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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 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 -> 2021-09-30)

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
1 154 115 239 374 201 96 91 53 51 70 131 145
2 155 115 232 333 191 98 99 54 39 66 113 144
3 145 110 219 290 175 98 92 55 32 65 106 156
4 146 107 223 272 161 97 106 51 28 68 99 155
5 145 107 215 274 155 96 108 45 26 58 101 149
6 136 113 208 274 153 100 73 40 29 54 101 143
7 128 127 219 277 154 102 64 38 54 56 92 141
8 126 142 236 268 146 108 60 42 65 51 92 149
9 126 140 251 239 137 101 59 45 80 47 94 169
10 128 134 257 216 138 101 64 56 76 43 102 201
11 134 126 234 200 135 97 60 55 69 42 103 203
12 146 127 229 189 129 103 59 57 67 49 100 225
13 159 137 238 184 116 106 56 51 64 53 103 251
14 163 142 268 179 107 118 55 45 51 62 109 264
15 164 149 341 180 99 115 61 44 48 75 121 218
16 162 147 400 213 104 112 55 46 41 69 145 187
17 147 138 368 265 117 99 45 43 35 77 159 165
18 141 141 296 300 125 84 42 45 39 72 148 144
19 139 154 244 272 136 81 42 41 38 71 141 126
20 138 169 228 214 132 76 41 34 38 76 134 116
21 124 158 219 191 127 78 40 30 36 75 122 108
22 115 146 211 181 117 81 40 36 34 79 111 109
23 114 142 210 198 102 89 53 35 30 95 114 121
24 120 157 213 208 92 88 89 34 30 90 122 138
25 130 193 213 206 87 91 108 35 29 89 141 160
26 166 230 203 182 87 87 139 34 35 86 158 170
27 194 253 200 175 87 79 127 34 47 81 170 190
28 174 244 198 179 87 82 98 43 58 93 175 187
29 152 197 208 192 88 81 74 49 77 104 168 174
30 137   246 194 89 83 61 56 80 128 152 173
31 123   323   96   57 59   135   162