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USGS Daily Statistics for Massachusetts

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ICE EFFECTS ON STREAMFLOW

The formation of ice on rivers can cause discharge values to appear unusually high. Display of these erroneous discharge data may result in improper assessment of flow conditions and misuse of the data. For this reason, display of discharge values for streams significantly affected by ice may be disabled from view. Display of discharge data will resume when ice conditions are no longer present. Discharge values for streams minimally affected by ice will continue to be displayed. Flows for streams with these conditions appear to increase during the night and decrease to near-base-line conditions around midday. To estimate the correct discharge for these streams, use the flow rate that corresponds to the bottom of the discharge curve, rather than the peak that corresponds to the top of the curve. Note that this method of estimation is possible only when no surface runoff is occurring. Daily mean discharges for periods of both significant and minimal ice-effect will be estimated and published in the Annual Water-Data Report for the water year in which they occurred.


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 011055566 NEPONSET RIVER AT MILTON VILLAGE, MA


Norfolk County, Massachusetts
Hydrologic Unit Code 01090001
Latitude  42°16'15", Longitude  71°04'08" NAD27
Drainage area 101  square miles
Gage datum -0.7 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 1996-10-01 -> 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
1 385 351 450 692 408 268 221 104 95 153 259 303
2 372 350 465 719 397 269 230 99 119 150 245 303
3 359 354 484 713 385 269 225 91 114 141 233 303
4 378 352 479 723 378 262 219 84 101 143 219 292
5 382 366 468 718 366 252 213 88 92 138 206 277
6 379 374 466 698 354 262 206 86 97 132 198 268
7 369 375 473 673 345 297 196 81 105 124 190 276
8 356 373 475 648 338 314 178 109 105 114 183 303
9 343 371 475 617 335 304 179 125 105 126 186 306
10 360 362 487 580 344 289 185 135 102 123 192 323
11 364 357 487 545 333 282 176 124 111 122 192 361
12 370 345 490 529 313 286 167 113 117 121 190 409
13 399 349 497 525 312 294 156 103 111 120 198 414
14 406 362 533 519 339 318 149 99 106 131 205 425
15 413 373 588 497 337 324 138 117 102 178 208 442
16 422 377 596 513 339 319 134 120 118 192 215 432
17 421 385 599 514 339 329 135 112 118 209 235 440
18 412 396 579 505 330 344 142 109 128 203 240 469
19 413 396 562 504 341 336 135 108 142 201 230 459
20 400 384 542 485 338 310 123 103 140 197 223 444
21 381 372 528 470 325 292 110 100 124 181 220 434
22 360 359 543 470 308 283 115 110 113 168 227 420
23 346 362 548 492 304 278 133 109 114 176 241 417
24 366 395 556 491 297 255 166 105 105 166 250 439
25 390 418 548 472 309 237 162 104 93 174 260 448
26 409 431 530 480 309 231 150 99 96 184 274 441
27 405 436 522 481 297 222 140 94 101 198 298 434
28 398 440 519 464 286 222 128 100 110 213 299 419
29 387 391 546 449 291 217 123 107 133 235 299 406
30 373   601 419 289 212 113 103 145 259 293 412
31 361   639   272   107 95   261   398