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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
1 111 91 47 136 124 114 120 83 98 106 85 67
2 108 86 53 136 132 136 119 80 108 106 83 43
3 101 81 63 145 132 137 112 76 108 105 101 56
4 93 85 72 141 131 139 106 74 101 104 99 68
5 89 83 89 145 124 141 113 78 100 115 91 74
6 89 79 101 144 116 139 121 81 98 113 96 78
7 89 74 92 121 112 140 122 82 95 114 95 82
8 77 80 97 114 99 138 125 74 97 117 89 87
9 68 89 115 128 86 131 108 72 96 115 76 93
10 67 83 137 148 78 124 101 74 101 110 70 95
11 83 75 142 146 70 117 120 73 104 106 79 107
12 88 74 141 133 59 117 126 76 114 102 92 121
13 90 77 144 128 56 118 125 80 113 102 84 133
14 91 72 139 129 67 110 125 80 103 100 96 143
15 86 64 133 127 78 114 126 91 102 103 97 133
16 88 59 132 123 85 122 122 95 101 103 81 128
17 95 54 130 115 87 126 124 93 97 102 90 137
18 98 60 122 117 85 128 125 104 93 92 97 152
19 102 72 109 125 88 136 113 116 97 88 97 154
20 106 71 101 121 82 138 109 114 91 84 96 142
21 107 71 88 112 85 136 105 105 86 84 91 139
22 114 73 81 102 89 128 105 97 84 87 86 137
23 109 83 93 108 87 122 102 93 85 87 87 146
24 98 70 102 136 91 127 96 96 86 87 85 151
25 107 52 114 128 89 129 92 99 93 84 68 145
26 116 44 115 108 92 124 88 101 97 71 62 140
27 122 39 107 113 91 122 84 88 99 86 64 128
28 120 44 103 121 98 122 79 87 97 86 77 122
29 118 49 109 122 95 116 82 85 100 78 82 130
30 108   125 117 95 116 82 97 105 83 80 129
31 99   127   95   81 101   88   119