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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 01102000 IPSWICH RIVER NEAR IPSWICH, MA


Essex County, Massachusetts
Hydrologic Unit Code 01090001
Latitude  42°39'35", Longitude  70°53'39" NAD27
Drainage area 125  square miles
Contributing drainage area 125  square miles
Gage datum 19.83 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 1929-10-01 -> 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
1 205 243 323 549 315 174 93 67 39 61 116 187
2 206 233 322 570 306 177 91 61 39 59 117 189
3 203 229 328 575 299 181 89 56 39 57 117 193
4 202 232 333 570 291 184 88 54 40 57 117 192
5 202 234 345 566 284 185 86 51 40 57 119 190
6 198 235 361 563 278 186 84 47 38 59 121 189
7 197 232 377 555 269 191 81 44 37 64 123 193
8 197 229 389 534 260 201 78 43 35 74 124 202
9 197 224 399 504 253 200 75 42 34 77 124 208
10 201 221 407 473 252 195 75 42 34 75 125 217
11 211 219 411 451 255 187 74 43 34 73 131 219
12 219 216 417 437 256 178 74 45 35 70 138 218
13 222 214 419 428 255 172 73 45 38 68 143 221
14 220 216 431 421 261 168 71 45 41 66 146 222
15 218 217 455 411 272 168 68 45 42 66 151 222
16 216 222 479 407 275 165 66 44 43 68 156 218
17 210 230 490 404 272 159 63 44 44 71 161 216
18 203 237 500 403 264 153 60 43 47 73 161 217
19 199 248 509 403 256 143 58 44 50 76 161 216
20 194 255 511 394 245 136 56 45 55 80 160 215
21 192 256 507 379 236 129 54 46 61 93 159 215
22 192 257 514 365 228 123 54 46 64 108 158 211
23 198 258 525 362 220 117 56 45 65 117 159 208
24 206 262 533 354 212 112 62 44 64 118 160 206
25 220 275 525 348 204 109 69 44 62 116 163 206
26 240 296 515 342 204 107 71 43 61 113 167 207
27 260 313 503 337 204 105 69 42 61 111 173 213
28 275 322 497 331 199 101 67 41 61 111 179 216
29 274 322 505 327 192 99 65 39 62 111 184 218
30 269   516 321 183 95 64 39 62 111 185 215
31 257   532   176   64 39   113   209