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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 01104200 CHARLES RIVER AT WELLESLEY, MA


Norfolk County, Massachusetts
Hydrologic Unit Code 01090001
Latitude  42°18'59", Longitude  71°13'42" NAD27
Drainage area 211  square miles
Contributing drainage area 211  square miles
Gage datum 67.12 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 1958-10-01 -> 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
1 357 396 459 641 441 276 167 115 87 134 212 304
2 352 392 474 656 427 274 162 108 84 133 215 304
3 344 394 476 658 417 273 159 99 80 129 218 305
4 348 398 473 667 407 274 157 96 78 131 218 303
5 350 391 473 675 396 277 149 92 75 126 217 306
6 344 384 474 677 389 288 143 91 74 128 218 308
7 348 389 482 665 375 304 140 91 77 131 214 310
8 348 387 482 645 360 310 133 99 75 130 213 315
9 342 378 485 629 351 303 126 101 77 138 222 320
10 337 362 488 612 351 293 124 109 74 134 224 326
11 330 358 490 592 354 292 119 110 76 134 230 330
12 330 352 496 573 350 286 116 121 81 133 233 346
13 338 357 505 561 346 289 114 128 84 135 238 347
14 343 363 524 546 350 294 113 128 85 142 243 352
15 343 364 544 528 351 280 108 125 87 155 250 364
16 340 374 549 529 349 270 105 121 86 157 256 366
17 332 373 560 530 345 270 103 118 86 164 266 371
18 330 377 576 515 339 264 103 118 90 163 267 378
19 330 385 582 512 335 252 102 113 92 169 263 375
20 330 389 585 507 333 241 98 109 96 180 259 369
21 331 396 588 495 327 229 96 107 105 195 265 366
22 331 403 606 484 316 215 95 104 113 189 266 366
23 332 401 616 481 303 209 96 97 116 192 266 357
24 348 410 615 478 297 202 106 92 114 193 268 356
25 367 429 614 471 295 192 111 90 115 193 277 352
26 386 441 609 466 294 185 114 84 123 194 283 355
27 397 442 616 465 289 176 116 82 125 197 288 364
28 406 449 610 462 282 172 116 84 126 202 293 367
29 404 463 611 460 279 168 115 81 133 203 298 364
30 402   616 453 275 166 115 84 133 208 304 363
31 398   623   273   111 85   208   359