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USGS Daily Statistics for the Nation

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 01175500 SWIFT RIVER AT WEST WARE, MA


Hampshire County, Massachusetts
Hydrologic Unit Code 01080204
Latitude  42°16'04", Longitude  72°19'59" NAD27
Drainage area 189  square miles
Contributing drainage area 189  square miles
Gage datum 364.54 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 1939-10-01 -> 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 81 98 89 138 214 178 95 83 84 76 74 72
2 89 97 88 140 212 175 91 85 86 74 73 73
3 90 96 88 143 210 171 87 84 83 75 74 75
4 88 98 88 150 210 169 79 83 83 76 74 75
5 88 102 87 157 205 165 84 81 83 76 79 76
6 87 102 88 166 199 160 83 79 83 77 77 76
7 87 102 90 171 197 155 82 80 84 75 75 77
8 86 101 90 174 195 151 80 80 85 73 75 78
9 86 99 91 174 191 145 79 82 84 71 77 80
10 85 96 91 172 186 139 77 83 83 70 78 81
11 86 96 94 173 184 136 78 82 83 70 72 80
12 86 95 95 176 182 131 76 82 85 64 79 80
13 85 93 96 183 180 128 76 79 85 71 77 81
14 87 92 99 187 176 129 77 78 84 70 78 81
15 92 91 99 185 168 127 79 79 84 71 80 80
16 91 91 99 193 168 123 79 77 83 71 81 80
17 90 89 99 207 171 118 78 76 82 71 81 82
18 92 92 98 213 171 113 78 79 81 71 80 82
19 94 90 99 206 166 108 77 83 83 74 80 84
20 94 90 100 218 165 105 75 77 82 76 79 84
21 94 90 102 218 163 102 74 75 83 76 77 85
22 93 81 105 213 158 102 75 77 83 74 74 87
23 93 89 108 213 158 100 74 78 83 73 75 87
24 93 89 111 212 159 99 77 79 81 74 76 88
25 96 89 111 210 158 98 78 81 79 74 75 81
26 97 88 111 210 157 98 77 80 80 74 73 89
27 96 89 112 213 158 97 77 81 80 74 73 89
28 97 89 115 215 155 96 79 82 79 71 74 89
29 98 111 120 216 153 94 79 83 82 70 74 90
30 98   124 214 154 95 79 85 79 70 72 90
31 98   131   174   80 86   72   91