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USGS Surface-Water 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 80 97 88 137 212 177 95 83 84 76 74 71
2 89 97 88 139 210 174 91 85 86 74 73 73
3 89 96 87 142 209 169 87 84 83 75 74 74
4 88 98 88 149 209 168 79 83 83 76 74 74
5 88 101 87 155 203 163 84 81 83 76 79 76
6 86 102 88 164 198 160 83 79 83 77 77 76
7 86 101 90 170 195 155 82 80 84 75 75 76
8 86 100 90 173 193 151 80 80 85 73 76 78
9 86 98 91 173 189 145 79 82 84 71 77 80
10 85 95 91 171 185 139 77 83 83 70 79 80
11 86 95 93 172 182 136 78 82 83 70 73 79
12 86 94 94 175 180 131 76 82 85 64 80 80
13 85 93 95 182 178 128 76 79 85 71 78 80
14 87 91 98 185 175 129 77 78 84 70 79 81
15 92 91 99 184 167 127 79 79 84 71 80 80
16 91 91 98 192 166 123 79 77 83 71 81 80
17 90 89 98 205 170 118 78 76 82 71 82 81
18 91 91 98 211 170 113 78 79 81 71 81 82
19 94 90 98 204 165 108 77 83 83 74 80 83
20 94 90 99 216 163 105 75 77 82 76 80 84
21 94 89 102 216 162 102 74 75 83 76 78 85
22 92 81 104 211 157 102 75 77 83 74 75 86
23 92 89 107 211 157 100 74 78 83 73 76 87
24 93 89 111 210 158 99 77 79 81 74 76 88
25 96 88 110 208 157 98 78 81 79 74 76 80
26 96 88 110 208 156 98 77 80 80 74 74 89
27 95 88 111 212 157 97 77 81 80 74 73 89
28 96 88 114 214 154 96 79 82 79 71 74 89
29 97 111 119 214 152 94 79 83 82 70 73 89
30 98   123 212 153 95 79 85 79 70 72 90
31 97   130   172   80 86   72   90