 66 82 105 92 132 106 105 86 89 85 129
22 106 68 76 99 96 125 105 97 84 91 80 127
23 101 77 87 106 101 119 102 93 85 92 81 136
24 91 66 95 130 111 122 97 96 86 92 79 140
25 100 48 106 122 109 123 92 99 93 90 64 135
26 108 41 107 105 108 118 89 101 97 79 57 130
27 114 37 100 110 103 117 85 88 99 93 59 119
28 112 42 96 117 106 118 81 87 97 92 72 113
29 110 49 101 118 101 114 83 85 100 85 76 120
30 100   116 112 99 114 82 97 105 85 74 120
31 92   118   99   81 101   84   110