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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 01100627 SHAWSHEEN RIVER AT BALMORAL STREET AT ANDOVER, MA


Essex County, Massachusetts
Hydrologic Unit Code 01070006
Latitude  42°40'17", Longitude  71°08'59" NAD27
Drainage area 72.8  square miles
Gage datum 34.20 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 2006-10-01 -> 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
1 160 131 224 352 203 96 91 63 60 74 144 137
2 159 128 220 315 202 98 97 60 71 71 131 135
3 150 124 214 277 188 96 93 59 77 70 116 145
4 150 128 221 267 170 96 108 54 83 73 103 152
5 149 128 219 278 160 95 112 49 68 66 101 146
6 142 138 211 287 156 98 98 46 60 67 98 142
7 136 146 226 278 154 97 84 45 71 74 90 143
8 133 158 245 262 145 101 72 78 77 65 88 147
9 131 154 263 235 136 99 78 97 87 57 90 163
10 155 152 265 215 136 100 85 115 82 52 96 188
11 188 143 243 200 133 97 91 102 77 50 95 205
12 204 141 238 192 125 101 99 85 85 54 98 232
13 201 148 239 187 114 101 93 72 90 55 106 264
14 192 151 272 184 105 110 90 60 77 65 116 258
15 191 153 344 181 97 107 88 56 68 76 128 211
16 178 149 407 204 102 104 76 56 59 72 142 184
17 166 143 368 247 114 94 63 54 50 78 149 169
18 157 150 294 275 120 83 60 75 57 74 139 170
19 160 163 244 257 128 81 63 87 71 74 132 186
20 159 174 226 210 126 78 61 85 87 77 123 194
21 140 162 215 194 126 79 60 77 84 76 114 160
22 130 149 206 181 119 79 58 76 68 79 115 136
23 132 146 208 194 110 84 65 64 56 91 122 148
24 135 160 217 202 97 83 90 58 50 87 129 161
25 148 191 231 200 89 85 101 60 46 86 144 186
26 190 218 221 180 86 82 123 62 50 88 152 189
27 219 235 211 172 85 78 112 61 59 89 158 199
28 208 227 207 173 86 80 89 64 67 108 161 192
29 180 187 220 183 86 80 77 63 80 116 157 180
30 158   261 188 89 83 74 66 82 131 143 177
31 142   318   96   69 67   144   168