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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 -> 2023-09-30)

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
1 203 240 325 545 316 174 93 68 35 59 117 188
2 204 229 324 568 307 177 92 61 36 58 117 190
3 202 226 329 574 300 181 90 57 36 56 118 192
4 200 230 334 567 292 184 88 54 37 56 118 192
5 201 232 346 561 285 185 86 51 37 56 119 189
6 197 233 362 557 279 186 84 48 36 58 122 188
7 196 231 377 548 270 192 82 45 35 63 123 192
8 196 228 388 528 260 202 78 43 34 74 125 201
9 196 223 398 499 253 201 76 40 33 77 125 208
10 198 220 404 469 253 196 76 40 33 75 127 217
11 204 218 406 448 255 188 74 41 33 73 132 218
12 208 215 412 434 256 180 74 42 33 70 139 216
13 208 213 415 424 256 173 73 42 37 68 145 217
14 205 215 428 418 262 169 72 42 40 66 147 217
15 203 216 453 408 273 169 69 41 41 66 153 218
16 203 222 479 405 277 166 66 41 41 68 159 214
17 199 230 490 402 273 160 64 41 42 71 163 212
18 194 237 501 402 266 154 61 40 45 74 164 213
19 192 248 510 402 257 144 59 41 47 76 163 210
20 189 255 513 393 246 137 56 42 52 81 162 207
21 188 256 509 378 238 130 55 42 58 93 161 206
22 189 258 516 365 229 123 54 42 61 109 159 203
23 195 259 527 362 221 117 56 42 61 118 160 201
24 204 263 534 354 213 112 63 41 60 119 160 200
25 218 276 525 349 205 109 69 40 59 116 163 201
26 238 297 513 343 205 107 71 39 58 113 167 203
27 257 315 502 338 205 105 70 38 58 111 173 209
28 271 324 496 332 200 102 68 37 58 111 179 213
29 270 328 502 328 193 99 66 36 59 111 184 215
30 265   511 322 184 96 65 35 60 112 186 212
31 253   526   176   65 35   114   207