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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 20.63 feet above NGVD29
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00060, Discharge, cubic feet per second,
Day of
month
Mean of daily mean values for each day for 87 - 88 years of record in, ft3/s   (Calculation Period 1929-10-01 -> 2018-09-30)

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
1 198 238 326 562 306 177 93 65 34 59 105 179
2 198 228 326 586 294 180 91 59 33 57 105 182
3 196 226 331 592 285 185 89 54 31 55 106 184
4 194 230 337 584 278 188 86 52 31 55 107 184
5 195 232 349 576 272 190 84 49 30 55 110 182
6 191 233 366 572 268 192 81 46 29 56 113 181
7 191 231 383 564 260 198 77 43 29 62 116 186
8 192 227 394 544 253 208 74 41 29 72 118 196
9 192 221 405 514 248 208 70 39 29 76 119 204
10 195 217 412 482 250 203 68 40 29 74 121 214
11 202 215 414 460 254 194 65 40 30 72 128 216
12 207 211 420 446 257 186 63 41 30 70 135 215
13 208 209 424 436 258 178 61 41 34 68 140 216
14 205 212 436 429 265 175 60 41 37 65 142 215
15 204 213 459 419 278 175 57 40 39 65 147 214
16 203 219 481 416 282 172 55 40 39 68 151 210
17 199 227 492 411 279 165 53 39 40 70 155 208
18 193 234 503 407 272 158 50 39 43 73 156 208
19 190 245 515 404 263 148 48 40 45 76 156 205
20 186 252 521 395 253 140 46 40 50 80 155 202
21 185 254 519 381 243 132 45 41 56 94 154 203
22 187 256 528 368 234 125 46 40 59 110 153 200
23 193 257 541 365 225 119 49 39 59 120 153 198
24 203 261 548 357 217 114 57 38 59 121 155 198
25 217 276 538 351 209 111 65 37 58 118 157 198
26 235 298 526 345 210 109 68 36 57 115 162 198
27 252 316 514 338 211 107 67 35 57 112 166 204
28 266 326 509 330 206 104 66 34 57 109 170 207
29 265 328 515 324 199 100 63 33 59 108 174 210
30 261   526 316 189 97 62 33 60 107 176 207
31 250   542   181   62 34   106   202